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Topic: How to create 3D charts (Read 1595 times)
mecoman
Newbie
Posts: 1
How to create 3D charts
«
on:
June 17, 2019, 03:09:56 pm »
Hi everyone. I need to create 3D charts. Do you know a library?
Thanks a lot, bye.
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wp
Hero Member
Posts: 11923
Re: How to create 3D charts
«
Reply #1 on:
June 17, 2019, 04:19:00 pm »
Not with TAChart, it is 2D only.
https://forum.lazarus.freepascal.org/index.php/topic,45683.msg323462.html#msg323462
shows an example how 3D charts could be drawn by means of OpenGL; it is not complete yet, maybe I can continue to work on it in the next days.
Otherwise, you could use a separate script-driven charting program such as gnuplot, catch its output and paint it in a TImage:
https://forum.lazarus.freepascal.org/index.php/topic,23839.msg253759.html#msg253759
, or
https://forum.lazarus.freepascal.org/index.php/topic,40517.msg279940.html#msg279940
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devEric69
Hero Member
Posts: 648
Re: How to create 3D charts
«
Reply #2 on:
June 17, 2019, 05:18:26 pm »
You can read this post on 3D:
https://forum.lazarus.freepascal.org/index.php/topic,45506.msg323487.html#msg323487
.
The videos mentioned here, explain step by step (source code written at the same time), how to create a 3D engine.
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Lazarus version: 2.0.4 (svn revision: 62502M) compiled with fpc 3.0.4 - fpDebug \ Dwarf3.
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