コード例 #1
0
/*
 * Adds points using the mod-2 rule of SFS.  This is used to add the boundary
 * points of dim-1 geometries (Curves/MultiCurves).  According to the SFS,
 * an endpoint of a Curve is on the boundary
 * iff if it is in the boundaries of an odd number of Geometries
 */
void
GeometryGraph::insertBoundaryPoint(int argIndex,const Coordinate& coord)
{
	Node *n=nodes->addNode(coord);
	Label *lbl=n->getLabel();

	// the new point to insert is on a boundary
	int boundaryCount=1;
	// determine the current location for the point (if any)
	int loc=Location::UNDEF;
	if (lbl!=NULL) loc=lbl->getLocation(argIndex,Position::ON);
	if (loc==Location::BOUNDARY) boundaryCount++;

	// determine the boundary status of the point according to the
	// Boundary Determination Rule
	int newLoc = determineBoundary(boundaryNodeRule, boundaryCount);
	lbl->setLocation(argIndex,newLoc);
}
コード例 #2
0
void
display(void)
{
  if (boundary) {
    glClear(GL_COLOR_BUFFER_BIT);
    glDisable(GL_LIGHTING);
    glDisable(GL_DEPTH_TEST);
    glEnable(GL_CULL_FACE);
    determineBoundary(render, 250);
  } else {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glEnable(GL_LIGHTING);
    glEnable(GL_DEPTH_TEST);
    glDisable(GL_CULL_FACE);
    render();
  }
  glutSwapBuffers();
}
コード例 #3
0
Simulation3D::Simulation3D(double L_x, double L_y, double L_z,
			   double T,
			   unsigned int n_cells, unsigned int n_steps,
			   unsigned int procs_x, unsigned int procs_y, unsigned int procs_z,
			   unsigned int block_size,
			   std::string& dump_dir,
			   Simulation3DInitializer* init, mpi::communicator & world) :
  world(world),
  xLine(world.split(world.rank() / procs_x)),
  yLine(world.split(world.rank() % procs_x + (world.rank() / (procs_x*procs_y)) * procs_x)),
  zLine(world.split(world.rank() % (procs_x*procs_y))),
  nSteps(n_steps),
  currentStep(0),
  dx(L_x/n_cells),
  dy(L_y/n_cells),
  dz(L_z/n_cells),
  dt(T/n_steps),
  blockSize(block_size),
  preFactorX(LIGHTSPEED*dt/(2*dx)),
  preFactorY(LIGHTSPEED*dt/(2*dy)),
  preFactorZ(LIGHTSPEED*dt/(2*dz)),
  E(new double[3*blockSize*blockSize*blockSize]),
  B(new double[3*blockSize*blockSize*blockSize]),
  tmp_field(new double[3*blockSize*blockSize*blockSize]),
  rhsx(new double[blockSize*blockSize*blockSize]),
  rhsy(new double[blockSize*blockSize*blockSize]),
  rhsz(new double[blockSize*blockSize*blockSize]),
  rhs_ptrs_x(new double*[blockSize*blockSize]),
  rhs_ptrs_y(new double*[blockSize*blockSize]),
  rhs_ptrs_z(new double*[blockSize*blockSize]),
  dumpDir(dump_dir)
{
  procsX = xLine.size();
  procsY = yLine.size();
  procsZ = zLine.size();

  VacuumMatrixInitializer mat_init_x = VacuumMatrixInitializer(dx, dt, blockSize, determineBoundary(xLine));
  VacuumMatrixInitializer mat_init_y = VacuumMatrixInitializer(dy, dt, blockSize, determineBoundary(yLine));
  VacuumMatrixInitializer mat_init_z = VacuumMatrixInitializer(dz, dt, blockSize, determineBoundary(zLine));
  VacuumCouplingInitializer coupling_init_x = VacuumCouplingInitializer(& mat_init_x, blockSize, xLine);
  VacuumCouplingInitializer coupling_init_y = VacuumCouplingInitializer(& mat_init_y, blockSize, yLine);
  VacuumCouplingInitializer coupling_init_z = VacuumCouplingInitializer(& mat_init_z, blockSize, zLine);

  std::vector<AbstractMatrixInitializer*> mat_inits_x(blockSize*blockSize, & mat_init_x);
  std::vector<AbstractMatrixInitializer*> mat_inits_y(blockSize*blockSize, & mat_init_y);
  std::vector<AbstractMatrixInitializer*> mat_inits_z(blockSize*blockSize, & mat_init_z);
  std::vector<AbstractCouplingInitializer*> coupling_inits_x(blockSize*blockSize, & coupling_init_x);
  std::vector<AbstractCouplingInitializer*> coupling_inits_y(blockSize*blockSize, & coupling_init_y);
  std::vector<AbstractCouplingInitializer*> coupling_inits_z(blockSize*blockSize, & coupling_init_z);

  guardB = allocateGuardStorage();
  guardE = allocateGuardStorage();

  init->setOffsets(xLine, yLine, zLine);
  initFields(init);

  xUpdateRHSs = init->initCollection(mat_inits_x, coupling_inits_x, blockSize, xLine);
  yUpdateRHSs = init->initCollection(mat_inits_y, coupling_inits_y, blockSize, yLine);
  zUpdateRHSs = init->initCollection(mat_inits_z, coupling_inits_z, blockSize, zLine);

  guardSendbuf = new double[3*blockSize*blockSize];
}