RE: [Matplotlib-users] who's in front

[Perry G. <pe...@st...>]

John Hunter wrote:

> Earlier the subject of how to draw ticks and grids for image data was
> brought up.  The problem was that images obscure the ticks.  This can
> be fixed by drawing the ticks after the rest of the axes.  The
> question I am considering now is whether the grids should also be
> drawn last.  This applies to image and non image axes.  If, on a line
> plot or bar plot, should the grids be in front of or behind your data?
> 
> Another possibility would be to put the grids in front with a semi
> transparent alpha, so you could see your data through them.  Of
> course, on backends like postscript which don't have an alpha channel,
> this wouldn't work.
> 
> Any preferences?
> 
For images the grid should definitely be drawn after the image
is displayed (I'm having trouble thinking of anything that
shouldn't be done over an image). For line plots, grids
should go behind the data imho.

Perry