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| From: | Pantxo Diribarne |
| Subject: | [Octave-bug-tracker] [bug #44765] Legend object printed below lines in plot |
| Date: | Tue, 07 Apr 2015 20:52:22 +0000 |
| User-agent: | Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0 |
Follow-up Comment #6, bug #44765 (project octave):
Got it. Before drawing any axes, Octave clears the GL_DEPTH_BUFFER (see
opengl_renderer::setup_opengl_transformation), so that subsequent objects are
drawn over previous ones. Commenting out this line makes on-screen rendering
look like the ps file.
In gl2ps a similar effect could be achieved using
gl2psBeginViewport/gl2psEndViewport to init a new sorting tree each time we
clear the depth buffer.
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