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DrawViewSection.cpp
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DrawViewSection.cpp
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/***************************************************************************
* Copyright (c) 2002 Jürgen Riegel <juergen.riegel@web.de> *
* Copyright (c) 2013 Luke Parry <l.parry@warwick.ac.uk> *
* Copyright (c) 2016 WandererFan <wandererfan@gmail.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <sstream>
#include <Bnd_Box.hxx>
#include <BRepBndLib.hxx>
//#include <BRepBuilderAPI_MakePolygon.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepBuilderAPI_Copy.hxx>
#include <BRepAlgoAPI_Cut.hxx>
#include <BRepPrimAPI_MakePrism.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <BRepAlgoAPI_Section.hxx>
#include <BRepAdaptor_Surface.hxx>
#include <BRep_Builder.hxx>
#include <BRepTools.hxx>
#include <BRepCheck_Wire.hxx>
#include <gp_Ax2.hxx>
#include <gp_Ax3.hxx>
#include <gp_Pnt.hxx>
#include <gp_Pln.hxx>
#include <gp_Dir.hxx>
#include <Geom_Plane.hxx>
#include <HLRBRep_Algo.hxx>
#include <HLRAlgo_Projector.hxx>
#include <HLRBRep_HLRToShape.hxx>
#include <ShapeAnalysis.hxx>
#include <ShapeFix_Wire.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Compound.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#endif
#include <chrono>
# include <QFile>
# include <QFileInfo>
#include <App/Application.h>
#include <App/Document.h>
#include <App/Material.h>
#include <Base/BoundBox.h>
#include <Base/Exception.h>
#include <Base/Console.h>
#include <Base/FileInfo.h>
#include <Base/Interpreter.h>
#include <Base/Parameter.h>
#include <Mod/Part/App/PartFeature.h>
#include "Preferences.h"
#include "Geometry.h"
#include "GeometryObject.h"
#include "Cosmetic.h"
#include "HatchLine.h"
#include "EdgeWalker.h"
#include "DrawUtil.h"
#include "DrawProjGroupItem.h"
#include "DrawProjectSplit.h"
#include "DrawGeomHatch.h"
#include "DrawHatch.h"
#include "DrawViewSection.h"
using namespace TechDraw;
using namespace std;
const char* DrawViewSection::SectionDirEnums[]= {"Right",
"Left",
"Up",
"Down",
NULL};
const char* DrawViewSection::CutSurfaceEnums[]= {"Hide",
"Color",
"SvgHatch",
"PatHatch",
NULL};
//===========================================================================
// DrawViewSection
//===========================================================================
PROPERTY_SOURCE(TechDraw::DrawViewSection, TechDraw::DrawViewPart)
DrawViewSection::DrawViewSection()
{
static const char *sgroup = "Section";
static const char *fgroup = "Cut Surface Format";
ADD_PROPERTY_TYPE(SectionSymbol ,(""),sgroup,App::Prop_None,"The identifier for this section");
ADD_PROPERTY_TYPE(BaseView ,(0),sgroup,App::Prop_None,"2D View source for this Section");
BaseView.setScope(App::LinkScope::Global);
ADD_PROPERTY_TYPE(SectionNormal ,(0,0,1.0) ,sgroup,App::Prop_None,
"Section Plane normal direction"); //direction of extrusion of cutting prism
ADD_PROPERTY_TYPE(SectionOrigin ,(0,0,0) ,sgroup,App::Prop_None,"Section Plane Origin");
SectionDirection.setEnums(SectionDirEnums);
ADD_PROPERTY_TYPE(SectionDirection,((long)0),sgroup, App::Prop_None, "Direction in Base View for this Section");
ADD_PROPERTY_TYPE(FuseBeforeCut ,(false),sgroup,App::Prop_None,"Merge Source(s) into a single shape before cutting");
CutSurfaceDisplay.setEnums(CutSurfaceEnums);
ADD_PROPERTY_TYPE(CutSurfaceDisplay,(prefCutSurface()),fgroup, App::Prop_None, "Appearance of Cut Surface");
//initialize these to defaults
ADD_PROPERTY_TYPE(FileHatchPattern ,(DrawHatch::prefSvgHatch()),fgroup,App::Prop_None,"The hatch pattern file for the cut surface");
ADD_PROPERTY_TYPE(FileGeomPattern ,(DrawGeomHatch::prefGeomHatchFile()),fgroup,App::Prop_None,"The PAT pattern file for geometric hatching");
ADD_PROPERTY_TYPE(SvgIncluded ,(""),fgroup,App::Prop_None,
"Embedded Svg hatch file. System use only."); // n/a to end users
ADD_PROPERTY_TYPE(PatIncluded ,(""),fgroup,App::Prop_None,
"Embedded Pat pattern file. System use only."); // n/a to end users
ADD_PROPERTY_TYPE(NameGeomPattern ,(DrawGeomHatch::prefGeomHatchName()),fgroup,App::Prop_None,"The pattern name for geometric hatching");
ADD_PROPERTY_TYPE(HatchScale,(1.0),fgroup,App::Prop_None,"Hatch pattern size adjustment");
getParameters();
std::string hatchFilter("Svg files (*.svg *.SVG);;All files (*)");
FileHatchPattern.setFilter(hatchFilter);
hatchFilter = ("PAT files (*.pat *.PAT);;All files (*)");
FileGeomPattern.setFilter(hatchFilter);
SvgIncluded.setStatus(App::Property::ReadOnly,true);
PatIncluded.setStatus(App::Property::ReadOnly,true);
}
DrawViewSection::~DrawViewSection()
{
}
short DrawViewSection::mustExecute() const
{
short result = 0;
if (!isRestoring()) {
result = (Scale.isTouched() ||
Direction.isTouched() ||
BaseView.isTouched() ||
SectionNormal.isTouched() ||
SectionOrigin.isTouched() );
}
if (result) {
return result;
}
return TechDraw::DrawView::mustExecute();
}
void DrawViewSection::onChanged(const App::Property* prop)
{
App::Document* doc = getDocument();
// bool docRestoring = getDocument()->testStatus(App::Document::Status::Restoring);
// Base::Console().Message("DVS::onChanged(%s) - obj restoring: %d\n",
// prop->getName(), isRestoring());
if (!isRestoring()) {
if (prop == &SectionSymbol) {
std::string lblText = "Section " +
std::string(SectionSymbol.getValue()) +
" - " +
std::string(SectionSymbol.getValue());
Label.setValue(lblText);
} else if (prop == &SectionOrigin) {
App::DocumentObject* base = BaseView.getValue();
TechDraw::DrawView* dv = dynamic_cast<TechDraw::DrawView*>(base);
if (dv != nullptr) {
dv->requestPaint();
}
} else if (prop == &CutSurfaceDisplay) {
if (CutSurfaceDisplay.isValue("PatHatch")) {
makeLineSets();
}
}
if ((prop == &FileHatchPattern) &&
(doc != nullptr) ) {
if (!FileHatchPattern.isEmpty()) {
Base::FileInfo fi(FileHatchPattern.getValue());
if (fi.isReadable()) {
replaceSvgIncluded(FileHatchPattern.getValue());
}
}
}
if ( (prop == &FileGeomPattern) &&
(doc != nullptr) ) {
if (!FileGeomPattern.isEmpty()) {
Base::FileInfo fi(FileGeomPattern.getValue());
if (fi.isReadable()) {
replacePatIncluded(FileGeomPattern.getValue());
}
}
}
}
if (prop == &FileGeomPattern ||
prop == &NameGeomPattern ) {
makeLineSets();
}
DrawView::onChanged(prop);
}
void DrawViewSection::makeLineSets(void)
{
// Base::Console().Message("DVS::makeLineSets()\n");
if (!PatIncluded.isEmpty()) {
std::string fileSpec = PatIncluded.getValue();
Base::FileInfo fi(fileSpec);
std::string ext = fi.extension();
if (!fi.isReadable()) {
Base::Console().Message("%s can not read hatch file: %s\n", getNameInDocument(), fileSpec.c_str());
} else {
if ( (ext == "pat") ||
(ext == "PAT") ) {
if ((!fileSpec.empty()) &&
(!NameGeomPattern.isEmpty())) {
std::vector<PATLineSpec> specs =
DrawGeomHatch::getDecodedSpecsFromFile(fileSpec,
NameGeomPattern.getValue());
m_lineSets.clear();
for (auto& hl: specs) {
//hl.dump("hl from section");
LineSet ls;
ls.setPATLineSpec(hl);
m_lineSets.push_back(ls);
}
}
}
}
}
}
//this could probably always use FileHatchPattern as input?
void DrawViewSection::replaceSvgIncluded(std::string newSvgFile)
{
// Base::Console().Message("DVS::replaceSvgHatch(%s)\n", newSvgFile.c_str());
if (SvgIncluded.isEmpty()) {
setupSvgIncluded();
} else {
std::string tempName = SvgIncluded.getExchangeTempFile();
DrawUtil::copyFile(newSvgFile, tempName);
SvgIncluded.setValue(tempName.c_str());
}
}
void DrawViewSection::replacePatIncluded(std::string newPatFile)
{
// Base::Console().Message("DVS::replacePatHatch(%s)\n", newPatFile.c_str());
if (PatIncluded.isEmpty()) {
setupPatIncluded();
} else {
std::string tempName = PatIncluded.getExchangeTempFile();
DrawUtil::copyFile(newPatFile, tempName);
PatIncluded.setValue(tempName.c_str());
}
}
App::DocumentObjectExecReturn *DrawViewSection::execute(void)
{
if (!keepUpdated()) {
return App::DocumentObject::StdReturn;
}
App::DocumentObject* base = BaseView.getValue();
if (base == nullptr) {
return new App::DocumentObjectExecReturn("BaseView object not found");
}
TechDraw::DrawViewPart* dvp = nullptr;
if (!base->getTypeId().isDerivedFrom(TechDraw::DrawViewPart::getClassTypeId())) {
return new App::DocumentObjectExecReturn("BaseView object is not a DrawViewPart object");
} else {
dvp = static_cast<TechDraw::DrawViewPart*>(base);
}
TopoDS_Shape baseShape;
if (FuseBeforeCut.getValue()) {
baseShape = dvp->getSourceShapeFused();
} else {
baseShape = dvp->getSourceShape();
}
if (baseShape.IsNull()) {
bool isRestoring = getDocument()->testStatus(App::Document::Status::Restoring);
if (isRestoring) {
Base::Console().Warning("DVS::execute - base shape is invalid - (but document is restoring) - %s\n",
getNameInDocument());
} else {
Base::Console().Error("Error: DVS::execute - base shape is Null. - %s\n",
getNameInDocument());
}
return new App::DocumentObjectExecReturn("BaseView Source object is Null");
}
// checkXDirection();
bool haveX = checkXDirection();
if (!haveX) {
//block touch/onChanged stuff
Base::Vector3d newX = getXDirection();
XDirection.setValue(newX);
XDirection.purgeTouched(); //don't trigger updates!
//unblock
}
sectionExec(baseShape);
addShapes2d();
//second pass if required
if (ScaleType.isValue("Automatic")) {
if (!checkFit()) {
double newScale = autoScale();
Scale.setValue(newScale);
Scale.purgeTouched();
if (geometryObject != nullptr) {
delete geometryObject;
geometryObject = nullptr;
sectionExec(baseShape);
}
}
}
dvp->requestPaint(); //to refresh section line
return DrawView::execute();
}
void DrawViewSection::sectionExec(TopoDS_Shape baseShape)
{
// cut base shape with tool
//is SectionOrigin valid?
Bnd_Box centerBox;
BRepBndLib::Add(baseShape, centerBox);
centerBox.SetGap(0.0);
// make tool
gp_Pln pln = getSectionPlane();
gp_Dir gpNormal = pln.Axis().Direction();
Base::Vector3d orgPnt = SectionOrigin.getValue();
if(!isReallyInBox(gp_Pnt(orgPnt.x,orgPnt.y,orgPnt.z), centerBox)) {
Base::Console().Warning("DVS: SectionOrigin doesn't intersect part in %s\n",getNameInDocument());
}
// Make the extrusion face
double dMax = sqrt(centerBox.SquareExtent());
BRepBuilderAPI_MakeFace mkFace(pln, -dMax,dMax,-dMax,dMax);
TopoDS_Face aProjFace = mkFace.Face();
if(aProjFace.IsNull()) {
Base::Console().Warning("DVS: Section face is NULL in %s\n",getNameInDocument());
return;
}
gp_Vec extrudeDir = dMax * gp_Vec(gpNormal);
TopoDS_Shape prism = BRepPrimAPI_MakePrism(aProjFace, extrudeDir, false, true).Shape();
// We need to copy the shape to not modify the BRepstructure
BRepBuilderAPI_Copy BuilderCopy(baseShape);
TopoDS_Shape myShape = BuilderCopy.Shape();
// perform cut
BRep_Builder builder;
TopoDS_Compound pieces;
builder.MakeCompound(pieces);
TopExp_Explorer expl(myShape, TopAbs_SOLID);
int indb = 0;
int outdb = 0;
for (; expl.More(); expl.Next()) {
indb++;
const TopoDS_Solid& s = TopoDS::Solid(expl.Current());
BRepAlgoAPI_Cut mkCut(s, prism);
if (!mkCut.IsDone()) {
Base::Console().Warning("DVS: Section cut has failed in %s\n",getNameInDocument());
continue;
}
TopoDS_Shape cut = mkCut.Shape();
builder.Add(pieces, cut);
outdb++;
}
// pieces contains result of cutting each subshape in baseShape with tool
TopoDS_Shape rawShape = pieces;
if (debugSection()) {
BRepTools::Write(myShape, "DVSCopy.brep"); //debug
BRepTools::Write(aProjFace, "DVSFace.brep"); //debug
BRepTools::Write(prism, "DVSTool.brep"); //debug
BRepTools::Write(pieces, "DVSPieces.brep"); //debug
}
// check for error in cut
Bnd_Box testBox;
BRepBndLib::Add(rawShape, testBox);
testBox.SetGap(0.0);
if (testBox.IsVoid()) { //prism & input don't intersect. rawShape is garbage, don't bother.
Base::Console().Warning("DVS::execute - prism & input don't intersect - %s\n", Label.getValue());
return;
}
// build display geometry as in DVP, with minor mods
gp_Ax2 viewAxis;
TopoDS_Shape centeredShape;
try {
Base::Vector3d origin(0.0, 0.0, 0.0);
viewAxis = getProjectionCS(origin);
gp_Pnt inputCenter;
inputCenter = TechDraw::findCentroid(rawShape,
viewAxis);
Base::Vector3d centroid(inputCenter.X(),
inputCenter.Y(),
inputCenter.Z());
centeredShape = TechDraw::moveShape(rawShape,
centroid * -1.0);
m_cutShape = centeredShape;
m_saveCentroid = centroid;
TopoDS_Shape scaledShape = TechDraw::scaleShape(centeredShape,
getScale());
if (!DrawUtil::fpCompare(Rotation.getValue(),0.0)) {
scaledShape = TechDraw::rotateShape(scaledShape,
viewAxis,
Rotation.getValue());
}
if (debugSection()) {
BRepTools::Write(m_cutShape, "DVSmCutShape.brep"); //debug
BRepTools::Write(scaledShape, "DVSScaled.brep"); //debug
// DrawUtil::dumpCS("DVS::execute - CS to GO", viewAxis);
}
geometryObject = buildGeometryObject(scaledShape,viewAxis);
#if MOD_TECHDRAW_HANDLE_FACES
extractFaces();
#endif //#if MOD_TECHDRAW_HANDLE_FACES
}
catch (Standard_Failure& e1) {
Base::Console().Warning("DVS::execute - failed to build base shape %s - %s **\n",
getNameInDocument(),e1.GetMessageString());
return;
}
//display geometry for cut shape is in geometryObject as in DVP
// build section face geometry
TopoDS_Compound faceIntersections = findSectionPlaneIntersections(rawShape);
TopoDS_Shape centeredShapeF = TechDraw::moveShape(faceIntersections,
m_saveCentroid * -1.0);
TopoDS_Shape scaledSection = TechDraw::scaleShape(centeredShapeF,
getScale());
if (!DrawUtil::fpCompare(Rotation.getValue(),0.0)) {
scaledSection = TechDraw::rotateShape(scaledSection,
viewAxis,
Rotation.getValue());
}
if (debugSection()) {
BRepTools::Write(scaledSection, "DVSScaledFaces.brep"); //debug
}
// scaledSection is compound of TopoDS_Face intersections, but aligned to pln(origin, sectionNormal)
// needs to be aligned to pln (origin, stdZ);
gp_Ax3 R3;
gp_Ax2 projCS = getSectionCS();
gp_Ax3 proj3 = gp_Ax3(gp_Pnt(0.0, 0.0, 0.0),
projCS.Direction(),
projCS.XDirection());
gp_Trsf fromR3;
fromR3.SetTransformation(R3, proj3);
BRepBuilderAPI_Transform xformer(fromR3);
xformer.Perform(scaledSection, true);
if (xformer.IsDone()) {
sectionFaces = TopoDS::Compound(xformer.Shape());
// BRepTools::Write(sectionFaces, "DVSXFaces.brep"); //debug
} else {
Base::Console().Message("DVS::sectionExec - face xform failed\n");
}
sectionFaces = TopoDS::Compound(GeometryObject::invertGeometry(sectionFaces)); //handle Qt -y
//turn section faces into something we can draw
tdSectionFaces.clear();
TopExp_Explorer sectionExpl(sectionFaces, TopAbs_FACE);
int iface = 0;
for (; sectionExpl.More(); sectionExpl.Next()) {
iface++;
const TopoDS_Face& face = TopoDS::Face(sectionExpl.Current());
TechDraw::Face* sectionFace = new TechDraw::Face();
TopExp_Explorer expFace(face, TopAbs_WIRE);
int iwire = 0;
for ( ; expFace.More(); expFace.Next()) {
iwire++;
TechDraw::Wire* w = new TechDraw::Wire();
const TopoDS_Wire& wire = TopoDS::Wire(expFace.Current());
int iedge = 0;
TopExp_Explorer expWire(wire, TopAbs_EDGE);
for ( ; expWire.More(); expWire.Next()) {
iedge++;
const TopoDS_Edge& edge = TopoDS::Edge(expWire.Current());
TechDraw::BaseGeom* e = BaseGeom::baseFactory(edge);
if (e != nullptr) {
w->geoms.push_back(e);
}
}
sectionFace->wires.push_back(w);
}
tdSectionFaces.push_back(sectionFace);
}
// add cosmetic entities to view
addCosmeticVertexesToGeom();
addCosmeticEdgesToGeom();
addCenterLinesToGeom();
// add landmark dim reference points to view
addReferencesToGeom();
}
gp_Pln DrawViewSection::getSectionPlane() const
{
gp_Ax2 viewAxis = getSectionCS();
gp_Ax3 viewAxis3(viewAxis);
return gp_Pln(viewAxis3);
}
//! tries to find the intersection of the section plane with the shape giving a collection of planar faces
TopoDS_Compound DrawViewSection::findSectionPlaneIntersections(const TopoDS_Shape& shape)
{
// Base::Console().Message("DVS::findSectionPlaneIntersections()\n");
TopoDS_Compound result;
if(shape.IsNull()){
Base::Console().Warning("DrawViewSection::getSectionSurface - Sectional View shape is Empty\n");
return result;
}
gp_Pln plnSection = getSectionPlane();
BRep_Builder builder;
builder.MakeCompound(result);
TopExp_Explorer expFaces(shape, TopAbs_FACE);
int i;
int dbAdded = 0;
for (i = 1 ; expFaces.More(); expFaces.Next(), i++) {
const TopoDS_Face& face = TopoDS::Face(expFaces.Current());
BRepAdaptor_Surface adapt(face);
if (adapt.GetType() == GeomAbs_Plane){
gp_Pln plnFace = adapt.Plane();
if(plnSection.Contains(plnFace.Location(), Precision::Confusion()) &&
plnFace.Axis().IsParallel(plnSection.Axis(), Precision::Angular())) {
dbAdded++;
builder.Add(result, face);
}
}
}
// BRepTools::Write(result, "DVSIntersect.brep"); //debug
return result;
}
//calculate the ends of the section line in BaseView's coords
std::pair<Base::Vector3d, Base::Vector3d> DrawViewSection::sectionLineEnds(void)
{
std::pair<Base::Vector3d, Base::Vector3d> result;
Base::Vector3d stdZ(0.0, 0.0, 1.0);
double baseRotation = getBaseDVP()->Rotation.getValue(); //Qt degrees
Base::Rotation rotator(stdZ, baseRotation * M_PI / 180.0);
Base::Rotation unrotator(stdZ, - baseRotation * M_PI / 180.0);
auto sNorm = SectionNormal.getValue();
double angle = M_PI / 2.0;
auto axis = getBaseDVP()->Direction.getValue();
Base::Vector3d stdOrg(0.0, 0.0, 0.0);
Base::Vector3d sLineDir = DrawUtil::vecRotate(sNorm, angle, axis, stdOrg);
sLineDir.Normalize();
Base::Vector3d sLineDir2 = - axis.Cross(sNorm);
sLineDir2.Normalize();
Base::Vector3d sLineOnBase = getBaseDVP()->projectPoint(sLineDir2);
sLineOnBase.Normalize();
auto sOrigin = SectionOrigin.getValue();
Base::Vector3d adjSectionOrg = sOrigin - getBaseDVP()->getOriginalCentroid();
Base::Vector3d sOrgOnBase = getBaseDVP()->projectPoint(adjSectionOrg);
auto bbx = getBaseDVP()->getBoundingBox();
double xRange = bbx.MaxX - bbx.MinX;
xRange /= getBaseDVP()->getScale();
double yRange = bbx.MaxY - bbx.MinY;
yRange /= getBaseDVP()->getScale();
sOrgOnBase = rotator.multVec(sOrgOnBase);
sLineOnBase = rotator.multVec(sLineOnBase);
result = DrawUtil::boxIntersect2d(sOrgOnBase, sLineOnBase, xRange, yRange); //unscaled
result.first = unrotator.multVec(result.first);
result.second = unrotator.multVec(result.second);
return result;
}
//this should really be in BoundBox.h
//!check if point is in box or on boundary of box
//!compare to isInBox which doesn't allow on boundary
bool DrawViewSection::isReallyInBox (const Base::Vector3d v, const Base::BoundBox3d bb) const
{
if (v.x <= bb.MinX || v.x >= bb.MaxX)
return false;
if (v.y <= bb.MinY || v.y >= bb.MaxY)
return false;
if (v.z <= bb.MinZ || v.z >= bb.MaxZ)
return false;
return true;
}
bool DrawViewSection::isReallyInBox (const gp_Pnt p, const Bnd_Box& bb) const
{
return !bb.IsOut(p);
}
Base::Vector3d DrawViewSection::getXDirection(void) const
{
// Base::Console().Message("DVS::getXDirection() - %s\n", Label.getValue());
Base::Vector3d result(1.0, 0.0, 0.0); //default X
App::Property* prop = getPropertyByName("XDirection");
if (prop != nullptr) { //have an XDirection property
Base::Vector3d propVal = XDirection.getValue();
if (DrawUtil::fpCompare(propVal.Length(), 0.0)) { //but it has no value
std::string sectName = SectionDirection.getValueAsString();
gp_Ax2 cs = getCSFromBase(sectName);
gp_Dir gXDir = cs.XDirection();
result = Base::Vector3d(gXDir.X(),
gXDir.Y(),
gXDir.Z());
} else {
result = propVal; //normal case. XDirection is set.
}
} else { //no Property. can this happen?
std::string sectName = SectionDirection.getValueAsString();
gp_Ax2 cs = getCSFromBase(sectName);
gp_Dir gXDir = cs.XDirection();
result = Base::Vector3d(gXDir.X(),
gXDir.Y(),
gXDir.Z());
}
return result;
}
void DrawViewSection::setCSFromBase(const std::string sectionName)
{
// Base::Console().Message("DVS::setCSFromBase(%s)\n", sectionName.c_str());
gp_Ax2 CS = getCSFromBase(sectionName);
gp_Dir gDir = CS.Direction();
Base::Vector3d vDir(gDir.X(),
gDir.Y(),
gDir.Z());
Direction.setValue(vDir);
SectionNormal.setValue(vDir);
gp_Dir gxDir = CS.XDirection();
Base::Vector3d vXDir(gxDir.X(),
gxDir.Y(),
gxDir.Z());
XDirection.setValue(vXDir);
}
gp_Ax2 DrawViewSection::getCSFromBase(const std::string sectionName) const
{
// Base::Console().Message("DVS::getCSFromBase(%s)\n", sectionName.c_str());
Base::Vector3d sectionNormal;
Base::Vector3d sectionXDir;
Base::Vector3d origin(0.0, 0.0, 0.0);
Base::Vector3d sectOrigin = SectionOrigin.getValue();
gp_Ax2 dvpCS = getBaseDVP()->getProjectionCS(sectOrigin);
if (debugSection()) {
DrawUtil::dumpCS("DVS::getCSFromBase - dvp CS", dvpCS);
}
gp_Dir dvpDir = dvpCS.Direction();
gp_Dir dvpUp = dvpCS.YDirection();
gp_Dir dvpRight = dvpCS.XDirection();
gp_Pnt dvsLoc(sectOrigin.x,
sectOrigin.y,
sectOrigin.z);
gp_Dir dvsDir;
gp_Dir dvsXDir;
if (sectionName == "Up") { //looking up
dvsDir = dvpUp.Reversed();
dvsXDir = dvpRight;
} else if (sectionName == "Down") {
dvsDir = dvpUp;
dvsXDir = dvpRight;
} else if (sectionName == "Left") {
dvsDir = dvpRight;
dvsXDir = dvpDir.Reversed();
} else if (sectionName == "Right") {
dvsDir = dvpRight.Reversed();
dvsXDir = dvpDir;
} else {
Base::Console().Log("Error - DVS::getCSFromBase - bad sectionName: %s\n",sectionName.c_str());
dvsDir = dvpRight;
dvsXDir = dvpDir;
}
gp_Ax2 CS(dvsLoc,
dvsDir,
dvsXDir);
if (debugSection()) {
DrawUtil::dumpCS("DVS::getCSFromBase - sectionCS out", CS);
}
return CS;
}
//returns current section cs
gp_Ax2 DrawViewSection::getSectionCS(void) const
{
// Base::Console().Message("DVS::getSectionCS()\n");
Base::Vector3d vNormal = SectionNormal.getValue();
gp_Dir gNormal(vNormal.x,
vNormal.y,
vNormal.z);
Base::Vector3d vXDir = getXDirection();
gp_Dir gXDir(vXDir.x,
vXDir.y,
vXDir.z);
Base::Vector3d vOrigin = SectionOrigin.getValue();
gp_Pnt gOrigin(vOrigin.x,
vOrigin.y,
vOrigin.z);
gp_Ax2 sectionCS(gOrigin,
gNormal);
try {
sectionCS = gp_Ax2(gOrigin,
gNormal,
gXDir);
}
catch (...) {
Base::Console().Log("DVS::getSectionCS - %s - failed to create section CS\n", getNameInDocument());
}
return sectionCS;
}
gp_Ax2 DrawViewSection::rotateCSArbitrary(gp_Ax2 oldCS,
Base::Vector3d axis,
double degAngle) const
{
gp_Ax2 newCS;
gp_Pnt oldOrg = oldCS.Location();
gp_Dir gAxis(axis.x, axis.y, axis.z);
gp_Ax1 rotAxis = gp_Ax1(oldOrg, gAxis);
double radAngle = degAngle * M_PI / 180.0;
newCS = oldCS.Rotated(rotAxis, radAngle);
return newCS;
}
std::vector<LineSet> DrawViewSection::getDrawableLines(int i)
{
// Base::Console().Message("DVS::getDrawableLines(%d) - lineSets: %d\n", i, m_lineSets.size());
std::vector<LineSet> result;
result = DrawGeomHatch::getTrimmedLinesSection(this,m_lineSets,
getSectionTFace(i),
HatchScale.getValue());
return result;
}
TopoDS_Face DrawViewSection::getSectionTFace(int i)
{
TopoDS_Face result;
TopExp_Explorer expl(sectionFaces, TopAbs_FACE);
int count = 1;
for (; expl.More(); expl.Next(), count++) {
if (count == i+1) {
result = TopoDS::Face(expl.Current());
}
}
return result;
}
void DrawViewSection::unsetupObject()
{
TechDraw::DrawViewPart* base = getBaseDVP();
if (base != nullptr) {
base->touch();
}
DrawViewPart::unsetupObject();
}
TechDraw::DrawViewPart* DrawViewSection::getBaseDVP() const
{
TechDraw::DrawViewPart* baseDVP = nullptr;
App::DocumentObject* base = BaseView.getValue();
if (base != nullptr) {
if (base->getTypeId().isDerivedFrom(TechDraw::DrawViewPart::getClassTypeId())) {
baseDVP = static_cast<TechDraw::DrawViewPart*>(base);
}
}
return baseDVP;
}
TechDraw::DrawProjGroupItem* DrawViewSection::getBaseDPGI() const
{
TechDraw::DrawProjGroupItem* baseDPGI = nullptr;
App::DocumentObject* base = BaseView.getValue();
if (base != nullptr) {
if (base->getTypeId().isDerivedFrom(TechDraw::DrawProjGroupItem::getClassTypeId())) {
baseDPGI = static_cast<TechDraw::DrawProjGroupItem*>(base);
}
}
return baseDPGI;
}
void DrawViewSection::getParameters()
{
// Base::Console().Message("DVS::getParameters()\n");
Base::Reference<ParameterGrp>hGrp = App::GetApplication().GetUserParameter()
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/General");
bool fuseFirst = hGrp->GetBool("SectionFuseFirst", false);
FuseBeforeCut.setValue(fuseFirst);
}
bool DrawViewSection::debugSection(void) const
{
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/debug");
bool result = hGrp->GetBool("debugSection",false);
return result;
}
int DrawViewSection::prefCutSurface(void) const
{
// Base::Console().Message("DVS::prefCutSurface()\n");
Base::Reference<ParameterGrp>hGrp = App::GetApplication().GetUserParameter()
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Decorations");
int result = hGrp->GetInt("CutSurfaceDisplay", 2); //default to SvgHatch
return result;
}
void DrawViewSection::onDocumentRestored()
{
// Base::Console().Message("DVS::onDocumentRestored()\n");
if (SvgIncluded.isEmpty()) {
if (!FileHatchPattern.isEmpty()) {
std::string svgFileName = FileHatchPattern.getValue();
Base::FileInfo tfi(svgFileName);
if (tfi.isReadable()) {
setupSvgIncluded();
}
}
}
if (PatIncluded.isEmpty()) {
if (!FileGeomPattern.isEmpty()) {
std::string patFileName = FileGeomPattern.getValue();
Base::FileInfo tfi(patFileName);
if (tfi.isReadable()) {
setupPatIncluded();
}
}
}
makeLineSets();
DrawViewPart::onDocumentRestored();
}
void DrawViewSection::setupObject()
{
//by this point DVS should have a name and belong to a document
setupSvgIncluded();
setupPatIncluded();
DrawViewPart::setupObject();
}
void DrawViewSection::setupSvgIncluded(void)
{
// Base::Console().Message("DVS::setupSvgIncluded()\n");
App::Document* doc = getDocument();
std::string special = getNameInDocument();
special += "SvgHatch.svg";
std::string dir = doc->TransientDir.getValue();
std::string svgName = dir + special;
//first time
std::string svgInclude = SvgIncluded.getValue();
if (svgInclude.empty()) {
DrawUtil::copyFile(std::string(), svgName);
SvgIncluded.setValue(svgName.c_str());
}
std::string svgFile = FileHatchPattern.getValue();
if (!svgFile.empty()) {
std::string exchName = SvgIncluded.getExchangeTempFile();
DrawUtil::copyFile(svgFile, exchName);
SvgIncluded.setValue(exchName.c_str(), special.c_str());
}
}
void DrawViewSection::setupPatIncluded(void)
{
// Base::Console().Message("DVS::setupPatIncluded()\n");
App::Document* doc = getDocument();
std::string special = getNameInDocument();
special += "PatHatch.pat";
std::string dir = doc->TransientDir.getValue();
std::string patName = dir + special;
std::string patProp = PatIncluded.getValue();
if (patProp.empty()) {
DrawUtil::copyFile(std::string(), patName);
PatIncluded.setValue(patName.c_str());
}
if (!FileGeomPattern.isEmpty()) {
std::string exchName = PatIncluded.getExchangeTempFile();
DrawUtil::copyFile(FileGeomPattern.getValue(), exchName);
PatIncluded.setValue(exchName.c_str(), special.c_str());
}
}
// Python Drawing feature ---------------------------------------------------------
namespace App {
/// @cond DOXERR
PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawViewSectionPython, TechDraw::DrawViewSection)
template<> const char* TechDraw::DrawViewSectionPython::getViewProviderName(void) const {
return "TechDrawGui::ViewProviderDrawingView";
}
/// @endcond
// explicit template instantiation
template class TechDrawExport FeaturePythonT<TechDraw::DrawViewSection>;
}