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


Public Member Functions | |
| string | get_name () const |
| Get the processor's name. | |
| string | get_desc () const |
| Get the descrition of this specific processor. | |
| void | process_inplace (EMData *image) |
| To process an image in-place. | |
Static Public Member Functions | |
| Processor * | NEW () |
Static Public Attributes | |
| const string | NAME = "normalize.rows" |
Definition at line 4343 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 4356 of file processor.h. 04357 {
04358 return "normalizes each row in the image individually";
04359 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 4346 of file processor.h. 04347 {
04348 return NAME;
04349 }
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Definition at line 4351 of file processor.h. 04352 {
04353 return new NormalizeRowProcessor();
04354 }
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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 3724 of file processor.cpp. References EMAN::EMData::get_data(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), LOGERR, LOGWARN, nx, ny, rdata, row_sum(), EMAN::EMData::update(), x, and y. 03725 {
03726 if (!image) {
03727 LOGWARN("NULL Image");
03728 return;
03729 }
03730
03731 if (image->get_zsize() > 1) {
03732 LOGERR("row normalize only works for 2D image");
03733 return;
03734 }
03735
03736 float *rdata = image->get_data();
03737 int nx = image->get_xsize();
03738 int ny = image->get_ysize();
03739
03740 for (int y = 0; y < ny; y++) {
03741 double row_sum = 0;
03742 for (int x = 0; x < nx; x++) {
03743 row_sum += rdata[x + y * nx];
03744 }
03745
03746 double row_mean = row_sum / nx;
03747 if (row_mean <= 0) {
03748 row_mean = 1;
03749 }
03750
03751 for (int x = 0; x < nx; x++) {
03752 rdata[x + y * nx] /= (float)row_mean;
03753 }
03754 }
03755
03756 image->update();
03757 }
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Definition at line 158 of file processor.cpp. |
1.3.9.1