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DRAW XY CHART AT
Description:
This command displays an XY chart at the specified row/column coordinates.
The chart is based on a database file that can be optionally filtered.
Syntax:
DRAW XY CHART AT <Pos1>,<Pos2> USING <dbf> PLOT <field>
[LABEL <field>]
[WIDTH <width>]
[HEIGHT <height>]
[DIVISION <value>]
[FILTER <filter>]
[SOLID]
[DOTTED]
[DASHED]
[BOX]
Arguments:
<Pos1> is the row screen coordinate for the lower left corner of the
chart.
<Pos2> is the column screen coordinate for the lower left corner of the
chart.
<dbf> is the database file to be used as the source of data.
[PLOT <field>] is the field to plot.
[LABEL <field>] is the field to display on the X axes labels.
[WIDTH <width>] is the width of the chart. The default is established as
a preprocessor constant in GLLIBR.CH with a value of ???.
[HEIGHT <height>] is the height of the chart. The default is established
as a preprocessor constant in GLLIBR.CH with a value of ???.
[DIVISION <value>] is the Y axes value for determining where labels and
grid lines will be placed.
[SOLID] invokes solid Y axes grid lines at the division marks.
[DOTTED] invokes dotted Y axes grid lines at the division marks.
[DASHED] invokes dashed Y axes grid lines at the division marks.
[BOX] draws a box around the chart area.
<filter> is the filter statement that isolates the data for the chart.
Example:
DRAW XY CHART AT 14,23 USING SAMPLE.DBF; // display an xy chart
PLOT DIV_INCOME/100 ; // select the field to plot
LABLE DIVISION // select field for X axes
FILTER RECNO()<=16 ; // set the filter
HEIGHT 8 ; // height of 8 rows
WIDTH 40 ; // width of 40 chrs
DIVISION 5000 ; // Y axes divisions
DOTTED ; // dotted Y grid lines
BOX // box the chart
Purpose: Display an XY chart
Mapped Function: __DrawXYChart() contained in GLLIBR.PRG.
dGE functions: datastore(),xygraph(),datareset()
Other GL UDFs: None.
System variables: None.
System constants: None.
See Also:
See Also:
__DrawXYChart()
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Written by Dave Pearson