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IOWorker.cpp
2094 lines (1875 loc) · 98 KB
/
IOWorker.cpp
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/*
Copyright (c) 2009-2022,
Ken Arroyo Ohori k.ohori@tudelft.nl
Hugo Ledoux h.ledoux@tudelft.nl
Martijn Meijers b.m.meijers@tudelft.nl
All rights reserved.
This file is part of pprepair: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Licensees holding a valid commercial license may use this file in
accordance with the commercial license agreement provided with
the software.
This file 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.
*/
#include "IOWorker.h"
#include <filesystem>
IOWorker::IOWorker() {
startingSearchFace = Triangulation::Face_handle();
}
bool IOWorker::addToTriangulation(Triangulation &triangulation, TaggingVector &edgesToTag, const char *file, unsigned int schemaIndex) {
// Open file
GDALDataset *dataSource = (GDALDataset*) GDALOpenEx(file, GDAL_OF_READONLY, NULL, NULL, NULL);
if (dataSource == NULL) {
std::cerr << "Error: Could not open file." << std::endl;
return false;
}
char *name = new char[strlen(file)+1];
strcpy(name, file);
fileNames.push_back(name);
std::cout << "\tPath: " << name << std::endl;
std::cout << "\tType: " << dataSource->GetDriverName() << std::endl;
int numberOfLayers = dataSource->GetLayerCount();
std::cout << "\tLayers: " << numberOfLayers << std::endl;
// Read layer by layer
for (int currentLayer = 0; currentLayer < numberOfLayers; currentLayer++) {
OGRLayer *dataLayer = dataSource->GetLayer(currentLayer);
dataLayer->ResetReading();
OGRSpatialReference* tmp = dataLayer->GetSpatialRef();
if ( (tmp != NULL) && (spatialReference != NULL) ) {
spatialReference = tmp->Clone();
}
long long numberOfPolygons = dataLayer->GetFeatureCount(true);
std::cout << "\tReading layer #" << currentLayer+1 << " (" << numberOfPolygons << " polygons)...";
polygons.reserve(polygons.size()+numberOfPolygons);
// Check fields and the schema type
OGRFeatureDefn *layerDefinition = dataLayer->GetLayerDefn();
insertToStream(std::cout, layerDefinition, 1, schemaIndex);
// If it's the first input file, assign the schema type of it
if (triangulation.number_of_faces() == 0) {
schemaFieldType = layerDefinition->GetFieldDefn(schemaIndex)->GetType();
} // Otherwise, check if it matches the previous one
else {
if (layerDefinition->GetFieldDefn(schemaIndex)->GetType() != schemaFieldType) {
std::cerr << "\tError: The schema field type in this layer is incompatible with the previous one. Skipped." << std::endl;
continue;
}
}
// Save the field names and types
for (int currentField = 0; currentField < layerDefinition->GetFieldCount(); currentField++) {
OGRFieldDefn *fieldDefinition = layerDefinition->GetFieldDefn(currentField);
FieldDefinition *newField = new FieldDefinition(fieldDefinition->GetNameRef(), fieldDefinition->GetType(), fieldDefinition->GetJustify(), fieldDefinition->GetWidth(), fieldDefinition->GetPrecision());
unsigned int currentCheck;
for (currentCheck = 0; currentCheck < fields.size(); currentCheck++) {
if (newField->matches(fields[currentCheck])) break;
} if (currentCheck == (unsigned int)fields.size()) {
// It's a new field
fields.push_back(newField);
fieldEquivalencies[FieldDescriptor(name, currentLayer, currentField)] = ((unsigned int)fields.size())-1;
} else {
// The field matches an older one, don't add
delete newField;
fieldEquivalencies[FieldDescriptor(name, currentLayer, currentField)] = currentCheck;
}
}
// Reads all features in this layer
OGRFeature *feature;
while ((feature = dataLayer->GetNextFeature()) != NULL) {
if (!feature->GetGeometryRef()) continue;
// STEP 1: Get polygons from input
std::vector<std::list<Point> > outerRingsList;
std::vector<std::list<Point> > innerRingsList;
switch(feature->GetGeometryRef()->getGeometryType()) {
// Most typical case, receiving polygons
case wkbPolygon:
case wkbPolygon25D: {
OGRPolygon *geometry = static_cast<OGRPolygon *>(feature->GetGeometryRef());
outerRingsList.push_back(std::list<Point>());
// Get outer ring
for (int currentPoint = 0; currentPoint < geometry->getExteriorRing()->getNumPoints(); currentPoint++)
outerRingsList.back().push_back(Point(geometry->getExteriorRing()->getX(currentPoint),
geometry->getExteriorRing()->getY(currentPoint)));
// Get inner rings
innerRingsList.reserve(geometry->getNumInteriorRings());
for (int currentRing = 0; currentRing < geometry->getNumInteriorRings(); currentRing++) {
innerRingsList.push_back(std::list<Point>());
for (int currentPoint = 0; currentPoint < geometry->getInteriorRing(currentRing)->getNumPoints(); currentPoint++) {
innerRingsList.back().push_back(Point(geometry->getInteriorRing(currentRing)->getX(currentPoint),
geometry->getInteriorRing(currentRing)->getY(currentPoint)));
}
} break;
}
// Receiving multi polygons
case wkbMultiPolygon: {
OGRMultiPolygon *geometry = static_cast<OGRMultiPolygon *>(feature->GetGeometryRef());
// Check each polygon
for (int currentPolygon = 0; currentPolygon < geometry->getNumGeometries(); currentPolygon++) {
OGRPolygon *thisGeometry = static_cast<OGRPolygon *>(geometry->getGeometryRef(currentPolygon));
outerRingsList.push_back(std::list<Point>());
// Get outer ring
for (int currentPoint = 0; currentPoint < thisGeometry->getExteriorRing()->getNumPoints(); currentPoint++)
outerRingsList.back().push_back(Point(thisGeometry->getExteriorRing()->getX(currentPoint),
thisGeometry->getExteriorRing()->getY(currentPoint)));
// Get inner rings
innerRingsList.reserve(innerRingsList.size()+thisGeometry->getNumInteriorRings());
for (int currentRing = 0; currentRing < thisGeometry->getNumInteriorRings(); currentRing++) {
innerRingsList.push_back(std::list<Point>());
for (int currentPoint = 0; currentPoint < thisGeometry->getInteriorRing(currentRing)->getNumPoints(); currentPoint++) {
innerRingsList.back().push_back(Point(thisGeometry->getInteriorRing(currentRing)->getX(currentPoint),
thisGeometry->getInteriorRing(currentRing)->getY(currentPoint)));
}
}
} break;
}
default:
std::cerr << "\tFeature #" << feature->GetFID() << ": unsupported type (";
insertToStream(std::cout, feature->GetGeometryRef()->getGeometryType());
std::cerr << "). Skipped." << std::endl;
continue;
break;
// TODO: Implement other cases: points, lines, containers with multiple features, etc.
}
// STEP 2: Check validity of individual polygons
// it's more efficient doing this during creation, but this is more readable and maintainable (check SVN v59).
// After all, this is not the main focus here.
std::vector<Polygon> polygonsVector;
// CHECKS ON VERTICES
// Remove repeated vertices. One per ring is considered normal, since some specifications allow or require it (first == last).
for (unsigned int currentRing = 0; currentRing < outerRingsList.size(); ++currentRing) {
if (removeDuplicateVertices(outerRingsList[currentRing]) > 1)
std::cout << "\tFeature #" << feature->GetFID() << ": duplicate vertices in outer boundary #" << currentRing << ". Removed duplicates." << std::endl;
} for (unsigned int currentRing = 0; currentRing < innerRingsList.size(); ++currentRing) {
if (removeDuplicateVertices(innerRingsList[currentRing]) > 1)
std::cout << "\tFeature #" << feature->GetFID() << ": duplicate vertices in inner boundary #" << currentRing << ". Removed duplicates." << std::endl;
}
// Trivial check for rings with less than 3 vertices. The ones with 3 or more vertices will be done in the triangulation
for (int currentRing = 0; currentRing < (int)outerRingsList.size(); ++currentRing) {
if (outerRingsList[currentRing].size() < 3) {
std::cout << "\tFeature #" << feature->GetFID() << ": less than 3 vertices in outer boundary #" << currentRing << ". Removed." << std::endl;
outerRingsList.erase(outerRingsList.begin()+currentRing);
--currentRing;
}
} for (int currentRing = 0; currentRing < (int)innerRingsList.size(); ++currentRing) {
if (innerRingsList[currentRing].size() < 3) {
std::cout << "\tFeature #" << feature->GetFID() << ": less than 3 vertices in inner boundary #" << currentRing << ". Removed." << std::endl;
innerRingsList.erase(innerRingsList.begin()+currentRing);
--currentRing;
}
}
// CHECKS ON RINGS
// Let's move on to the CGAL data structures for Rings
std::vector<Ring> outerRings;
std::vector<Ring> innerRings;
outerRings.reserve(outerRingsList.size());
innerRings.reserve(innerRingsList.size());
for (unsigned int currentRing = 0; currentRing < outerRingsList.size(); currentRing++) {
outerRings.push_back(Ring(outerRingsList[currentRing].begin(), outerRingsList[currentRing].end()));
outerRingsList[currentRing].clear();
} for (unsigned int currentRing = 0; currentRing < innerRingsList.size(); currentRing++) {
innerRings.push_back(Ring(innerRingsList[currentRing].begin(), innerRingsList[currentRing].end()));
innerRingsList[currentRing].clear();
}
// Split self touching rings and correct winding
std::vector<Ring *> outerRingsToBuild;
std::vector<Ring *> innerRingsToClassify;
std::vector<std::vector<Ring> > innerRingsToBuild;
// Get outer rings
for (unsigned int currentRings = 0; currentRings < outerRings.size(); currentRings++) {
if (!outerRings[currentRings].is_simple()) {
std::cout << "\tFeature #" << feature->GetFID() << " (" << outerRings[currentRings].size() << " vertices): self intersecting outer boundary #" << currentRings << ". Split." << std::endl;
std::vector<Ring *> receivedRings = splitRing(outerRings[currentRings]);
for (std::vector<Ring *>::iterator currentRing = receivedRings.begin(); currentRing != receivedRings.end(); ++currentRing) {
if ((*currentRing)->is_clockwise_oriented()) {
outerRingsToBuild.push_back(*currentRing);
} else {
innerRingsToClassify.push_back(*currentRing);
}
}
} else {
if (outerRings[currentRings].is_counterclockwise_oriented()) {
std::cout << "\tFeature #" << feature->GetFID() << ": incorrect winding in outer boundary #" << currentRings << ". Reversed." << std::endl;
outerRings[currentRings].reverse_orientation();
} outerRingsToBuild.push_back(new Ring(outerRings[currentRings]));
outerRings[currentRings].clear();
}
}
// Get inner rings
for (unsigned int currentRings = 0; currentRings < innerRings.size(); currentRings++) {
if (!innerRings[currentRings].is_simple()) {
std::cout << "\tFeature #" << feature->GetFID() << " (" << innerRings[currentRings].size() << " vertices): self intersecting inner boundary #" << currentRings << ". Split." << std::endl;
std::vector<Ring *> receivedRings = splitRing(innerRings[currentRings]);
for (std::vector<Ring *>::iterator currentRing = receivedRings.begin(); currentRing != receivedRings.end(); ++currentRing) {
if ((*currentRing)->is_clockwise_oriented()) {
innerRingsToClassify.push_back(*currentRing);
} else {
outerRingsToBuild.push_back(*currentRing);
}
}
} else {
if (innerRings[currentRings].is_clockwise_oriented()) {
std::cout << "\tFeature #" << feature->GetFID() << ": incorrect winding in inner boundary #" << currentRings << ". Reversed." << std::endl;
innerRings[currentRings].reverse_orientation();
} innerRingsToClassify.push_back(new Ring(innerRings[currentRings]));
innerRings[currentRings].clear();
}
}
// Make space for inner rings
for (std::vector<Ring *>::iterator currentRing = outerRingsToBuild.begin(); currentRing != outerRingsToBuild.end(); ++currentRing) {
innerRingsToBuild.push_back(std::vector<Ring>());
}
// Put inner rings into the correct outer ring (and likely other ones). Incorrectly nested rings are found here.
if (outerRingsToBuild.size() == 0) {
// Outer ring had no area or there wasn't any. Delete all inner rings
std::cout << "\tFeature #" << feature->GetFID() << ": zero area outer boundary. Inner boundaries removed." << std::endl;
for (std::vector<Ring *>::iterator currentRing = innerRingsToClassify.begin(); currentRing != innerRingsToClassify.end(); ++currentRing) {
delete *currentRing;
}
}
// Now check them and put them in place
else if (innerRingsToClassify.size() > 0) {
testRings(outerRingsToBuild, innerRingsToClassify, innerRingsToBuild, feature->GetFID());
}
// Let's move on to CGAL data structures for Polygons
for (unsigned int currentPolygon = 0; currentPolygon < outerRingsToBuild.size(); ++currentPolygon) {
polygonsVector.push_back(Polygon(*outerRingsToBuild[currentPolygon], innerRingsToBuild[currentPolygon].begin(), innerRingsToBuild[currentPolygon].end()));
} outerRingsToBuild.clear();
innerRingsToBuild.clear();
// STEP 3: Introduce edges as constraints in the triangulation
for (std::vector<Polygon>::iterator currentPolygon = polygonsVector.begin(); currentPolygon != polygonsVector.end(); ++currentPolygon) {
// Create and save polygon handle
PolygonHandle *handle = new PolygonHandle(schemaIndex, fileNames.back(), currentLayer, feature->GetFID());
polygons.push_back(handle);
// Save other attributes to put back later
copyFields(feature, handle);
// Create edges vector for this handle
edgesToTag.push_back(std::pair<std::vector<Triangulation::Constraint_id>, std::vector<std::vector<Triangulation::Constraint_id>>>());
// Insert edges into the triangulation and edges vector
for (Ring::Edge_const_iterator currentEdge = currentPolygon->outer_boundary().edges_begin();
currentEdge != currentPolygon->outer_boundary().edges_end();
++currentEdge) {
Triangulation::Vertex_handle sourceVertex = triangulation.insert(currentEdge->source(), startingSearchFace);
startingSearchFace = triangulation.incident_faces(sourceVertex);
Triangulation::Vertex_handle targetVertex = triangulation.insert(currentEdge->target(), startingSearchFace);
Triangulation::Constraint_id cid = triangulation.insert_constraint(sourceVertex, targetVertex);
startingSearchFace = triangulation.incident_faces(targetVertex);
edgesToTag.back().first.push_back(cid);
} for (Polygon::Hole_const_iterator currentRing = currentPolygon->holes_begin(); currentRing != currentPolygon->holes_end(); ++currentRing) {
edgesToTag.back().second.push_back(std::vector<Triangulation::Constraint_id>());
for (Ring::Edge_const_iterator currentEdge = currentRing->edges_begin(); currentEdge != currentRing->edges_end(); ++currentEdge) {
Triangulation::Vertex_handle sourceVertex = triangulation.insert(currentEdge->source(), startingSearchFace);
startingSearchFace = triangulation.incident_faces(sourceVertex);
Triangulation::Vertex_handle targetVertex = triangulation.insert(currentEdge->target(), startingSearchFace);
Triangulation::Constraint_id cid = triangulation.insert_constraint(sourceVertex, targetVertex);
startingSearchFace = triangulation.incident_faces(targetVertex);
edgesToTag.back().second.back().push_back(cid);
}
}
}
// Free memory
polygonsVector.clear();
// Free OGR feature
OGRFeature::DestroyFeature(feature);
}
}
// Free OGR data source
GDALClose(dataSource);
return true;
}
bool IOWorker::tagTriangulation(Triangulation &triangulation, TaggingVector &edgesToTag) {
std::stack<Triangulation::Face_handle> stack;
Triangulation::Vertices_in_constraint_iterator previousVertex, currentVertex;
Triangulation::Face_handle currentFace;
Triangulation::Constraint_id cid;
int incident;
// Add all edges of a polygon
for (unsigned int currentPolygon = 0; currentPolygon < edgesToTag.size(); ++currentPolygon) {
// Outer boundary
for (unsigned int currentEdge = 0; currentEdge < edgesToTag[currentPolygon].first.size(); ++currentEdge) {
cid = edgesToTag[currentPolygon].first[currentEdge];
previousVertex = triangulation.vertices_in_constraint_begin(cid);
currentVertex = previousVertex;
++currentVertex;
while (currentVertex != triangulation.vertices_in_constraint_end(cid)) {
if (!triangulation.is_edge(*previousVertex, *currentVertex, currentFace, incident)) {
std::cout << "\tError: Cannot find adjoining face to an edge from the edge list!" << std::endl;
return false;
}
previousVertex = currentVertex;
++currentVertex;
stack.push(currentFace);
}
}
// Free memory for boundaries
edgesToTag[currentPolygon].first.clear();
edgesToTag[currentPolygon].second.clear();
// Expand the tags
tagStack(stack, polygons[currentPolygon]);
}
// Free remaining memory
edgesToTag.clear();
// Tag the universe
currentFace = triangulation.infinite_face();
stack.push(currentFace);
tagStack(stack, &universe);
return true;
}
bool IOWorker::makeAllHolesValid(Triangulation &triangulation) {
for (Triangulation::Finite_faces_iterator currentFace = triangulation.finite_faces_begin(); currentFace != triangulation.finite_faces_end(); ++currentFace) {
if (currentFace->info().hasNoTags()) {
currentFace->info().addTag(&universe);
}
}
return true;
}
bool IOWorker::splitRegions(Triangulation &triangulation, double ratio) {
double shortSide, longSide, thisSide;
unsigned int whichSide, splits = 0;
for (Triangulation::Finite_faces_iterator currentFace = triangulation.finite_faces_begin(); currentFace != triangulation.finite_faces_end(); ++currentFace) {
// Check for the longest and shortest sides
shortSide = longSide = sqrt(CGAL::to_double(triangulation.segment(currentFace, 0).squared_length()));
whichSide = 0;
thisSide = sqrt(CGAL::to_double(triangulation.segment(currentFace, 1).squared_length()));
if (thisSide > longSide) longSide = thisSide;
else if (thisSide < shortSide) {
shortSide = thisSide;
whichSide = 1;
} thisSide = sqrt(CGAL::to_double(triangulation.segment(currentFace, 2).squared_length()));
if (thisSide > longSide) longSide = thisSide;
else if (thisSide < shortSide) {
shortSide = thisSide;
whichSide = 2;
}
// Add constrained edge if they exceed the long/short ratio
if (longSide/shortSide >= ratio) {
currentFace->set_constraint(whichSide, true);
++splits;
}
}
std::cout << "\t" << splits << " constrained edges added." << std::endl;
return true;
}
bool IOWorker::repairTrianglesByNumberOfNeighbours(Triangulation &triangulation, bool alsoUniverse) {
bool repaired = true;
// Use a temporary vector to make it deterministic and order independent
std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> > facesToRepair;
for (Triangulation::Finite_faces_iterator currentFace = triangulation.finite_faces_begin(); currentFace != triangulation.finite_faces_end(); ++currentFace) {
std::map<PolygonHandle *, unsigned int> tagCount;
if (!currentFace->info().hasOneTag()) {
// Count the number of times each tag appears
addtoCount(tagCount, currentFace->neighbor(0)->info().getTags());
addtoCount(tagCount, currentFace->neighbor(1)->info().getTags());
addtoCount(tagCount, currentFace->neighbor(2)->info().getTags());
// Find the tag with highest count
unsigned int maxCount = 0;
std::map<PolygonHandle *, unsigned int>::iterator mostTimesAppeared = tagCount.end();
for (std::map<PolygonHandle *, unsigned int>::iterator currentCount = tagCount.begin(); currentCount != tagCount.end(); ++currentCount) {
if (currentCount->first != NULL && (alsoUniverse || currentCount->first != &universe)) {
if (currentCount->second > maxCount && (currentFace->info().hasTag(currentCount->first) || currentFace->info().hasNoTags())) {
currentCount->second = maxCount;
mostTimesAppeared = currentCount;
} else if (currentCount->second == maxCount) {
mostTimesAppeared = tagCount.end();
}
}
}
// Assign the triangle to the tag with the highest count (if there is one)
if (mostTimesAppeared == tagCount.end()) repaired = false;
else facesToRepair.push_back(std::pair<Triangulation::Face_handle, PolygonHandle *>(currentFace, mostTimesAppeared->first));
}
}
// Re-tag faces in the vector
for (std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> >::iterator currentFace = facesToRepair.begin(); currentFace != facesToRepair.end(); ++currentFace) {
currentFace->first->info().removeAllTags();
currentFace->first->info().addTag(currentFace->second);
}
return repaired;
}
bool IOWorker::repairTrianglesByAbsoluteMajority(Triangulation &triangulation, bool alsoUniverse) {
bool repaired = true;
// Put faces to repair in the vector
// Use a temporary vector to make it deterministic and order independent
std::vector<std::pair<Triangulation::Face_handle, Triangulation::Face_handle> > facesToRepair;
for (Triangulation::Finite_faces_iterator currentFace = triangulation.finite_faces_begin(); currentFace != triangulation.finite_faces_end(); ++currentFace) {
if (!currentFace->info().hasOneTag()) {
if (currentFace->neighbor(0)->info().hasOneTag() && currentFace->neighbor(1)->info().hasOneTag() &&
currentFace->neighbor(0)->info().getTags() == currentFace->neighbor(1)->info().getTags() &&
(currentFace->info().hasTag(currentFace->neighbor(0)->info().getTags()) || currentFace->info().hasNoTags())) {
if ((currentFace->neighbor(0)->info().getTags() != &universe &&
currentFace->neighbor(0)->info().getTags() != NULL) ||
alsoUniverse) {
facesToRepair.push_back(std::pair<Triangulation::Face_handle, Triangulation::Face_handle>(currentFace, currentFace->neighbor(0)));
}
} else if (currentFace->neighbor(0)->info().hasOneTag() && currentFace->neighbor(2)->info().hasOneTag() &&
currentFace->neighbor(0)->info().getTags() == currentFace->neighbor(2)->info().getTags() &&
(currentFace->info().hasTag(currentFace->neighbor(2)->info().getTags()) || currentFace->info().hasNoTags())) {
if ((currentFace->neighbor(2)->info().getTags() != &universe &&
currentFace->neighbor(2)->info().getTags() != NULL) ||
alsoUniverse) {
facesToRepair.push_back(std::pair<Triangulation::Face_handle, Triangulation::Face_handle>(currentFace, currentFace->neighbor(2)));
}
} else if (currentFace->neighbor(1)->info().hasOneTag() && currentFace->neighbor(2)->info().hasOneTag() &&
currentFace->neighbor(1)->info().getTags() == currentFace->neighbor(2)->info().getTags() &&
(currentFace->info().hasTag(currentFace->neighbor(1)->info().getTags()) || currentFace->info().hasNoTags())) {
if ((currentFace->neighbor(1)->info().getTags() != &universe &&
currentFace->neighbor(1)->info().getTags() != NULL) ||
alsoUniverse) {
facesToRepair.push_back(std::pair<Triangulation::Face_handle, Triangulation::Face_handle>(currentFace, currentFace->neighbor(1)));
}
} else {
repaired = false;
}
}
}
// Re-tag faces in the vector
for (std::vector<std::pair<Triangulation::Face_handle, Triangulation::Face_handle> >::iterator currentFace = facesToRepair.begin();
currentFace != facesToRepair.end();
++currentFace) {
currentFace->first->info().removeAllTags();
currentFace->first->info().addTag(currentFace->second->info().getTags());
}
return repaired;
}
bool IOWorker::repairTrianglesByLongestBoundary(Triangulation &triangulation, bool alsoUniverse) {
bool repaired = true;
// Use a temporary vector to make it deterministic and order independent
std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> > facesToRepair;
for (Triangulation::Finite_faces_iterator currentFace = triangulation.finite_faces_begin(); currentFace != triangulation.finite_faces_end(); ++currentFace) {
std::map<PolygonHandle *, double> tagBoundaryLength;
if (!currentFace->info().hasOneTag()) {
// Add up the boundary for each tag
addToLength(tagBoundaryLength, currentFace->neighbor(0)->info().getTags(), sqrt(CGAL::to_double(triangulation.segment(currentFace, 0).squared_length())));
addToLength(tagBoundaryLength, currentFace->neighbor(1)->info().getTags(), sqrt(CGAL::to_double(triangulation.segment(currentFace, 1).squared_length())));
addToLength(tagBoundaryLength, currentFace->neighbor(2)->info().getTags(), sqrt(CGAL::to_double(triangulation.segment(currentFace, 2).squared_length())));
// Find the tag with longest boundary
double maxLength = 0.0;
std::map<PolygonHandle *, double>::iterator longest = tagBoundaryLength.end();
for (std::map<PolygonHandle *, double>::iterator currentLength = tagBoundaryLength.begin(); currentLength != tagBoundaryLength.end(); ++currentLength) {
if (currentLength->first != NULL && (alsoUniverse || currentLength->first != &universe)) {
if (currentLength->second > maxLength && (currentFace->info().hasTag(currentLength->first) || currentFace->info().hasNoTags())) {
maxLength = currentLength->second;
longest = currentLength;
} else if (currentLength->second == maxLength) {
longest = tagBoundaryLength.end();
}
}
}
// Assign the triangle to the tag with the longest boundary (if there is one)
if (longest == tagBoundaryLength.end()) repaired = false;
else facesToRepair.push_back(std::pair<Triangulation::Face_handle, PolygonHandle *>(currentFace, longest->first));
}
}
// Re-tag faces in the vector
for (std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> >::iterator currentFace = facesToRepair.begin(); currentFace != facesToRepair.end(); ++currentFace) {
currentFace->first->info().removeAllTags();
currentFace->first->info().addTag(currentFace->second);
}
return repaired;
}
bool IOWorker::repairRegionsByLongestBoundary(Triangulation &triangulation, bool alsoUniverse) {
bool repaired = true;
// Use a temporary vector to make it deterministic and order independent
std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> > facesToRepair;
std::set<Triangulation::Face_handle> processedFaces;
for (Triangulation::Finite_faces_iterator currentFace = triangulation.finite_faces_begin(); currentFace != triangulation.finite_faces_end(); ++currentFace) {
std::map<PolygonHandle *, double> tagBoundaryLength;
if (!currentFace->info().hasOneTag() && !processedFaces.count(currentFace)) {
// Expand this triangle into a complete region
std::set<Triangulation::Face_handle> facesInRegion;
facesInRegion.insert(currentFace);
std::stack<Triangulation::Face_handle> facesToProcess;
facesToProcess.push(currentFace);
while (facesToProcess.size() > 0) {
Triangulation::Face_handle currentFaceInStack = facesToProcess.top();
facesToProcess.pop();
processedFaces.insert(currentFaceInStack);
if (!currentFaceInStack->neighbor(0)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(0)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 0))) {
facesInRegion.insert(currentFaceInStack->neighbor(0));
facesToProcess.push(currentFaceInStack->neighbor(0));
} if (!currentFaceInStack->neighbor(1)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(1)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 1))) {
facesInRegion.insert(currentFaceInStack->neighbor(1));
facesToProcess.push(currentFaceInStack->neighbor(1));
} if (!currentFaceInStack->neighbor(2)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(2)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 2))) {
facesInRegion.insert(currentFaceInStack->neighbor(2));
facesToProcess.push(currentFaceInStack->neighbor(2));
}
}
// Add up the boundary for each triangle and tag
for (std::set<Triangulation::Face_handle>::iterator currentFaceInRegion = facesInRegion.begin(); currentFaceInRegion != facesInRegion.end(); ++currentFaceInRegion) {
if (!facesInRegion.count((*currentFaceInRegion)->neighbor(0))) {
addToLength(tagBoundaryLength, (*currentFaceInRegion)->neighbor(0)->info().getTags(), sqrt(CGAL::to_double(triangulation.segment(*currentFaceInRegion, 0).squared_length())));
} if (!facesInRegion.count((*currentFaceInRegion)->neighbor(1))) {
addToLength(tagBoundaryLength, (*currentFaceInRegion)->neighbor(1)->info().getTags(), sqrt(CGAL::to_double(triangulation.segment(*currentFaceInRegion, 1).squared_length())));
} if (!facesInRegion.count((*currentFaceInRegion)->neighbor(2))) {
addToLength(tagBoundaryLength, (*currentFaceInRegion)->neighbor(2)->info().getTags(), sqrt(CGAL::to_double(triangulation.segment(*currentFaceInRegion, 2).squared_length())));
}
}
// Find the tag with longest boundary
double maxLength = 0.0;
std::map<PolygonHandle *, double>::iterator longest = tagBoundaryLength.end();
for (std::map<PolygonHandle *, double>::iterator currentLength = tagBoundaryLength.begin(); currentLength != tagBoundaryLength.end(); ++currentLength) {
if (currentLength->first != NULL && (alsoUniverse || currentLength->first != &universe)) {
if (currentLength->second > maxLength && (currentFace->info().hasTag(currentLength->first) || currentFace->info().hasNoTags())) {
maxLength = currentLength->second;
longest = currentLength;
} else if (currentLength->second == maxLength) {
longest = tagBoundaryLength.end();
}
}
}
// Assign the region to the tag with the longest boundary (if there is one)
if (longest == tagBoundaryLength.end()) repaired = false;
else {
for (std::set<Triangulation::Face_handle>::iterator currentFaceInRegion = facesInRegion.begin(); currentFaceInRegion != facesInRegion.end(); ++currentFaceInRegion) {
facesToRepair.push_back(std::pair<Triangulation::Face_handle, PolygonHandle *>(*currentFaceInRegion, longest->first));
}
}
}
}
// Re-tag faces in the vector
for (std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> >::iterator currentFace = facesToRepair.begin(); currentFace != facesToRepair.end(); ++currentFace) {
currentFace->first->info().removeAllTags();
currentFace->first->info().addTag(currentFace->second);
}
return repaired;
}
bool IOWorker::repairRegionsByRandomNeighbour(Triangulation &triangulation, bool alsoUniverse) {
bool repaired = true;
// Use a temporary vector to make it deterministic and order independent
std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> > facesToRepair;
std::set<Triangulation::Face_handle> processedFaces;
for (Triangulation::Finite_faces_iterator currentFace = triangulation.finite_faces_begin(); currentFace != triangulation.finite_faces_end(); ++currentFace) {
if (!currentFace->info().hasOneTag() && !processedFaces.count(currentFace)) {
// Expand this triangle into a complete region
std::set<Triangulation::Face_handle> facesInRegion;
facesInRegion.insert(currentFace);
std::stack<Triangulation::Face_handle> facesToProcess;
facesToProcess.push(currentFace);
while (facesToProcess.size() > 0) {
Triangulation::Face_handle currentFaceInStack = facesToProcess.top();
facesToProcess.pop();
processedFaces.insert(currentFaceInStack);
if (!currentFaceInStack->neighbor(0)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(0)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 0))) {
facesInRegion.insert(currentFaceInStack->neighbor(0));
facesToProcess.push(currentFaceInStack->neighbor(0));
} if (!currentFaceInStack->neighbor(1)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(1)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 1))) {
facesInRegion.insert(currentFaceInStack->neighbor(1));
facesToProcess.push(currentFaceInStack->neighbor(1));
} if (!currentFaceInStack->neighbor(2)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(2)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 2))) {
facesInRegion.insert(currentFaceInStack->neighbor(2));
facesToProcess.push(currentFaceInStack->neighbor(2));
}
}
// Find a random tag
PolygonHandle *tagToAssign;
while (true) {
std::set<Triangulation::Face_handle>::iterator randomFace = facesInRegion.begin();
std::advance(randomFace, rand()%facesInRegion.size());
int neighbourIndex = rand()%3;
unsigned long numberOfTags = (*randomFace)->neighbor(neighbourIndex)->info().numberOfTags();
if (numberOfTags == 0) continue;
if (numberOfTags == 1) {
tagToAssign = (*randomFace)->neighbor(neighbourIndex)->info().getTags();
if (alsoUniverse || tagToAssign != &universe) break;
} else {
std::list<PolygonHandle *>::const_iterator randomTag = static_cast<MultiPolygonHandle *>((*randomFace)->neighbor(neighbourIndex)->info().getTags())->getHandles()->begin();
std::advance(randomTag, rand()%numberOfTags);
tagToAssign = *randomTag;
if (alsoUniverse || tagToAssign != &universe) break;
}
}
// Assign the region to the random tag
for (std::set<Triangulation::Face_handle>::iterator currentFaceInRegion = facesInRegion.begin(); currentFaceInRegion != facesInRegion.end(); ++currentFaceInRegion) {
facesToRepair.push_back(std::pair<Triangulation::Face_handle, PolygonHandle *>(*currentFaceInRegion, tagToAssign));
}
}
}
// Re-tag faces in the vector
for (std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> >::iterator currentFace = facesToRepair.begin(); currentFace != facesToRepair.end(); ++currentFace) {
currentFace->first->info().removeAllTags();
currentFace->first->info().addTag(currentFace->second);
}
return repaired;
}
bool IOWorker::repairByPriorityList(Triangulation &triangulation, const char *file) {
// Process priority file
std::ifstream priorityFile;
priorityFile.open(file, std::ios::in);
if (!priorityFile.is_open()) {
std::cout << "Priority file could not be opened." << std::endl;
return false;
} std::map<Field *, unsigned int, FieldComparator> priorityMap;
unsigned int currentPriority = 0;
while (!priorityFile.eof()) {
switch (schemaFieldType) {
case OFTString: {
std::string fieldAsString;
std::getline(priorityFile, fieldAsString); // If we deal with strings take a whole line (since spaces could be valid)
StringField *newField = new StringField(fieldAsString.c_str());
priorityMap[newField] = currentPriority;
break;
} case OFTReal: {
double fieldAsDouble;
priorityFile >> fieldAsDouble;
DoubleField *newField = new DoubleField(fieldAsDouble);
priorityMap[newField] = currentPriority;
} case OFTInteger: {
int fieldAsInt;
priorityFile >> fieldAsInt;
IntField *newField = new IntField(fieldAsInt);
priorityMap[newField] = currentPriority;
} default: {
std::cout << "Field type not supported." << std::endl;
std::string fieldAsString;
std::getline(priorityFile, fieldAsString);
break;
}
} ++currentPriority;
} priorityFile.close();
// Use a temporary vector to make it deterministic and order independent
std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> > facesToRepair;
std::set<Triangulation::Face_handle> processedFaces;
for (Triangulation::Finite_faces_iterator currentFace = triangulation.finite_faces_begin(); currentFace != triangulation.finite_faces_end(); ++currentFace) {
if (!currentFace->info().hasOneTag() && !processedFaces.count(currentFace)) {
// Expand this triangle into a complete region
std::set<Triangulation::Face_handle> facesInRegion;
facesInRegion.insert(currentFace);
std::stack<Triangulation::Face_handle> facesToProcess;
facesToProcess.push(currentFace);
while (facesToProcess.size() > 0) {
Triangulation::Face_handle currentFaceInStack = facesToProcess.top();
facesToProcess.pop();
processedFaces.insert(currentFaceInStack);
if (!currentFaceInStack->neighbor(0)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(0)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 0))) {
facesInRegion.insert(currentFaceInStack->neighbor(0));
facesToProcess.push(currentFaceInStack->neighbor(0));
} if (!currentFaceInStack->neighbor(1)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(1)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 1))) {
facesInRegion.insert(currentFaceInStack->neighbor(1));
facesToProcess.push(currentFaceInStack->neighbor(1));
} if (!currentFaceInStack->neighbor(2)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(2)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 2))) {
facesInRegion.insert(currentFaceInStack->neighbor(2));
facesToProcess.push(currentFaceInStack->neighbor(2));
}
}
// Find the tag with the highest priority
PolygonHandle *tagToAssign = NULL;
unsigned int priorityOfTag = UINT_MAX;
for (std::set<Triangulation::Face_handle>::iterator currentFaceInRegion = facesInRegion.begin(); currentFaceInRegion != facesInRegion.end(); ++currentFaceInRegion) {
// Gap, check neighbours
if ((*currentFaceInRegion)->info().hasNoTags()) {
if (!(*currentFaceInRegion)->neighbor(0)->info().hasNoTags()) {
if ((*currentFaceInRegion)->neighbor(0)->info().hasOneTag() && (*currentFaceInRegion)->neighbor(0)->info().getTags() != &universe) {
if (priorityMap[(*currentFaceInRegion)->neighbor(0)->info().getTags()->getSchemaField()] < priorityOfTag) {
priorityOfTag = priorityMap[(*currentFaceInRegion)->neighbor(0)->info().getTags()->getSchemaField()];
tagToAssign = (*currentFaceInRegion)->neighbor(0)->info().getTags();
}
} else {
MultiPolygonHandle *handle = static_cast<MultiPolygonHandle *>((*currentFaceInRegion)->neighbor(0)->info().getTags());
for (std::list<PolygonHandle *>::const_iterator currentTag = handle->getHandles()->begin(); currentTag != handle->getHandles()->end(); ++currentTag) {
if (*currentTag == &universe) continue;
if (priorityMap[(*currentTag)->getSchemaField()] < priorityOfTag) {
priorityOfTag = priorityMap[(*currentTag)->getSchemaField()];
tagToAssign = *currentTag;
}
}
}
} if (!(*currentFaceInRegion)->neighbor(1)->info().hasNoTags()) {
if ((*currentFaceInRegion)->neighbor(1)->info().hasOneTag() && (*currentFaceInRegion)->neighbor(1)->info().getTags() != &universe) {
if (priorityMap[(*currentFaceInRegion)->neighbor(1)->info().getTags()->getSchemaField()] < priorityOfTag) {
priorityOfTag = priorityMap[(*currentFaceInRegion)->neighbor(1)->info().getTags()->getSchemaField()];
tagToAssign = (*currentFaceInRegion)->neighbor(1)->info().getTags();
}
} else {
MultiPolygonHandle *handle = static_cast<MultiPolygonHandle *>((*currentFaceInRegion)->neighbor(1)->info().getTags());
for (std::list<PolygonHandle *>::const_iterator currentTag = handle->getHandles()->begin(); currentTag != handle->getHandles()->end(); ++currentTag) {
if (*currentTag == &universe) continue;
if (priorityMap[(*currentTag)->getSchemaField()] < priorityOfTag) {
priorityOfTag = priorityMap[(*currentTag)->getSchemaField()];
tagToAssign = *currentTag;
}
}
}
} if (!(*currentFaceInRegion)->neighbor(2)->info().hasNoTags()) {
if ((*currentFaceInRegion)->neighbor(2)->info().hasOneTag() && (*currentFaceInRegion)->neighbor(2)->info().getTags() != &universe) {
if (priorityMap[(*currentFaceInRegion)->neighbor(2)->info().getTags()->getSchemaField()] < priorityOfTag) {
priorityOfTag = priorityMap[(*currentFaceInRegion)->neighbor(2)->info().getTags()->getSchemaField()];
tagToAssign = (*currentFaceInRegion)->neighbor(2)->info().getTags();
}
} else {
MultiPolygonHandle *handle = static_cast<MultiPolygonHandle *>((*currentFaceInRegion)->neighbor(2)->info().getTags());
for (std::list<PolygonHandle *>::const_iterator currentTag = handle->getHandles()->begin(); currentTag != handle->getHandles()->end(); ++currentTag) {
if (*currentTag == &universe) continue;
if (priorityMap[(*currentTag)->getSchemaField()] < priorityOfTag) {
priorityOfTag = priorityMap[(*currentTag)->getSchemaField()];
tagToAssign = *currentTag;
}
}
}
}
}
// Overlap, check this one
else {
if ((*currentFaceInRegion)->info().hasOneTag() && (*currentFaceInRegion)->info().getTags() != &universe) {
if (priorityMap[(*currentFaceInRegion)->info().getTags()->getSchemaField()] < priorityOfTag) {
priorityOfTag = priorityMap[(*currentFaceInRegion)->info().getTags()->getSchemaField()];
tagToAssign = (*currentFaceInRegion)->info().getTags();
}
} else {
MultiPolygonHandle *handle = static_cast<MultiPolygonHandle *>((*currentFaceInRegion)->info().getTags());
for (std::list<PolygonHandle *>::const_iterator currentTag = handle->getHandles()->begin(); currentTag != handle->getHandles()->end(); ++currentTag) {
if (*currentTag == &universe) continue;
if (priorityMap[(*currentTag)->getSchemaField()] < priorityOfTag) {
priorityOfTag = priorityMap[(*currentTag)->getSchemaField()];
tagToAssign = *currentTag;
}
}
}
}
}
// Assign the tag to the triangles in the region
for (std::set<Triangulation::Face_handle>::iterator currentFaceInRegion = facesInRegion.begin(); currentFaceInRegion != facesInRegion.end(); ++currentFaceInRegion) {
facesToRepair.push_back(std::pair<Triangulation::Face_handle, PolygonHandle *>(*currentFaceInRegion, tagToAssign));
}
}
}
// Re-tag faces in the vector
for (std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> >::iterator currentFace = facesToRepair.begin(); currentFace != facesToRepair.end(); ++currentFace) {
currentFace->first->info().removeAllTags();
currentFace->first->info().addTag(currentFace->second);
}
return true;
}
bool IOWorker::repairEdgeMatching(Triangulation &triangulation, const char *file) {
// Process priority file
std::ifstream priorityFile;
priorityFile.open(file, std::ios::in);
if (!priorityFile.is_open()) {
std::cout << "Priority file could not be opened." << std::endl;
return false;
} std::map<Field *, unsigned int, FieldComparator> priorityMap;
unsigned int currentPriority = 0;
while (!priorityFile.eof()) {
switch (schemaFieldType) {
case OFTString: {
std::string fieldAsString;
std::getline(priorityFile, fieldAsString); // If we deal with strings take a whole line (since spaces could be valid)
StringField *newField = new StringField(fieldAsString.c_str());
priorityMap[newField] = currentPriority;
break;
} case OFTReal: {
double fieldAsDouble;
priorityFile >> fieldAsDouble;
DoubleField *newField = new DoubleField(fieldAsDouble);
priorityMap[newField] = currentPriority;
} case OFTInteger: {
int fieldAsInt;
priorityFile >> fieldAsInt;
IntField *newField = new IntField(fieldAsInt);
priorityMap[newField] = currentPriority;
} default: {
std::cout << "Field type not supported." << std::endl;
std::string fieldAsString;
std::getline(priorityFile, fieldAsString);
break;
}
} ++currentPriority;
} priorityFile.close();
// Use a temporary vector to make it deterministic and order independent
std::vector<std::pair<Triangulation::Face_handle, PolygonHandle *> > facesToRepair;
std::set<Triangulation::Face_handle> processedFaces;
for (Triangulation::Finite_faces_iterator currentFace = triangulation.finite_faces_begin(); currentFace != triangulation.finite_faces_end(); ++currentFace) {
if (!currentFace->info().hasOneTag() && !processedFaces.count(currentFace)) {
// Expand this triangle into a complete region
std::set<Triangulation::Face_handle> facesInRegion;
facesInRegion.insert(currentFace);
std::stack<Triangulation::Face_handle> facesToProcess;
facesToProcess.push(currentFace);
while (facesToProcess.size() > 0) {
Triangulation::Face_handle currentFaceInStack = facesToProcess.top();
facesToProcess.pop();
processedFaces.insert(currentFaceInStack);
if (!currentFaceInStack->neighbor(0)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(0)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 0))) {
facesInRegion.insert(currentFaceInStack->neighbor(0));
facesToProcess.push(currentFaceInStack->neighbor(0));
} if (!currentFaceInStack->neighbor(1)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(1)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 1))) {
facesInRegion.insert(currentFaceInStack->neighbor(1));
facesToProcess.push(currentFaceInStack->neighbor(1));
} if (!currentFaceInStack->neighbor(2)->info().hasOneTag() && !facesInRegion.count(currentFaceInStack->neighbor(2)) &&
!triangulation.is_constrained(std::pair<Triangulation::Face_handle, int>(currentFaceInStack, 2))) {
facesInRegion.insert(currentFaceInStack->neighbor(2));
facesToProcess.push(currentFaceInStack->neighbor(2));
}
}
// Find the tag with the highest priority
PolygonHandle *tagToAssign = NULL;
unsigned int priorityOfTagh = UINT_MAX;
unsigned int priorityOfTagg = 0;
for (std::set<Triangulation::Face_handle>::iterator currentFaceInRegion = facesInRegion.begin(); currentFaceInRegion != facesInRegion.end(); ++currentFaceInRegion) {
// Gap, check neighbours
if ((*currentFaceInRegion)->info().hasNoTags()) {
if (!(*currentFaceInRegion)->neighbor(0)->info().hasNoTags()) {
if ((*currentFaceInRegion)->neighbor(0)->info().hasOneTag() && (*currentFaceInRegion)->neighbor(0)->info().getTags() != &universe) {
if (priorityMap[(*currentFaceInRegion)->neighbor(0)->info().getTags()->getSchemaField()] >= priorityOfTagg) {
priorityOfTagg = priorityMap[(*currentFaceInRegion)->neighbor(0)->info().getTags()->getSchemaField()];
tagToAssign = (*currentFaceInRegion)->neighbor(0)->info().getTags();
}
} else {
MultiPolygonHandle *handle = static_cast<MultiPolygonHandle *>((*currentFaceInRegion)->neighbor(0)->info().getTags());
for (std::list<PolygonHandle *>::const_iterator currentTag = handle->getHandles()->begin(); currentTag != handle->getHandles()->end(); ++currentTag) {
if (*currentTag == &universe) continue;
if (priorityMap[(*currentTag)->getSchemaField()] < priorityOfTagg) {
priorityOfTagg = priorityMap[(*currentTag)->getSchemaField()];
tagToAssign = *currentTag;
}
}
}
} if (!(*currentFaceInRegion)->neighbor(1)->info().hasNoTags()) {
if ((*currentFaceInRegion)->neighbor(1)->info().hasOneTag() && (*currentFaceInRegion)->neighbor(1)->info().getTags() != &universe) {
if (priorityMap[(*currentFaceInRegion)->neighbor(1)->info().getTags()->getSchemaField()] >= priorityOfTagg) {
priorityOfTagg = priorityMap[(*currentFaceInRegion)->neighbor(1)->info().getTags()->getSchemaField()];
tagToAssign = (*currentFaceInRegion)->neighbor(1)->info().getTags();
}
} else {
MultiPolygonHandle *handle = static_cast<MultiPolygonHandle *>((*currentFaceInRegion)->neighbor(1)->info().getTags());
for (std::list<PolygonHandle *>::const_iterator currentTag = handle->getHandles()->begin(); currentTag != handle->getHandles()->end(); ++currentTag) {
if (*currentTag == &universe) continue;
if (priorityMap[(*currentTag)->getSchemaField()] < priorityOfTagg) {
priorityOfTagg = priorityMap[(*currentTag)->getSchemaField()];
tagToAssign = *currentTag;
}
}
}
} if (!(*currentFaceInRegion)->neighbor(2)->info().hasNoTags()) {
if ((*currentFaceInRegion)->neighbor(2)->info().hasOneTag() && (*currentFaceInRegion)->neighbor(2)->info().getTags() != &universe) {
if (priorityMap[(*currentFaceInRegion)->neighbor(2)->info().getTags()->getSchemaField()] < priorityOfTagg) {
priorityOfTagg = priorityMap[(*currentFaceInRegion)->neighbor(2)->info().getTags()->getSchemaField()];
tagToAssign = (*currentFaceInRegion)->neighbor(2)->info().getTags();
}
} else {
MultiPolygonHandle *handle = static_cast<MultiPolygonHandle *>((*currentFaceInRegion)->neighbor(2)->info().getTags());
for (std::list<PolygonHandle *>::const_iterator currentTag = handle->getHandles()->begin(); currentTag != handle->getHandles()->end(); ++currentTag) {
if (*currentTag == &universe) continue;
if (priorityMap[(*currentTag)->getSchemaField()] < priorityOfTagg) {
priorityOfTagg = priorityMap[(*currentTag)->getSchemaField()];
tagToAssign = *currentTag;
}
}
}
}
}
// Overlap, check this one
else {
if ((*currentFaceInRegion)->info().hasOneTag() && (*currentFaceInRegion)->info().getTags() != &universe) {
if (priorityMap[(*currentFaceInRegion)->info().getTags()->getSchemaField()] < priorityOfTagh) {
priorityOfTagh = priorityMap[(*currentFaceInRegion)->info().getTags()->getSchemaField()];
tagToAssign = (*currentFaceInRegion)->info().getTags();
}
} else {
MultiPolygonHandle *handle = static_cast<MultiPolygonHandle *>((*currentFaceInRegion)->info().getTags());
for (std::list<PolygonHandle *>::const_iterator currentTag = handle->getHandles()->begin(); currentTag != handle->getHandles()->end(); ++currentTag) {
if (*currentTag == &universe) continue;