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


Public Member Functions | |
| virtual string | get_name () const |
| Get the processor's name. | |
| virtual EMData * | process (const EMData *const image) |
| virtual void | process_inplace (EMData *) |
| virtual TypeDict | get_param_types () const |
| Get processor parameter information in a dictionary. | |
| string | get_desc () const |
| Get the descrition of this specific processor. | |
Static Public Member Functions | |
| Processor * | NEW () |
Static Public Attributes | |
| const string | NAME = "misc.directional_sum" |
| direction | The direction of the sum, either x,y or z |
Definition at line 5443 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 5477 of file processor.h. 05478 {
05479 return "Calculates the projection of the image along one of the axial directions, either x, y or z";
05480 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 5446 of file processor.h. 05447 {
05448 return NAME;
05449 }
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Get processor parameter information in a dictionary. Each parameter has one record in the dictionary. Each record contains its name, data-type, and description.
Reimplemented from EMAN::Processor. Definition at line 5468 of file processor.h. References EMAN::TypeDict::put(). 05469 {
05470 TypeDict d;
05471 d.put("axis", EMObject::STRING,"The direction of the sum, either x,y or z. Returned axes are xy, xz or zy.");
05472 d.put("first", EMObject::INT,"The first position along the speficied axis to use in the sum. Neg val -> nx/y/z+first (default=0)");
05473 d.put("last", EMObject::INT,"The last position along the speficied axis to use in the sum. Neg val -> nx/y/z+last (default=-1)");
05474 return d;
05475 }
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Definition at line 5451 of file processor.h. 05452 {
05453 return new DirectionalSumProcessor();
05454 }
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Reimplemented from EMAN::Processor. Definition at line 6624 of file processor.cpp. References EMAN::EMData::get_value_at(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), InvalidParameterException, nx, ny, EMAN::Dict::set_default(), EMAN::EMData::set_size(), EMAN::EMData::set_value_at(), EMAN::EMData::update(), x, and y. 06624 {
06625 string dir = params.set_default("axis", "");
06626 if ( dir == "" || ( dir != "x" && dir != "y" && dir != "z" ) )
06627 throw InvalidParameterException("The direction parameter must be either x, y, or z");
06628
06629 int nx = image->get_xsize();
06630 int ny = image->get_ysize();
06631 int nz = image->get_zsize();
06632
06633 int a0 = params.set_default("first", 0);
06634 int a1 = params.set_default("last", -1);
06635
06636 EMData* ret = new EMData;
06637 // compress one of the dimensions
06638 if ( dir == "x" ) {
06639 ret->set_size(nz,ny);
06640
06641 // bounds checks
06642 if (a0<0) a0+=nx;
06643 if (a1<0) a1+=nx;
06644 if (a0<0) a0=0;
06645 if (a1<0) a1=0;
06646 if (a0>=nx) a0=nx-1;
06647 if (a1>=nx) a1=nx-1;
06648
06649 for (int y=0; y<ny; y++) {
06650 for (int z=0; z<nz; z++) {
06651 double sum=0.0;
06652 for (int x=a0; x<=a1; x++) sum+=image->get_value_at(x,y,z);
06653 ret->set_value_at(z,y,(float)sum);
06654 }
06655 }
06656 }
06657 else if ( dir == "y" ) {
06658 ret->set_size(nx,nz);
06659
06660 // bounds checks
06661 if (a0<0) a0+=ny;
06662 if (a1<0) a1+=ny;
06663 if (a0<0) a0=0;
06664 if (a1<0) a1=0;
06665 if (a0>=ny) a0=ny-1;
06666 if (a1>=ny) a1=ny-1;
06667
06668 for (int x=0; x<nx; x++) {
06669 for (int z=0; z<nz; z++) {
06670 double sum=0.0;
06671 for (int y=a0; y<=a1; y++) sum+=image->get_value_at(x,y,z);
06672 ret->set_value_at(x,z,(float)sum);
06673 }
06674 }
06675 }
06676 else if ( dir == "z" ) {
06677 ret->set_size(nx,ny);
06678
06679 // bounds checks
06680 if (a0<0) a0+=nz;
06681 if (a1<0) a1+=nz;
06682 if (a0<0) a0=0;
06683 if (a1<0) a1=0;
06684 if (a0>=nz) a0=nz-1;
06685 if (a1>=nz) a1=nz-1;
06686
06687 for (int y=0; y<ny; y++) {
06688 for (int x=0; x<nx; x++) {
06689 double sum=0.0;
06690 for (int z=a0; z<=a1; z++) sum+=image->get_value_at(x,y,z);
06691 ret->set_value_at(x,y,(float)sum);
06692 }
06693 }
06694 }
06695
06696 ret->update();
06697 return ret;
06698 }
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Implements EMAN::Processor. Definition at line 5464 of file processor.h. References InvalidCallException. 05464 {
05465 throw InvalidCallException("The directional sum processor does not work inplace");
05466 }
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Definition at line 186 of file processor.cpp. |
1.3.9.1