Fix mesh hole

src/meshgenerator.cpp

@@ -45,7 +45,7 @@ void MeshGenerator::addPreviewRequirement()
 
 void MeshGenerator::addPartPreviewRequirement(const QString &partId)
 {
-    qDebug() << "addPartPreviewRequirement:" << partId;
+    //qDebug() << "addPartPreviewRequirement:" << partId;
     m_requirePartPreviewMap.insert(partId);
     if (m_partPreviewRenderMap.find(partId) == m_partPreviewRenderMap.end()) {
         ModelOfflineRender *render = new ModelOfflineRender;
@@ -104,13 +104,13 @@ void MeshGenerator::process()
     float originZ = valueOfKeyInMapOrEmpty(m_snapshot->canvas, "originZ").toFloat();
     bool originSettled = false;
     if (originX > 0 && originY > 0 && originZ > 0) {
-        qDebug() << "Use settled origin: " << originX << originY << originZ << " calculated:" << mainProfileMiddleX << mainProfileMiddleY << sideProfileMiddleX;
+        //qDebug() << "Use settled origin: " << originX << originY << originZ << " calculated:" << mainProfileMiddleX << mainProfileMiddleY << sideProfileMiddleX;
         mainProfileMiddleX = originX;
         mainProfileMiddleY = originY;
         sideProfileMiddleX = originZ;
         originSettled = true;
     } else {
-        qDebug() << "No settled origin, calculated:" << mainProfileMiddleX << mainProfileMiddleY << sideProfileMiddleX;
+        //qDebug() << "No settled origin, calculated:" << mainProfileMiddleX << mainProfileMiddleY << sideProfileMiddleX;
     }
     
     for (const auto &partIdIt: m_snapshot->partIdList) {
@@ -131,7 +131,7 @@ void MeshGenerator::process()
         QString partId = valueOfKeyInMapOrEmpty(edgeIt.second, "partId");
         QString fromNodeId = valueOfKeyInMapOrEmpty(edgeIt.second, "from");
         QString toNodeId = valueOfKeyInMapOrEmpty(edgeIt.second, "to");
-        qDebug() << "Processing edge " << fromNodeId << "<=>" << toNodeId;
+        //qDebug() << "Processing edge " << fromNodeId << "<=>" << toNodeId;
         const auto fromIt = m_snapshot->nodes.find(fromNodeId);
         const auto toIt = m_snapshot->nodes.find(toNodeId);
         if (fromIt == m_snapshot->nodes.end() || toIt == m_snapshot->nodes.end())
@@ -149,11 +149,11 @@ void MeshGenerator::process()
             float y = (valueOfKeyInMapOrEmpty(fromIt->second, "y").toFloat() - mainProfileMiddleY) / longHeight;
             float z = (valueOfKeyInMapOrEmpty(fromIt->second, "z").toFloat() - sideProfileMiddleX) / longHeight;
             bmeshFromNodeId = meshlite_bmesh_add_node(meshliteContext, bmeshId, x, y, z, radius);
-            qDebug() << "bmeshId[" << bmeshId << "] add node[" << bmeshFromNodeId << "]" << radius << x << y << z;
+            //qDebug() << "bmeshId[" << bmeshId << "] add node[" << bmeshFromNodeId << "]" << radius << x << y << z;
             bmeshNodeMap[fromNodeId] = bmeshFromNodeId;
         } else {
             bmeshFromNodeId = bmeshFromIt->second;
-            qDebug() << "bmeshId[" << bmeshId << "] use existed node[" << bmeshFromNodeId << "]";
+            //qDebug() << "bmeshId[" << bmeshId << "] use existed node[" << bmeshFromNodeId << "]";
         }
         
         int bmeshToNodeId = 0;
@@ -164,11 +164,11 @@ void MeshGenerator::process()
             float y = (valueOfKeyInMapOrEmpty(toIt->second, "y").toFloat() - mainProfileMiddleY) / longHeight;
             float z = (valueOfKeyInMapOrEmpty(toIt->second, "z").toFloat() - sideProfileMiddleX) / longHeight;
             bmeshToNodeId = meshlite_bmesh_add_node(meshliteContext, bmeshId, x, y, z, radius);
-            qDebug() << "bmeshId[" << bmeshId << "] add node[" << bmeshToNodeId << "]" << radius << x << y << z;
+            //qDebug() << "bmeshId[" << bmeshId << "] add node[" << bmeshToNodeId << "]" << radius << x << y << z;
             bmeshNodeMap[toNodeId] = bmeshToNodeId;
         } else {
             bmeshToNodeId = bmeshToIt->second;
-            qDebug() << "bmeshId[" << bmeshId << "] use existed node[" << bmeshToNodeId << "]";
+            //qDebug() << "bmeshId[" << bmeshId << "] use existed node[" << bmeshToNodeId << "]";
         }
         
         meshlite_bmesh_add_edge(meshliteContext, bmeshId, bmeshFromNodeId, bmeshToNodeId);
@@ -188,7 +188,7 @@ void MeshGenerator::process()
         float y = (valueOfKeyInMapOrEmpty(nodeIt.second, "y").toFloat() - mainProfileMiddleY) / longHeight;
         float z = (valueOfKeyInMapOrEmpty(nodeIt.second, "z").toFloat() - sideProfileMiddleX) / longHeight;
         int bmeshNodeId = meshlite_bmesh_add_node(meshliteContext, bmeshId, x, y, z, radius);
-        qDebug() << "bmeshId[" << bmeshId << "] add lonely node[" << bmeshNodeId << "]" << radius << x << y << z;
+        //qDebug() << "bmeshId[" << bmeshId << "] add lonely node[" << bmeshNodeId << "]" << radius << x << y << z;
         bmeshNodeMap[nodeIt.first] = bmeshNodeId;
     }
     
@@ -259,8 +259,8 @@ void MeshGenerator::process()
         } else {
             mergedMeshId = subdivMeshIds[0];
         }
-        if (mergedMeshId > 0)
+        //if (mergedMeshId > 0)
-            mergedMeshId = meshlite_combine_coplanar_faces(meshliteContext, mergedMeshId);
+        //    mergedMeshId = meshlite_combine_coplanar_faces(meshliteContext, mergedMeshId);
         if (mergedMeshId > 0) {
             int errorCount = 0;
             int subdivedMeshId = subdivMesh(meshliteContext, mergedMeshId, &errorCount);
@@ -283,8 +283,8 @@ void MeshGenerator::process()
         mergedMeshId = unionMeshs(meshliteContext, meshIds, &errorCount);
         if (errorCount)
             broken = true;
-        else if (mergedMeshId > 0)
+        //else if (mergedMeshId > 0)
-            mergedMeshId = meshlite_combine_coplanar_faces(meshliteContext, mergedMeshId);
+        //    mergedMeshId = meshlite_combine_coplanar_faces(meshliteContext, mergedMeshId);
     } else if (meshIds.size() > 0) {
         mergedMeshId = meshIds[0];
     }

src/meshutil.cpp

@@ -1,3 +1,4 @@
+#include <QDebug>
 #include "meshutil.h"
 #include "meshlite.h"
 
@@ -12,6 +13,7 @@
 // https://github.com/CGAL/cgal/issues/2875
 // https://doc.cgal.org/latest/Polygon_mesh_processing/Polygon_mesh_processing_2hausdorff_distance_remeshing_example_8cpp-example.html#a3
 // https://github.com/CGAL/cgal/blob/master/Subdivision_method_3/examples/Subdivision_method_3/CatmullClark_subdivision.cpp
+// https://doc.cgal.org/latest/Polygon_mesh_processing/index.html#title25
 #include <CGAL/Exact_predicates_exact_constructions_kernel.h>
 #include <CGAL/Surface_mesh.h>
 #include <CGAL/Polygon_mesh_processing/corefinement.h>
@@ -146,18 +148,22 @@ int unionMeshs(void *meshliteContext, const std::vector<int> &meshIds, int *erro
     std::vector<ExactMesh *> externalMeshs;
     for (size_t i = 0; i < meshIds.size(); i++) {
         int triangledMeshId = meshlite_triangulate(meshliteContext, meshIds[i]);
-        if (meshlite_is_triangulated_manifold(meshliteContext, triangledMeshId))
+        if (!meshlite_is_triangulated_manifold(meshliteContext, triangledMeshId))
-            externalMeshs.push_back(makeCgalMeshFromMeshlite<ExactKernel>(meshliteContext, triangledMeshId));
+            qDebug() << "Mesh is not manifold after triangulated:" << triangledMeshId;
+        externalMeshs.push_back(makeCgalMeshFromMeshlite<ExactKernel>(meshliteContext, triangledMeshId));
     }
     if (externalMeshs.size() > 0) {
         ExactMesh *mergedExternalMesh = externalMeshs[0];
         for (size_t i = 1; i < externalMeshs.size(); i++) {
-            if (!mergedExternalMesh)
+            if (!mergedExternalMesh) {
+                qDebug() << "Last union failed, break with remains unprocessed:" << (externalMeshs.size() - i);
                 break;
+            }
             ExactMesh *unionedExternalMesh = NULL;
             try {
                 unionedExternalMesh = unionCgalMeshs(mergedExternalMesh, externalMeshs[i]);
             } catch (...) {
+                qDebug() << "unionCgalMeshs throw exception";
                 if (errorCount)
                     (*errorCount)++;
             }
@@ -165,10 +171,21 @@ int unionMeshs(void *meshliteContext, const std::vector<int> &meshIds, int *erro
             if (unionedExternalMesh) {
                 delete mergedExternalMesh;
                 mergedExternalMesh = unionedExternalMesh;
+            } else {
+                if (errorCount)
+                    (*errorCount)++;
+                qDebug() << "unionCgalMeshs failed";
             }
         }
         if (mergedExternalMesh) {
             int mergedMeshId = makeMeshliteMeshFromCgal<ExactKernel>(meshliteContext, mergedExternalMesh);
+            if (mergedMeshId)
+                mergedMeshId = fixMeshHoles(meshliteContext, mergedMeshId);
+            else {
+                if (errorCount)
+                    (*errorCount)++;
+                qDebug() << "makeMeshliteMeshFromCgal failed";
+            }
             delete mergedExternalMesh;
             return mergedMeshId;
         }
@@ -206,8 +223,15 @@ int subdivMesh(void *meshliteContext, int meshId, int *errorCount)
         }
         if (simpleMesh)
             delete simpleMesh;
+        if (subdiviedMeshId)
+            subdiviedMeshId = fixMeshHoles(meshliteContext, subdiviedMeshId);
         return subdiviedMeshId;
 #endif
     }
     return meshlite_subdivide(meshliteContext, meshId);
 }
+
+int fixMeshHoles(void *meshliteContext, int meshId)
+{
+    return meshlite_fix_hole(meshliteContext, meshId);
+}

src/meshutil.h

@@ -5,5 +5,6 @@
 int mergeMeshs(void *meshliteContext, const std::vector<int> &meshIds);
 int unionMeshs(void *meshliteContext, const std::vector<int> &meshIds, int *errorCount=0);
 int subdivMesh(void *meshliteContext, int meshId, int *errorCount=0);
+int fixMeshHoles(void *meshliteContext, int meshId);
 
 #endif

src/modelofflinerender.cpp

@@ -105,8 +105,6 @@ QImage ModelOfflineRender::toImage(const QSize &size)
 
     image = renderFbo->toImage();
 
-    qDebug() << "Generated image size:" << image.size();
-
     renderFbo->bindDefault();
     delete renderFbo;
 

src/skeletonsnapshot.cpp

@@ -50,9 +50,9 @@ void SkeletonSnapshot::resolveBoundingBox(QRectF *mainProfile, QRectF *sideProfi
     }
     *mainProfile = QRectF(QPointF(left, top), QPointF(right, bottom));
     *sideProfile = QRectF(QPointF(zLeft, top), QPointF(zRight, bottom));
-    qDebug() << "resolveBoundingBox left:" << left << "top:" << top << "right:" << right << "bottom:" << bottom << " zLeft:" << zLeft << "zRight:" << zRight;
+    //qDebug() << "resolveBoundingBox left:" << left << "top:" << top << "right:" << right << "bottom:" << bottom << " zLeft:" << zLeft << "zRight:" << zRight;
-    qDebug() << "mainHeight:" << mainProfile->height() << "mainWidth:" << mainProfile->width();
+    //qDebug() << "mainHeight:" << mainProfile->height() << "mainWidth:" << mainProfile->width();
-    qDebug() << "sideHeight:" << sideProfile->height() << "sideWidth:" << sideProfile->width();
+    //qDebug() << "sideHeight:" << sideProfile->height() << "sideWidth:" << sideProfile->width();
 }
 
 

thirdparty/meshlite/meshlite_unstable_vc14_x64/meshlite.h

@@ -44,6 +44,7 @@ int meshlite_combine_coplanar_faces(void *context, int mesh_id);
 int meshlite_trim(void *context, int mesh_id, int normalize);
 int meshlite_mirror_in_x(void *context, int mesh_id, float center_x);
 int meshlite_mirror_in_z(void *context, int mesh_id, float center_z);
+int meshlite_fix_hole(void *context, int mesh_id);
 
 #ifdef __cplusplus
 }

thirdparty/meshlite/meshlite_unstable_vc14_x86/meshlite.h

@@ -44,6 +44,7 @@ int meshlite_combine_coplanar_faces(void *context, int mesh_id);
 int meshlite_trim(void *context, int mesh_id, int normalize);
 int meshlite_mirror_in_x(void *context, int mesh_id, float center_x);
 int meshlite_mirror_in_z(void *context, int mesh_id, float center_z);
+int meshlite_fix_hole(void *context, int mesh_id);
 
 #ifdef __cplusplus
 }