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#include <iostream>
#include <gmsh.h>
int main(int argc, char **argv)
{
gmsh::initialize();
// Copied from discrete.cpp...
gmsh::model::add("test");
gmsh::model::addDiscreteEntity(2, 1);
gmsh::model::mesh::addNodes(2, 1, {1, 2, 3, 4},
{0., 0., 0., 1., 0., 0., 1., 1., 0., 0., 1., 0.});
gmsh::model::mesh::addElements(2, 1, {2}, {{1, 2}}, {{1, 2, 3, 1, 3, 4}});
// ... end of copy
// create a view with some data
int t = gmsh::view::add("some data");
gmsh::view::addModelData(t, 0, "test", "NodeData", {1, 2, 3, 4},
{{1.}, {10.}, {20.}, {1.}});
// test getting data back
std::string dataType;
std::vector<std::size_t> tags;
std::vector<std::vector<double> > data;
double time;
int numComp;
gmsh::view::getModelData(t, 0, dataType, tags, data, time, numComp);
std::cout << dataType;
for(unsigned int i = 0; i < tags.size(); i++) std::cout << " " << tags[i];
std::cout << std::endl;
// compute the iso-curve at value 11
gmsh::plugin::setNumber("Isosurface", "Value", 11.);
gmsh::plugin::run("Isosurface");
// delete the source view
gmsh::view::remove(t);
// check how many views the plugin created (a priori, a single list-based one)
std::vector<int> viewTags;
gmsh::view::getTags(viewTags);
if(viewTags.size() == 1) {
gmsh::view::write(viewTags[0], "iso.msh");
// test getting data back
std::vector<std::string> dataTypes;
std::vector<int> numElements;
gmsh::view::getListData(viewTags[0], dataTypes, numElements, data);
for(unsigned int i = 0; i < dataTypes.size(); i++)
std::cout << dataTypes[i] << " ";
for(unsigned int i = 0; i < numElements.size(); i++)
std::cout << numElements[i] << " ";
std::cout << std::endl;
}
gmsh::finalize();
return 0;
}
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