#include <processor.h>
Inheritance diagram for EMAN::LinearPyramidProcessor:


Public Member Functions | |
| string | get_name () const |
| Get the processor's name. | |
| void | process_inplace (EMData *image) |
| To process an image in-place. | |
| string | get_desc () const |
| Get the descrition of this specific processor. | |
Static Public Member Functions | |
| Processor * | NEW () |
Static Public Attributes | |
| const string | NAME = "math.linearpyramid" |
Definition at line 2697 of file processor.h.
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Get the descrition of this specific processor. This function must be overwritten by a subclass.
Implements EMAN::Processor. Definition at line 2712 of file processor.h. 02713 {
02714 return "Multiplies image by a 'linear pyramid', 1-(|x-xsize/2|*|y-ysize/2|*4/(xsize*ysize))";
02715 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 2700 of file processor.h. 02701 {
02702 return NAME;
02703 }
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Definition at line 2707 of file processor.h. 02708 {
02709 return new LinearPyramidProcessor();
02710 }
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To process an image in-place. For those processors which can only be processed out-of-place, override this function to just print out some error message to remind user call the out-of-place version.
Implements EMAN::Processor. Definition at line 1090 of file processor.cpp. References abs, EMAN::EMData::get_data(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), ImageDimensionException, nx, ny, EMAN::EMData::update(), x, and y. 01090 {
01091
01092 if (image->get_zsize()!=1) { throw ImageDimensionException("Only 2-D images supported"); }
01093
01094 float *d=image->get_data();
01095 int nx=image->get_xsize();
01096 int ny=image->get_ysize();
01097
01098 for (int y=0; y<ny; y++) {
01099 for (int x=0; x<nx; x++) {
01100 int l=x+y*nx;
01101 d[l]*=1.0f-abs(x-nx/2)*abs(y-ny/2)*4.0f/(nx*ny);
01102 }
01103 }
01104 image->update();
01105 }
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Definition at line 116 of file processor.cpp. |
1.3.9.1