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59 lines
2.0 KiB
59 lines
2.0 KiB
#include <test_common.h>
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#include <catch2/catch.hpp>
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#include <igl/MshLoader.h>
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TEST_CASE("MshLoader","[igl]")
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{
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igl::MshLoader msh_loader(test_common::data_path("sphere_lowres_TMS_1-0001_Magstim_70mm_Fig8_nii_scalar.msh"));
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//
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// size of nodes - 3xNodes (x,y,z)
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//
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REQUIRE( msh_loader.get_nodes().size() == (398+4506)*3 );
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//
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// size of elements: number of triangles x 3
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// number of tetrahedra x 4
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//
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REQUIRE( msh_loader.get_elements().size() == (8988*3 + 25937*4) );
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// all these should have the same size
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REQUIRE( msh_loader.get_elements_lengths().size() == (8988 + 25937) );
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REQUIRE( msh_loader.get_elements_ids().size() == (8988 + 25937) );
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REQUIRE( msh_loader.get_elements_types().size() == (8988 + 25937) );
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// the test file should have identity map
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REQUIRE( msh_loader.is_element_map_identity() );
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// there should be 12 tags: 6 surface structures and 6 volume structures
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// index 1st structure tag: Volumes
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msh_loader.index_structures(1);
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REQUIRE( msh_loader.is_element_map_identity() );
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REQUIRE( msh_loader.get_structures().size() == 6+6 );
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// verify that all triangle elements have length of 3 and
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// tetrahedral elements have length 4
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for(auto t =msh_loader.get_structures().begin();
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t!=msh_loader.get_structures().end(); ++t )
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{
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REQUIRE(( t->el_type == igl::MshLoader::ELEMENT_TRI ||
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t->el_type == igl::MshLoader::ELEMENT_TET ));
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auto element_range = msh_loader.get_structure_index().equal_range(*t);
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for(auto e=element_range.first; e != element_range.second; ++e)
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{
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if( t->el_type == igl::MshLoader::ELEMENT_TRI )
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{
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REQUIRE( msh_loader.get_elements_lengths()[e->second] == 3 );
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} else {
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// t->first.el_type==MshLoader::ELEMENT_TET
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REQUIRE( msh_loader.get_elements_lengths()[e->second] == 4 );
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}
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}
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}
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}
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