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[Octave-bug-tracker] [bug #58662] shading doesn't have any effect on wat


From: Markus Mützel
Subject: [Octave-bug-tracker] [bug #58662] shading doesn't have any effect on waterfall graphs in new versions of Octave
Date: Mon, 29 Jun 2020 07:39:06 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36 Edg/83.0.478.56

Update of bug #58662 (project octave):

                  Status:                    None => Invalid                
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #1:

Octave's behavior probably changed when bug #48392 was fixed.

The difference might be more subtle in newer versions of Octave. But "shading"
*does* have an effect on waterfall graphs:

>> [X,Y] = meshgrid (-3:.125:3);
>> Z = peaks (X,Y);
>> waterfall (X,Y,Z)
>> [X,Y] = meshgrid (-3:.125:3);
>> Z = peaks (X,Y);
>> hp = waterfall(X,Y,Z);
>> get (hp, "edgecolor")
ans = flat
>> shading interp
>> get (hp, "edgecolor")
ans = interp


This is also what Matlab does in this case.

If you want to change the facecolor and edgecolor, you can set those
properties directly - like suggested in the stackoverflow thread (copying a
slightly modified version here for future reference):

[X,Y] = meshgrid (-3:.125:3);
Z = peaks (X,Y);
H = waterfall (X,Y,Z);
set (H, "facecolor", "flat");
set (H, "edgecolor", "k");


Closing as invalid.

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Reply to this item at:

  <https://savannah.gnu.org/bugs/?58662>

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