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add parameter for setting the output unit #9

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add parameter for setting the output unit #9

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9e7d7d3
add parameter for setting the output unit
jmairboeck Mar 10, 2022
cd328bc
formatting
jmairboeck Mar 10, 2022
85b66c7
* add supported units to the help string for the --unit option
jmairboeck Mar 14, 2022
d39496e
clarify that the linear deflection is given in the specified unit
jmairboeck Mar 15, 2022
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27 changes: 25 additions & 2 deletions src/STEPToMesh.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,8 @@
#include <BRepMesh_IncrementalMesh.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <StlAPI_Writer.hxx>
#include <XSAlgo.hxx>
#include <Interface_Static.hxx>
#include <vector>
#include <cmath>
#include <iostream>
Expand Down Expand Up @@ -128,19 +130,40 @@ void write(const std::string& outFile, const std::vector<NamedSolid>& namedSolid
if (!writer.Write(compound, outFile.c_str())) throw std::logic_error{std::string{"Could not write '"} + outFile + "'"};
}

std::string str_toupper(std::string s) {
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Do we even need this? Or should we only support unit names in upper case?

std::transform(s.begin(), s.end(), s.begin(), [](unsigned char c) { return std::toupper(c); } );
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return s;
}

int main(int argc, char* argv[]) {
XSAlgo::Init();
Standard_Integer unitsStart, unitsEnd;
Standard_Boolean unitsMatch;
auto units{Interface_Static::Static("xstep.cascade.unit")};
units->EnumDef(unitsStart, unitsEnd, unitsMatch);
std::string unitDesc{"Output unit (one of "};
for (auto i = unitsStart; i <= unitsEnd; i++) {
if (i > unitsStart) unitDesc += ", ";
unitDesc += units->EnumVal(i);
}
unitDesc += ")";
cxxopts::Options options{"STEPToMesh", "STEP to triangle mesh conversion"};
options.add_options()
("i,in", "Input file", cxxopts::value<std::string>())
("o,out", "Output file", cxxopts::value<std::string>())
("f,format", "Output file format (stl_bin or stl_ascii)", cxxopts::value<std::string>()->default_value("stl_bin"))
("c,content", "List content (solids)")
("s,select", "Select solids by name or index (comma seperated list, index starts with 1)", cxxopts::value<std::vector<std::string>>())
("l,linear", "Linear deflection", cxxopts::value<double>())
("s,select", "Select solids by name or index (comma separated list, index starts with 1)", cxxopts::value<std::vector<std::string>>())
("l,linear", "Linear deflection (in the unit given by --unit)", cxxopts::value<double>())
("a,angular", "Angular deflection (degrees)", cxxopts::value<double>())
("u,unit", unitDesc, cxxopts::value<std::string>()->default_value("MM"))
("h,help", "Print usage");
try {
const auto result = options.parse(argc, argv);
if (result.count("unit")) {
const auto unit{str_toupper(result["unit"].as<std::string>())};
if (!units->SetCStringValue(unit.c_str())) throw std::logic_error{std::string{"Could not set unit '"} + unit + "'"};
}
if (result.count("content")) {
if (result.count("in")) {
const std::string inFile = result["in"].as<std::string>();
Expand Down