Refactored code to compile under visual studio.

beam.hpp

@@ -3,6 +3,7 @@
 #include <assert.h>
 #include <cmath>
 #include <iostream>
+#include <string>
 
 struct RectangularBeamDimensions {
   inline static std::string name{"Rectangular"};

beamformfinder.cpp

@@ -19,7 +19,7 @@ void FormFinder::runUnitTests() {
   //  const size_t spanGridSize = 11;
   //  mesh.createSpanGrid(spanGridSize);
   beam.loadPly(
-      std::filesystem::path(groundOfTruthFolder).append("simpleBeam.ply"));
+      std::filesystem::path(groundOfTruthFolder).append("simpleBeam.ply").string());
   std::unordered_map<VertexIndex, std::unordered_set<DoFType>> fixedVertices;
   fixedVertices[0] = std::unordered_set<DoFType>{0, 1, 2, 3};
   fixedVertices[beam.VN() - 1] = std::unordered_set<DoFType>{1, 2};
@@ -50,7 +50,7 @@ void FormFinder::runUnitTests() {
   simpleBeam_simulationResults.save();
   const std::string simpleBeamGroundOfTruthBinaryFilename =
       std::filesystem::path(groundOfTruthFolder)
-          .append("SimpleBeam_displacements.eigenBin");
+          .append("SimpleBeam_displacements.eigenBin").string();
   assert(std::filesystem::exists(
       std::filesystem::path(simpleBeamGroundOfTruthBinaryFilename)));
   Eigen::MatrixXd simpleBeam_groundOfTruthDisplacements;
@@ -211,7 +211,7 @@ void FormFinder::reset() {
   history.clear();
   constrainedVertices.clear();
   rigidSupports.clear();
-  pMesh.release();
+  pMesh.reset();
   plotYValues.clear();
   plotHandle.reset();
   checkedForMaximumMoment = false;
@@ -219,6 +219,7 @@ void FormFinder::reset() {
   externalMomentsNorm = 0;
   mSettings.drawingStep = 1;
   Dt = mSettings.Dtini;
+  numOfDampings=0;
 }
 
 VectorType FormFinder::computeDisplacementDifferenceDerivative(
@@ -793,8 +794,8 @@ void FormFinder::updateResidualForcesOnTheFly(
           std::vector<std::pair<int, Vector6d>>(4, {-1, Vector6d()}));
   //  omp_lock_t writelock;
   //  omp_init_lock(&writelock);
-#pragma omp parallel for schedule(static) num_threads(8)
-  for (size_t ei = 0; ei < pMesh->EN(); ei++) {
+//#pragma omp parallel for //schedule(static) num_threads(8)
+  for (int ei = 0; ei < pMesh->EN(); ei++) {
     const EdgeType &e = pMesh->edge[ei];
     const SimulationMesh::VertexType &ev_j = *e.cV(0);
     const SimulationMesh::VertexType &ev_jplus1 = *e.cV(1);
@@ -1790,6 +1791,7 @@ FormFinder::executeSimulation(const std::shared_ptr<SimulationJob> &pJob,
   //    }
   //  }
 
+  pMesh.reset();
   pMesh = std::make_unique<SimulationMesh>(*pJob->pMesh);
   if (mSettings.beVerbose  ) {
     std::cout << "Executing simulation for mesh with:" << pMesh->VN()

csvfile.hpp

@@ -23,6 +23,14 @@ public:
       : fs_(), is_first_(true), separator_(separator), escape_seq_("\""),
         special_chars_("\"") {
     fs_.exceptions(std::ios::failbit | std::ios::badbit);
+    if (!std::filesystem::exists(std::filesystem::path("../OptimizationResults")
+        .append("statistics.csv")
+    )) {
+        std::ofstream outfile(std::filesystem::path("../OptimizationResults")
+        .append("statistics.csv")
+    .string());
+        outfile.close();
+}
     overwrite  ? fs_.open(filename, std::ios::trunc)
                    : fs_.open(filename, std::ios::app);
   }

edgemesh.cpp

@@ -183,21 +183,11 @@ bool VCGEdgeMesh::loadPly(const std::string plyFilename) {
   assert(std::filesystem::exists(usedPath));
   this->Clear();
   const bool useDefaultImporter = false;
-  if (useDefaultImporter) {
-    if (!loadUsingDefaultLoader(usedPath)) {
-      return false;
-    }
-
-    eigenEdgeNormals.resize(EN(), 3);
-    for (int i = 0; i < EN(); i++) {
-      eigenEdgeNormals.row(i) = Eigen::Vector3d(0, 1, 0);
-    }
-  } else {
     if (!loadUsingNanoply(usedPath)) {
       std::cerr << "Error: Unable to open " + usedPath << std::endl;
       return false;
     }
-  }
+
   getEdges(eigenEdges);
   getVertices(eigenVertices);
   vcg::tri::UpdateTopology<VCGEdgeMesh>::VertexEdge(*this);

edgemesh.hpp

@@ -53,7 +53,6 @@ public:
 
   Eigen::MatrixX3d getNormals() const;
 
-  bool loadUsingDefaultLoader(const std::string &plyFilename);
   bool hasProperty(const std::vector<nanoply::PlyProperty> &v,
                    const std::string &propertyName);
 

elementalmesh.cpp

@@ -38,6 +38,12 @@ SimulationMesh::SimulationMesh(VCGEdgeMesh &mesh) {
   eigenVertices = mesh.getEigenVertices();
 }
 
+SimulationMesh::~SimulationMesh()
+{
+    vcg::tri::Allocator<VCGEdgeMesh>::DeletePerEdgeAttribute<Element>(*this, elements);
+    vcg::tri::Allocator<VCGEdgeMesh>::DeletePerVertexAttribute<Node>(*this,nodes);
+}
+
 SimulationMesh::SimulationMesh(FlatPattern &pattern) {
   vcg::tri::MeshAssert<FlatPattern>::VertexNormalNormalized(pattern);
 

elementalmesh.hpp

@@ -23,6 +23,7 @@ private:
 public:
   PerEdgeAttributeHandle<Element> elements;
   PerVertexAttributeHandle<Node> nodes;
+  ~SimulationMesh();
   SimulationMesh(FlatPattern &pattern);
   SimulationMesh(ConstVCGEdgeMesh &edgeMesh);
   SimulationMesh(SimulationMesh &elementalMesh);

simulationhistoryplotter.hpp

@@ -75,7 +75,7 @@ struct SimulationResultsReporter {
 
       createPlots(simulationResult.history, simulationResultPath.string(),
                   graphSuffix);
-      writeStatistics(simulationResult, simulationResultPath);
+      writeStatistics(simulationResult, simulationResultPath.string());
     }
   }
   static void createPlot(const std::string &xLabel, const std::string &yLabel,

simulationresult.hpp

@@ -187,16 +187,15 @@ public:
     if (json.contains(jsonLabel_constrainedVertices)) {
       constrainedVertices =
           //      auto conV =
-          std::unordered_map<VertexIndex, std::unordered_set<int>>(
-              json[jsonLabel_constrainedVertices]);
+              json[jsonLabel_constrainedVertices].get<std::unordered_map<VertexIndex, std::unordered_set<int>>>();
       std::cout << "Loaded constrained vertices. Number of constrained "
                    "vertices found:"
                 << constrainedVertices.size() << std::endl;
     }
 
     if (json.contains(jsonLabel_nodalForces)) {
-      auto f = std::unordered_map<VertexIndex, std::array<double, 6>>(
-          json[jsonLabel_nodalForces]);
+      auto f (
+          json[jsonLabel_nodalForces].get<std::unordered_map<VertexIndex, std::array<double, 6>>>());
       for (const auto &forces : f) {
         nodalExternalForces[forces.first] = Vector6d(forces.second);
       }
@@ -221,7 +220,7 @@ public:
         std::filesystem::absolute(
             std::filesystem::canonical(
                 std::filesystem::path(pathFolderDirectory)))
-            .append(pMesh->getLabel() + ".ply");
+            .append(pMesh->getLabel() + ".ply").string();
     returnValue = pMesh->savePly(meshFilename);
     nlohmann::json json;
     json[jsonLabel_meshFilename] = meshFilename;
@@ -238,7 +237,7 @@ public:
 
     std::string jsonFilename(
         std::filesystem::path(pathFolderDirectory)
-            .append(pMesh->getLabel() + "_simScenario.json"));
+            .append(pMesh->getLabel() + "_simScenario.json").string());
     std::ofstream jsonFile(jsonFilename);
     jsonFile << json;
     std::cout << "Saved simulation job as:" << jsonFilename << std::endl;

topologyenumerator.cpp

@@ -130,7 +130,7 @@ void TopologyEnumerator::computeValidPatterns(
   if (debugIsOn) {
     // Export all valid edges in a ply
     patternAllValidEdges.savePly(
-        std::filesystem::path(resultsPath).append("allValidEdges.ply"));
+        std::filesystem::path(resultsPath).append("allValidEdges.ply").string());
   }
   //  statistics.numberOfValidEdges = validEdges.size();
 
@@ -357,7 +357,7 @@ std::vector<vcg::Point2i> TopologyEnumerator::getValidEdges(
           patternDuplicateEdges, p0, p1);
     }
     patternDuplicateEdges.savePly(
-        std::filesystem::path(duplicateEdgesPath).append("duplicateEdges.ply"));
+        std::filesystem::path(duplicateEdgesPath).append("duplicateEdges.ply").string());
   }
   statistics.numberOfDuplicateEdges = duplicateEdges.size();
 

topologyenumerator.hpp

@@ -156,7 +156,7 @@ private:
                       const size_t &numberOfDesiredEdges) const;
   std::vector<vcg::Point2i>
   getValidEdges(const std::vector<size_t> &numberOfNodesPerSlot,
-                const std::filesystem::__cxx11::path &resultsPath,
+                const std::filesystem::path &resultsPath,
                 const FlatPatternGeometry &patternGeometryAllEdges,
                 const std::vector<vcg::Point2i> &allPossibleEdges);
   std::unordered_set<size_t> computeDuplicateEdges();

vcgtrimesh.cpp

@@ -11,7 +11,7 @@ void VCGTriMesh::loadFromPlyFile(const std::string &filename) {
   mask |= nanoply::NanoPlyWrapper<VCGTriMesh>::IO_EDGEINDEX;
   mask |= nanoply::NanoPlyWrapper<VCGTriMesh>::IO_FACEINDEX;
   if (nanoply::NanoPlyWrapper<VCGTriMesh>::LoadModel(
-          std::filesystem::absolute(filename).c_str(), *this, mask) != 0) {
+          std::filesystem::absolute(filename).string().c_str(), *this, mask) != 0) {
     std::cout << "Could not load tri mesh" << std::endl;
   }
   vcg::tri::UpdateTopology<VCGTriMesh>::FaceFace(*this);
@@ -57,7 +57,7 @@ bool VCGTriMesh::savePly(const std::string plyFilename) {
 VCGTriMesh::VCGTriMesh() {}
 
 VCGTriMesh::VCGTriMesh(const std::string &filename) {
-  const std::string extension = std::filesystem::path(filename).extension();
+  const std::string extension = std::filesystem::path(filename).extension().string();
   if (extension == ".ply") {
     loadFromPlyFile(filename);
   } else if (extension == ".obj") {