mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-18 19:30:25 +00:00
Thomas Krijnen
100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
#ifndef CONVERSIONSETTINGS_H
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#define CONVERSIONSETTINGS_H
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#include <array>
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#include <limits>
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#include <string>
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#include "ifc_geom_api.h"
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namespace ifcopenshell {
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namespace geometry {
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class IFC_GEOM_API ConversionSettings {
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public:
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// Tolerances and settings for various geometrical operations:
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enum GeomValue {
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// Specifies the deflection of the mesher
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// Default: 0.001m / 1mm
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GV_DEFLECTION_TOLERANCE,
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// Specifies the minimal area of a face to be included in an IfcConnectedFaceset
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// Read-only
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GV_MINIMAL_FACE_AREA,
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// Specifies the threshold distance under which cartesian points are deemed equal
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// Read-only
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GV_POINT_EQUALITY_TOLERANCE,
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// Specifies maximum number of faces for a shell to be reoriented.
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// Default: -1
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GV_MAX_FACES_TO_ORIENT,
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// The length unit used the creation of TopoDS_Shapes, primarily affects the
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// interpretation of IfcCartesianPoints and IfcVector magnitudes
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// DefaultL 1.0
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GV_LENGTH_UNIT,
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// The plane angle unit used for the creation of TopoDS_Shapes, primarily affects
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// the interpretation of IfcParamaterValues of IfcTrimmedCurves
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// Default: -1.0 (= not set, fist try degrees, then radians)
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GV_PLANEANGLE_UNIT,
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// The precision used in boolean operations, setting this value too low results
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// in artefacts and potentially modelling failures
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// Default: 0.00001 (obtained from IfcGeometricRepresentationContext if available)
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GV_PRECISION,
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// Whether to process shapes of type Face or higher (1) Wire or lower (-1) or all (0)
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GV_DIMENSIONALITY,
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GV_LAYERSET_FIRST,
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GV_DISABLE_BOOLEAN_RESULT,
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GV_NO_WIRE_INTERSECTION_CHECK,
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GV_PRECISION_FACTOR,
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GV_NO_WIRE_INTERSECTION_TOLERANCE,
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GV_DEBUG_BOOLEAN,
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GV_BOOLEAN_ATTEMPT_2D,
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NUM_SETTINGS
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};
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void setValue(GeomValue var, double value);
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double getValue(GeomValue var) const;
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private:
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std::array<double, NUM_SETTINGS> values_ = {
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/* deflection_tolerance = */ 0.001,
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// @todo make sure these 'read-only' variables work.
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/* minimal_face_area = */ std::numeric_limits<double>::quiet_NaN(),
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/* max_faces_to_orient = */ -1.0,
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/* ifc_length_unit = */ 1.0,
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/* ifc_planeangle_unit = */ -1.0,
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/* modelling_precision = */ 0.00001,
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/* dimensionality = */ 1.,
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/* layerset_first = */ -1.,
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/* disable_boolean_result = */ -1.
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/* no_wire_intersection_check = */ -1.,
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/* precision_factor = */ 10.,
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/* no_wire_intersection_tolerance = */ -1.,
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/* boolean_debug_setting = */ -1.,
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/* boolean_attempt_2d = */ 1.
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};
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};
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}
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}
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// @todo find a place
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namespace IfcGeom {
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class IFC_GEOM_API geometry_exception : public std::exception {
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protected:
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std::string message;
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public:
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geometry_exception(const std::string& m)
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: message(m) {}
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virtual ~geometry_exception() throw () {}
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virtual const char* what() const throw() {
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return message.c_str();
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}
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};
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class IFC_GEOM_API too_many_faces_exception : public geometry_exception {
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public:
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too_many_faces_exception()
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: geometry_exception("Too many faces for operation") {}
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};
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}
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#endif
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