[Octave-bug-tracker] [bug #40898] scatter3 needs better input validation

[anonymous]

Follow-up Comment #8, bug #40898 (project octave):

Thanks for helping me with this.  I think there is another bug in
scatter/scatter3. An error is generated if one is specifying individual point
colors and all of the points happen to be the same color. If all of the points
are close to the same color, there is no error but there is also no graph.  If
the colors are more different, then everything works as expected.  

Finally, what specific values of tiny cause various behaviors seems to depend
on what else I have done in the current Octave session.  Sorry. My exact test
code is below. Try .1, 1e-6 and 0. 

Here is the error I see.

20>scatter3test
n =        101
tiny =          0
error: vertical dimensions mismatch (101x3 vs 1x1)
error: called from:
error:   C:SoftwareOctave-3.6.4shareoctave3.6.4mplotprivate__go_draw_ax
es__.m at line 1054, column 36
error:   C:SoftwareOctave-3.6.4shareoctave3.6.4mplotprivate__go_draw_fi
gure__.m at line 167, column 19
error:   C:SoftwareOctave-3.6.4shareoctave3.6.4mplot__gnuplot_drawnow__.
m at line 86, column 5
21>

here is the test code

 clear
 clf
 n=101
 x = rand (n,1);
 y = rand (n,1);
 z = rand (n,1);
 s=20*rand(n,1);
 tiny=0
 c=abs(0.5*(ones(n,3)-tiny*rand(n,3)));
 % scatter3 (x, y, z, s, c, "s");
 scatter (x, y, s, c, "s");


    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?40898>

_______________________________________________
  Message sent via/by Savannah
  http://savannah.gnu.org/