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[Octave-bug-tracker] [bug #45137] patch/print: exports too many polygons
From: |
Oliver Heimlich |
Subject: |
[Octave-bug-tracker] [bug #45137] patch/print: exports too many polygons |
Date: |
Mon, 18 May 2015 22:01:37 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.7.0 |
URL:
<http://savannah.gnu.org/bugs/?45137>
Summary: patch/print: exports too many polygons
Project: GNU Octave
Submitted by: oheim
Submitted on: Di 19 Mai 2015 00:01:35 CEST
Category: Plotting with OpenGL
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Inaccurate Result
Status: None
Assigned to: None
Originator Name: Oliver Heimlich
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: dev
Operating System: Any
_______________________________________________________
Details:
The export of 3D patches to eps creates too many objects, the exports to png
is also affected and looks strange (see attachements). On-screen rendering is
fine.
Behaviour in version 3.8.2 and 4.0.0rc4 seems to be the same regarding this
particular issue. I can observe it under GNU/Linux and Windows.
The number of polygons used during export is also affected by the GL driver. I
have a dual graphics card in my notebook (Intel HD 4600 and NVIDIA GeForce GTX
860M), the intel driver creates a lot more polygons than the nvidia driver
(41150 vs 17191).
Another example, in the 6th demo of patch (red/blue pyramid) the blue triangle
is split into 5 triangles during export.
I can also provide eps files if needed.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Di 19 Mai 2015 00:01:35 CEST Name: intel-4.0.0rc4.png Size: 231kB
By: oheim
<http://savannah.gnu.org/bugs/download.php?file_id=34049>
-------------------------------------------------------
Date: Di 19 Mai 2015 00:01:35 CEST Name: nvidia-3.8.2.png Size: 106kB By:
oheim
<http://savannah.gnu.org/bugs/download.php?file_id=34052>
-------------------------------------------------------
Date: Di 19 Mai 2015 00:01:35 CEST Name: intel-3.8.2.png Size: 230kB By:
oheim
<http://savannah.gnu.org/bugs/download.php?file_id=34051>
-------------------------------------------------------
Date: Di 19 Mai 2015 00:01:35 CEST Name: nvidia-4.0.0rc4.png Size: 103kB
By: oheim
<http://savannah.gnu.org/bugs/download.php?file_id=34050>
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?45137>
_______________________________________________
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Oliver Heimlich <=