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/* |
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************************************************************ |
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* Copyright 2006 by ACcESS MNRF * |
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* * |
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* http://www.access.edu.au * |
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* Primary Business: Queensland, Australia * |
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* Licensed under the Open Software License version 3.0 * |
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* http://www.opensource.org/licenses/osl-3.0.php * |
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* * |
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************************************************************ |
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*/ |
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|
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/**************************************************************/ |
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|
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/* Finley: read mesh */ |
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|
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/**************************************************************/ |
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|
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/* Author: gross@access.edu.au */ |
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/* Version: $Id$ */ |
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|
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/**************************************************************/ |
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|
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#include "Mesh.h" |
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|
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/**************************************************************/ |
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|
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/* reads a mesh from a Finley file of name fname */ |
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|
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Finley_Mesh* Finley_Mesh_read(char* fname,index_t order, index_t reduced_order, bool_t optimize_labeling) { |
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|
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dim_t numNodes, numDim, numEle, i0, i1; |
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index_t tag_key; |
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Finley_Mesh *mesh_p=NULL; |
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char name[LenString_MAX],element_type[LenString_MAX],frm[20]; |
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char error_msg[LenErrorMsg_MAX]; |
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double time0=Finley_timer(); |
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FILE *fileHandle_p = NULL; |
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ElementTypeId typeID, faceTypeID, contactTypeID, pointTypeID; |
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|
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Finley_resetError(); |
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#ifdef PASO_MPI |
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/* TODO */ |
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Finley_setError(SYSTEM_ERROR,"Finley_Mesh_read: MPI is not suporrted yet.");` |
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#endif |
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|
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/* get file handle */ |
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fileHandle_p = fopen(fname, "r"); |
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if (fileHandle_p==NULL) { |
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sprintf(error_msg,"Finley_Mesh_read: Opening file %s for reading failed.",fname); |
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Finley_setError(IO_ERROR,error_msg); |
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return NULL; |
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} |
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|
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/* read header */ |
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sprintf(frm,"%%%d[^\n]",LenString_MAX-1); |
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fscanf(fileHandle_p, frm, name); |
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|
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/* get the nodes */ |
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|
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fscanf(fileHandle_p, "%1d%*s %d\n", &numDim,&numNodes); |
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/* allocate mesh */ |
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mesh_p = Finley_Mesh_alloc(name,numDim,order,reduced_order); |
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if (! Finley_noError()) return NULL; |
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|
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Finley_NodeFile_allocTable(mesh_p->Nodes, numNodes); |
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if (! Finley_noError()) return NULL; |
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|
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if (1 == numDim) { |
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for (i0 = 0; i0 < numNodes; i0++) |
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fscanf(fileHandle_p, "%d %d %d %le\n", &mesh_p->Nodes->Id[i0], |
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&mesh_p->Nodes->degreeOfFreedom[i0], &mesh_p->Nodes->Tag[i0], |
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&mesh_p->Nodes->Coordinates[INDEX2(0,i0,numDim)]); |
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} else if (2 == numDim) { |
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for (i0 = 0; i0 < numNodes; i0++) |
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fscanf(fileHandle_p, "%d %d %d %le %le\n", &mesh_p->Nodes->Id[i0], |
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&mesh_p->Nodes->degreeOfFreedom[i0], &mesh_p->Nodes->Tag[i0], |
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&mesh_p->Nodes->Coordinates[INDEX2(0,i0,numDim)], |
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&mesh_p->Nodes->Coordinates[INDEX2(1,i0,numDim)]); |
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} else if (3 == numDim) { |
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for (i0 = 0; i0 < numNodes; i0++) |
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fscanf(fileHandle_p, "%d %d %d %le %le %le\n", &mesh_p->Nodes->Id[i0], |
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&mesh_p->Nodes->degreeOfFreedom[i0], &mesh_p->Nodes->Tag[i0], |
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&mesh_p->Nodes->Coordinates[INDEX2(0,i0,numDim)], |
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&mesh_p->Nodes->Coordinates[INDEX2(1,i0,numDim)], |
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&mesh_p->Nodes->Coordinates[INDEX2(2,i0,numDim)]); |
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} /* if else else */ |
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|
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/* get the element type */ |
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|
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fscanf(fileHandle_p, "%s %d\n", element_type, &numEle); |
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typeID=Finley_RefElement_getTypeId(element_type); |
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if (typeID==NoType) { |
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sprintf(error_msg,"Finley_Mesh_read :Unidentified element type %s",element_type); |
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Finley_setError(VALUE_ERROR,error_msg); |
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return NULL; |
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} |
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/* read the elements */ |
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mesh_p->Elements=Finley_ElementFile_alloc(typeID,mesh_p->order, mesh_p->reduced_order); |
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Finley_ElementFile_allocTable(mesh_p->Elements, numEle); |
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mesh_p->Elements->minColor=0; |
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mesh_p->Elements->maxColor=numEle-1; |
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for (i0 = 0; i0 < numEle; i0++) { |
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fscanf(fileHandle_p, "%d %d", &mesh_p->Elements->Id[i0], &mesh_p->Elements->Tag[i0]); |
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mesh_p->Elements->Color[i0]=i0; |
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for (i1 = 0; i1 < mesh_p->Elements->ReferenceElement->Type->numNodes; i1++) { |
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fscanf(fileHandle_p, " %d", |
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&mesh_p->Elements->Nodes[INDEX2(i1, i0, mesh_p->Elements->ReferenceElement->Type->numNodes)]); |
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} /* for i1 */ |
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fscanf(fileHandle_p, "\n"); |
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} /* for i0 */ |
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|
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/* get the face elements */ |
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fscanf(fileHandle_p, "%s %d\n", element_type, &numEle); |
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faceTypeID=Finley_RefElement_getTypeId(element_type); |
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faceTypeID=Finley_RefElement_getTypeId(element_type); |
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if (faceTypeID==NoType) { |
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sprintf(error_msg,"Finley_Mesh_read :Unidentified element type %s for face elements",element_type); |
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Finley_setError(VALUE_ERROR,error_msg); |
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return NULL; |
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} |
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mesh_p->FaceElements=Finley_ElementFile_alloc(faceTypeID,mesh_p->order, mesh_p->reduced_order); |
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Finley_ElementFile_allocTable(mesh_p->FaceElements, numEle); |
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mesh_p->FaceElements->minColor=0; |
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mesh_p->FaceElements->maxColor=numEle-1; |
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for (i0 = 0; i0 < numEle; i0++) { |
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fscanf(fileHandle_p, "%d %d", &mesh_p->FaceElements->Id[i0], &mesh_p->FaceElements->Tag[i0]); |
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mesh_p->FaceElements->Color[i0]=i0; |
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for (i1 = 0; i1 < mesh_p->FaceElements->ReferenceElement->Type->numNodes; i1++) { |
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fscanf(fileHandle_p, " %d", |
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&mesh_p->FaceElements->Nodes[INDEX2(i1, i0, mesh_p->FaceElements->ReferenceElement->Type->numNodes)]); |
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} /* for i1 */ |
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fscanf(fileHandle_p, "\n"); |
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} /* for i0 */ |
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|
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/* get the Contact face element */ |
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fscanf(fileHandle_p, "%s %d\n", element_type, &numEle); |
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contactTypeID=Finley_RefElement_getTypeId(element_type); |
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if (contactTypeID==NoType) { |
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sprintf(error_msg,"Finley_Mesh_read: Unidentified element type %s for contact elements",element_type); |
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Finley_setError(VALUE_ERROR,error_msg); |
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return NULL; |
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} |
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mesh_p->ContactElements=Finley_ElementFile_alloc(contactTypeID,mesh_p->order, mesh_p->reduced_order); |
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Finley_ElementFile_allocTable(mesh_p->ContactElements, numEle); |
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mesh_p->ContactElements->minColor=0; |
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mesh_p->ContactElements->maxColor=numEle-1; |
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for (i0 = 0; i0 < numEle; i0++) { |
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fscanf(fileHandle_p, "%d %d", &mesh_p->ContactElements->Id[i0], &mesh_p->ContactElements->Tag[i0]); |
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mesh_p->ContactElements->Color[i0]=i0; |
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for (i1 = 0; i1 < mesh_p->ContactElements->ReferenceElement->Type->numNodes; i1++) { |
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fscanf(fileHandle_p, " %d", |
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&mesh_p->ContactElements->Nodes[INDEX2(i1, i0, mesh_p->ContactElements->ReferenceElement->Type->numNodes)]); |
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} /* for i1 */ |
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fscanf(fileHandle_p, "\n"); |
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} /* for i0 */ |
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|
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/* get the nodal element */ |
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fscanf(fileHandle_p, "%s %d\n", element_type, &numEle); |
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pointTypeID=Finley_RefElement_getTypeId(element_type); |
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if (pointTypeID==NoType) { |
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sprintf(error_msg,"Finley_Mesh_read: Unidentified element type %s for points",element_type); |
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Finley_setError(VALUE_ERROR,error_msg); |
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return NULL; |
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} |
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mesh_p->Points=Finley_ElementFile_alloc(pointTypeID,mesh_p->order, mesh_p->reduced_order); |
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Finley_ElementFile_allocTable(mesh_p->Points, numEle); |
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mesh_p->Points->minColor=0; |
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mesh_p->Points->maxColor=numEle-1; |
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for (i0 = 0; i0 < numEle; i0++) { |
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fscanf(fileHandle_p, "%d %d", &mesh_p->Points->Id[i0], &mesh_p->Points->Tag[i0]); |
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mesh_p->Points->Color[i0]=i0; |
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for (i1 = 0; i1 < mesh_p->Points->ReferenceElement->Type->numNodes; i1++) { |
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fscanf(fileHandle_p, " %d", |
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&mesh_p->Points->Nodes[INDEX2(i1, i0, mesh_p->Points->ReferenceElement->Type->numNodes)]); |
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} /* for i1 */ |
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fscanf(fileHandle_p, "\n"); |
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} /* for i0 */ |
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/* get the name tags */ |
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if (feof(fileHandle_p) == 0) { |
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fscanf(fileHandle_p, "%s\n", name); |
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while (feof(fileHandle_p) == 0) { |
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fscanf(fileHandle_p, "%s %d\n", name, &tag_key); |
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Finley_Mesh_addTagMap(mesh_p,name,tag_key); |
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} |
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} |
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/* close file */ |
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|
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fclose(fileHandle_p); |
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|
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/* resolve id's : */ |
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|
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Finley_Mesh_resolveNodeIds(mesh_p); |
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|
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/* rearrange elements: */ |
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|
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Finley_Mesh_prepare(mesh_p); |
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|
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/* that's it */ |
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#ifdef Finley_TRACE |
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printf("timing: reading mesh: %.4e sec\n",Finley_timer()-time0); |
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#endif |
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if (Finley_noError()) { |
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if ( ! Finley_Mesh_isPrepared(mesh_p)) { |
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Finley_setError(SYSTEM_ERROR,"Mesh is not prepared for calculation. Contact the programmers."); |
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} |
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} else { |
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Finley_Mesh_dealloc(mesh_p); |
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} |
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return mesh_p; |
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} |
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