attachment:xcoord.png

attachment:ycoord.png

 e.process_inplace("testimage.gradient")

 e.process_inplace("testimage.gradient", {'axis','y'}) 

attachment:axes.png

attachment:circle.png

 e.process_inplace("testimage.axes")

 e.process_inplace("testimage.circlesphere") 

attachment:scurve.png

attachment:gaussnoise_large.png

 e.process_inplace("testimage.scurve")

 e.process_inplace("testimage.noise.gauss")