Changeset 11881

Timestamp:

04/03/12 16:18:26 (13 years ago)

Author:

Eric.Larour

Message:

new TriMesh module

Location:

issm/trunk-jpl/src/mex/TriMesh

Files:

• TriMesh.cpp (modified) (2 diffs)
• TriMesh.cpp.bak (added)
• TriMesh.h (modified) (1 diff)

issm/trunk-jpl/src/mex/TriMesh/TriMesh.cpp ¶

@@ -1 +1 @@
 /*
- * TriMesh: out of a domain outline file ( Argus format ), 
- * use the Triangle package to create a triangular mesh 
- *
+ * TriMesh: mesh a domain using an .exp file
  */
 
 #include "./TriMesh.h"
 
-
-void mexFunction(       int nlhs, mxArray* plhs[],
-                                        int nrhs, const mxArray* prhs[] )
-{
-
-
-        /*Matlab arrays: */
-        mxArray* pmxa_array=NULL;
-        int i,j;
-        int counter,counter2,backcounter;
-        int prhs_counter;
-        
-        /* returned quantities: */
-
-        double* index=NULL;
-        double* x=NULL;
-        double* y=NULL;
-        double* segments=NULL;
-        double*    segmentmarkerlist=NULL;
+void mexFunction(       int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[] ){
 
         /* input: */
         char*  domainname=NULL;
-        char*  riftname=NULL;
         double area;
-        char*  order=NULL;
-        
-        /*Domain outline variables: */
-        int      nprof;
-        int*     profnvertices=NULL;
-        double** pprofx=NULL;
-        double** pprofy=NULL;
-        double*  xprof=NULL;
-        double*  yprof=NULL;
-        int      numberofpoints;
+        bool   order;
 
-        /*Rift outline variables: */
-        int      numrifts;
-        int*     riftsnumvertices=NULL;
-        double** riftsverticesx=NULL;
-        double** riftsverticesy=NULL;
+        /*intermediary: */
+        DataSet* domain=NULL;
 
-        /* Triangle structures: */
-        struct triangulateio in,out;
-        char   options[256];
+        /* output: */
+        Matrix* index=NULL;
+        Vector* x=NULL;
+        Vector* y=NULL;
+        Matrix* segments=NULL;
+        Vector* segmentmarkerlist=NULL;
 
-        /* verify correct usage: */
-        if (nlhs==0 && nrhs==0) {
-                /* special case: */
-                TriMeshUsage();
-                return;
-        }
+        /*Boot module: */
+        MODULEBOOT();
+printf("ok1\n");
 
-        if (!(  (nlhs==5) ||(nrhs==2) || (nrhs==3)  || (nrhs==4) )){
-                mexPrintf("   %s format error.\n", __FUNCT__);
-                TriMeshUsage();
-                printf("   ");
-                mexErrMsgTxt(" ");
-        }
+        /*checks on arguments on the matlab side: */
+        CheckNumMatlabArguments(nlhs,NLHS,nrhs,NRHS,__FUNCT__,&TriMeshUsage);
+printf("ok2\n");
 
-        /*Fetch data needed by Triangle: */
+        /*Fetch data needed for meshing: */
 
-        prhs_counter=0;
-        /*First recover the domain outline file name: */
-        if (!mxIsChar(prhs[prhs_counter])){
-                mexPrintf("%s%s\n",__FUNCT__," error message; first argument should be the domain outline file name!");
-                mexErrMsgTxt(" ");
-        }
-        domainname = (char *) mxMalloc((mxGetN(prhs[prhs_counter])+1)*sizeof(char));
-        mxGetString(prhs[prhs_counter],domainname,mxGetN(prhs[prhs_counter])+1);
+        FetchMatlabData(&domainname,DOMAINOUTLINE);
+        FetchMatlabData(&area,AREA);
+        FetchMatlabData(&order,ORDER);
+printf("ok3 %g %s\n",area,domainname);
 
-        /*Look for optional rifts file name: */
-        prhs_counter++;
-        if (mxIsChar(prhs[prhs_counter])){
-                riftname = (char *) mxMalloc((mxGetN(prhs[prhs_counter])+1)*sizeof(char));
-                mxGetString(prhs[prhs_counter],riftname,mxGetN(prhs[prhs_counter])+1);
-                prhs_counter++;
-        }
+        /*Read domain outline: */
+        domain=DomainOutlineRead(domainname,false);
+printf("ok4\n");
 
-        /*Recover the mesh density desired:*/
-        area=mxGetScalar(prhs[prhs_counter]);
+        /*call x core: */
+        TriMeshx(&index,&x,&y,&segments,&segmentmarkerlist,domain,area,order);
+printf("ok5\n");
 
-        /*Optionaly, recover desired order: */
-        prhs_counter++;
-        if (mxIsChar(prhs[prhs_counter])){
-                order = (char *) mxMalloc((mxGetN(prhs[prhs_counter])+1)*sizeof(char));
-                mxGetString(prhs[prhs_counter],order,mxGetN(prhs[prhs_counter])+1);
-        }
-        
-        /*Start reading the domain outline file: */
-        if(!DomainOutlineRead(&nprof,&profnvertices,&pprofx,&pprofy,NULL,domainname,false)){
-                printf("%s%s%s\n",__FUNCT__," error message reading domain outline ",domainname);
-                mexErrMsgTxt(" ");
-        }
+        /*write outputs: */
+        /*WriteMatlabData(INDEX,index);
+        WriteMatlabData(X,x);
+        WriteMatlabData(Y,y);
+        WriteMatlabData(SEGMENTS,segments);
+        WriteMatlabData(SEGMENTMARKERLIST,segmentmarkerlist);*/
 
-        /*Read rifts file if present: */
-        if(riftname){
-                if(!DomainOutlineRead(&numrifts,&riftsnumvertices,&riftsverticesx,&riftsverticesy,NULL,riftname,false)){
-                        printf("%s%s%s\n",__FUNCT__," error message reading rifts outline ",riftname);
-                        mexErrMsgTxt(" ");
-                }
-        }
+        /*free ressources: */
+        delete domain;
+        /*
+        xdelete(&index);
+        xdelete(&x);
+        xdelete(&y);
+        xdelete(&segments);
+        xdelete(&segmentmarkerlist);*/
 
-        /*Create initial triangulation to call triangulate():*/
-        numberofpoints=0;
-        for (i=0;i<nprof;i++){
-                numberofpoints+=profnvertices[i];
-        }
-        if (riftname){
-                for (i=0;i<numrifts;i++){
-                        numberofpoints+=riftsnumvertices[i];
-                }
-        }
-        in.numberofpoints=numberofpoints;
-
-        in.numberofpointattributes=1;
-        in.pointlist = (REAL *) mxMalloc(in.numberofpoints * 2 * sizeof(REAL));
-
-        counter=0;
-        for (i=0;i<nprof;i++){
-                xprof=pprofx[i];
-                yprof=pprofy[i];
-                for (j=0;j<profnvertices[i];j++){
-                        in.pointlist[2*counter+0]=xprof[j];
-                        in.pointlist[2*counter+1]=yprof[j];
-                        counter++;
-                }
-        }
-        if(riftname){
-                for (i=0;i<numrifts;i++){
-                        xprof=riftsverticesx[i];
-                        yprof=riftsverticesy[i];
-                        for (j=0;j<riftsnumvertices[i];j++){
-                                in.pointlist[2*counter+0]=xprof[j];
-                                in.pointlist[2*counter+1]=yprof[j];
-                                counter++;
-                        }
-                }
-        }
-        
-        in.pointattributelist = (REAL *) mxMalloc(in.numberofpoints *
-                                                                                  in.numberofpointattributes *
-                                                                                  sizeof(REAL));
-        for (i=0;i<in.numberofpoints;i++){
-                in.pointattributelist[i] = 0.0;
-        }
-        in.pointmarkerlist = (int *) mxMalloc(in.numberofpoints * sizeof(int));
-        for(i=0;i<in.numberofpoints;i++){
-                in.pointmarkerlist[i] = 0;
-        }
-
-        /*Build segments: */
-        /*Figure out number of segments: holes and closed outlines have as many segments as vertices, 
-         *for rifts, we have one less segment as we have vertices*/
-        in.numberofsegments=0;
-        for (i=0;i<nprof;i++){
-                in.numberofsegments+=profnvertices[i];
-        }
-        if (riftname){
-                for (i=0;i<numrifts;i++){
-                        in.numberofsegments+=riftsnumvertices[i]-1;
-                }
-        }
-        
-        in.segmentlist = (int *) mxMalloc(in.numberofsegments * 2 * sizeof(int));
-        in.segmentmarkerlist = (int *) mxCalloc(in.numberofsegments,sizeof(int));
-        counter=0;
-        backcounter=0;
-        for (i=0;i<nprof;i++){
-                for (j=0;j<(profnvertices[i]-1);j++){
-                        in.segmentlist[2*counter+0]=counter;
-                        in.segmentlist[2*counter+1]=counter+1;
-                        in.segmentmarkerlist[counter]=0;
-                        counter++;
-                }
-                /*Close this profile: */
-                 in.segmentlist[2*counter+0]=counter;
-                 in.segmentlist[2*counter+1]=backcounter;
-                 in.segmentmarkerlist[counter]=0;
-                 counter++;
-                 backcounter=counter;
-        }
-        counter2=counter;
-        if(riftname){
-                for (i=0;i<numrifts;i++){
-                        for (j=0;j<(riftsnumvertices[i]-1);j++){
-                                in.segmentlist[2*counter2+0]=counter;
-                                in.segmentlist[2*counter2+1]=counter+1;
-                                in.segmentmarkerlist[counter2]=2+i;
-                                counter2++;
-                                counter++;
-                        }
-                        counter++;
-                }
-        }
-
-        
-        /*Build regions: */
-        in.numberofregions = 0;
-
-        /*Build holes: */
-        in.numberofholes = nprof-1; /*everything is a hole, but for the first profile.*/
-        in.holelist = (REAL *) mxMalloc(in.numberofholes * 2 * sizeof(REAL));
-        for (i=0;i<nprof-1;i++){
-                /*We are looking for a vertex that lies inside the hole: */
-                GridInsideHole(&in.holelist[2*i+0],&in.holelist[2*i+1],profnvertices[i+1],pprofx[i+1],pprofy[i+1]);
-        }
-
-        /* Make necessary initializations so that Triangle can return a */
-        /*   triangulation in `out': */
-
-        out.pointlist = (REAL *) NULL;            
-        out.pointattributelist = (REAL *) NULL;
-        out.pointmarkerlist = (int *) NULL; 
-        out.trianglelist = (int *) NULL;          
-        out.triangleattributelist = (REAL *) NULL;
-        out.neighborlist = (int *) NULL;         
-        out.segmentlist = (int *) NULL;
-        out.segmentmarkerlist = (int *) NULL;
-        out.edgelist = (int *) NULL;             
-        out.edgemarkerlist = (int *) NULL;   
-
-        /* Triangulate the points:.  Switches are chosen to read and write a  */
-        /*   PSLG (p), preserve the convex hull (c), number everything from  */
-        /*   zero (z), assign a regional attribute to each element (A), and  */
-        /*   produce an edge list (e), a Voronoi diagram (v), and a triangle */
-        /*   neighbor list (n).                                              */
-
-        sprintf(options,"%s%lf","pQzDq30ia",area); /*replace V by Q to quiet down the logging*/
-  
-        triangulate(options, &in, &out, NULL);
-        /*report(&out, 0, 1, 1, 1, 1, 0);*/
-
-        /*Allocate index, x and y: */
-        index=(double*)mxMalloc(3*out.numberoftriangles*sizeof(double));
-        x=(double*)mxMalloc(out.numberofpoints*sizeof(double));
-        y=(double*)mxMalloc(out.numberofpoints*sizeof(double));
-        segments=(double*)mxMalloc(3*out.numberofsegments*sizeof(double));
-        segmentmarkerlist=(double*)mxMalloc(out.numberofsegments*sizeof(double));
-
-        for (i = 0; i < out.numberoftriangles; i++) {
-                for (j = 0; j < out.numberofcorners; j++) {
-                        *(index+3*i+j)=(double)out.trianglelist[i * out.numberofcorners + j]+1;
-                }
-        }
-        for (i = 0; i < out.numberofpoints; i++) {
-                x[i]=out.pointlist[i * 2 + 0];
-                y[i]=out.pointlist[i * 2 + 1];
-        }
-        
-        for (i = 0; i < out.numberofsegments; i++) {
-                segments[3*i+0]=(double)out.segmentlist[i*2+0]+1;
-                segments[3*i+1]=(double)out.segmentlist[i*2+1]+1;
-                segmentmarkerlist[i]=(double)out.segmentmarkerlist[i];
-        }
-
-        /*Associate elements with segments: */
-        AssociateSegmentToElement(&segments,out.numberofsegments,index,out.numberoftriangles);
-
-        /*Order segments so that their normals point outside the domain: */
-        if(!strcmp(order,"yes")){
-                OrderSegments(&segments,out.numberofsegments, index,out.numberoftriangles);
-        }
-
-        /*Output : */
-        pmxa_array= mxCreateDoubleMatrix(0,0,mxREAL);
-        mxSetM(pmxa_array,3);
-        mxSetN(pmxa_array,out.numberoftriangles);
-        mxSetPr(pmxa_array,index);
-        mexCallMATLAB( 1, &plhs[0], 1, &pmxa_array, "transpose");
-
-        pmxa_array= mxCreateDoubleMatrix(0,0,mxREAL);
-        mxSetM(pmxa_array,1);
-        mxSetN(pmxa_array,out.numberofpoints);
-        mxSetPr(pmxa_array,x);
-        mexCallMATLAB( 1, &plhs[1], 1, &pmxa_array, "transpose");
-
-        pmxa_array= mxCreateDoubleMatrix(0,0,mxREAL);
-        mxSetM(pmxa_array,1);
-        mxSetN(pmxa_array,out.numberofpoints);
-        mxSetPr(pmxa_array,y);
-        mexCallMATLAB( 1, &plhs[2], 1, &pmxa_array, "transpose");
-
-        pmxa_array= mxCreateDoubleMatrix(0,0,mxREAL);
-        mxSetM(pmxa_array,3);
-        mxSetN(pmxa_array,out.numberofsegments);
-        mxSetPr(pmxa_array,segments);
-        mexCallMATLAB( 1, &plhs[3], 1, &pmxa_array, "transpose");
-
-        pmxa_array= mxCreateDoubleMatrix(0,0,mxREAL);
-        mxSetM(pmxa_array,1);
-        mxSetN(pmxa_array,out.numberofsegments);
-        mxSetPr(pmxa_array,segmentmarkerlist);
-        mexCallMATLAB( 1, &plhs[4], 1, &pmxa_array, "transpose");
-        
-        return;
+        /*end module: */
+        MODULEEND();
 }
 
@@ -307 +68 @@
 {
         printf("\n");
-        printf("   usage: [index,x,y,segments,segmentmarkers]=TriMesh(domainoutlinefilename,riftsoutlinename,area,ordered) \n");
+        printf("   usage: [index,x,y,segments,segmentmarkers]=TriMesh(domainoutlinefilename,area,ordered) \n");
         printf("      where: index,x,y defines a triangulation, segments is an array made \n");
-        printf("      of exterior segments to the mesh domain outline, segmentmarkers is an array flagging each segment \n");
-        printf("      (if rifts are present, markers >=2 flag them ), outlinefilename an Argus domain outline file.\n");
-        printf("      riftsoutlinename is an Argus domain file, defining rifts (ie: open profiles), \n");
-        printf("      area is the maximum area desired for any element of the resulting mesh. \n");
-        printf("      and ordered is a string ('yes' or 'no') that determines whether segments are output in the \n");
+        printf("      of exterior segments to the mesh domain outline, segmentmarkers is an array flagging each segment, \n");
+        printf("      outlinefilename an Argus domain outline file, \n");
+        printf("      area is the maximum area desired for any element of the resulting mesh, \n");
+        printf("      and ordered is a bool that determines whether segments are output in the \n");
         printf("      order they are made by Triangle (ie none), or ordered counter clockwise around the domain outline.\n");
-        printf("      riftsoutlinename and ordered are optional arguments.\n");
         printf("\n");
 }
-
-
-
-

issm/trunk-jpl/src/mex/TriMesh/TriMesh.h ¶

@@ -1 @@
-/*!\file:  TriMesh.h
- * \brief header prototype
- */ 
+/*
+        TriMesh.h
+*/
 
-#ifndef _TRIMESH_H_
-#define _TRIMESH_H_
+#ifndef _TRIMESH_H
+#define _TRIMESH_H
 
-#include "mex.h"
-#include "triangle.h"
-#include "string.h"
+/* local prototypes: */
+void TriMeshUsage(void);
 
 #include "../../c/modules/modules.h"
 #include "../../c/Container/Container.h"
 #include "../../c/shared/shared.h"
+#include "../../c/EnumDefinitions/EnumDefinitions.h"
 
-void TriMeshUsage(void);
 
 #undef __FUNCT__ 
-#define __FUNCT__ "TriMesh"
+#define __FUNCT__  "TriMesh"
 
-#endif
+/* serial input macros: */
+#define DOMAINOUTLINE     (mxArray *)prhs[0]
+#define AREA        (mxArray *)prhs[1]
+#define ORDER     (mxArray *)prhs[2]
+
+/* serial output macros: */
+#define INDEX  (mxArray**)&plhs[0]
+#define X  (mxArray**)&plhs[1]
+#define Y   (mxArray**)&plhs[2]
+#define SEGMENTS   (mxArray**)&plhs[3]
+#define SEGMENTMARKERLIST (mxArray**)&plhs[4]
+
+/* serial arg counts: */
+#undef NLHS
+#define NLHS  5
+#undef NRHS
+#define NRHS  3
+
+#endif  /* _TRIMESH_H */