bugGNU Octave - Bugs: bug #53939, missing "ColorScale"...

 
 

bug #53939: missing "ColorScale" property

Submitted by:  ederag <ederag>
Submitted on:  Fri 18 May 2018 11:20:02 PM UTC  
 
Category:  Plotting Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Matlab Compatibility
Status:  Confirmed Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  dev Operating System:  Any

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Wed 23 May 2018 08:35:53 PM UTC, comment #1:

Confirmed. Matlab didn't allow a log scale for colorbars, but now, apparently, it does. And they have migrated properties that used to be on the colorbar object itself, to the axes object. It's rather hard to keep up.

As a start, the error message and checking to prevent logarithmic scales that was introduced in for bug #42311 can be reversed. Then a new graphics property ColorScale would have to be added to axes objects in graphics.in.h. Finally, colorbar.m would have to be modified to adjust its scale value based on the axes ColorScale property via a listener or a linked property. Even then, the results would be sub-optimal unless colorbar starts using a surface object rather than an image object to represent the colorbar.

Rik <rik5>
Project Administrator
Fri 18 May 2018 11:20:02 PM UTC, original submission:

The "ColorScale" property
https://fr.mathworks.com/help/matlab/ref/matlab.graphics.axis.axes-properties.html#budumk7-ColorScale
is missing.

This would fix bug #42311 too.

ederag <ederag>

 

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-05-23 rik5 StatusNone => Confirmed
        Release4.4.0 => dev

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