/*========================================================================= Program: Visualization Toolkit Module: vtkOutlineSource.cxx Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen All rights reserved. See Copyright.txt or http://www.kitware.com/Copyright.htm for details. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the above copyright notice for more information. =========================================================================*/ #include "vtkOutlineSource.h" #include "vtkCellArray.h" #include "vtkInformation.h" #include "vtkInformationVector.h" #include "vtkObjectFactory.h" #include "vtkPoints.h" #include "vtkPolyData.h" vtkStandardNewMacro(vtkOutlineSource); //---------------------------------------------------------------------------- vtkOutlineSource::vtkOutlineSource() { this->BoxType = VTK_BOX_TYPE_AXIS_ALIGNED; this->GenerateFaces = 0; for (int i=0; i<3; i++) { this->Bounds[2*i] = -1.0; this->Bounds[2*i+1] = 1.0; } // Sensible initial values this->Corners[0] = 0.0; this->Corners[1] = 0.0; this->Corners[2] = 0.0; this->Corners[3] = 1.0; this->Corners[4] = 0.0; this->Corners[5] = 0.0; this->Corners[6] = 0.0; this->Corners[7] = 1.0; this->Corners[8] = 0.0; this->Corners[9] = 1.0; this->Corners[10] = 1.0; this->Corners[11] = 0.0; this->Corners[12] = 0.0; this->Corners[13] = 0.0; this->Corners[14] = 1.0; this->Corners[15] = 1.0; this->Corners[16] = 0.0; this->Corners[17] = 1.0; this->Corners[18] = 0.0; this->Corners[19] = 1.0; this->Corners[20] = 1.0; this->Corners[21] = 1.0; this->Corners[22] = 1.0; this->Corners[23] = 1.0; this->SetNumberOfInputPorts(0); } //---------------------------------------------------------------------------- int vtkOutlineSource::RequestData( vtkInformation *vtkNotUsed(request), vtkInformationVector **vtkNotUsed(inputVector), vtkInformationVector *outputVector) { // get the info object vtkInformation *outInfo = outputVector->GetInformationObject(0); // get the ouptut vtkPolyData *output = vtkPolyData::SafeDownCast( outInfo->Get(vtkDataObject::DATA_OBJECT())); double bounds[6]; double x[3]; vtkIdType pts[4]; vtkPoints *newPts; vtkCellArray *newLines; vtkCellArray *newPolys = 0; // // Initialize // for (int i = 0; i < 6; i+=2) { int j = i+1; bounds[i] = this->Bounds[i]; bounds[j] = this->Bounds[j]; if (bounds[i] > bounds[j]) { double tmp = bounds[i]; bounds[i] = bounds[j]; bounds[j] = tmp; } } // // Allocate storage and create outline // newPts = vtkPoints::New(); newPts->Allocate(8); newLines = vtkCellArray::New(); newLines->Allocate(newLines->EstimateSize(12,2)); if (this->GenerateFaces) { newPolys = vtkCellArray::New(); newPolys->Allocate(newPolys->EstimateSize(6,4)); } if (this->BoxType==VTK_BOX_TYPE_AXIS_ALIGNED) { x[0] = bounds[0]; x[1] = bounds[2]; x[2] = bounds[4]; newPts->InsertPoint(0,x); x[0] = bounds[1]; x[1] = bounds[2]; x[2] = bounds[4]; newPts->InsertPoint(1,x); x[0] = bounds[0]; x[1] = bounds[3]; x[2] = bounds[4]; newPts->InsertPoint(2,x); x[0] = bounds[1]; x[1] = bounds[3]; x[2] = bounds[4]; newPts->InsertPoint(3,x); x[0] = bounds[0]; x[1] = bounds[2]; x[2] = bounds[5]; newPts->InsertPoint(4,x); x[0] = bounds[1]; x[1] = bounds[2]; x[2] = bounds[5]; newPts->InsertPoint(5,x); x[0] = bounds[0]; x[1] = bounds[3]; x[2] = bounds[5]; newPts->InsertPoint(6,x); x[0] = bounds[1]; x[1] = bounds[3]; x[2] = bounds[5]; newPts->InsertPoint(7,x); } else //VTK_BOX_TYPE_ORIENTED { newPts->InsertPoint(0, &Corners[0]); newPts->InsertPoint(1, &Corners[3]); newPts->InsertPoint(2, &Corners[6]); newPts->InsertPoint(3, &Corners[9]); newPts->InsertPoint(4, &Corners[12]); newPts->InsertPoint(5, &Corners[15]); newPts->InsertPoint(6, &Corners[18]); newPts->InsertPoint(7, &Corners[21]); } pts[0] = 0; pts[1] = 1; newLines->InsertNextCell(2,pts); pts[0] = 2; pts[1] = 3; newLines->InsertNextCell(2,pts); pts[0] = 4; pts[1] = 5; newLines->InsertNextCell(2,pts); pts[0] = 6; pts[1] = 7; newLines->InsertNextCell(2,pts); pts[0] = 0; pts[1] = 2; newLines->InsertNextCell(2,pts); pts[0] = 1; pts[1] = 3; newLines->InsertNextCell(2,pts); pts[0] = 4; pts[1] = 6; newLines->InsertNextCell(2,pts); pts[0] = 5; pts[1] = 7; newLines->InsertNextCell(2,pts); pts[0] = 0; pts[1] = 4; newLines->InsertNextCell(2,pts); pts[0] = 1; pts[1] = 5; newLines->InsertNextCell(2,pts); pts[0] = 2; pts[1] = 6; newLines->InsertNextCell(2,pts); pts[0] = 3; pts[1] = 7; newLines->InsertNextCell(2,pts); if (newPolys) { pts[0] = 1; pts[1] = 0; pts[2] = 2; pts[3] = 3; newPolys->InsertNextCell(4,pts); pts[0] = 0; pts[1] = 1; pts[2] = 5; pts[3] = 4; newPolys->InsertNextCell(4,pts); pts[0] = 2; pts[1] = 0; pts[2] = 4; pts[3] = 6; newPolys->InsertNextCell(4,pts); pts[0] = 3; pts[1] = 2; pts[2] = 6; pts[3] = 7; newPolys->InsertNextCell(4,pts); pts[0] = 1; pts[1] = 3; pts[2] = 7; pts[3] = 5; newPolys->InsertNextCell(4,pts); pts[0] = 7; pts[1] = 6; pts[2] = 4; pts[3] = 5; newPolys->InsertNextCell(4,pts); } // Update selves and release memory // output->SetPoints(newPts); newPts->Delete(); output->SetLines(newLines); newLines->Delete(); if (newPolys) { output->SetPolys(newPolys); newPolys->Delete(); } return 1; } //---------------------------------------------------------------------------- void vtkOutlineSource::PrintSelf(ostream& os, vtkIndent indent) { this->Superclass::PrintSelf(os,indent); os << indent << "Generate Faces: " << (this->GenerateFaces ? "On\n" : "Off\n"); os << indent << "Box Type: "; if ( this->BoxType == VTK_BOX_TYPE_AXIS_ALIGNED ) { os << "Axis Aligned\n"; os << indent << "Bounds: " << "(" << this->Bounds[0] << ", " << this->Bounds[1] << ") " << "(" << this->Bounds[2] << ", " << this->Bounds[3] << ") " << "(" << this->Bounds[4] << ", " << this->Bounds[5] << ")\n"; } else { os << "Corners: (\n"; for (int i=0; i<8; i++) { os << "\t" << this->Corners[3*i] << ", " << this->Corners[3*i+1] << ", " << this->Corners[3*i+2] << "\n"; } os << ")\n"; } }