Remove White Space When Plotting

Question

The following generates an image.

 from dolfin import *
 mesh_obj = UnitSquareMesh( 20,20 )
 V = FunctionSpace( mesh_obj, "CG", 1 )
 v = Function( V )

plot( v, mode = "color", scalarbar = False ).write_png( "something" )

This plot has white space around the object being plotted. Setting the parameters window_height, window width just rescales everything, including the white space. Can I get rid of the white space? I want to use the images in a paper and I don't want to waste too much space.

Thanks!!!

Answer 1

The VTKPlotter object returned by plot has a zoom method which you can use to zoom into the image, which might help reduce the amount of white space you have:

plotter = plot(u, window_height=500, window_width=700)
plotter.zoom(1.5) # zoom into the image a bit to reduce white space
plotter.write_png("image") # save image

This might require a bit of trial-and-error to figure out the right parameters though.

Alternatively, depending on your image, it might be more convenient to crop out the white space using image editing software (there are automated utilities such as ImageMagick which can do batch trimming of white space).

Comments

AWESOME!!! Thank you!