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[Octave-bug-tracker] [bug #54926] colormap property of a figure cannot b

From: Guillaume
Subject: [Octave-bug-tracker] [bug #54926] colormap property of a figure cannot be empty
Date: Wed, 31 Oct 2018 12:28:44 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0


                 Summary: colormap property of a figure cannot be empty
                 Project: GNU Octave
            Submitted by: gyom
            Submitted on: Wed 31 Oct 2018 04:28:43 PM UTC
                Category: Plotting with OpenGL
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error
                  Status: None
             Assigned to: None
         Originator Name: Guillaume
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux



Setting a figure's colormap with an empty array returns an error:

octave:1>  h = figure ("colormap", [])
error: invalid value for array property "colormap"
error: called from
    figure at line 96 column 7

This is for example used in dialog.m:
and is valid in matlab:
(look for description of output argument d at the end of the page).


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