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Axis Label format spec
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Topic: Axis Label format spec (Read 1329 times)
PaulRowntree
Full Member
Posts: 132
Axis Label format spec
«
on:
September 15, 2019, 11:54:54 pm »
On my system (Win10, Laz1.8, win32) the default axis label format string is "
%0:.9g
". What is the meaning of the full semicolon?
Logged
Paul Rowntree
- coding for instrument control, data acquisition & analysis, CNC systems
wp
Hero Member
Posts: 11857
Re: Axis Label format spec
«
Reply #1 on:
September 16, 2019, 12:31:49 am »
The axis labels are determined by the ChartSource assigned to the Source and Style properties of the axis' Marks (when Source is empty an internal source is used). Depending on these settings various quanties can be displayed as axis labels which are created by using the Format() function and a given mask string. The number specified before the colon, therefore, is the index of the value in the parameter list passed to the Format() function.
See
-
https://wiki.lazarus.freepascal.org/TAChart_documentation#Mark_labels
-
https://www.freepascal.org/docs-html/rtl/sysutils/format.html
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PaulRowntree
Full Member
Posts: 132
Re: Axis Label format spec
«
Reply #2 on:
September 16, 2019, 01:13:13 am »
Thanks wp. I was looking at this page, where the ':' is omitted.
https://wiki.freepascal.org/Format_function
Cheers!
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Paul Rowntree
- coding for instrument control, data acquisition & analysis, CNC systems
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Axis Label format spec
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