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tiglMakeLoft.cpp
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tiglMakeLoft.cpp
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/*
* Copyright (C) 2007-2013 German Aerospace Center (DLR/SC)
*
* Created: 2015-05-13 Tobias Stollenwerk <Tobias.Stollenwerk@dlr.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "test.h"
#include "tigl.h"
#include "CTiglMakeLoft.h"
#include "CTiglError.h"
#include "CCPACSConfigurationManager.h"
#include <BRep_Builder.hxx>
#include <BRepTools.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <Geom_BSplineCurve.hxx>
#include <TopoDS.hxx>
#include <GeomConvert.hxx>
#include <TopoDS_Edge.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeWire.hxx>
#include <fstream>
using std::ifstream;
TEST(makeLoft, nacelleInverted)
{
TopoDS_Shape guides;
BRep_Builder b;
ifstream in;
in.open("TestData/guideCurvePatch_nacelleGuidesInverted.brep");
BRepTools::Read(guides, in, b);
in.close();
TopoDS_Shape profiles;
in.open("TestData/guideCurvePatch_nacelleProfiles.brep");
BRepTools::Read(profiles, in, b);
in.close();
CTiglMakeLoft loftMaker;
loftMaker.addProfiles(profiles);
loftMaker.addGuides(guides);
loftMaker.setMakeSolid(false);
TopoDS_Shape loft = loftMaker.Shape();
ASSERT_FALSE(loft.IsNull());
ASSERT_EQ(TopAbs_SHELL, loft.ShapeType());
BRepTools::Write(loft, "TestData/export/makeLoft_nacellePatchesInverted.brep");
}
TEST(makeLoft, nacelleClosedInverted)
{
TopoDS_Shape guides;
BRep_Builder b;
ifstream in;
in.open("TestData/guideCurvePatch_nacelleGuidesInverted.brep");
BRepTools::Read(guides, in, b);
in.close();
TopoDS_Shape profiles;
in.open("TestData/guideCurvePatch_nacelleProfilesClosed.brep");
BRepTools::Read(profiles, in, b);
in.close();
CTiglMakeLoft loftMaker;
loftMaker.addProfiles(profiles);
loftMaker.addGuides(guides);
TopoDS_Shape loft = loftMaker.Shape();
ASSERT_FALSE(loft.IsNull());
ASSERT_EQ(TopAbs_SOLID, loft.ShapeType());
BRepTools::Write(loft, "TestData/export/makeLoft_nacellePatchesClosedInverted.brep");
}
TEST(makeLoft, nacelleClosed)
{
TopoDS_Shape guides;
BRep_Builder b;
ifstream in;
in.open("TestData/guideCurvePatch_nacelleGuides.brep");
BRepTools::Read(guides, in, b);
in.close();
TopoDS_Shape profiles;
in.open("TestData/guideCurvePatch_nacelleProfilesClosed.brep");
BRepTools::Read(profiles, in, b);
in.close();
CTiglMakeLoft loftMaker;
loftMaker.addProfiles(profiles);
loftMaker.addGuides(guides);
TopoDS_Shape loft = loftMaker.Shape();
ASSERT_FALSE(loft.IsNull());
ASSERT_EQ(TopAbs_SOLID, loft.ShapeType());
BRepTools::Write(loft, "TestData/export/makeLoft_nacellePatchesClosed.brep");
}
TEST(makeLoft, bug753)
{
/**
* The lofter should call an exception, as the number of wires
* is not equal
*/
BRep_Builder b;
CTiglMakeLoft loftMaker;
for (size_t i = 0; i < 4; ++i) {
std::stringstream str;
str << "TestData/bugs/753/4_profile_" << i << ".brep";
TopoDS_Shape wire;
EXPECT_EQ(Standard_True, BRepTools::Read(wire, str.str().c_str(), b));
loftMaker.addProfiles(TopoDS::Wire(wire));
}
loftMaker.setMakeSolid(true);
loftMaker.setMakeSmooth(true);
ASSERT_THROW(loftMaker.Shape(), tigl::CTiglError);
}
TEST(makeLoft, bug753_cpacs)
{
TiglHandleWrapper handle("TestData/bugs/753/bug753.cpacs.xml", "");
const auto &fuselage = tigl::CCPACSConfigurationManager::GetInstance().GetConfiguration(handle).GetFuselage(1);
EXPECT_NO_THROW(fuselage.GetLoft());
}
class CurveNetworkCoons: public ::testing::TestWithParam<std::string>
{
protected:
virtual void SetUp()
{
// get the name of the folder with the B-spline network data
path_profiles = "TestData/CurveNetworks/" + GetParam() + "/profiles.brep";
path_guides = "TestData/CurveNetworks/" + GetParam() + "/guides.brep";
path_output = "TestData/CurveNetworks/" + GetParam() + "/result_coons.brep";
}
void TearDown()
{
}
// name of the folder with the B-spline network data
std::string path_profiles;
std::string path_guides;
std::string path_output;
};
TEST_P(CurveNetworkCoons, testFromBRep)
{
// u-directional B-spline curves
// first read the brep-input file
TopoDS_Shape shape_u;
BRep_Builder builder_u;
BRepTools::Read(shape_u, path_profiles.c_str(), builder_u);
TopExp_Explorer Explorer;
// get the splines in u-direction from the Edges
std::vector<Handle(Geom_BSplineCurve)> splines_u_vector;
for (Explorer.Init(shape_u, TopAbs_EDGE); Explorer.More(); Explorer.Next()) {
TopoDS_Edge curve_edge = TopoDS::Edge(Explorer.Current());
double beginning = 0;
double end = 1;
Handle(Geom_Curve) curve = BRep_Tool::Curve(curve_edge, beginning, end);
Handle(Geom_BSplineCurve) spline = GeomConvert::CurveToBSplineCurve(curve);
// search if spline is already in list (can happen for closed curve networks)
bool alreadyInList = false;
for (std::vector<Handle(Geom_BSplineCurve)>::const_iterator it = splines_u_vector.begin(); it != splines_u_vector.end(); ++it) {
const Handle(Geom_BSplineCurve)& curve = *it;
if (curve->IsEqual(spline, 1e-6)) {
alreadyInList = true;
}
}
if (!alreadyInList) {
splines_u_vector.push_back(spline);
}
}
// v-directional B-spline curves
// first read the BRep-input file
TopoDS_Shape shape_v;
BRep_Builder builder_v;
BRepTools::Read(shape_v, path_guides.c_str(), builder_v);
// now filter out the Edges
TopTools_IndexedMapOfShape mapEdges_v;
TopExp::MapShapes(shape_v, TopAbs_EDGE, mapEdges_v);
// get the splines in v-direction from the Edges
std::vector<Handle(Geom_BSplineCurve)> splines_v_vector;
for (Explorer.Init(shape_v, TopAbs_EDGE); Explorer.More(); Explorer.Next()) {
TopoDS_Edge curve_edge = TopoDS::Edge(Explorer.Current());
double beginning = 0;
double end = 1;
Handle(Geom_Curve) curve = BRep_Tool::Curve(curve_edge, beginning, end);
Handle(Geom_BSplineCurve) spline = GeomConvert::CurveToBSplineCurve(curve);
// search if spline is already in list (can happen for closed curve networks)
bool alreadyInList = false;
for (std::vector<Handle(Geom_BSplineCurve)>::const_iterator it = splines_v_vector.begin(); it != splines_v_vector.end(); ++it) {
const Handle(Geom_BSplineCurve)& curve = *it;
if (curve->IsEqual(spline, 1e-6)) {
alreadyInList = true;
}
}
if (!alreadyInList) {
splines_v_vector.push_back(spline);
}
}
CTiglMakeLoft lofter(1e-6, 1e-4);
lofter.setMakeSolid(false);
for (std::vector<Handle(Geom_BSplineCurve)>::const_iterator it = splines_u_vector.begin(); it != splines_u_vector.end(); ++it) {
const Handle(Geom_BSplineCurve)& curve = *it;
lofter.addProfiles(BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(curve).Edge()).Wire());
}
for (std::vector<Handle(Geom_BSplineCurve)>::const_iterator it = splines_v_vector.begin(); it != splines_v_vector.end(); ++it) {
const Handle(Geom_BSplineCurve)& curve = *it;
lofter.addGuides(BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(curve).Edge()).Wire());
}
lofter.Perform();
TopoDS_Shape loft = lofter.Shape();
ASSERT_FALSE(loft.IsNull());
BRepTools::Write(loft, path_output.c_str());
}
INSTANTIATE_TEST_CASE_P(makeLoft, CurveNetworkCoons, ::testing::Values(
"nacelle",
"full_nacelle",
"wing2",
/* "spiralwing", TODO: Coons has a problem with this case */
"test_surface4_sorted",
"test_surface4",
"wing3",
"bellyfairing",
"helibody",
"fuselage1",
"fuselage2"
));