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Use multiple argument boolean operands for IfcOpeningElement subtractions

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This commit is contained in:
aothms
2016-01-25 13:30:33 +01:00
parent 4be7da1a43
commit 801c7da40f
2 changed files with 110 additions and 14 deletions
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src/ifcconvert/IfcConvert.cpp
+11
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@@ -44,6 +44,7 @@
#include "../ifcconvert/SvgSerializer.h"
#include <IGESControl_Controller.hxx>
#include <Standard_Version.hxx>
static std::string DEFAULT_EXTENSION = "obj";
@@ -123,11 +124,17 @@ int main(int argc, char** argv) {
"This is a potentially time consuming operation, but guarantees a "
"consistent orientation of surface normals, even if the faces are not "
"properly oriented in the IFC file.")
#if OCC_VERSION_HEX < 0x60900
// In Open CASCADE version prior to 6.9.0 boolean operations with multiple
// arguments where not introduced yet and a work-around was implemented to
// subtract multiple openings as a single compound. This hack is obsolete
// for newer versions of Open CASCADE.
("merge-boolean-operands",
"Specifies whether to merge all IfcOpeningElement operands into a single "
"operand before applying the subtraction operation. This may "
"introduce a performance improvement at the risk of failing, in "
"which case the subtraction is applied one-by-one.")
#endif
("disable-opening-subtractions",
"Specifies whether to disable the boolean subtraction of "
"IfcOpeningElement Representations from their RelatingElements.")
@@ -179,7 +186,9 @@ int main(int argc, char** argv) {
const bool use_world_coords = vmap.count("use-world-coords") != 0;
const bool convert_back_units = vmap.count("convert-back-units") != 0;
const bool sew_shells = vmap.count("sew-shells") != 0;
#if OCC_VERSION_HEX < 0x60900
const bool merge_boolean_operands = vmap.count("merge-boolean-operands") != 0;
#endif
const bool disable_opening_subtractions = vmap.count("disable-opening-subtractions") != 0;
bool include_entities = vmap.count("include") != 0;
const bool include_plan = vmap.count("plan") != 0;
@@ -257,7 +266,9 @@ int main(int argc, char** argv) {
settings.set(IfcGeom::IteratorSettings::WELD_VERTICES, weld_vertices);
settings.set(IfcGeom::IteratorSettings::SEW_SHELLS, sew_shells);
settings.set(IfcGeom::IteratorSettings::CONVERT_BACK_UNITS, convert_back_units);
#if OCC_VERSION_HEX < 0x60900
settings.set(IfcGeom::IteratorSettings::FASTER_BOOLEANS, merge_boolean_operands);
#endif
settings.set(IfcGeom::IteratorSettings::DISABLE_OPENING_SUBTRACTIONS, disable_opening_subtractions);
settings.set(IfcGeom::IteratorSettings::INCLUDE_CURVES, include_plan);
settings.set(IfcGeom::IteratorSettings::EXCLUDE_SOLIDS_AND_SURFACES, !include_model);