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[Octave-bug-tracker] [bug #59418] Document work-arounds for single-preci
From: |
Markus Mützel |
Subject: |
[Octave-bug-tracker] [bug #59418] Document work-arounds for single-precision OpenGL plots |
Date: |
Thu, 5 Nov 2020 07:12:14 -0500 (EST) |
User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.183 Safari/537.36 Edg/86.0.622.63 |
URL:
<https://savannah.gnu.org/bugs/?59418>
Summary: Document work-arounds for single-precision OpenGL
plots
Project: GNU Octave
Submitted by: mmuetzel
Submitted on: Thu 05 Nov 2020 01:12:12 PM CET
Category: Plotting with OpenGL
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Documentation
Status: None
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Release: dev
Discussion Lock: Any
Operating System: Any
_______________________________________________________
Details:
There are known issues because the OpenGL graphics backend uses single
precision floating point numbers internally (see e.g. bug #32980).
There are also known work-arounds (mainly re-scaling) for this issue.
Rik wrote in bug #59370:
> Whether as part of this issue report, or a separate one, I think we should
add a @subsection or @subsubsection with workarounds for the OpenGL toolkit.
The qt toolkit remains the preferred toolkit, and there are specific
strategies for dealing with either large values which exceed the range of a
single type or for data with very fine gradiations which exceeds the
resolution of a single type.
This bug is here to track documentation changes to describe these strategies
and work-arounds.
_______________________________________________________
Reply to this item at:
<https://savannah.gnu.org/bugs/?59418>
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- [Octave-bug-tracker] [bug #59418] Document work-arounds for single-precision OpenGL plots,
Markus Mützel <=