DXF with arc in polyline is not visualized correctly
lazarus / 54-FPvectorial

----------------------------------------------------------------------
rbettini · 2025-10-20 00:16

Hi All,

I'm trying to use FPVectorial to visualize a DXF with arc in polyline
(file P1520_esq.txt - it's a DXF file) but the result (file
1520P_result.png) has lines instead arcs.
The result expected is in file 1520P_expected.png - I got this using
lines and arcs intead polyline.
The problem is that the application requires using polyline.

The code I use to load the dxf is:
Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i var  Vec :
TvVectorialDocument;  Pag : TvVectorialPage; ::    Vec :=
TvVectorialDocument.Create;    Pag := Vec.AddPage();   
Vec.ReadFromStrings(DMDes.DXFF, vfDXF);   
Pag.DrawBackground(imDXF.Canvas); 
Lazarus version 4.0RC1
FPC version 3.2.2

Can you tell me if this is not implemented or I'm doing something
wrong ?

Thank you,

----------------------------------------------------------------------
zamtmn · 2025-10-20 08:56

FpVectorial does not seem to support arc segments in 2DPolylines