On 11/22/2010 05:59 AM, Ofnuts wrote: > On 11/22/2010 02:24 PM, bioster wrote: ... elisions by patrick ... >> Er, I think you misunderstood me a bit. I believe I understand what >> the convolution matrix is, and I also understand why it's important. Yes, >> the entire purpose of the convolution matrix is to look at neighbouring >> pixels to create the pixel you're looking for, but that is not what I was >> talking about when I said '50 samples'. >> >> In the code which *creates* the convolution matrix it does not look at the >> pixels at all. It creates the convolution matrix using an equation. I >> would think that it would simply plug in the variables for each convolution >> matrix value it's looking for, but what it is actually doing is taking 50 >> numbers and plugs those into the equation, then averages them. >> >> Just to repeat, this is in the part that creates the convolution matrix, not >> the part that uses the convolution matrix to generate pixel values. I was >> wondering about the purpose of all those samples along the equation that >> generates the matrix. >> >> > From the comments in the code, it looks like it's computing the > convolution matrix values by integrating the gaussian bell curve (using > 100 points total). Now I'm interested. Where can I look in the code for this? They really do this every time with the same results instead of just having an array of the numbers so generated?
Patrick _______________________________________________ Gimp-developer mailing list [email protected] https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer
