On Fri, 23 Feb 2007 18:19:16 -0700 "Adam Ginsburg" <[EMAIL PROTECTED]> wrote:
>I'm working on some code to project images into a data cube. The >images are at different position angles that intersect through a >point, so in the end I should have a few thin slices through the cube >which I plan on interpolating through. > >My problem is, I can't think of a way to use piddles properly in this >context, the only method I've come up with is going through point by >point and projecting the point into a new location (or, in one >variety, splitting each point into a few cells). This seems to be >pretty inefficient and takes forever, even though as far as I can tell >I shouldn't be doing more than 65536*30, give or take, assignment, >slice, and multiplication operations on face. Is slicing each point >very inefficient? Maybe it's the excessive assignments, since some >are 2d. Any tips would be appreciated. > >Thanks, >Adam If I understand your question correctly, you can try making 2d images of your points, then map the images into the cube by assigning their vertices. There are ways to do this, without creating temporary 2d image files, see the response to the link below, but it requires the latest CVS version of PDL. See: http://perlmonks.org?node_id=591731 zentara -- I'm not really a human, but I play one on earth. http://zentara.net/japh.html _______________________________________________ Perldl mailing list [email protected] http://mailman.jach.hawaii.edu/mailman/listinfo/perldl
