mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-10 01:41:57 +00:00
Thomas Krijnen
99 lines
3.7 KiB
C++
99 lines
3.7 KiB
C++
/********************************************************************************
|
|
* *
|
|
* This file is part of IfcOpenShell. *
|
|
* *
|
|
* IfcOpenShell is free software: you can redistribute it and/or modify *
|
|
* it under the terms of the Lesser GNU General Public License as published by *
|
|
* the Free Software Foundation, either version 3.0 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* IfcOpenShell is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* Lesser GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the Lesser GNU General Public License *
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
|
|
* *
|
|
********************************************************************************/
|
|
|
|
#include <gp_Trsf2d.hxx>
|
|
#include "../ifcgeom/IfcGeom.h"
|
|
|
|
#define Kernel MAKE_TYPE_NAME(Kernel)
|
|
|
|
bool IfcGeom::Kernel::convert(const IfcSchema::IfcLShapeProfileDef* l, TopoDS_Shape& face) {
|
|
const bool hasSlope = !!l->LegSlope();
|
|
const bool doEdgeFillet = !!l->EdgeRadius();
|
|
const bool doFillet = !!l->FilletRadius();
|
|
|
|
const double y = l->Depth() / 2.0f * getValue(GV_LENGTH_UNIT);
|
|
const double x = l->Width().get_value_or(l->Depth()) / 2.0f * getValue(GV_LENGTH_UNIT);
|
|
const double d = l->Thickness() * getValue(GV_LENGTH_UNIT);
|
|
const double slope = l->LegSlope().get_value_or(0.) * getValue(GV_PLANEANGLE_UNIT);
|
|
|
|
double f1 = 0.0f;
|
|
double f2 = 0.0f;
|
|
if (doFillet) {
|
|
f1 = *l->FilletRadius() * getValue(GV_LENGTH_UNIT);
|
|
}
|
|
if ( doEdgeFillet) {
|
|
f2 = *l->EdgeRadius() * getValue(GV_LENGTH_UNIT);
|
|
}
|
|
|
|
if ( x < ALMOST_ZERO || y < ALMOST_ZERO || d < ALMOST_ZERO ) {
|
|
Logger::Message(Logger::LOG_NOTICE,"Skipping zero sized profile:",l);
|
|
return false;
|
|
}
|
|
|
|
double xx = -x+d;
|
|
double xy = -y+d;
|
|
double dy1 = 0.;
|
|
double dy2 = 0.;
|
|
double dx1 = 0.;
|
|
double dx2 = 0.;
|
|
if (hasSlope) {
|
|
dy1 = tan(slope) * x;
|
|
dy2 = tan(slope) * (x - d);
|
|
dx1 = tan(slope) * y;
|
|
dx2 = tan(slope) * (y - d);
|
|
|
|
const double x1s = x; const double y1s = -y + d - dy1;
|
|
const double x1e = -x + d; const double y1e = -y + d + dy2;
|
|
const double x2s = -x + d - dx1; const double y2s = y;
|
|
const double x2e = -x + d + dx2; const double y2e = -y + d;
|
|
|
|
const double a1 = y1e - y1s;
|
|
const double b1 = x1s - x1e;
|
|
const double c1 = a1*x1s + b1*y1s;
|
|
|
|
const double a2 = y2e - y2s;
|
|
const double b2 = x2s - x2e;
|
|
const double c2 = a2*x2s + b2*y2s;
|
|
|
|
const double det = a1*b2 - a2*b1;
|
|
|
|
if (ALMOST_THE_SAME(det, 0.)) {
|
|
Logger::Message(Logger::LOG_NOTICE, "Legs do not intersect for:",l);
|
|
return false;
|
|
}
|
|
|
|
xx = (b2*c1 - b1*c2) / det;
|
|
xy = (a1*c2 - a2*c1) / det;
|
|
}
|
|
|
|
gp_Trsf2d trsf2d;
|
|
bool has_position = true;
|
|
#ifdef SCHEMA_IfcParameterizedProfileDef_Position_IS_OPTIONAL
|
|
has_position = l->Position() != nullptr;
|
|
#endif
|
|
if (has_position) {
|
|
IfcGeom::Kernel::convert(l->Position(), trsf2d);
|
|
}
|
|
|
|
double coords[12] = {-x,-y, x,-y, x,-y+d-dy1, xx, xy, -x+d-dx1,y, -x,y};
|
|
int fillets[3] = {2,3,4};
|
|
double radii[3] = {f2,f1,f2};
|
|
return profile_helper(6,coords,doFillet ? 3 : 0,fillets,radii,trsf2d,face);
|
|
}
|