DropLineStyle

Modified in version 4.0

DropLineStyle ( seriesIndex ;​ dropLineAxisIndex ;​ stroke ;​ color ;​ colorVariant )

Argument Type Range Default Note
seriesIndex int 0..10000 all
dropLineAxisIndex int 0..3 all
stroke num[] 0..1000 1 Dimension:[pt]
color rgba 0..255 gray
colorVariant int -1..128 solid
Examples

DropLineStyle(all;​x)

DropLineStyle(1;​all;​1;​blue;​gray)

Description

As an option, drop lines can be added to scatter, bubble, line, bar and area charts. A total of 4 functions are available for this. They serve to:

  • design the drop lines
  • define a reference point
  • define a reference line
  • define a set of reference series

For all 4 functions DropLineStyle(), DropLineReferencePoint() , DropLineReferenceLine() and DropLineReferenceSeries() the series index is defined as the 1st argument. If no series index is defined or if seriesIndex = all is set, the respective function refers to all data series. The 2nd argument dropLineAxisIndex defines the direction of the drop lines. When dropLineAxisIndex = x, the drop lines refer to the x-axis; when dropLineAxisIndex = y, they refer to the y-axis. If no axis index is defined or if dropLineAxisIndex = all, drop lines are drawn in the direction of both the x-axis and y-axis. The stroke and color of the drop lines can be varied using the arguments stroke, color and colorVariant. Unless otherwise defined, drop lines are gray, 1-pixel wide lines.

DROP_LINE_STYLE_01
1

OpenDrawing(250;​150)

2

ChartData(15 19 13 17 12 3)

3

LineChart(symbol;​on)

4

DropLineStyle(all;​all;​0.25;​#555)

5

/* Set up styles. */

6

LineStyle(1;​poly;​1;​steelBlue)

7

SymbolStyle(1;​circle;​5;​1.25;​steelBlue;​;​white)

8

/* Set up axes. */

9

AxisLine(all;​0.5;​black)

10

AxisMajorTicks(x;​0)

11

AxisMajorTicks(y;​6;​0.5;​black;​;​out)

12

AxisOptions(all;​front) /* Axes in front of drop lines. */

13

/* Set up grid. */

14

GridLocation(all;​none) /* Hide grid. */

15

CloseDrawing()

DROP_LINE_STYLE_01
DROP_LINE_STYLE_02
1

OpenDrawing(250;​150)

2

ChartData( 7 5 18 20 24;​ /* 1st series: x-values. */

3

2 18 16 9 13;​ /* 1st series: y-values. */

4

23 10 15 12 4;​ /* 2nd series: x-values. */

5

3 10 14 5 4) /* 2nd series: y-values. */

6

ScatterChart2D(shadow)

7

DropLineStyle(1;​all;​0.25;​#4682b4)

8

DropLineStyle(2;​all;​0.25;​#c002a0)

9

/* Set up styles. */

10

SymbolStyle(1;​bullet;​4;​1;​#4682b4;​shaded)

11

SymbolStyle(2;​bullet;​4;​1;​#c002a0;​shaded)

12

ShadowStyle(all;​2 2 3)

13

/* Set up axes. */

14

Scaling(x;​linear;​0;​25;​5;​5)

15

Scaling(y;​linear;​0;​20;​4;​5)

16

AxisLine(all;​0.5;​black)

17

AxisMajorTicks(all;​8;​0.5;​black;​;​out)

18

AxisMinorTicks(all;​4;​0.5;​black;​;​out)

19

AxisOptions(all;​front) /* Axes in front of drop lines. */

20

GridLocation(all;​none) /* Hide grid. */

21

CloseDrawing()

DROP_LINE_STYLE_02
DROP_LINE_STYLE_03
1

OpenDrawing(250;​150)

2

ChartData(17 8 19 12 17 13;​ /* y-values. */

3

7 5 8 6 10 15) /* Diameters */

4

BubbleChart(label+shadow;​on)

5

DropLineStyle(1;​x;​0.5;​steelBlue)

6

/* Set up styles. */

7

FillStyle(1;​steelBlue)

8

BorderStyle(1;​none)

9

ShadowStyle(all;​2 2 3)

10

LabelStyle(1;​Verdana;​9;​bold;​white)

11

LabelOptions(1;​;​;​-1)

12

/* Set up axes. */

13

AxisLine(all;​0.5;​black)

14

AxisMajorTicks(x;​0)

15

AxisMajorTicks(y;​6;​0.5;​black;​;​out)

16

AxisOptions(all;​front) /* Axes in front of drop lines. */

17

GridLocation(all;​none) /* Hide grid. */

18

CloseDrawing()

DROP_LINE_STYLE_03
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