Changeset 26762 for branches/eam_branches/20091201/psLib/src/imageops/psImageConvolve.h

Timestamp:

Feb 2, 2010, 11:45:40 AM (16 years ago)

Author:

Paul Price

Message:

Adding function, psKernelTruncate, to truncate a kernel so as to lose less than some nominated fraction of the total absolute flux.

File:

• branches/eam_branches/20091201/psLib/src/imageops/psImageConvolve.h (modified) (1 diff)

branches/eam_branches/20091201/psLib/src/imageops/psImageConvolve.h

@@ -138 +138 @@
 );
 
+/// Truncate a kernel
+///
+/// Truncates the outer parts of the kernel where the contribution is below the nominated fraction of the
+/// total kernel.
+bool psKernelTruncate(
+    psKernel *in,                       ///< Kernel to be truncated
+    float frac                          ///< Fraction for truncation threshold
+    );
+
+
 /// Convolve an image with a kernel, using a direct convolution
 ///