[Octave-bug-tracker] [bug #48429] gridcolor, minorgridcolor properties not implemented for OpenGL toolkits

[Rik]

Follow-up Comment #3, bug #48429 (project octave):

The "gridcolor" and "minorgridcolor" work for me.  The "gridalpha" doesn't
seem to effect anything.  I tried turning on the grid and then using 


set (gca, "gridalpha", 0);  # completely transparent
set (gca, "gridalpha", 1);  # completely opaque


but I didn't see a difference.

Also, it seems that we draw the grid over the axes line sometimes.

Can someone with access to Matlab run these commands?


plot (1:10)
grid on
set (gca, 'gridcolor', 'r')
set (gca, 'xcolor', 'b', 'ycolor', 'g')


In Octave, all lines are red because the grid is covering the axes box.  If
Matlab exposes the axes, then the solution will be to change the calculation
of the tick locations in gl-render.cc that we pass to the render_grid
function. 


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