IMPEM2D_BEGIN_NAMESPACE
em2d::Images get_projections(const ParticlesTemp &ps,
const algebra::SphericalVector3Ds &vs, int rows,
int cols, const ProjectingOptions &options,
Strings names) {
IMP_LOG_VERBOSE("Generating projections from spherical vectors" << std::endl);
unsigned long n_projs = vs.size();
RegistrationResults registration_values(n_projs);
for (unsigned long i = 0; i < n_projs; ++i) {
algebra::Rotation3D R =
em2d::internal::get_rotation_from_projection_direction(vs[i]);
algebra::Vector2D shift(0.0, 0.0);
RegistrationResult rr(R, shift);
registration_values[i] = rr;
}
return get_projections(ps, registration_values, rows, cols, options, names);
}
//! process the options of the parameter --proj_dist and return a set of
//! projection values. n_projections is the number of requested projections
em2d::RegistrationResults get_registration_values(
const std::vector<str> &proj_dist_opt,
const unsigned int n_projections) {
em2d::RegistrationResults registration_values(n_projections);
str distribution_type = proj_dist_opt[0];
if(distribution_type == "unif" ) {
// Generate uniform distribution of projection directions
registration_values =
em2d::get_evenly_distributed_registration_results(n_projections);
} else if(distribution_type == "rand" ) {
// Generate random distribution of projections
registration_values=em2d::get_random_registration_results(n_projections);
} else if(distribution_type == "read") {
// Read the file of with the parameters for the requested projections
registration_values=em2d::read_registration_results(proj_dist_opt[1]);
}
return registration_values;
}