From f94a96f07ed475e3f5edc75147855b8a7bfa4b02 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Sat, 18 Nov 2017 14:41:17 +0100
Subject: [PATCH] API to create discrete entities and to set mesh
vertices/elements
---
Common/gmsh.cpp | 514 ++++++++++++++++++++++++++++++----------
Common/gmsh.h | 13 +
Geo/GModel.h | 2 +-
Numeric/ElementType.cpp | 7 +-
Numeric/ElementType.h | 3 +-
demos/api/discrete.cpp | 33 +++
demos/api/discrete.py | 33 +++
demos/api/explore.cpp | 3 +-
demos/api/explore.py | 3 +-
9 files changed, 474 insertions(+), 137 deletions(-)
create mode 100644 demos/api/discrete.cpp
create mode 100644 demos/api/discrete.py
diff --git a/Common/gmsh.cpp b/Common/gmsh.cpp
index 55770ef6c9..27a1a09a1b 100644
--- a/Common/gmsh.cpp
+++ b/Common/gmsh.cpp
@@ -3,8 +3,10 @@
// See the LICENSE.txt file for license information. Please report all
// bugs and problems to the public mailing list <gmsh@onelab.info>.
+#include <sstream>
#include "gmsh.h"
#include "GmshConfig.h"
+#include "GmshDefines.h"
#include "GmshGlobal.h"
#include "GModel.h"
#include "GModelIO_GEO.h"
@@ -13,6 +15,10 @@
#include "GEdge.h"
#include "GFace.h"
#include "GRegion.h"
+#include "discreteVertex.h"
+#include "discreteEdge.h"
+#include "discreteFace.h"
+#include "discreteRegion.h"
#include "MPoint.h"
#include "MLine.h"
#include "MTriangle.h"
@@ -28,6 +34,11 @@
#include "Field.h"
#endif
+// -1 : not initialized
+// 0 : success
+// 1 : generic error
+// 2 : bad input arguments
+
#define GMSH_API std::vector<int>
#define GMSH_OK std::vector<int>(1, 0)
#define GMSH_ERROR(n) std::vector<int>(1, n)
@@ -57,7 +68,7 @@ GMSH_API gmshInitialize(int argc, char **argv)
_initialized = 1;
return GMSH_OK;
}
- return GMSH_ERROR(1);
+ return GMSH_ERROR(-1);
}
GMSH_API gmshFinalize()
@@ -196,6 +207,14 @@ GMSH_API gmshModelDelete()
return GMSH_ERROR(1);
}
+GMSH_API gmshModelList(std::vector<std::string> &names)
+{
+ if(!_isInitialized()) return GMSH_ERROR(-1);
+ for(unsigned int i = 0; i < GModel::list.size(); i++)
+ names.push_back(GModel::list[i]->getName());
+ return GMSH_ERROR(1);
+}
+
GMSH_API gmshModelSetCurrent(const std::string &name)
{
if(!_isInitialized()) return GMSH_ERROR(-1);
@@ -305,14 +324,30 @@ GMSH_API gmshModelGetEntitiesInBoundingBox(const double x1, const double y1,
return GMSH_OK;
}
+static std::string _entityName(int dim, int tag)
+{
+ std::stringstream stream;
+ switch(dim){
+ case 0 : stream << "Point "; break;
+ case 1 : stream << "Line "; break;
+ case 2 : stream << "Surface "; break;
+ case 3 : stream << "Volume "; break;
+ }
+ stream << tag;
+ return stream.str();
+}
+
GMSH_API gmshModelGetBoundingBox(const int dim, const int tag, double &x1, double &y1,
double &z1, double &x2, double &y2, double &z2)
{
if(!_isInitialized()) return GMSH_ERROR(-1);
GEntity *ge = GModel::current()->getEntityByTag(dim, tag);
- if(!ge) return GMSH_ERROR(1);
+ if(!ge){
+ Msg::Error("%s does not exist", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
+ }
SBoundingBox3d box = ge->bounds();
- if(box.empty()) return GMSH_ERROR(2);
+ if(box.empty()) return GMSH_ERROR(3);
x1 = box.min().x();
y1 = box.min().y();
z1 = box.min().z();
@@ -322,6 +357,44 @@ GMSH_API gmshModelGetBoundingBox(const int dim, const int tag, double &x1, doubl
return GMSH_OK;
}
+GMSH_API gmshModelAddDiscreteEntity(const int dim, const int tag,
+ const std::vector<int> &boundary)
+{
+ if(!_isInitialized()) return GMSH_ERROR(-1);
+ GEntity *e = GModel::current()->getEntityByTag(dim, tag);
+ if(e){
+ Msg::Error("%s already exists", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
+ }
+ // FIXME: check and set boundary entities to construct topology!
+ switch(dim){
+ case 0: {
+ GVertex *gv = new discreteVertex(GModel::current(), tag);
+ GModel::current()->add(gv);
+ e = gv;
+ break;
+ }
+ case 1: {
+ GEdge *ge = new discreteEdge(GModel::current(), tag, 0, 0);
+ GModel::current()->add(ge);
+ break;
+ }
+ case 2: {
+ GFace *gf = new discreteFace(GModel::current(), tag);
+ GModel::current()->add(gf);
+ break;
+ }
+ case 3: {
+ GRegion *gr = new discreteRegion(GModel::current(), tag);
+ GModel::current()->add(gr);
+ break;
+ }
+ default :
+ return GMSH_ERROR(2);
+ }
+ return GMSH_OK;
+}
+
GMSH_API gmshModelRemove(const vector_pair &dimTags, const bool recursive)
{
if(!_isInitialized()) return GMSH_ERROR(-1);
@@ -349,7 +422,10 @@ GMSH_API gmshModelGetMeshVertices(const int dim, const int tag,
vertexTags.clear();
coordinates.clear();
GEntity *ge = GModel::current()->getEntityByTag(dim, tag);
- if(!ge) return GMSH_ERROR(1);
+ if(!ge){
+ Msg::Error("%s does not exist", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
+ }
for(unsigned int i = 0; i < ge->mesh_vertices.size(); i++){
MVertex *v = ge->mesh_vertices[i];
vertexTags.push_back(v->getNum());
@@ -392,7 +468,10 @@ GMSH_API gmshModelGetMeshElements(const int dim, const int tag,
elementTags.clear();
vertexTags.clear();
GEntity *ge = GModel::current()->getEntityByTag(dim, tag);
- if(!ge) return GMSH_ERROR(1);
+ if(!ge){
+ Msg::Error("%s does not exist", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
+ }
switch(dim){
case 0: {
GVertex *v = static_cast<GVertex*>(ge);
@@ -418,6 +497,155 @@ GMSH_API gmshModelGetMeshElements(const int dim, const int tag,
return GMSH_OK;
}
+GMSH_API gmshModelSetMeshVertices(const int dim, const int tag,
+ const std::vector<int> &vertexTags,
+ const std::vector<double> &coordinates,
+ const std::vector<double> ¶metricCoordinates)
+{
+ if(!_isInitialized()) return GMSH_ERROR(-1);
+ GEntity *e = GModel::current()->getEntityByTag(dim, tag);
+ if(!e){
+ Msg::Error("%s does not exist", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
+ }
+ if(coordinates.size() != 3 * vertexTags.size()){
+ Msg::Error("Wrong number of coordinates");
+ return GMSH_ERROR(2);
+ }
+ bool param = false;
+ if(parametricCoordinates.size()){
+ if(parametricCoordinates.size() != dim * vertexTags.size()){
+ Msg::Error("Wrong number of parametric coordinates");
+ return GMSH_ERROR(2);
+ }
+ param = true;
+ }
+ GModel::current()->destroyMeshCaches();
+ if(e->mesh_vertices.size())
+ Msg::Warning("%s already contains mesh vertices",
+ _entityName(dim, tag).c_str());
+ e->mesh_vertices.clear();
+ for(unsigned int i = 0; i < vertexTags.size(); i++){
+ int n = vertexTags[i];
+ double x = coordinates[3 * i];
+ double y = coordinates[3 * i + 1];
+ double z = coordinates[3 * i + 2];
+ MVertex *vv = 0;
+ if(param && dim == 1){
+ double u = parametricCoordinates[i];
+ vv = new MEdgeVertex(x, y, z, e, u, n);
+ }
+ else if(param && dim == 2){
+ double u = parametricCoordinates[i];
+ double v = parametricCoordinates[i + 1];
+ vv = new MFaceVertex(x, y, z, e, u, v, n);
+ }
+ else
+ vv = new MVertex(x, y, z, e, n);
+ e->mesh_vertices.push_back(vv);
+ }
+ return GMSH_OK;
+}
+
+template<class T>
+static void _addElements(int dim, int tag, const std::vector<MElement*> &src,
+ std::vector<T*> &dst)
+{
+ if(dst.size())
+ Msg::Warning("%s already contains some mesh elements",
+ _entityName(dim, tag).c_str());
+ dst.clear();
+ for(unsigned int i = 0; i < src.size(); i++)
+ dst.push_back(static_cast<T*>(src[i]));
+}
+
+GMSH_API gmshModelSetMeshElements(const int dim, const int tag,
+ const std::vector<int> &types,
+ const std::vector<std::vector<int> > &elementTags,
+ const std::vector<std::vector<int> > &vertexTags)
+{
+ if(!_isInitialized()) return GMSH_ERROR(-1);
+ GEntity *e = GModel::current()->getEntityByTag(dim, tag);
+ if(!e){
+ Msg::Error("%s does not exist", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
+ }
+ if(types.size() != elementTags.size()){
+ Msg::Error("Wrong number of element tags");
+ return GMSH_ERROR(2);
+ }
+ if(types.size() != vertexTags.size()){
+ Msg::Error("Wrong number of vertex tags");
+ return GMSH_ERROR(2);
+ }
+ for(unsigned int i = 0; i < types.size(); i++){
+ int type = types[i];
+ int numEle = elementTags[i].size();
+ int numVertPerEle = MElement::getInfoMSH(type);
+ if(!numEle) continue;
+ if(numEle * numVertPerEle != vertexTags[i].size()){
+ Msg::Error("Wrong number of vertex tags for element type %d", type);
+ return GMSH_ERROR(2);
+ }
+ std::vector<MElement*> elements(numEle);
+ std::vector<MVertex*> vertices(numVertPerEle);
+ for(unsigned int j = 0; j < numEle; j++){
+ int etag = elementTags[i][j];
+ MElementFactory f;
+ for(unsigned int k = 0; k < numVertPerEle; k++){
+ int vtag = vertexTags[i][numVertPerEle * j + k];
+ // this will rebuild the vertex cache if necessary
+ vertices[k] = GModel::current()->getMeshVertexByTag(vtag);
+ if(!vertices[k]){
+ Msg::Error("Unknown mesh vertex %d", vtag);
+ return GMSH_ERROR(2);
+ }
+ }
+ elements[j] = f.create(type, vertices, etag);
+ }
+ bool ok = true;
+ switch(dim){
+ case 0:
+ if(elements[0]->getType() == TYPE_PNT)
+ _addElements(dim, tag, elements, static_cast<GVertex*>(e)->points);
+ else
+ ok = false;
+ break;
+ case 1:
+ if(elements[0]->getType() == TYPE_LIN)
+ _addElements(dim, tag, elements, static_cast<GEdge*>(e)->lines);
+ else
+ ok = false;
+ break;
+ case 2:
+ if(elements[0]->getType() == TYPE_TRI)
+ _addElements(dim, tag, elements, static_cast<GFace*>(e)->triangles);
+ else if(elements[0]->getType() == TYPE_QUA)
+ _addElements(dim, tag, elements, static_cast<GFace*>(e)->quadrangles);
+ else
+ ok = false;
+ break;
+ case 3:
+ if(elements[0]->getType() == TYPE_TET)
+ _addElements(dim, tag, elements, static_cast<GRegion*>(e)->tetrahedra);
+ else if(elements[0]->getType() == TYPE_HEX)
+ _addElements(dim, tag, elements, static_cast<GRegion*>(e)->hexahedra);
+ else if(elements[0]->getType() == TYPE_PRI)
+ _addElements(dim, tag, elements, static_cast<GRegion*>(e)->prisms);
+ else if(elements[0]->getType() == TYPE_PYR)
+ _addElements(dim, tag, elements, static_cast<GRegion*>(e)->pyramids);
+ else
+ ok = false;
+ break;
+ }
+ if(!ok){
+ Msg::Error("Wrong type of element for %s", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
+ }
+ }
+ return GMSH_OK;
+}
+
GMSH_API gmshModelSetMeshSize(const vector_pair &dimTags, const double size)
{
if(!_isInitialized()) return GMSH_ERROR(-1);
@@ -436,19 +664,20 @@ GMSH_API gmshModelSetTransfiniteLine(const int tag, const int nPoints,
{
if(!_isInitialized()) return GMSH_ERROR(-1);
GEdge *ge = GModel::current()->getEdgeByTag(tag);
- if(ge){
- ge->meshAttributes.method = MESH_TRANSFINITE;
- ge->meshAttributes.nbPointsTransfinite = nPoints;
- ge->meshAttributes.typeTransfinite =
- (type == "Progression" || type == "Power") ? 1 :
- (type == "Bump") ? 2 :
- 1;
- ge->meshAttributes.coeffTransfinite = std::abs(coef);
- // in .geo file we use a negative tag to do this trick; it's a bad idea
- if(coef < 0) ge->meshAttributes.typeTransfinite *= -1;
- return GMSH_OK;
+ if(!ge){
+ Msg::Error("%s does not exist", _entityName(1, tag).c_str());
+ return GMSH_ERROR(2);
}
- return GMSH_ERROR(1);
+ ge->meshAttributes.method = MESH_TRANSFINITE;
+ ge->meshAttributes.nbPointsTransfinite = nPoints;
+ ge->meshAttributes.typeTransfinite =
+ (type == "Progression" || type == "Power") ? 1 :
+ (type == "Bump") ? 2 :
+ 1;
+ ge->meshAttributes.coeffTransfinite = std::abs(coef);
+ // in .geo file we use a negative tag to do this trick; it's a bad idea
+ if(coef < 0) ge->meshAttributes.typeTransfinite *= -1;
+ return GMSH_OK;
}
GMSH_API gmshModelSetTransfiniteSurface(const int tag,
@@ -457,25 +686,26 @@ GMSH_API gmshModelSetTransfiniteSurface(const int tag,
{
if(!_isInitialized()) return GMSH_ERROR(-1);
GFace *gf = GModel::current()->getFaceByTag(tag);
- if(gf){
- gf->meshAttributes.method = MESH_TRANSFINITE;
- gf->meshAttributes.transfiniteArrangement =
- (arrangement == "Right") ? 1 :
- (arrangement == "Left") ? -1 :
- (arrangement == "AlternateRight") ? 2 :
- (arrangement == "AlternateLeft") ? -2 :
- (arrangement == "Alternate") ? 2 :
- -1;
- if(cornerTags.empty() || cornerTags.size() == 3 || cornerTags.size() == 4){
- for(unsigned int j = 0; j < cornerTags.size(); j++){
- GVertex *gv = GModel::current()->getVertexByTag(cornerTags[j]);
- if(gv)
- gf->meshAttributes.corners.push_back(gv);
- }
+ if(!gf){
+ Msg::Error("%s does not exist", _entityName(2, tag).c_str());
+ return GMSH_ERROR(2);
+ }
+ gf->meshAttributes.method = MESH_TRANSFINITE;
+ gf->meshAttributes.transfiniteArrangement =
+ (arrangement == "Right") ? 1 :
+ (arrangement == "Left") ? -1 :
+ (arrangement == "AlternateRight") ? 2 :
+ (arrangement == "AlternateLeft") ? -2 :
+ (arrangement == "Alternate") ? 2 :
+ -1;
+ if(cornerTags.empty() || cornerTags.size() == 3 || cornerTags.size() == 4){
+ for(unsigned int j = 0; j < cornerTags.size(); j++){
+ GVertex *gv = GModel::current()->getVertexByTag(cornerTags[j]);
+ if(gv)
+ gf->meshAttributes.corners.push_back(gv);
}
- return GMSH_OK;
}
- return GMSH_ERROR(1);
+ return GMSH_OK;
}
GMSH_API gmshModelSetTransfiniteVolume(const int tag,
@@ -483,42 +713,45 @@ GMSH_API gmshModelSetTransfiniteVolume(const int tag,
{
if(!_isInitialized()) return GMSH_ERROR(-1);
GRegion *gr = GModel::current()->getRegionByTag(tag);
- if(gr){
- gr->meshAttributes.method = MESH_TRANSFINITE;
- if(cornerTags.empty() || cornerTags.size() == 6 || cornerTags.size() == 8){
- for(unsigned int i = 0; i < cornerTags.size(); i++){
- GVertex *gv = GModel::current()->getVertexByTag(cornerTags[i]);
- if(gv)
- gr->meshAttributes.corners.push_back(gv);
- }
+ if(!gr){
+ Msg::Error("%s does not exist", _entityName(3, tag).c_str());
+ return GMSH_ERROR(2);
+ }
+ gr->meshAttributes.method = MESH_TRANSFINITE;
+ if(cornerTags.empty() || cornerTags.size() == 6 || cornerTags.size() == 8){
+ for(unsigned int i = 0; i < cornerTags.size(); i++){
+ GVertex *gv = GModel::current()->getVertexByTag(cornerTags[i]);
+ if(gv)
+ gr->meshAttributes.corners.push_back(gv);
}
- return GMSH_OK;
}
- return GMSH_ERROR(1);
+ return GMSH_OK;
}
GMSH_API gmshModelSetRecombine(const int dim, const int tag, const double angle)
{
if(!_isInitialized()) return GMSH_ERROR(-1);
GFace *gf = GModel::current()->getFaceByTag(tag);
- if(gf){
- gf->meshAttributes.recombine = 1;
- gf->meshAttributes.recombineAngle = angle;
- return GMSH_OK;
+ if(!gf){
+ Msg::Error("%s does not exist", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
}
- return GMSH_ERROR(1);
+ gf->meshAttributes.recombine = 1;
+ gf->meshAttributes.recombineAngle = angle;
+ return GMSH_OK;
}
GMSH_API gmshModelSetSmoothing(const int dim, const int tag, const int val)
{
if(!_isInitialized()) return GMSH_ERROR(-1);
- if(dim != 2) return GMSH_ERROR(1);
+ if(dim != 2) return GMSH_ERROR(2);
GFace *gf = GModel::current()->getFaceByTag(tag);
- if(gf){
- gf->meshAttributes.transfiniteSmoothing = val;
- return GMSH_OK;
+ if(!gf){
+ Msg::Error("%s does not exist", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
}
- return GMSH_ERROR(1);
+ gf->meshAttributes.transfiniteSmoothing = val;
+ return GMSH_OK;
}
GMSH_API gmshModelSetReverseMesh(const int dim, const int tag, const bool val)
@@ -526,19 +759,21 @@ GMSH_API gmshModelSetReverseMesh(const int dim, const int tag, const bool val)
if(!_isInitialized()) return GMSH_ERROR(-1);
if(dim == 1){
GEdge *ge = GModel::current()->getEdgeByTag(tag);
- if(ge){
- ge->meshAttributes.reverseMesh = val;
- return GMSH_OK;
+ if(!ge){
+ Msg::Error("%s does not exist", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
}
+ ge->meshAttributes.reverseMesh = val;
}
else if(dim == 2){
GFace *gf = GModel::current()->getFaceByTag(tag);
- if(gf){
- gf->meshAttributes.reverseMesh = val;
- return GMSH_OK;
+ if(!gf){
+ Msg::Error("%s does not exist", _entityName(dim, tag).c_str());
+ return GMSH_ERROR(2);
}
+ gf->meshAttributes.reverseMesh = val;
}
- return GMSH_ERROR(1);
+ return GMSH_OK;
}
GMSH_API gmshModelEmbed(const int dim, const std::vector<int> &tags,
@@ -547,40 +782,59 @@ GMSH_API gmshModelEmbed(const int dim, const std::vector<int> &tags,
if(!_isInitialized()) return GMSH_ERROR(-1);
if(inDim == 2){
GFace *gf = GModel::current()->getFaceByTag(inTag);
- if(gf){
- for(unsigned int i = 0; i < tags.size(); i++){
- if(dim == 0){
- GVertex *gv = GModel::current()->getVertexByTag(tags[i]);
- if(gv)
- gf->addEmbeddedVertex(gv);
+ if(!gf){
+ Msg::Error("%s does not exist", _entityName(2, inTag).c_str());
+ return GMSH_ERROR(2);
+ }
+ for(unsigned int i = 0; i < tags.size(); i++){
+ if(dim == 0){
+ GVertex *gv = GModel::current()->getVertexByTag(tags[i]);
+ if(!gv){
+ Msg::Error("%s does not exist", _entityName(0, tags[i]).c_str());
+ return GMSH_ERROR(2);
}
- else if(dim == 1){
- GEdge *ge = GModel::current()->getEdgeByTag(tags[i]);
- if(ge)
- gf->addEmbeddedEdge(ge);
+ gf->addEmbeddedVertex(gv);
+ }
+ else if(dim == 1){
+ GEdge *ge = GModel::current()->getEdgeByTag(tags[i]);
+ if(!ge){
+ Msg::Error("%s does not exist", _entityName(1, tags[i]).c_str());
+ return GMSH_ERROR(2);
}
+ gf->addEmbeddedEdge(ge);
}
}
}
else if(inDim == 3){
GRegion *gr = GModel::current()->getRegionByTag(inTag);
- if(gr){
- for(unsigned int i = 0; i < tags.size(); i++){
- if(dim == 0){
- GVertex *gv = GModel::current()->getVertexByTag(tags[i]);
- if(gv)
- gr->addEmbeddedVertex(gv);
+ if(!gr){
+ Msg::Error("%s does not exist", _entityName(3, inTag).c_str());
+ return GMSH_ERROR(2);
+ }
+ for(unsigned int i = 0; i < tags.size(); i++){
+ if(dim == 0){
+ GVertex *gv = GModel::current()->getVertexByTag(tags[i]);
+ if(!gv){
+ Msg::Error("%s does not exist", _entityName(0, tags[i]).c_str());
+ return GMSH_ERROR(2);
}
- else if(dim == 1){
- GEdge *ge = GModel::current()->getEdgeByTag(tags[i]);
- if(ge)
- gr->addEmbeddedEdge(ge);
+ gr->addEmbeddedVertex(gv);
+ }
+ else if(dim == 1){
+ GEdge *ge = GModel::current()->getEdgeByTag(tags[i]);
+ if(!ge){
+ Msg::Error("%s does not exist", _entityName(1, tags[i]).c_str());
+ return GMSH_ERROR(2);
}
- else if(dim == 2){
- GFace *gf = GModel::current()->getFaceByTag(tags[i]);
- if(gf)
- gr->addEmbeddedFace(gf);
+ gr->addEmbeddedEdge(ge);
+ }
+ else if(dim == 2){
+ GFace *gf = GModel::current()->getFaceByTag(tags[i]);
+ if(!gf){
+ Msg::Error("%s does not exist", _entityName(2, tags[i]).c_str());
+ return GMSH_ERROR(2);
}
+ gr->addEmbeddedFace(gf);
}
}
}
@@ -599,7 +853,7 @@ GMSH_API gmshModelGeoAddPoint(const int tag, const double x, const double y,
double zz = CTX::instance()->geom.scalingFactor * z;
double lc = CTX::instance()->geom.scalingFactor * meshSize;
if(GModel::current()->getGEOInternals()->addVertex(outTag, xx, yy, zz, lc)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -610,7 +864,7 @@ GMSH_API gmshModelGeoAddLine(const int tag, const int startTag, const int endTag
if(!_isInitialized()) return GMSH_ERROR(-1);
int outTag = tag;
if(GModel::current()->getGEOInternals()->addLine(outTag, startTag, endTag)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -624,7 +878,7 @@ GMSH_API gmshModelGeoAddCircleArc(const int tag, const int startTag,
int outTag = tag;
if(GModel::current()->getGEOInternals()->addCircleArc
(outTag, startTag, centerTag, endTag, nx, ny, nz)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -639,7 +893,7 @@ GMSH_API gmshModelGeoAddEllipseArc(const int tag, const int startTag,
int outTag = tag;
if(GModel::current()->getGEOInternals()->addEllipseArc
(outTag, startTag, centerTag, majorTag, endTag, nx, ny, nz)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -650,7 +904,7 @@ GMSH_API gmshModelGeoAddSpline(const int tag, const std::vector<int> &vertexTags
if(!_isInitialized()) return GMSH_ERROR(-1);
int outTag = tag;
if(GModel::current()->getGEOInternals()->addSpline(outTag, vertexTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -661,7 +915,7 @@ GMSH_API gmshModelGeoAddBSpline(const int tag, const std::vector<int> &vertexTag
if(!_isInitialized()) return GMSH_ERROR(-1);
int outTag = tag;
if(GModel::current()->getGEOInternals()->addBSpline(outTag, vertexTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -672,7 +926,7 @@ GMSH_API gmshModelGeoAddBezier(const int tag, const std::vector<int> &vertexTags
if(!_isInitialized()) return GMSH_ERROR(-1);
int outTag = tag;
if(GModel::current()->getGEOInternals()->addBezier(outTag, vertexTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -683,7 +937,7 @@ GMSH_API gmshModelGeoAddLineLoop(const int tag, const std::vector<int> &edgeTags
if(!_isInitialized()) return GMSH_ERROR(-1);
int outTag = tag;
if(GModel::current()->getGEOInternals()->addLineLoop(outTag, edgeTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -694,7 +948,7 @@ GMSH_API gmshModelGeoAddPlaneSurface(const int tag, const std::vector<int> &wire
if(!_isInitialized()) return GMSH_ERROR(-1);
int outTag = tag;
if(GModel::current()->getGEOInternals()->addPlaneSurface(outTag, wireTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -707,7 +961,7 @@ GMSH_API gmshModelGeoAddSurfaceFilling(const int tag, const std::vector<int> &wi
int outTag = tag;
if(GModel::current()->getGEOInternals()->addSurfaceFilling
(outTag, wireTags, sphereCenterTag)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -718,7 +972,7 @@ GMSH_API gmshModelGeoAddSurfaceLoop(const int tag, const std::vector<int> &faceT
if(!_isInitialized()) return GMSH_ERROR(-1);
int outTag = tag;
if(GModel::current()->getGEOInternals()->addSurfaceLoop(outTag, faceTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -729,7 +983,7 @@ GMSH_API gmshModelGeoAddVolume(const int tag, const std::vector<int> &shellTags)
if(!_isInitialized()) return GMSH_ERROR(-1);
int outTag = tag;
if(GModel::current()->getGEOInternals()->addVolume(outTag, shellTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -923,7 +1177,7 @@ GMSH_API gmshModelGeoSetRecombine(const int dim, const int tag, const double ang
GMSH_API gmshModelGeoSetSmoothing(const int dim, const int tag, const int val)
{
if(!_isInitialized()) return GMSH_ERROR(-1);
- if(dim != 2) return GMSH_ERROR(1);
+ if(dim != 2) return GMSH_ERROR(2);
GModel::current()->getGEOInternals()->setSmoothing(tag, val);
return GMSH_OK;
}
@@ -966,7 +1220,7 @@ GMSH_API gmshModelOccAddPoint(const int tag, const double x, const double y,
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addVertex(outTag, x, y, z, meshSize)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -978,7 +1232,7 @@ GMSH_API gmshModelOccAddLine(const int tag, const int startTag, const int endTag
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addLine(outTag, startTag, endTag)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -992,7 +1246,7 @@ GMSH_API gmshModelOccAddCircleArc(const int tag, const int startTag,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addCircleArc
(outTag, startTag, centerTag, endTag)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1007,7 +1261,7 @@ GMSH_API gmshModelOccAddCircle(const int tag, const double x, const double y,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addCircle
(outTag, x, y, z, r, angle1, angle2)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1021,7 +1275,7 @@ GMSH_API gmshModelOccAddEllipseArc(const int tag, const int startTag,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addEllipseArc
(outTag, startTag, centerTag, endTag)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1036,7 +1290,7 @@ GMSH_API gmshModelOccAddEllipse(const int tag, const double x, const double y,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addEllipse
(outTag, x, y, z, r1, r2, angle1, angle2)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1048,7 +1302,7 @@ GMSH_API gmshModelOccAddSpline(const int tag, const std::vector<int> &vertexTags
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addSpline(outTag, vertexTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1060,7 +1314,7 @@ GMSH_API gmshModelOccAddBezier(const int tag, const std::vector<int> &vertexTags
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addBezier(outTag, vertexTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1072,7 +1326,7 @@ GMSH_API gmshModelOccAddBSpline(const int tag, const std::vector<int> &vertexTag
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addBSpline(outTag, vertexTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1086,7 +1340,7 @@ GMSH_API gmshModelOccAddWire(const int tag, const std::vector<int> &edgeTags,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addWire
(outTag, edgeTags, checkClosed)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1098,7 +1352,7 @@ GMSH_API gmshModelOccAddLineLoop(const int tag, const std::vector<int> &edgeTags
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addLineLoop(outTag, edgeTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1113,7 +1367,7 @@ GMSH_API gmshModelOccAddRectangle(const int tag, const double x, const double y,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addRectangle
(outTag, x, y, z, dx, dy, roundedRadius)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1127,7 +1381,7 @@ GMSH_API gmshModelOccAddDisk(const int tag, const double xc, const double yc,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addDisk
(outTag, xc, yc, zc, rx, ry)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1139,7 +1393,7 @@ GMSH_API gmshModelOccAddPlaneSurface(const int tag, const std::vector<int> &wire
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addPlaneSurface(outTag, wireTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1151,7 +1405,7 @@ GMSH_API gmshModelOccAddSurfaceFilling(const int tag, const int wireTag)
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addSurfaceFilling(outTag, wireTag)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1163,7 +1417,7 @@ GMSH_API gmshModelOccAddSurfaceLoop(const int tag, const std::vector<int> &faceT
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addSurfaceLoop(outTag, faceTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1175,7 +1429,7 @@ GMSH_API gmshModelOccAddVolume(const int tag, const std::vector<int> &shellTags)
_createOcc();
int outTag = tag;
if(GModel::current()->getOCCInternals()->addVolume(outTag, shellTags)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1191,7 +1445,7 @@ GMSH_API gmshModelOccAddSphere(const int tag, const double xc, const double yc,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addSphere
(outTag, xc, yc, zc, radius, angle1, angle2, angle3)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1206,7 +1460,7 @@ GMSH_API gmshModelOccAddBox(const int tag, const double x, const double y,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addBox
(outTag, x, y, z, dx, dy, dz)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1221,7 +1475,7 @@ GMSH_API gmshModelOccAddCylinder(const int tag, const double x, const double y,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addCylinder
(outTag, x, y, z, dx, dy, dz, r, angle)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1237,7 +1491,7 @@ GMSH_API gmshModelOccAddCone(const int tag, const double x, const double y,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addCone
(outTag, x, y, z, dx, dy, dz, r1, r2, angle)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1252,7 +1506,7 @@ GMSH_API gmshModelOccAddWedge(const int tag, const double x, const double y,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addWedge
(outTag, x, y, z, dx, dy, dz, ltx)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1267,7 +1521,7 @@ GMSH_API gmshModelOccAddTorus(const int tag, const double x, const double y,
int outTag = tag;
if(GModel::current()->getOCCInternals()->addTorus
(outTag, x, y, z, r1, r2, angle)){
- std::vector<int> ret(1, 0); ret.push_back(outTag);
+ std::vector<int> ret = GMSH_OK; ret.push_back(outTag);
return ret;
}
return GMSH_ERROR(1);
@@ -1553,7 +1807,8 @@ GMSH_API gmshModelFieldCreate(const int tag, const std::string &type)
}
return GMSH_OK;
#else
- return GMSH_ERROR(1);
+ Msg::Error("Fields require the mesh module");
+ return GMSH_ERROR(-1);
#endif
}
@@ -1564,7 +1819,8 @@ GMSH_API gmshModelFieldDelete(const int tag)
GModel::current()->getFields()->deleteField(tag);
return GMSH_OK;
#else
- return GMSH_ERROR(1);
+ Msg::Error("Fields require the mesh module");
+ return GMSH_ERROR(-1);
#endif
}
@@ -1601,7 +1857,8 @@ GMSH_API gmshModelFieldSetNumber(const int tag, const std::string &option,
}
return GMSH_OK;
#else
- return GMSH_ERROR(1);
+ Msg::Error("Fields require the mesh module");
+ return GMSH_ERROR(-1);
#endif
}
@@ -1620,7 +1877,8 @@ GMSH_API gmshModelFieldSetString(const int tag, const std::string &option,
}
return GMSH_OK;
#else
- return GMSH_ERROR(1);
+ Msg::Error("Fields require the mesh module");
+ return GMSH_ERROR(-1);
#endif
}
@@ -1652,7 +1910,8 @@ GMSH_API gmshModelFieldSetNumbers(const int tag, const std::string &option,
}
return GMSH_OK;
#else
- return GMSH_ERROR(1);
+ Msg::Error("Fields require the mesh module");
+ return GMSH_ERROR(-1);
#endif
}
@@ -1663,7 +1922,8 @@ GMSH_API gmshModelFieldSetAsBackground(const int tag)
GModel::current()->getFields()->setBackgroundFieldId(tag);
return GMSH_OK;
#else
- return GMSH_ERROR(1);
+ Msg::Error("Fields require the mesh module");
+ return GMSH_ERROR(-1);
#endif
}
diff --git a/Common/gmsh.h b/Common/gmsh.h
index f023ab6d83..4ebf99bf53 100644
--- a/Common/gmsh.h
+++ b/Common/gmsh.h
@@ -50,6 +50,7 @@ GMSH_API gmshOptionGetString(const std::string &name, std::string &value);
// gmshModel
GMSH_API gmshModelCreate(const std::string &name);
GMSH_API gmshModelDelete();
+GMSH_API gmshModelList(std::vector<std::string> &names);
GMSH_API gmshModelSetCurrent(const std::string &name);
GMSH_API gmshModelGetEntities(vector_pair &dimTags, const int dim=-1);
GMSH_API gmshModelGetPhysicalGroups(vector_pair &dimTags, const int dim=-1);
@@ -70,6 +71,9 @@ GMSH_API gmshModelGetEntitiesInBoundingBox(const double x1, const double y1,
vector_pair &tags, const int dim=-1);
GMSH_API gmshModelGetBoundingBox(const int dim, const int tag, double &x1, double &y1,
double &z1, double &x2, double &y2, double &z2);
+GMSH_API gmshModelAddDiscreteEntity(const int dim, const int tag,
+ const std::vector<int> &boundary
+ = std::vector<int>());
GMSH_API gmshModelRemove(const vector_pair &dimTags, const bool recursive = false);
GMSH_API gmshModelMesh(const int dim);
GMSH_API gmshModelGetMeshVertices(const int dim, const int tag,
@@ -80,6 +84,15 @@ GMSH_API gmshModelGetMeshElements(const int dim, const int tag,
std::vector<int> &types,
std::vector<std::vector<int> > &elementTags,
std::vector<std::vector<int> > &vertexTags);
+GMSH_API gmshModelSetMeshVertices(const int dim, const int tag,
+ const std::vector<int> &vertexTags,
+ const std::vector<double> &coordinates,
+ const std::vector<double> ¶metricCoordinates =
+ std::vector<double>());
+GMSH_API gmshModelSetMeshElements(const int dim, const int tag,
+ const std::vector<int> &types,
+ const std::vector<std::vector<int> > &elementTags,
+ const std::vector<std::vector<int> > &vertexTags);
GMSH_API gmshModelSetMeshSize(const vector_pair &dimTags, const double size);
GMSH_API gmshModelSetTransfiniteLine(const int tag, const int nPoints,
const std::string &type = "Progression",
diff --git a/Geo/GModel.h b/Geo/GModel.h
index 45a7b00779..7f8d8d743e 100644
--- a/Geo/GModel.h
+++ b/Geo/GModel.h
@@ -66,7 +66,7 @@ class GModel {
// the visibility flag
char _visible;
- // vertex and element caches to speed-up direct access by tag (only
+ // vertex and element caches to speed-up direct access by tag (mostly
// used for post-processing I/O)
std::vector<MVertex*> _vertexVectorCache;
std::map<int, MVertex*> _vertexMapCache;
diff --git a/Numeric/ElementType.cpp b/Numeric/ElementType.cpp
index b5e69bb1db..66756f30c1 100644
--- a/Numeric/ElementType.cpp
+++ b/Numeric/ElementType.cpp
@@ -325,7 +325,7 @@ int ElementType::DimensionFromTag(int tag)
case(MSH_HEX_92): case(MSH_HEX_104):
case(MSH_TRIH_4):
-
+
case(MSH_POLYH_):
return 3;
@@ -400,7 +400,7 @@ int ElementType::SerendipityFromTag(int tag)
case MSH_PYR_285 : case MSH_PYR_385 :
case MSH_TRIH_4 :
-
+
return 0; // Not Serendipity
@@ -563,6 +563,7 @@ int ElementType::getTag(int parentTag, int order, bool serendip)
}
}
-int ElementType::getPrimaryTag(int tag) {
+int ElementType::getPrimaryTag(int tag)
+{
return getTag(ParentTypeFromTag(tag), 1);
}
diff --git a/Numeric/ElementType.h b/Numeric/ElementType.h
index 0ecd1d51d3..08463d981d 100644
--- a/Numeric/ElementType.h
+++ b/Numeric/ElementType.h
@@ -8,8 +8,7 @@
namespace ElementType
{
- // Give parent type, order & dimension
- // corresponding to any element type.
+ // Give parent type, order & dimension corresponding to any element type.
int ParentTypeFromTag(int tag);
int OrderFromTag(int tag);
int DimensionFromTag(int tag);
diff --git a/demos/api/discrete.cpp b/demos/api/discrete.cpp
new file mode 100644
index 0000000000..25753dde17
--- /dev/null
+++ b/demos/api/discrete.cpp
@@ -0,0 +1,33 @@
+#include <gmsh.h>
+
+int main(int argc, char **argv)
+{
+ gmshInitialize(argc, argv);
+ gmshOptionSetNumber("General.Terminal", 1);
+
+ gmshModelCreate("test");
+
+ // add discrete surface with tag 1
+ gmshModelAddDiscreteEntity(2, 1);
+
+ // add 4 mesh vertices
+ gmshModelSetMeshVertices(2, 1,
+ {1, 2, 3, 4}, // vertex tags: 1, 2, 3, and 4
+ {0., 0., 0., // coordinates of vertex 1
+ 1., 0., 0., // coordinates of vertex 2
+ 1., 1., 0., // ...
+ 0., 1., 0.});
+
+ // add 2 triangles
+ gmshModelSetMeshElements(2, 1,
+ {2}, // single type : 3-node triangle
+ {{1, 2}}, // triangle tags: 1 and 2
+ {{1, 2, 3, // triangle 1: vertices 1, 2, 3
+ 1, 3, 4}}); // triangle 2: vertices 1, 3, 4
+
+ // export the mesh ; use explore.cpp to read and examine the mesh
+ gmshExport("test.msh");
+
+ gmshFinalize();
+ return 0;
+}
diff --git a/demos/api/discrete.py b/demos/api/discrete.py
new file mode 100644
index 0000000000..2bb70a03dd
--- /dev/null
+++ b/demos/api/discrete.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+
+from gmsh import *
+import sys
+
+gmshInitialize(sys.argv)
+gmshOptionSetNumber("General.Terminal", 1)
+
+gmshModelCreate("test");
+
+# add discrete surface with tag 1
+gmshModelAddDiscreteEntity(2, 1)
+
+# add 4 mesh vertices
+gmshModelSetMeshVertices(2, 1,
+ [1, 2, 3, 4], # vertex tags: 1, 2, 3, and 4
+ [0., 0., 0., # coordinates of vertex 1
+ 1., 0., 0., # coordinates of vertex 2
+ 1., 1., 0., # ...
+ 0., 1., 0.])
+
+# add 2 triangles
+gmshModelSetMeshElements(2, 1,
+ [2], # single type : 3-node triangle
+ [[1, 2]], # triangle tags: 1 and 2
+ [[1, 2, 3, # triangle 1: vertices 1, 2, 3
+ 1, 3, 4]]); # triangle 2: vertices 1, 3, 4
+
+# export the mesh ; use explore.py to read and examine the mesh
+gmshExport("test.msh")
+
+gmshFinalize()
+
diff --git a/demos/api/explore.cpp b/demos/api/explore.cpp
index 24e7a760f5..6933ec3bfa 100644
--- a/demos/api/explore.cpp
+++ b/demos/api/explore.cpp
@@ -4,14 +4,13 @@
int main(int argc, char **argv)
{
if(argc < 2){
- std::cout << "Usage: " << argv[0] << " file.geo [options]" << std::endl;
+ std::cout << "Usage: " << argv[0] << " file.msh [options]" << std::endl;
return 1;
}
gmshInitialize();
gmshOptionSetNumber("General.Terminal", 1);
gmshOpen(argv[1]);
- gmshModelMesh(3);
// get all elementary entities in the model
std::vector<std::pair<int, int> > entities;
diff --git a/demos/api/explore.py b/demos/api/explore.py
index a817fb07c3..77059ac4a2 100644
--- a/demos/api/explore.py
+++ b/demos/api/explore.py
@@ -4,13 +4,12 @@ from gmsh import *
import sys
if len(sys.argv) < 2:
- print "Usage: " + sys.argv[0] + " file.geo [options]"
+ print "Usage: " + sys.argv[0] + " file.msh [options]"
exit(0)
gmshInitialize()
gmshOptionSetNumber("General.Terminal", 1)
gmshOpen(sys.argv[1])
-gmshModelMesh(3)
# get all elementary entities in the model
entities = PairVector()
--
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