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//
// Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to <gmsh@geuz.org>.
#include "Plugin.h"
#include "Extract.h"
#include "List.h"
#include "Views.h"
#include "Context.h"
#include "Malloc.h"
extern Context_T CTX;
StringXNumber ExtractOptions_Number[] = {
{GMSH_FULLRC, "iView", NULL, -1.},
{GMSH_FULLRC, "iComponent", NULL, 0.}
};
extern "C"
{
GMSH_Plugin *GMSH_RegisterExtractPlugin()
{
return new GMSH_ExtractPlugin();
}
}
GMSH_ExtractPlugin::GMSH_ExtractPlugin()
{
;
}
void GMSH_ExtractPlugin::getName(char *name) const
{
strcpy(name, "Extract");
}
void GMSH_ExtractPlugin::getInfos(char *author, char *copyright, char *help_text) const
{
strcpy(author, "C. Geuzaine (geuz@geuz.org)");
strcpy(copyright, "DGR (www.multiphysics.com)");
strcpy(help_text,
"plugin is run on the current view.\n"
"\n"
"Plugin(Extract) creates one new view.\n");
}
int GMSH_ExtractPlugin::getNbOptions() const
{
return sizeof(ExtractOptions_Number) / sizeof(StringXNumber);
}
StringXNumber *GMSH_ExtractPlugin::getOption(int iopt)
{
return &ExtractOptions_Number[iopt];
}
void GMSH_ExtractPlugin::catchErrorMessage(char *errorMessage) const
{
strcpy(errorMessage, "Extract failed...");
}
static void extract(int comp, List_T *inList, int inNb,
List_T *outList, int *outNb,
int nbTime, int nbNod, int nbComp)
{
if(!inNb)
return;
if(comp < 0 || comp > nbComp-1){
Msg(GERROR, "Cannot extract component #(%d+1)=%d from a %d-component field",
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}
int nb = List_Nbr(inList) / inNb;
for(int i = 0; i < List_Nbr(inList); i += nb) {
for(int j = 0; j < 3 * nbNod; j++)
List_Add(outList, List_Pointer_Fast(inList, i + j));
for(int j = 0; j < nbTime; j++)
for(int k = 0; k < nbNod; k++)
List_Add(outList, List_Pointer_Fast(inList, i + 3 * nbNod +
nbNod * nbComp * j +
nbComp * k +
comp));
(*outNb)++;
}
}
Post_View *GMSH_ExtractPlugin::execute(Post_View * v)
{
int iView = (int)ExtractOptions_Number[0].def;
int iComp = (int)ExtractOptions_Number[1].def;
Post_View *vv;
if(v && iView < 0)
vv = v;
else {
if(!v && iView < 0)
iView = 0;
if(!(vv = (Post_View *) List_Pointer_Test(CTX.post.list, iView))) {
Msg(WARNING, "View[%d] does not exist", iView);
return 0;
}
}
// FIXME: this is not secure: if BeginView forces a post.list
// reallocation, vv is wrong
Post_View *view = BeginView(1);
// FIXME: this is a very quick implementation of the Extract
// plugin. An interesting generalization would be to allow arbitrary
// manipulations of the components: we could do that by merging the
// stack-based expression evaluator from getdp and then allow things
// like "$1 + $2", or "Sqrt[$1^2+$5^2]"...
// points
extract(iComp, vv->SP, vv->NbSP, view->SP, &view->NbSP, vv->NbTimeStep, 1, 1);
extract(iComp, vv->VP, vv->NbVP, view->SP, &view->NbSP, vv->NbTimeStep, 1, 3);
extract(iComp, vv->TP, vv->NbTP, view->SP, &view->NbSP, vv->NbTimeStep, 1, 9);
// lines
extract(iComp, vv->SL, vv->NbSL, view->SL, &view->NbSL, vv->NbTimeStep, 2, 1);
extract(iComp, vv->VL, vv->NbVL, view->SL, &view->NbSL, vv->NbTimeStep, 2, 3);
extract(iComp, vv->TL, vv->NbTL, view->SL, &view->NbSL, vv->NbTimeStep, 2, 9);
// triangles
extract(iComp, vv->ST, vv->NbST, view->ST, &view->NbST, vv->NbTimeStep, 3, 1);
extract(iComp, vv->VT, vv->NbVT, view->ST, &view->NbST, vv->NbTimeStep, 3, 3);
extract(iComp, vv->TT, vv->NbTT, view->ST, &view->NbST, vv->NbTimeStep, 3, 9);
// quadrangles
extract(iComp, vv->SQ, vv->NbSQ, view->SQ, &view->NbSQ, vv->NbTimeStep, 4, 1);
extract(iComp, vv->VQ, vv->NbVQ, view->SQ, &view->NbSQ, vv->NbTimeStep, 4, 3);
extract(iComp, vv->TQ, vv->NbTQ, view->SQ, &view->NbSQ, vv->NbTimeStep, 4, 9);
// tets
extract(iComp, vv->SS, vv->NbSS, view->SS, &view->NbSS, vv->NbTimeStep, 4, 1);
extract(iComp, vv->VS, vv->NbVS, view->SS, &view->NbSS, vv->NbTimeStep, 4, 3);
extract(iComp, vv->TS, vv->NbTS, view->SS, &view->NbSS, vv->NbTimeStep, 4, 9);
// hexas
extract(iComp, vv->SH, vv->NbSH, view->SH, &view->NbSH, vv->NbTimeStep, 8, 1);
extract(iComp, vv->VH, vv->NbVH, view->SH, &view->NbSH, vv->NbTimeStep, 8, 3);
extract(iComp, vv->TH, vv->NbTH, view->SH, &view->NbSH, vv->NbTimeStep, 8, 9);
// prisms
extract(iComp, vv->SI, vv->NbSI, view->SI, &view->NbSI, vv->NbTimeStep, 6, 1);
extract(iComp, vv->VI, vv->NbVI, view->SI, &view->NbSI, vv->NbTimeStep, 6, 3);
extract(iComp, vv->TI, vv->NbTI, view->SI, &view->NbSI, vv->NbTimeStep, 6, 9);
// pyramids
extract(iComp, vv->SY, vv->NbSY, view->SY, &view->NbSY, vv->NbTimeStep, 5, 1);
extract(iComp, vv->VY, vv->NbVY, view->SY, &view->NbSY, vv->NbTimeStep, 5, 3);
extract(iComp, vv->TY, vv->NbTY, view->SY, &view->NbSY, vv->NbTimeStep, 5, 9);
if(view->empty()) {
RemoveViewByNumber(view->Num);
}
else{
// copy time data
for(int i = 0; i < List_Nbr(vv->Time); i++)
List_Add(view->Time, List_Pointer(vv->Time, i));
// finalize
char name[1024], filename[1024];
sprintf(name, "%s_Extract_%d", vv->Name, iComp);
sprintf(filename, "%s_Extract_%d.pos", vv->Name, iComp);