Rene Brun
Glen R. Salo wrote:
>
> Hi,
>
> I'm trying to figure out how to delete the geometry shape objects. I've tried
> many thing, but I have not been able to completely remove memory leaks. Below
> is a sample code of what fails and how I am approaching the problem.
>
> Thanks for all of your help.
>
> #include "TROOT.h"
> #include "TBRIK.h"
> #include "TTUBE.h"
> #include "TNode.h"
> #include "TApplication.h"
> #include "TCanvas.h"
> #include "TRotMatrix.h"
>
> extern void InitGui();
> VoidFuncPtr_t initfuncs[] = {InitGui, 0};
>
> TROOT root("Test","Test",initfuncs);
>
> void create_wire( TNode *topNode );
>
> int main(int argc, char **argv) {
>
> TBRIK *brick;
> TNode *topNode;
> TCanvas *c1;
>
> TApplication geomApp("testApp", 0, NULL);
>
> c1 = new TCanvas("c1","TestClass",500,500);
>
> // This loop shows how memory usage grows.
> for (int i = 0; i < 200000; i++) {
>
> if ( i != 0 ) {
> // How do I delete all of the existing geometry shape, node, and rotation
> // matrix objects? I wish it would be as simple as the following line.
delete gGeometry();
gGeometry = new TGeometry();
>
> brick = new TBRIK("invisible_brick","Brick","void",1.,1.,1.);
> topNode = new TNode("topNode","TopNode",brick,0,0,0,0);
> topNode->SetVisibility(2);
> topNode->cd();
> create_wire(topNode);
>
> }
>
> topNode->Draw();
> c1->Update();
>
> geomApp.Run();
>
> return(0);
>
> }
>
> void create_wire( TNode *topNode ) {
>
> TTUBE *wire;
> TNode *node;
> TRotMatrix *rot;
>
> topNode->cd();
>
> wire = new TTUBE("wire1","Wire","void",0.,1.,10.);
> wire->SetLineColor(20);
>
> rot = new TRotMatrix("rotate","Rotate",95.,10.,90.,100.,5.,10.);
>
> node = new TNode("node1","Node2",wire,0.,0.,0.,rot);
>
> }
>
> Glen
>
> *********************************************************************
>
> Glen R. Salo g.r.salo@ieee.org
> Mission Research Corporation (937)429-9261 Ext. 19
> 3975 Research Boulevard (937)429-2625 Fax
> Dayton, Ohio 45430-2108
>
> *********************************************************************