#include <processor.h>
Inheritance diagram for EMAN::ModelEMCylinderProcessor:
Public Member Functions | |
void | process_inplace (EMData *in) |
To process an image in-place. | |
string | get_name () const |
Get the processor's name. | |
string | get_desc () const |
Get the descrition of this specific processor. | |
virtual TypeDict | get_param_types () const |
Get processor parameter information in a dictionary. | |
Static Public Member Functions | |
Processor * | NEW () |
Static Public Attributes | |
const string | NAME = "math.model_em_cylinder" |
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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 6907 of file processor.h. 06908 { 06909 return "Adds a cylinder with a radial density profile similar to that of an alpha helix."; 06910 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 6897 of file processor.h. 06898 {
06899 return NAME;
06900 }
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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 6912 of file processor.h. References EMAN::TypeDict::put(). 06913 { 06914 TypeDict d; 06915 d.put("type", EMObject::INT, "Radial profile of density method, defaults to 2: 0 = pure Gaussian falloff; 1 = Gaussian falloff + dip, so mean is zero; 2 = polynomial fitting of real helix density"); 06916 d.put("length", EMObject::FLOAT, "cylinder length in angstroms, defaults to 3 turns (16.2 Angstroms)"); 06917 d.put("x0", EMObject::INT, "x coordinate in pixels for the midpoint of the cylinder's axis, defaults to center of map"); 06918 d.put("y0", EMObject::INT, "y coordinate in pixels for the midpoint of the cylinder's axis, defaults to center of map"); 06919 d.put("z0", EMObject::INT, "z coordinate in pixels for the midpoint of the cylinder's axis, defaults to center of map"); 06920 //TODO: Check with Matt Baker about description strings 06921 return d; 06922 }
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Definition at line 6902 of file processor.h. 06903 { 06904 return new ModelEMCylinderProcessor(); 06905 }
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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 9696 of file processor.cpp. References EMAN::EMData::get_attr(), EMAN::EMData::get_data(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), nx, ny, EMAN::ModelHelixProcessor::radprofile(), EMAN::Dict::set_default(), x, and y. 09697 : modified from EMAN1 Cylinder.C by Wen Jiang 09698 { 09699 // synthesize model alpha helix, len is Angstrom, default to 2 turns 09700 //The helical axis is parallel to the z axis. 09701 EMData * cyl = in; 09702 int nx = cyl->get_xsize(); 09703 int ny = cyl->get_ysize(); 09704 int nz = cyl->get_zsize(); 09705 09706 int type = params.set_default("type", 2); 09707 float len = params.set_default("length", 16.2f); //in angstroms 09708 int x0 = params.set_default("x0", -1); //in voxels -- default value changed a few lines down 09709 int y0 = params.set_default("y0", -1); //in voxels 09710 int z0 = params.set_default("z0", -1); //in voxels 09711 //TODO: check with Matt about default values 09712 09713 if (x0 < 0 || x0 >= nx) 09714 x0 = nx / 2; 09715 if (y0 < 0 || y0 >= ny) 09716 y0 = ny / 2; 09717 if (z0 < 0 || z0 >= nz) 09718 z0 = nz / 2; 09719 09720 float apix_x = cyl->get_attr("apix_x"); //TODO: Ask Matt if I correctly handled cases where apix_x != apix_y or apix_x != apix_z are not equal 09721 float apix_y = cyl->get_attr("apix_y"); 09722 float apix_z = cyl->get_attr("apix_z"); 09723 09724 float * dat = cyl->get_data(); 09725 int cyl_voxel_len = (int) (len / apix_z); 09726 int cyl_k_min = z0 - cyl_voxel_len / 2; 09727 int cyl_k_max = z0 + cyl_voxel_len / 2; 09728 09729 int x, y; 09730 for (int k = 0; k < nz; ++k) { 09731 for (int j = 0; j < ny; ++j) { 09732 for (int i = 0; i < nx; ++i, ++dat) { 09733 x = i - x0;//coordinate sys centered on cylinder 09734 y = j - y0;//coordinate sys centered on cylinder 09735 float radius = (float)hypot(x * apix_x, y * apix_y); 09736 if ((k > cyl_k_min) && (k < cyl_k_max)) 09737 *dat += radprofile(radius, type); //pointer arithmetic for array done in loop 09738 //else 09739 //continue; 09740 09741 } 09742 } 09743 } 09744 }
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Definition at line 217 of file processor.cpp. |