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2010-09-19 15:45:43 +0200 | asked a question | Importing saved 3d plot Hi everyone, I generated a bunch of 3d plots to produce an animation and I saved them both as png and sobj files, because I wanted to keep the objects for later manipulations. However, when loading back an sobj file, I find them to be unusable. More precesily, p=plot3d(lambda x1,y1: h(t0,x1,y1), (-5,5),(-5,5),plot_points=100); #t0 fixed and h(t,x,y) a procedure returns the error NotImplementedError: You must override the get_grid method. while the png image files get correctly generated. There is no mention of this kind of error in the Plot3D doc, except for parametric surfaces http://www.sagemath.org/doc/reference... where it is mentioned that get___grid should indeed be overriden for subclasses of parametric_surface. Any idea why this error shows up only after importing the object ? Many thanks, Benhuard |