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EASYCHARTS DOCUMENTATION   :   LINECHART

1. Loading Data
  1.1 sample values
  1.2 sample count
  1.3 empty values
  1.4 multiple data series
  1.5 dynamically loading data
  1.6 loading data from a url

2. Setting the Range
  2.1 automatic range setting
  2.2 setting explisit range
  2.3 using range step
  2.4 range position and color
  2.5 range value labels
  2.6 range axis label
  2.7 range adjuster
  2.8 double range axis
  2.9 double range adjusters

3. Labels and Fonts
  3.1 chart title
  3.2 sample labels
  3.3 series labels
  3.4 legend labels
  3.5 sample axis label
  3.6 value labels

4. Chart Colors
  4.1 sample colors
  4.2 background color
  4.3 chart background color
  4.4 foreground color
  4.5 chart foreground color

5. Chart Style
  5.1 3D mode
  5.2 sample scroller
  5.3 horizontal grid lines
  5.4 default vertical grid lines
  5.5 vertical grid lines
  5.6 stacked lines
  5.7 line width
  5.8 sample highlights
  5.9 connect empty values

6. Miscellaneous
  6.1 target value lines
  6.2 urls and drilldown
  6.3 graph insets

CHART PARAMETERS
3DDepth
3DModeOn
antialias
autoLabelSpacingOn
automaticRefreshTime
background
chartBackground
chartClass
chartForeground
chartTitle
connectedLinesOn
data
dataInterval
defaultGridLinesColor
defaultGridLinesOn
doubleBufferingOff
floatingLabelFont
floatingOnLegendOff
font
foreground
graphInsets
gridAdjustmentOn
gridLineColors
gridLinesColor
gridLines
legendColors
labelDelimiter
legendFont
legendImage
legendLabels
legendOn
legendPosition
lineWidth
lowerRange
maxValueLineCount
printAsBitmap
range
rangeAdjusted
rangeAdjusterOn
rangeAdjusterPosition
rangeAxisLabel
rangeAxisLabelAngle
rangeAxisLabelFont
rangeColor
rangeDecimalCount
rangeLabelFont
rangeLabelPrefix
rangeLabelPostfix
rangeLabelsOff
rangeOn
rangePosition
rangeStep
sampleAxisLabel
sampleAxisLabelFont
sampleAxisRange
sampleColors
sampleCount
sampleDecimalCount
sampleHighlightOn
sampleHighlightSize
sampleHighlightStyle
sampleLabelAngle
sampleLabelColors
sampleLabelFont
sampleLabels
sampleLabelsOn
sampleLabelStyle
sampleScrollerOn
sampleValues
seriesCount
seriesLabelColors
seriesLabels
seriesLabelsOn
seriesLabelStyle
seriesLineOff
seriesRange
singleClickURLOn
stackedOn
thousandsDelimeter
targetValueLine
titleFont
valueLabelAngle
valueLabelFont
valueLabelPrefix
valueLabelPostfix
valueLabelsOn
valueLabelStyle
valueLinesColor
valueLinesOn
visibleSamples
url
urltarget

PARAMETERS TO SET CHART VALUES
sampleValues
Sets the sample values for the first data series. If the sampleCount is not set the number of samples in the chart will be the number of values set. <param name="sampleValues" value="10.5, 30.5, 20, 5.1234">
setSampleValues(0, new double[] {10.5,30.5,20,5.1234});
sampleValues=10.5,30.5,20,5.1234
sampleCount
Sets the number of sample points in the chart. This will override the number of values set with the sampleValues parameter. <param name="sampleCount" value=5>
setSampleCount(5);
sampleCount=5
seriesCount
Sets the number of data series/lines in the chart. If the number of data series is larger than 1 you can set the values per data series with the sampleValues_N parameter. <param name="seriesCount" value=3>
setSeriesCount(3);
seriesCount=3
sampleValues_N
Sets the sample values for the specified data series. You must set the series count first. <param name="sampleValues_0" value="200,100,300,250,400">
<param name="sampleValues_1" value="300,150,200,150,300">
setSampleValues(0, new double[] {200,100,300,250,400});
setSampleValues(1, new double[] {300,150,200,150,300});
sampleValues_0=200,100,300,250,400
sampleValues_1=200,100,300,250,400

PARAMETERS TO SET THE RANGE AXIS
range
Sets the upper value of the range axis (y-axis). If this is not set, the upper range will be automatically set to the largest sample. If you want to use 2 y-axis, turn on the second y-axis using rangeOn_2. Then use range_2 to set the second y-axis' upper range. In java applications the upper range is set to 100 by default. <param name="range" value=200>
<param name="range_2" value=5000>
setRange(0, 200);
setRange(1, 5000);
range=200
range_2=5000
lowerRange
Sets the lower value of the range axis (y-axis). If this is not set, the lower range will be automatically set to the smallest sample (or 0 if no samples are negative). If you want to use 2 y-axis, turn on the second y-axis using rangeOn_2. Then use lowerRange_2 to set the second y-axis' lower range. In java applications the lower range is set to 0 by default. <param name="lowerRange" value=-200>
<param name="lowerRange_2" value=-5000>
setLowerRange(0, -200);
setLowerRange(1, -5000);
lowerRange=-200
lowerRange_2=-5000
rangeStep
If the range is not set directly it will default to the largest value of the chart (or 0) for the applet or servlet. If rangeStep is set, the range will be set to the next value divisible by the step. This parameter works for the lower range as well. If the maximum value of the chart is 325, and the step is set to 100, the range will automatically be set to 400. <param name="rangeStep" value=100>
<param name="rangeStep_2" value=500>
setRelativeRange(0, 100);
setRelativeRange(1, 500);
setLowerRelativeRange(0,100);
rangeStep=100
rangeStep_2=500
rangeOn
Turns on the specified range. Use the seriesRange_N parameter to associate a data series with a specific range.
<param name="rangeOn_2" value=true>
setRangeOn(0, false);
setRangeOn(1, true);
rangeOn_2=true
seriesRange_N
A chart can have 1 or 2 ranges, and each data series can be associated with either one of them. This parameter controls which range a specified series is associated with. <param name="seriesRange_0" value=2>
<param name="seriesRange_1" value=1>
setSeriesRange(0, 2);
setSeriesRange(1, 1);
seriesRange_0=2
seriesRange_1=1
rangePosition
Sets the position of the ranges. The default position for the first range is to the left, the second range is to the right. <param name="rangePosition" value=right>
<param name="rangePosition_2" value=left>
setRangePosition(0,1); // 1 is right
setRangePosition(1,0); // 0 is left
rangePosition=right
rangePosition_2=left
rangeColor
Sets the color of the range value labels and tick marks. <param name="rangeColor" value=red>
<param name="rangeColor_2" value=blue>
setRangeColor(0, Color.black);
setRangeColor(1, Color.red);
rangeColor=red
rangeColor_2=blue
rangeAdjusterOn
Turns on the range adjusters. The range adjuster allows the user to adjust the upper and lower ranges at runtime. Both range adjusters default to the right side of the chart. Use the rangeAdjusterPosition parameter to control the position of the adjusters. <param name="rangeAdjusterOn" value=true>
<param name="rangeAdjusterOn_2" value=true>
setRangeAdjusterOn(0, true);
setRangeAdjusterOn(1, true);
rangeAdjusterPosition
Sets the position of the range adjusters. Both default to the right side. <param name="rangeAdjusterPosition" value=left>
<param name="rangeAdjusterPosition_2" value=right>
setRangeAdjusterPosition(0, 0); // 0 is left
setRangeAdjusterPosition(1, 1); // 1 is right
rangeAdjusted
Controls which range(s) are adjusted with which adjuster. By default adjuster 1 controls range 1 and adjuster 2 controls range 2. <param name="rangeAdjusted_1" value=1>
<param name="rangeAdjusted_2" value=2>
<param name="rangeAdjusted_1" value=both>
setRangeAdjusted(0, 0); // first parameter is adjuster
setRangeAdjusted(0, 1); // second parameter is range
setRangeAdjusted(0, 2); // 0=range 0, 1=range 1, 2 = both
rangeAxisLabel
Adds a label to the range axis. The label is horizontal by default, but the angle can be controlled using the rangeAxisLabelAngle parameter. <param name="rangeAxisLabel" value="first range">
<param name="rangeAxisLabel_2" value="second range">
setLabel("rangeAxisLabel", "first range");
setLabel("rangeAxisLabel_2", "second range");
rangeAxisLabel=first range
rangeAxisLabel_2=second range
rangeAxisLabelAngle
Sets the clockwise angle of the range axis labels. <param name="rangeAxisLabelAngle" value="270">
<param name="rangeAxisLabelAngle_2" value="90">
setLabelAngle("rangeAxisLabelAngle", 270);
setLabelAngle("rangeAxisLabelAngle_2", 90);
rangeAxisLabelAngle=270
rangeAxisLabelAngle_2=90
rangeAxisLabelFont
Sets the font used for the rangeAxisLabels. <param name="rangeAxisLabelFont" value="Dialog, plain, 12"
setFont("rangeAxisLabelFont", new Font("Dialog", Font.PLAIN, 12));
rangeAxisLabelFont=Dialog, plain, 12
rangeLabelsOff
Turns off the range labels for the specified range. <param name="rangeLabelsOff" value=true>
<param name="rangeLabelsOff_2" value=true>
setRangeLabelsOn(0, false);
setRangeLabelsOn(1, false);
rangeLabelsOff=true
rangeLabelsOff_2=true
rangeDecimalCount
Sets the number of fixed decimals to use for the range labels. <param name="rangeDecimalCount" value=3>
<param name="rangeDecimalCount_2" value=1>
setRangeDecimalCount(0, 2); // first parameter is range
setRangeDecimalCount(0, 3); // second parameter is decimal count
rangeDecimalCount=3
rangeDecimalCount_2=1
rangeLabelFont
Sets the font for the range labels. <param name="rangeLabelFont" value="Dialog, plain, 12">
setFont("rangeLabelFont", new Font("Dialog", Font.PLAIN, 12));
rangeLabelFont=Dialog, plain, 12
rangeLabelPrefix
Adds a prefix before the range labels. <param name="rangeLabelPrefix" value="$">
<param name="rangeLabelPrefix_2" value="#">
setLabel("rangeLabelPrefix", "$");
setLabel("rangeLabelPrefix_2", "#");
rangeLabelPrefix=$
rangeLabelPrefix_2=#
rangeLabelPostfix
Adds a postfix after the range labels.
<param name="rangeLabelPostfix" value="&">
<param name="rangeLabelPostfix_2" value="%">
setLabel("rangeLabelPostfix", "&");
setLabel("rangeLabelPostfix_2", "%");
rangeLabelPostfix=&
rangeLabelPostfix_2=%

PARAMETERS TO SET LABELS
chartTitle
Sets the title of the chart. The title will be displayed at the top of the chart. To set the title font use the titleFont parameter. Use \n for line breaks. <param name="chartTitle" value="This is my title">
<param name="chartTitle" value="Linebreak\nin title">
setTitle("This is my title");
setTitle("Linebreak\\nin title");
chartTitle=This is my title
titleFont
Sets the font used for the chart title. <param name="titleFont" value="Dialog, bold, 20"
setFont("titleFont", new Font("Dialog", Font.BOLD, 20));
titleFont=Dialog, bold, 20
sampleLabels
Sets the sample labels for this chart. The sample labels will appear below the chart grid at the sample points when the sampleLabelsOn parameter is turned on. <param name="sampleLabels" value="one,two,three">
setSampleLabels(new String[] {"one","two","three"});
sampleLabels=one,two,three
sampleLabelsOn
Turns on the sample labels set by the sampleLabels parameter. <param name="sampleLabelsOn" value=true>
setSampleLabelsOn(true);
sampleLabelsOn=true
sampleLabelFont
Sets the font used for the sample labels. <param name="sampleLabelFont" value="Dialog, plain, 12">
setFont("sampleLabelFont", new Font("Dialog", Font.PLAIN, 12));
sampleLabelFont=Dialog,plain,12
sampleLabelAngle
Sets the clockwise angle of the sample labels. <param name="sampleLabelAngle" value="270">
setLabelAngle("sampleLabelAngle", 270);
sampleLabelAngle=270
sampleLabelStyle
Controls how the sample labels are displayed. The sample labels can either be displayed below the chart grid, around outside the sample point on the chart grid, floating above a sample point when the mouse moves over it, or both below and floating. <param name="sampleLabelStyle" value="below">
<param name="sampleLabelStyle" value="outside">
<param name="sampleLabelStyle" value="floating">
<param name="sampleLabelStyle" value="below_and_floating">
setSampleLabelStyle(Chart.BELOW);
setSampleLabelStyle(Chart.OUTSIDE);
setSampleLabelStyle(Chart.FLOATING);
setSampleLabelStyle(Chart.BELOW_AND_FLOATING);
sampleLabelStyle=below
sampleLabelStyle=outside
autoLabelSpacingOn
By default all the sample labels are painted, even if there is not enough space for them all (they will overlap). If this parameter is set only labels there are room for will be painted. <param name="autoLabelSpacingOn" value=true>
setAutoLabelSpacingOn(true);
autoLabelSpacingOn=true
sampleLabelColors
Sets the colors of the sample labels. <param name="sampleLabelColors" value="red, #c0c0c0, blue">
setSampleLabelColor(0, Color.red);
setSampleLabelColor(1, new Color(0xc0c0c0));
setSampleLabelColor(2, Color.blue);
sampleLabelColors=red,%23c0c0c0,blue
seriesLabels
Sets the series labels for this chart. The series labels are displayed in the legend, one for each data series. <param name="seriesLabels" value="2000, 2001, 2002">
setSeriesLabels(new String[] {"2000","2001","2002"});
setSeriesLabel(0, "another label");
seriesLabels=2000,2001,2002
seriesLabelColors
Sets the colors of the series labels in the legend. <param name="seriesLabelColors" value="red, #7f0000, blue">
setSeriesLabelColor(0, Color.red);
setSeriesLabelColor(1, new Color(0x7f0000));
setSeriesLabelColor(2, Color.blue);
seriesLabelColors=red,%237f0000,blue
seriesLabelsOn
Turns on floating series labels. The series labels will be displayed below a sample point in a line when the mouse moves over it. <param name="seriesLabelsOn" value="true">
setSeriesLabelsOn(true);
seriesLabelStyle
Controls how the series labels are displayed. The series labels can either be displayed around outside the sample point on the chart grid or floating above a sample point when the mouse moves over it. <param name="seriesLabelStyle" value="outside">
<param name="seriesLabelStyle" value="floating">
setSeriesLabelStyle(LineChart.OUTSIDE);
setSeriesLabelStyle(LineChart.FLOATING);
seriesLabelStyle=outside
seriesLabelStyle=floating
legendOn
Turns on the legend that displays the series labels. The position of the legend can be set using the legendPosition parameter. <param name="legendOn" value=true>
setLegendOn(true);
legendOn=true
legendPosition
Sets the legend position. Possible positions are right, left, top, or bottom. The default position is to the right. <param name="legendPosition" value="right">
<param name="legendPosition" value="left">
<param name="legendPosition" value="top">
<param name="legendPosition" value="bottom">
setLegendPosition(LineChart.RIGHT);
setLegendPosition(LineChart.LEFT);
setLegendPosition(LineChart.TOP);
setLegendPosition(LineChart.BOTTOM);
legendPosition=left
legendLabels
Overrides the default labels in the legend which are taken from the seriesLabels parameter. <param name="legendLabels" value="2000, 2001, 2002">
setLegendLabels(new String[] {"2000","2001","2002"});
legendLabels=2000,2001,2002
legendColors
Sets the colors for the legend boxes. If this is not set, the colors are taken from the sampleColors parameter. <param name="legendColors" value="red, #7f0000">
setLegendColors(new Color[] {Color.red, new Color(0x7f0000));
setLegendColor(1, Color.blue);
legendColors=red,%237f0000
legendFont
Sets the font used for the legend labels. <param name="legendFont" value="Dialog, plain, 12">
setFont("legendFont", new Font("Dialog", Font.PLAIN, 12));
legendFont=Dialog,plain,12
legendImage
Sets an image to be used in front of the legend label instead of the default legend box. For the applet the image is specified as a relative URL. This only works if the applet is allowed to connect back to the web server. <param name="legendImage_0" value="blue_ball.gif">
<param name="legendImage_1" value="images/red_ball.gif">
Image image = ... load image blue_ball.gif from disk
addImage("legendImage_0", image);
setLegendImage(0, "legendImage_0");
sampleAxisLabel
Adds a label below the sample (X) axis. <param name="sampleAxisLabel" value="sample axis">
setLabel("sampleAxisLabel", "sample axis");
sampleAxisLabel=sample axis
sampleAxisLabelFont
Sets the font used for the sampleAxisLabel. <param name="sampleAxisLabelFont" value="Dialog, plain, 12">
setFont("sampleAxisLabelFont", new Font("Dialog", Font.PLAIN, 12));
sampleAxisLabelFont=Dialog,plain,12
valueLabelsOn
Turns on the value labels for the sample points in a line. Use valueLabelsOn_N to control the value labels per data series. <param name="valueLabelsOn" value=true>
<param name="valueLabelsOn_2" value=false>
setValueLabelsOn(true);
setValueLabelsOn(1, false);
valueLabelsOn=true
valueLabelStyle
Sets the display style of the value labels. The value labels can be painted directly above or below the sample point, directly on top of the sample point, or floating above the sample point when the mouse hovers over it. <param name="valueLabelStyle" value="outside">
<param name="valueLabelStyle" value="inside">
<param name="valueLabelStyle" value="floating">
setValueLabelStyle(Chart.OUTSIDE);
setValueLabelStyle(Chart.INSIDE);
setValueLabelStyle(Chart.FLOATING);
valueLabelStyle=outside
valueLabelStyle=inside
sampleDecimalCount
Sets the number of fixed decimals to use for the value labels. Use sampleDecimalCount_N to control the decimals per data series. <param name="sampleDecimalCount" value=3>
<param name="sampleDecimalCount_2" value=0>
setSampleDecimalCount(-1, 3); // -1 specifies all series
setSampleDecimalCount(0, 2);  // serie 0, 2 decimals
sampleDecimalCount=3
sampleDecimalCount_2=0
floatingOnLegendOff
By default floating labels are displayed for all the samples in the selected series when the mouse moves over a series label in the legend. This parameter turns this behavior off. <param name="floatingOnLegendOff" value="true">
setFloatingOnLegendOn(false);
valueLabelFont
Sets the font used for the value labels. <param name="valueLabelFont" value="Dialog, plain, 12">
setFont("valueLabelFont", new Font("Dialog", Font.PLAIN, 12));
valueLabelFont=Dialog,plain,12
valueLabelPrefix
Adds a prefix before all value labels. You can also set the prefix for individual data series by adding the series index. <param name="valueLabelPrefix" value="$">
<param name="valueLabelPrefix_2" value="£">
setLabel("valueLabelPrefix", "$");
valueLabelPrefix=$
valueLabelPostfix
Adds a postfix after all value labels. You can also set the postfix for individual data series by adding the series index. <param name="valueLabelPostfix" value="%">
<param name="valueLabelPostfix_0" value="ms">
setLabel("valueLabelPostfix", "%");
setLabel("valueLabelPostfix_1", "ms");
valueLabelPostfix=KB
valueLabelAngle
Sets the clockwise angle of the value labels.
<param name="valueLabelAngle" value="270">
setLabelAngle("valueLabelAngle", 270);
valueLabelAngle=270
font
Sets the default font used in the chart. <param name="font" value="Dialog, plain, 12">
setFont(new Font("Dialog", Font.PLAIN, 12));
font=Dialog,plain,12
floatingLabelFont
Sets the font used for the floating value and sample labels. <param name="floatingLabelFont" value="Dialog, plain, 12">
setFont("floatingLabelFont", new Font("Dialog, Font.Plain, 12));
floatingLabelFont=Dialog,plain,12
labelDelimiter
By default the sampleLabels, seriesLabel, targetValueLine, and legendLabels parameters use comma (,) as a field delimiter. Use this parameter to control the label delimiter if you need a comma in the labels to be displayed in the applet or servlet. <param name="labelDelimiter" value=":">
labelDelimiter=:
thousandsDelimeter
Use this parameter to control the thousands delimiter in numerical labels. <param name="thousandsDelimiter" value=",">
setThousandsDelimiter(",");
thousandsDelimiter=,

PARAMETERS TO CONTROL COLORS
sampleColors
Sets the colors of the lines in the chart. <param name="sampleColors" value="red, #c0ff7f, blue">
Color[] c = new Color[] {Color.red, new Color(0xc0ff7f)};
setSampleColors(c);
sampleColors=red,%23c0ff7f,blue
background
This is the background color of the area around the chart grid. <param name="background" value="red">
setBackground(Color.red);
background=red
foreground
This is the color of the title, legend labels, value labels, sample labels, and the range labels. <param name="foreground" value="blue">
setForeground(Color.blue);
foreground=blue
chartBackground
This is the color of the chart grid background. <param name="chartBackground" value="red">
setChartBackground(Color.yellow);
chartBackground=orange
chartForeground
This is the color of the chart grid outline. <param name="chartForeground" value="red">
setChartForeground(Color.red);
chartForeground=red

PARAMETERS TO CONTROL CHART STYLE
3DModeOn
Paints the chart in 3D (2.5D) mode with 3D lines and 3D chart grid. <param name="3DModeOn" value=true>
set3DModeOn(true);
3DModeOn=true
3DDepth
Sets the depth of the 3D effect in pixels. By default the 3D depth is a function of the number of samples in the chart and its size and as an effect of this it will vary with changing the size of the chart. <param name="3DDepth" value=10>
set3DDepth(10);
3DDepth=10
sampleScrolleOn
Use this parameter to turn on the sample scroller. The sample scroller is used by the user to zoom into the samples of the chart and scroll them left and right. <param name="sampleScrollerOn" value=true>
setSampleScrollerOn(true);
visibleSamples
Displays a subset of the samples in the chart. The first argument is the index of the starting sample, the second argument is the number of samples to be displayed. <param name="visibleSamples" value="10,25">
setVisibleSamples(10,25);
visibleSamples=10,25
lineWidth
Sets the width of each series line. You set the width of each series by using a commaseparated list of values. If you have more than one series, you can set the width of all the series by using 1 value. Default width is 2. <param name="lineWidth" value="1">
<param name="lineWidth" value="1,5,2,3,1">
setLineWidth(1); // all series has width 1
setLineWidth(0,5); // first series has line width 5
lineWidth=1
lineWidth=1,5,2,3,1
stackedOn
Paints filled and stacked lines (area chart). <param name="stackedOn" value=true>
setStackedOn(true);
stackedOn=true
valueLinesOn
Turns on the horizontal grid lines in the chart background. <param name="valueLinesOn" value=true>
setValueLinesOn(true);
valueLinesOn=true
valueLinesColor
Sets the color of the horizontal grid lines. <param name="valueLinesColor" value="red">
<param name="valueLinesColor" value="#c0c0c0">
setValueLinesColor(Color.red);
setValueLinesColor(new Color(0xc0c0c0));
valueLinesColor=red
valueLinesColor=%23c0c0c0
maxValueLineCount
Sets the maximum number of value lines to be displayed in the chart. You can use this to control the step between the grid labels to certain extent. <param name="maxValueLineCount" value=10>
setMaxValueLineCount(10);
maxValueLineCount=10
defaultGridLinesOn
Turns on the vertical grid lines. By default, there is one line per sample point in the line chart. You can control the start position and interval of the lines. The start and interval numbers are relative to the sample axis range which is set to 0 to 100 by default. <param name="defaultGridLinesOn" value="true">
<param name="defaultGridLinesOn" value="true,5,10">
setDefaultGridLinesOn(true);
setDefaultGridLinesOn(true, 5, 10);
defaultGridLinesOn=true
defaultGridLinesOn=true,5,10
defaultGridLinesColor
Sets the color of default grid lines. <param name="defaultGridLinesColor" value="red">
<param name="defaultGridLinesColor" value="#c0c0c0">
setDefaultGridLinesColor(Color.red);
setDefaultGridLinesColor(new Color(0xc0c0c0));
defaultGridLinesColor=red
defaultGridLinesColor=%23c0c0c0
gridLines
Sets the vertical grid lines. Add one value per grid line. The value is relative to the sample axis range (default 0 to 100) and the width of the chart grid. To turn off the grid lines use setGridLines(null). <param name="gridLines" value="10,20,30,40,50,60,70,80,90">
setGridLines(new double[] {10,20,30,40,50,60,70,80,90});
gridLines=10,20,30,40,50,60,70,80,90
gridLinesColor
Sets the color of all except default grid lines. <param name="gridLinesColor" value="red">
<param name="gridLinesColor" value="#c0c0c0">
setGridLinesColor(Color.red);
setGridLinesColor(new Color(0xc0c0c0));
gridLinesColor=red
gridLinesColor=%23c0c0c0
gridLineColors
Sets the color of individual vertical grid lines. <param name="gridLineColors" value="red, green, blue">
setGridLineColors(new Color[] {Color.red,Color.green,Color.blue});
setGridLineColor(0, Color.red);
gridLineColors=red,green,blue
sampleAxisRange
Sets the range of the sample axis. This range is used to calculate where the vertical grid lines is displayed. <param name="sampleAxisRange" value="1,12">
<param name="sampleAxisRange" value="0,1000">
setSampleAxisRange(1,12);
sampleAxisRange=1,365
seriesLineOff
Turns off the series lines for all the series, or only the specified data series. This can be used with the sample highlights to make a plotter chart or a combined line and plotter chart. However all the plots are distributed evenly across the x-axis. <param name="seriesLineOff" value=true>
<param name="seriesLineOff" value="1,3"> (series 1 and 3 off)
setSeriesLineOn(false); // all lines off
setSeriesLineOn(1, true); // series 1 on
seriesLineOff=true
seriesLineOff=1,3
connectedLinesOn
By default, a line with undefined values will have gaps in the line. By using this parameter you can bridge these gaps by painting a line to the next defined value in the series. You can control each data series individually. Undefined values does not work with stacked lines. <param name="connectedLinesOn" value=true>
<param name="connectedLinesOn" value="1,3,4">
setConnectedLinesOn(1, true);
setConnectedLinesOn(3, true);
setConnectedLinesOn(4, true);
connectedLinesOn=true
connectedLinesOn=1,3,4
sampleHighlightOn
Each data series can have the sample points highlighted by either a circle, a square, or a diamond shape. Use this parameter to turn sample highlighting on or off for the data series. The default highlight type is circle and highlighting is turned off by default. <param name="sampleHighlightOn" value="true">
<param name="sampleHighlightOn" value="true, false, false, true">
setSampleHighlightOn(true);
setSampleHighligthOn(0, false);
setSampleHighligthOn(2, false);
sampleHighlightOn=true
sampleHighlightOn=true,false,false,true
sampleHighlightStyle
Use this parameter to set the sample highlight style for each data series. The possible styles are circle, circle_opaque, circle_filled, square, square_opaque, square_filled, diamond, diamond_opaque, or diamond_filled. <param name="sampleHighlightStyle" value="circle, square, diamond">
setSampleHighlightStyle(0, LineChart.SAMPLE_HIGHLIGHT_CIRCLE, 10); // 10 is size
setSampleHighlightStyle(1, LineChart.SAMPLE_HIGHLIGHT_CIRCLE_OPAQUE, 10);
setSampleHighlightStyle(2, LineChart.SAMPLE_HIGHLIGHT_CIRCLE_FILLED, 10);
setSampleHighlightStyle(3, LineChart.SAMPLE_HIGHLIGHT_SQUARE, 10);
setSampleHighlightStyle(4, LineChart.SAMPLE_HIGHLIGHT_SQUARE_OPAQUE, 10);
setSampleHighlightStyle(5, LineChart.SAMPLE_HIGHLIGHT_SQUARE_FILLED, 10);
setSampleHighlightStyle(6, LineChart.SAMPLE_HIGHLIGHT_DIAMOND, 10);
setSampleHighlightStyle(7, LineChart.SAMPLE_HIGHLIGHT_DIAMOND_OPAQUE, 10);
setSampleHighlightStyle(8, LineChart.SAMPLE_HIGHLIGHT_DIAMOND_FILLED, 10);
sampleHighlightStyle=circle, square, diamond
sampleHighlightSize
Use this parameter to set the size of the sample highlighting for each data series. The default size is 6.
<param name="sampleHighlightSize" value="6, 8, 10">
sampleHighlightSize=6,8,10
graphInsets
Use this parameter to add space between the chart grid and the chart component edges. The parameter value consists of 4 parameters whith the following sequence; top, left, bottom, right. A value of -1 uses the default inset. <param name="graphInsets" value="-1, 50, -1, -1">
setGraphInsets(-1,50,-1-1);
graphInsets=-1,50,-1,-1
gridAdjustmentOn
You can adjust the chart grid at runtime by selecting a grid edge and dragging the mouse button. Double-click on the grid edge to set it to the default position. <param name="gridAdjustmentOn" value="top,left,bottom,right">
setGridAdjustment(Chart.TOP, true);
setGridAdjustment(Chart.LEFT, true);
setGridAdjustment(Chart.BOTTOM, true);
setGridAdjustment(Chart.RIGHT, true);

MISCELLANEOUS PARAMETERS
data
Instead of loading the data from the applet or servlet parameters, you can specify a url to load the data from. Any parameters specified in the applet or servlet tag will override parameters with the same name loaded from the url.

If the data parameter has any parameters of its own when used in a servlet, & and = can not be used (can't distinguish from image tag parameters). Use ¤ (parameter separator) and * (equals sign) instead. This can be controlled by the dataParamSeparator and the dataEqualsSign parameters.

<param name=data value=customers.asp>
data=http://somehost/customers.asp
data=http://myhost/myscript.xyz?myparam*value¤anotherparam*value

The data in the url has to be returned in the following format
parameter1=value1
parameter2=value2
parameter3=value3

dataInterval
You can make the applet load the data from the currently specified URL at a specific interval. The interval is specified in seconds. If reset is specified in the data interval, the chart is reset before the parameters are read again. <param name=dataInterval value=10>
<param name=dataInterval value=10,reset>
chart
Use this parameter to set the type of the chart. The supported types are bar, line and pie. The default chart type is bar. <param name="chart" value="line">
chart=line
targetValueLine
You can set grid lines with a specified label and color at any value position in the chart. The first parameter is the label, the second is the value, the third is the color. There is an optional fourth parameter to control whether only the label or the value should be displayed as opposed to both as the default behavior is. <param name="targetValueLine_0" value="break even, 150, green">
<param name="targetValueLine_1" value="bankrupt, 20, red, label">
<param name="targetValueLine_2" value="goal, 250, #0c0aa0, value">
setTargetValueLine("break even", 150, Color.green,
  LineChart.TARGET_LINE_ID_AND_VALUE_LABEL);
setTargetValueLine("bankrupt", 20, Color.red,
  LineChart.TARGET_LINE_ID_LABEL);
setTargetValueLine("goal", 250, new Color(0x0c0aa0),
  LineChart.TARGET_LINE_VALUE_LABEL);
targetValueLine_0=break even, 150, green
url_N_M (applet drilldown)
This feature can be used to create drill-down functionallity for the charts. You can associate any line or sample point in the chart to a URL, and the document pointed to by that URL will be opened when the user double-clicks the legend entry or sample point in the legend. Single-click can be used instead by setting the singleClickURLOn parameter.

The N is the index of the data series (first is numbered 0). The M is the index of the sample within the series (first is numbered 0). If there is only one series in the chart, N will be the index of the sample. However url_0_M will override url_N if M=N.

<param name="url_0" value="orange_sales_2001.html">
<param name="url_1" value="apple_sales_2001.html">
<param name="url_2" value="banana_sales_2001.html">
<param name="url_3" value="http://www.fruitorama.com">
<param name="url_4" value="javascript:winOpen('bar.html', 200,500);">
urltarget_N_M (applet drilldown)
This parameter controls where HTML pages will be opened. urltarget sets the default target frame or window. urltarget_N sets the target for the specified series. urltarget_N_M sets the target for the specified sample. _self: Open new page in same window or frame.
_parent: Open in the parent window.
_top: Open in the top-level window.
_blank:Open in a new blank window.
name:Open in the frame or window with the specified name.
<param name="urltarget" value="bottom_frame">
<param name="urltarget_0" value="left_frame">
singleClickURLOn (applet drilldown)
Turn on this parameter to use single click instead of double clicks when doing drilldown charts. <param name="singleClickURLOn" value="true">
automaticRefreshTime
Some browsers has problems repainting the applets when scrolling the web page. Set this parameter to make the applet repaint itself on a regular basis. The value is specified in milliseconds so 1000 is one second. <param name="automaticRefreshTime" value=1000>
doubleBufferingOff
By default the charts use double buffering to avoid flickering. However, sometimes this causes problems repainting the charts when scrolling in a browser. If you have charts that the user will not interact with, you might want to turn the double buffering off. <param name="doubleBufferingOff" value=true>
chartClass
The LineChartApplet wraps a LineChart class which actually renders the chart. To add more behavior you can subclass the LineChart class and make the applet load your chart class instead of the standard LineChart class. <param name="chartClass" value="package.MyLineChart">
printAsBitmap
Some java VMs and printers have problems printing applets. Use the printAsBitmaps parameter to print the chart as a bitmap image to work around this. However, the resolution of the printed chart will degrade. <param name="printAsBitmap" value="true">
setPrintAsBitmap(true);
antialias
The servlet supports antialias rendering to smooth out edges. antialias=true

CHART USER GUIDE


1. Loading Data

All data has to be loaded using the applet parameters. The applet can not connect to an external data source and read the data from this.

1.1 Sample values

Use the sampleValues parameter to load data into the applet. The applet code below creates a line chart and loads the values 20,10,40,30, and 50. The sample count of the chart will equal the number of values in the sampleValues parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
</applet>


1.2 Sample count

You can set the sample count explisitly by using the sampleCount parameter. The chart below sets the sample count to 10, but only sets the 5 first samples.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleCount value="10">
<param name=sampleValues value="20,10,40,30,50">
</applet>


1.3 Empty values

You can have empty values by using an undefined number (any sign that's not a valid number).

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50,x,x,80,100,90">
</applet>


1.4 Multiple data series

A chart can have multiple data series. Use the seriesCount parameter to control the number of data series, and the sampleValues_N parameter to set the values per data series.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value=2>
<param name=sampleValues_0 value="72,87,65,78,65">
<param name=sampleValues_1 value="79,67,54,65,43">
</applet>


1.5 Dynamically loading data

Since the applet can not connect directly to a data source, any data that has to be loaded dynamically has to be generated on the server side.

Use a scripting language on the web server (such as ASP) to read the data from a data base (or any other data source) and construct the applet code using the values read. Then the web page is sent to the client with the dynamically data ready to load into the applet.

<%
'## this function prints out the count for each department separated by comma
function PrintDepartmentCount(ByRef employeeRS)
   While Not employeeRS.EOF
      Response.Write employeeRS("DepartmentCount") & ","
      employeeRS.MoveNext
   Wend
end function

'## open data connection
set DbConn=server.createobject("adodb.connection")
cnpath="DBQ=" & server.mappath("employees.mdb")
'Response.Write cnpath
DbConn.Open "DRIVER={Microsoft Access Driver (*.mdb)}; " & cnpath 

'## Let's say we have one table with employees. One of the columns
'## is the department name, and the table name is employee
	
'## The following lines gets the number of employees for each department
Sql = "SELECT COUNT(*) AS DepartmentCount, Department 
FROM Employee GROUP BY Department ORDER BY Department"
Set employeeRS = DbConn.Execute(Sql)
%>

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=640 height=200>
<param name=sampleValues value="<%call PrintDepartmentCount(employeeRS)%>">
</applet>

See here for full ASP example.


1.6 Loading data from a url

If you want to load the applet or servlet data and parameters from a url, you need specify the url in the data parameter in your applet or servlet tag as below

Applet:

<applet code=com.objectplanet.chart.LineChartApplet
 archive=Chart.jar width=200 height=140>
<param name=data value="parameters.data">
</applet>

You can also configure the applet to load data from the currently specified data URL at a specific interval.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=Chart.jar width=200 height=140>
<param name=data value="parameters.data">
<param name=dataInterval value="10">
</applet>

The above applet will reload the parameters.data file at 10 second intervals. If you specify a new data parameter in the parameters.data file, this file will be loaded instead on the next interval.

<param name=dataInterval value="10,reset">

This will make the applet reset all it's data before the new data is loaded.

Servlet:

<img src="http://localhost:8080/servlet/com.objectplanet.chart.ChartServlet?
chart=line&
width=200&
height=140&
data=http://somehost/parameters.data">

Only an applet or servlet can load the data from a URL. The parameters.data file looks like this:

seriesCount=3
sampleValues_0=47,38,46,37,45
sampleValues_1=33,76,57,85,64
sampleValues_2=23,36,17,18,3
sampleColors=yellow, orange, red

The data url can point to a script that produces the data as long as the format returned is as in the example above.

If you need to pass parameters to the script when using servlets, & for parameter separation and = for parameter value assignment can not be used. Instead you need to use ¤ as the parameter separator and * for the equals sign.

<img src="http://localhost:8080/servlet/com.objectplanet.chart.ChartServlet?
chart=bar&
width=200&
height=140&
data=http://somehost/somescript.xyz?myparam*value¤anotherparam*anothervalue&
background=white">



2. Setting the Range

2.1 Automatic range setting

The range is set automatically according to the largest and smallest value of the chart. If the chart contains only positive values, the lower range will be set to 0. If the chart contains only positive values, the upper range will be set to 0.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="23,12,45,34,56">
</applet>

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="12,-23,-34,45,56">
</applet>


2.2 Setting explisit range

You can control the range explisitly by setting the range and lowerRange parameters.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="60,50,80,70,90">
<param name=range value=100>
<param name=lowerRange value=40>
</applet>

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="12,-23,-34,45,56">
<param name=range value=60>
<param name=lowerRange value=-40>
</applet>


2.3 Using range step

If you set the rangeStep parameter, the upper range will be set to the next value larger than the maximum value that is divisible by the range step given.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="12,-23,-34,45,56">
<param name=rangeStep value=10>
</applet>


2.4 Range position and color

Set the range position using the rangePosition parameter. The positions are left or right.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=rangePosition value=right>
</applet>

Set the color of the range labels and ticks using the rangeColor parameter. The color values can be the color name or the html hex code color number.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=rangeColor value=red>
</applet>


2.5 Range value labels

You can set the font used for the range value labels, set the number of decimals to be displayed, set a prefix or postfix, or turn them off.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="0.2,0.1,0.4,0.3,0.5">
<param name=rangeLabelPrefix value="$">
<param name=rangeLabelPostfix value="us">
<param name=rangeDecimalCount value=1>
</applet>

Set the font used for the range value labels using the rangeLabelFont parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=rangeLabelFont value="Arial, bold, 14">
</applet>

The first argument to the rangeLabelFont is the font name, the second is plain, bold, italic, or bolditalic. The last argument is the point size of the font.

You can turn off the range label values using the rangeLabelsOff parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=rangeLabelsOff value="true">
</applet>


2.6 Range axis label

You can add a label to the range axis by using the rangeAxisLabel parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=rangeAxisLabel value="range axis">
</applet>

Set the clockwise angle and the font of the label using the rangeAxisLabelAngle and rangeAxisLabelFont parameters.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=rangeAxisLabel value="range axis">
<param name=rangeAxisLabelAngle value="270">
<param name=rangeAxisLabelFont value="Arial, bold, 12">
</applet>


2.7 Range adjuster

You can control the upper and lower ranges at runtime using the range adjuster.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=rangeAdjusterOn value="true">
</applet>

Control the range adjuster position using the rangeAdjusterPosition parameter. The different positions are left or right.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=rangeAdjusterOn value="true">
<param name=rangeAdjusterPosition value="left">
</applet>


2.8 Double range axis

You can have two range axis by using the rangeOn_2 parameter. Associate a data series with a range axis using the seriesRange_N parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="20,10,40,30,50">
<param name=sampleValues_1 value="3,6,8,3,2">
<param name=seriesRange_1 value="2">
<param name=rangeOn_2 value="true">
</applet>

The rangeOn_2 parameter turns the second range on (default position for the second range is to the right). The seriesRange_1 parameter says that data series 1 (starts on 0) will be associated with range number 2 (ranges are numbered 1 and 2).

second range parameters
range_2  sets the second range's upper value
lowerRange_2  sets the second range's lower value
rangeStep_2  sets the range step for the second range
rangePosition_2  sets the range position for the second range
rangeColor_2  sets the color of the second range's ticks and value labels
rangeLabelPrefix_2  sets the prefix for the range labels on the second range axis
rangeLabelPostfix_2  sets the postfix for the range labels on the second range axis
rangeLabelsOff_2  turns off the range labels for the second range axis
rangeAxisLabel_2  sets the second range axis label
rangeAxisLabelAngle_2  sets the angle of the second range axis label
rangeDecimalCount_2  sets the decimal count used for the second range axis
rangeAdjusterOn_2  turns on the second range adjuster
rangeAdjusterPosition_2  sets the position of the second range adjuster


2.9 Double range adjusters

You can control which range axis a range adjuster should adjust. One range adjuster can also adjust both ranges.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="20,10,40,30,50">
<param name=sampleValues_1 value="3,6,8,3,2">
<param name=seriesRange_1 value="2">
<param name=rangeOn_2 value="true">
<param name=rangeAdjusterOn value="true">
<param name=rangeAdjusterPosition value="true">
<param name=rangeAdjusterOn_2 value="true">
<param name=rangeAdjusted_1 value="both">
<param name=rangeAdjusted_2 value="2">
</applet>

The parameter rangeAdjusted_1 controls which range(s) will be adjusted using adjuster number 1. In this case, it will control both ranges. The parameter rangeAdjusted_2 controls the second adjuster, which controls range 2 in this case (default).


3. Labels and Fonts

3.1 Chart title

The chartTitle parameter adds a label at the top center of the chart.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=chartTitle value="chart title">
</applet>

You can have multiline labels by using a \n (goes for all chart labels).

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=chartTitle value="chart\ntitle">
</applet>

The titleFont parameter sets the font used for the title.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=chartTitle value="chart title">
<param name=titleFont value="Courier, bold, 20">
</applet>


3.2 Sample labels

You can add a label to each sample point on the x-axis by using the sampleLabels parameter. Use sampleLabelsOn to turn them on.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleLabels value="one,two,three,four,five">
<param name=sampleLabelsOn value="true">
</applet>

Use the sampleLabelFont parameter to control the font used for the sample labels.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleLabels value="one,two,three,four,five">
<param name=sampleLabelsOn value=true>
<param name=sampleLabelFont value="Arial, plain, 9">
</applet>

Use the sampleLabelStyle parameter to display floating sample labels.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleLabels value="one,two,three,four,five">
<param name=sampleLabelsOn value=true>
<param name=sampleLabelStyle value="floating">
<param name=floatingLabelFont value="Arial, bold, 14">
</applet>

Use the sampleLabelStyle parameter to display sample labels near the sample points. Labels are automatically combined with value labels when using valueLabelsOn.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleLabels value="one,two,three,four,five">
<param name=sampleLabelsOn value=true>
<param name=sampleLabelStyle value="outside">
<param name=valueLabelsOn value=true>
</applet>

The sampleLabelAngle parameter controls the clockwise angle of the sample labels.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleLabels value="one,two,three,four,five">
<param name=sampleLabelsOn value=true>
<param name=sampleLabelAngle value="270">
</applet>

You can set the color of the sample labels using the sampleLabelColors parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleLabels value="one,two,three,four,five">
<param name=sampleLabelsOn value=true>
<param name=sampleLabelColors value="black, black, red, black, black">
</applet>

If you have too many labels close to each other, they overwrite and clutter up. Turn on the autoLabelSpacingOn parameter to paint only the sample labels there are space for.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="58,76,54,56,56,98,76,54,56,89">
<param name=sampleLabels value="one,two,three,four,five,six,seven,eight,nine,ten">
<param name=sampleLabelsOn value=true>
<param name=autoLabelSpacingOn value=true>
<param name=sampleScrollerOn value=true>
</applet>



The default label field delimiter used is comma (,). If you want commas in your labels, you need to set a different label field delimiter. The label delimiter has effect on the sample labels, series labels, legend labels, and target value line labels.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=labelDelimiter value=":">
<param name=sampleLabels value="jan, 2001:feb, 2001:mar, 2001:apr, 2001:may, 2001">
<param name=sampleLabelsOn value=true>
<param name=sampleLabelAngle value=270>
</applet>


3.3 Series labels

When using multiple data series you set a label for each data series using the seriesLabels parameter. The legend will display the series labels.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="20,10,40,30,50">
<param name=sampleValues_1 value="20,40,30,60,40">
<param name=sampleLabels value="one,two,three,four,five">
<param name=seriesLabels value="Data A,Data B">
<param name=sampleLabelsOn value=true>
<param name=legendOn value=true>
</applet>

Use the seriesLabelColors to set the colors of the series labels in the legend.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="20,10,40,30,50">
<param name=sampleValues_1 value="20,40,30,60,40">
<param name=sampleLabels value="one,two,three,four,five">
<param name=seriesLabels value="Data A,Data B">
<param name=sampleLabelsOn value=true>
<param name=legendOn value=true>
<param name=seriesLabelColors value="red, blue">
</applet>

Use the seriesLabelOn to turn on series floating labels.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="20,10,40,30,50">
<param name=sampleValues_1 value="20,40,30,60,40">
<param name=sampleLabels value="one,two,three,four,five">
<param name=sampleLabelsOn value=true>
<param name=seriesLabels value="Data A,Data B">
<param name=seriesLabelsOn value=true>
</applet>

Use the seriesLabelStyle to show the series labels near the sample points on the grid.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="15,10,20,25,50">
<param name=sampleValues_1 value="25,40,40,60,30">
<param name=sampleLabels value="one,two,three,four,five">
<param name=sampleLabelsOn value=true>
<param name=seriesLabels value="data a,data b">
<param name=seriesLabelsOn value=true>
<param name=seriesLabelStyle value="outside">
<param name=seriesLabelColors value="red, blue">
</applet>


3.4 Legend labels

The legend is turned on using the legendOn parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="20,10,40,30,50">
<param name=sampleValues_1 value="20,40,30,60,40">
<param name=seriesLabels value="Data A,Data B">
<param name=legendOn value=true>
</applet>

The legend position is controlled using the legendPosition parameter. The position can be right (default), left, top, or bottom.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="20,10,40,30,50">
<param name=sampleValues_1 value="20,40,30,60,40">
<param name=seriesLabels value="Data A,Data B">
<param name=legendOn value=true>
<param name=legendPosition value=left>
</applet>



Control the font used for the legend labels using the legendLabels parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="20,10,40,30,50">
<param name=sampleValues_1 value="20,40,30,60,40">
<param name=seriesLabels value="Data A,Data B">
<param name=legendOn value=true>
<param name=legendFont value="Arial, bold, 14">
</applet>

The color of the legend boxes are the same as the sample colors. Use the legendColors parameter to explisitly set the legend colors.

<applet code=com.objectplanet.chart.LineChartApplet  width=200 height=140>
<param name=seriesCount value=3>
<param name=sampleValues_0 value="50,40,30,20,10,0">
<param name=sampleValues_1 value=" , , , , ,0,-20,-40,-30,-20,-10,0">
<param name=sampleValues_2 value=" , , , , , , , , , , ,0,15,25,30">
<param name=sampleColors value="blue, red, blue">
<param name=legendLabels value="good,bad">
<param name=legendOn value=true>
<param name=legendColors value="blue,red">
</applet>

Any legend box may be replaced by an image.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="20,10,40,30,50">
<param name=sampleValues_1 value="20,40,30,60,40">
<param name=seriesLabels value="Data A,Data B">
<param name=sampleHighlightOn value=true>
<param name=legendOn value=true>
<param name=legendImage_0 value="images/blue-ball.gif">
<param name=legendImage_1 value="images/magenta-small.gif">
</applet>


3.5 Sample axis label

Add a label to the sample axis using the sampleAxisLabel parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleAxisLabel value="sample axis">
</applet>

Use the sampleAxisLabelFont parameter to set the font used.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleAxisLabel value="sample axis">
<param name=sampleAxisLabelFont value="Courier, plain, 16">
</applet>


3.6 Value labels

Turn on the value labels using the valueLabelsOn parameter. Use the valueLabelsOn_N parameter option to turn on or off the value labels for each data series.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=valueLabelsOn value="true">
</applet>

Set the angle of the value labels with the valueLabelAngle parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="200,100,400,300,500">
<param name=valueLabelsOn value="true">
<param name=valueLabelAngle value="270">
</applet>

Use the valueLabelsFont parameter to control the fonts.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=valueLabelsOn value="true">
<param name=valueLabelFont value="Arial, bold, 14">
</applet>

Use the valueLabelStyle to display floating value labels.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=valueLabelsOn value="true">
<param name=valueLabelStyle value="floating">
<param name=floatingLabelFont value="Arial, bold, 14">
</applet>

Use the sampleDecimalCount parameter to control the number of decimals used for the value labels. Use sampleDecimalCount_N to control the number of decimals per data series.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="76.8, 76.5, 43.7, 87.8, 67.6">
<param name=valueLabelsOn value="true">
<param name=sampleDecimalCount value="1">
<param name=rangeStep value="100">
</applet>

You can add a prefix and postfix to the value labels using the valueLabelPrefix and valueLabelPostfix parameters. To set a pre- and postfix per data series, add a _N (where N is the series number) to each parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=valueLabelsOn value="true">
<param name=valueLabelPrefix value="$">
</applet>


4. Chart Colors

4.1 Sample colors

Use the sampleColors parameter to set the colors of the lines and legend label boxes. You can either use the color names or the hex value (e.i. #c0a0f0) for the colors.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleColors value="red">
</applet>

You can set the colors per data series.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value=3>
<param name=sampleValues_0 value="27,38,76,57,65">
<param name=sampleValues_1 value="23,76,87,65,34">
<param name=sampleValues_2 value="23,46,77,88,93">
<param name=sampleColors value="orange, red, magenta">
<param name=seriesLabels value="Data A,Data B,Data C">
<param name=legendOn value=true>
<param name=legendPosition value=bottom>
</applet>


4.2 Background color

Set the chart component background color using the background parameter. This does not include the chart grid background color.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=background value="orange">
</applet>


4.3 Chart background color

Set the color of the chart grid background using the chartBackground parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=chartBackground value="orange">
</applet>


4.4 Foreground color

Set the chart component foreground color using the foreground parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=foreground value="blue">
<param name=chartTitle value="foreground color set">
</applet>


4.5 Chart foreground color

Set the foreground color of the chart grid elements.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=chartForeground value="white">
<param name=chartBackground value="black">
<param name=background value="black">
</applet>


5. Chart Style

Through the applet parameters you can control how the chart is displayed.

5.1 3D mode

Turn on 3D mode with the 3DModeOn parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=3DModeOn value="true">
</applet>

Control the depth of the chart using the 3DDepth parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=3DModeOn value="true">
<param name=3DDepth value="25">
</applet>


5.2 Sample scroller

If you have many samples you can use the sample scroller to display a subset of the samples and scroll or zoom them.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="6,5,8, ... ,5,4,3">
<param name=sampleScrollerOn value="true">
</applet>

Using the visibleSample parameter you can control the initial sample displayed when using the sample scroller.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="6,5,8, ... ,5,4,3">
<param name=sampleScrollerOn value="true">
<param name=visibleSamples value="0,10">
</applet>

The first field in the visibleSamples parameter is the starting sample. The second field is the number of samples to be displayed initially.


5.3 Horizontal grid lines

You can turn on horizontal grid value lines using the valueLinesOn parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=valueLinesOn value="true">
</applet>

You can set the color of the value lines using the valueLinesColor parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=valueLinesOn value="true">
<param name=valueLinesColor value="white">
<param name=chartBackground value="lightGray">
<param name=background value="lightGray">
</applet>

The jumps in the value lines and range labels is controlled by the space available for the value lines and range labels. You can not control the jumps directly, but you can set the maximum number of lines you want using the maxValueLineCount parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=valueLinesOn value="true">
<param name=maxValueLineCount value="2">
</applet>


5.4 Default vertical grid lines

Set default vertical grid lines using the defaultGridLinesOn parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=defaultGridLinesOn value="true">
</applet>

You can also define the position of the first line and step between the lines. Specifying color for the lines is also available.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=defaultGridLinesOn value="true,10,20">
<param name=defaultGridLinesColor value="green">
</applet>


5.5 Vertical grid lines

Set vertical grid lines using the gridLines parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=gridLines value="15,35,75">
</applet>

The position of each grid line is a value between 0 and 100 relative to the width of the chart grid. However, you can change the sample axis range to fit your application better.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,30,50,40,70,60,90,80,110,100,120">
<param name=sampleLabels value="j,f,m,a,m,j,j,a,s,o,n,d">
<param name=sampleLabelsOn value=true>
<param name=sampleAxisRange value="0,11">
<param name=gridLines value="2,3,4,7,8">
</applet>

You can set the color of each individual grid line.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=gridLines value="24.5,36.6,75">
<param name=gridLineColors value="red,green,blue">
</applet>


5.6 Stacked lines

When multiple data series are used the lines can appear stacked and filled. Use the stackedOn parameter to turn on stacked lines.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="3">
<param name=sampleValues_0 value="68,75,36,12,23">
<param name=sampleValues_1 value="34,34,54,31,25">
<param name=sampleValues_2 value="21,34,45,66,67">
<param name=sampleColors value="yellow, orange, red">
<param name=stackedOn value="true">
</applet>


5.7 Line width

Set the pixel width of the lines using the lineWidth parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=lineWidth value="5">
</applet>

If the chart has multiple data series you can set the line width of each data series by comma seperation.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="3">
<param name=sampleValues_0 value="68,75,46,12,23">
<param name=sampleValues_1 value="34,34,54,31,25">
<param name=sampleValues_2 value="21,34,45,66,67">
<param name=lineWidth value="2,5,10">
</applet>


5.8 Sample highlights

You can add circles, squares, and diamond shapes to the sample points on the data series lines.

You can also add any shape you like by adding an image. See here on how to do it.

Use the sampleHighlightOn parameter to turn on highlights.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleHighlightOn value="true">
</applet>

You can set the sample highlight on or off for individual data series by using comma seperation.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="3">
<param name=sampleValues_0 value="68,75,46,12,23">
<param name=sampleValues_1 value="34,34,54,31,25">
<param name=sampleValues_2 value="21,34,45,66,67">
<param name=sampleHighlightOn value="true,true,false">
</applet>

The above applet code states that the first and second series should have higlights, but the third should not. If the chart had six series, the 4th and 5th series would also have highlights, while the 6th would not.

Use the sampleHighlightStyle to set the style. The style can be circle (default), circle_filled, circle_opaque, square, square_filled, square_opaque, diamond, diamond_filled, or diamond_opaque.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleHighlightOn value="true">
<param name=sampleHighlightStyle value="circle_filled">
</applet>

The sampleHighlightStyle can also use comma seperation to set the style per data series.

Use the sampleHighlightSize to set the size for each highlight.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=sampleHighlightOn value="true">
<param name=sampleHighlightStyle value="circle_opaque">
<param name=sampleHighlightSize value="15">
</applet>

The sampleHighlightSize can also use comma seperation to set the style per data series.

Using the valueLabelStyle you can place the value labels inside the sample highlights.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="2,1,4,3,5">
<param name=sampleHighlightOn value="true">
<param name=sampleHighlightStyle value="circle_opaque">
<param name=sampleHighlightSize value="16">
<param name=valueLabelsOn value="true">
<param name=valueLabelStyle value="inside">
</applet>

Using the seriesLineOff parameter you can turn off the lines and display the sample higlights only. This way you can create a chart with plots only.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="3">
<param name=sampleValues_0 value="68,75,46,12,23">
<param name=sampleValues_1 value="34,34,54,31,25">
<param name=sampleValues_2 value="21,34,45,66,67">
<param name=sampleHighlightOn value="true">
<param name=sampleHighlightStyle value="circle_filled, square_filled, diamond_filled>
<param name=sampleHighlightSize value="9,7,10>
<param name=seriesLineOff value="true">
</applet>

You can turn off individual data series by comma seperating the series index in the seriesLineOff parameter.


5.9 Connect empty values

By default, if the chart has empty values in a data series, there will be a gap in the line.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,x,30,50">
</applet>

By using the connectedLinesOn parameter you can connect lines across empty values.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,x,30,50">
<param name=connectedLinesOn value="true">
</applet>

By comma seperating the data series index you can control each data series individually.

<param name=connectedLinesOn value="1,3">


6. Miscellaneous

6.1 Target value lines

You can add a horizontal line at a specified value position in the chart grid. The line can have any color and a label to the left of it. Use the targetValueLine_N parameter to add target value lines.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=targetValueLine_0 value="Target A, 15, red">
<param name=targetValueLine_1 value="Target B, 40, blue">
<param name=targetValueLine_2 value="Target C, 25, gray, value">
</applet>

The first field in the target parameter is the label to be displayed. The second field is the value where it should be painted. The third parameter is the color (use the color name or a hex code) of the line and label. The fourth and optional parameter states if only the value should be displayed (value) or only the label (label). Both the label and the value are displayed by default.


6.2 URLs and drilldown

You can add a URL or javascript call to any data series or sample point in the chart and have the applet open a new web page when the user double-clicks the sample point or legend entry.

Have the url point to a web page containing another chart to create drilldown charts.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="10,20,30,40,50">
<param name=url_0 value="chart1.html">
<param name=url_1 value="chart2.html">
<param name=url_2 value="chart3.html">
<param name=url_3 value="chart4.html">
<param name=url_4 value="javascript:winOpen('line.html', 200,500);">
</applet>

The parameter url_0 adds a URL to the first sample point in the above example. Use the parameter url to add a default url to all the samples.

In a chart having multiple data series, the url_N parameter adds a url to series N. The parameter url_N_M adds a url to sample M in data series N.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=seriesCount value="2">
<param name=sampleValues_0 value="10,20,30,40,50">
<param name=sampleValues_1 value="20,30,40,50,60">
<param name=url_0_0 value="chart1.html">
<param name=url_1_0 value="chart2.html">
</applet>

The example above adds a url to the first sample point in the two data series of the chart.

You can also set the URLs programatically by calling setParameter("url_0", "myurl");

The parameter urltarget, urltarget_N, urltarget_N_M adds a target window where the new web page should be opened. The default behavior is to open the new page in the same window.

The different parameter values are:

_self: Open new page in same window or frame.
_parent: Open in the parent window.
_top: Open in the top-level window.
_blank:Open in a new blank window.
name:Open in the frame or window with the specified name.

Use the singleClickURLOn parameter to use single click drilldowns.


6.3 Graph insets

The sizing of the chart grid is automatically calculated based on the size and position of other elements in the chart. You can explisitly set the chart grid by using the graphInsets parameter.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=graphInsets value="0,0,0,0">
</applet>

The sequence of the graphInsets parameter value is top, left, bottom, right. If you use -1 for any of the fields, the default inset for that side will be set.

<applet code=com.objectplanet.chart.LineChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="20,10,40,30,50">
<param name=graphInsets value="50,50,50,50">
</applet>

The user can control the size and position of the chart grid at runtime by clicking on a chart grid edge and dragging it. Use the gridAdjustmentOn parameter to turn this behaviour on.

<applet code=com.objectplanet.chart.BarChartApplet
 archive=chart.jar width=200 height=140>
<param name=sampleValues value="10,20,30,40,50">
<param name=gridAdjustmentOn value="top,left,bottom,right">
</applet>



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