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969 lines
28 KiB
C++
969 lines
28 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkSpiderPlotActor.cxx
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkSpiderPlotActor.h"
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#include "vtkAlgorithmOutput.h"
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#include "vtkAxisActor2D.h"
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#include "vtkCellArray.h"
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#include "vtkFieldData.h"
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#include "vtkCellData.h"
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#include "vtkMath.h"
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#include "vtkObjectFactory.h"
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#include "vtkPolyData.h"
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#include "vtkPolyDataMapper2D.h"
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#include "vtkTextMapper.h"
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#include "vtkTextProperty.h"
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#include "vtkTrivialProducer.h"
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#include "vtkViewport.h"
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#include "vtkWindow.h"
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#include "vtkLegendBoxActor.h"
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#include "vtkGlyphSource2D.h"
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#include "vtkProperty2D.h"
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#include <string>
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#include <vector>
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vtkStandardNewMacro(vtkSpiderPlotActor);
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vtkCxxSetObjectMacro(vtkSpiderPlotActor,LabelTextProperty,vtkTextProperty);
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vtkCxxSetObjectMacro(vtkSpiderPlotActor,TitleTextProperty,vtkTextProperty);
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// PIMPL'd list of labels
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class vtkAxisLabelArray : public std::vector<std::string> {};
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// PIMPL'd list of ranges
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struct vtkAxisRange
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{
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double Min;
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double Max;
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vtkAxisRange() : Min(0.0), Max(0.0) {}
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vtkAxisRange(double min, double max) : Min(min), Max(max) {}
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};
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class vtkAxisRanges : public std::vector<vtkAxisRange> {};
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class vtkSpiderPlotActorConnection : public vtkAlgorithm
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{
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public:
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static vtkSpiderPlotActorConnection *New();
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vtkTypeMacro(vtkSpiderPlotActorConnection,vtkAlgorithm);
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vtkSpiderPlotActorConnection()
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{
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this->SetNumberOfInputPorts(1);
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}
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};
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vtkStandardNewMacro(vtkSpiderPlotActorConnection);
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//----------------------------------------------------------------------------
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// Instantiate object
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vtkSpiderPlotActor::vtkSpiderPlotActor()
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{
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// Actor2D positions
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this->PositionCoordinate->SetCoordinateSystemToNormalizedViewport();
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this->PositionCoordinate->SetValue(0.1,0.1);
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this->Position2Coordinate->SetCoordinateSystemToNormalizedViewport();
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this->Position2Coordinate->SetValue(0.9, 0.8);
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this->Position2Coordinate->SetReferenceCoordinate(NULL);
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this->ConnectionHolder = vtkSpiderPlotActorConnection::New();
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this->IndependentVariables = VTK_IV_COLUMN;
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this->TitleVisibility = 1;
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this->Title = NULL;
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this->Labels = new vtkAxisLabelArray;
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this->Ranges = new vtkAxisRanges;
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this->LabelMappers = NULL;
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this->LabelActors = NULL;
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this->LabelTextProperty = vtkTextProperty::New();
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this->LabelTextProperty->SetFontSize(12);
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this->LabelTextProperty->SetBold(1);
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this->LabelTextProperty->SetItalic(1);
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this->LabelTextProperty->SetShadow(0);
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this->LabelTextProperty->SetFontFamilyToArial();
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this->TitleTextProperty = vtkTextProperty::New();
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this->TitleTextProperty->ShallowCopy(this->LabelTextProperty);
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this->TitleTextProperty->SetFontSize(24);
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this->TitleTextProperty->SetBold(1);
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this->TitleTextProperty->SetItalic(0);
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this->TitleTextProperty->SetShadow(1);
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this->TitleTextProperty->SetFontFamilyToArial();
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this->LabelVisibility = 1;
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this->NumberOfRings = 2;
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this->LegendVisibility = 1;
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this->LegendActor = vtkLegendBoxActor::New();
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this->LegendActor->GetPositionCoordinate()->SetCoordinateSystemToViewport();
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this->LegendActor->GetPosition2Coordinate()->SetCoordinateSystemToViewport();
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this->LegendActor->GetPosition2Coordinate()->SetReferenceCoordinate(NULL);
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this->LegendActor->BorderOff();
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this->LegendActor->SetNumberOfEntries(100); //initial allocation
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this->LegendActor->SetPadding(2);
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this->LegendActor->ScalarVisibilityOff();
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this->GlyphSource = vtkGlyphSource2D::New();
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this->GlyphSource->SetGlyphTypeToNone();
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this->GlyphSource->DashOn();
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this->GlyphSource->FilledOff();
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this->GlyphSource->Update();
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this->PlotData = vtkPolyData::New();
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this->PlotMapper = vtkPolyDataMapper2D::New();
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this->PlotMapper->SetInputData(this->PlotData);
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this->PlotActor = vtkActor2D::New();
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this->PlotActor->SetMapper(this->PlotMapper);
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this->TitleMapper = vtkTextMapper::New();
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this->TitleActor = vtkActor2D::New();
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this->TitleActor->SetMapper(this->TitleMapper);
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this->TitleActor->GetPositionCoordinate()->SetCoordinateSystemToViewport();
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this->N = 0;
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this->Mins = NULL;
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this->Maxs = NULL;
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this->WebData = vtkPolyData::New();
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this->WebMapper = vtkPolyDataMapper2D::New();
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this->WebMapper->SetInputData(this->WebData);
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this->WebActor = vtkActor2D::New();
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this->WebActor->SetMapper(this->WebMapper);
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this->LastPosition[0] =
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this->LastPosition[1] =
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this->LastPosition2[0] =
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this->LastPosition2[1] = 0;
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this->P1[0] = this->P1[1] = this->P2[0] = this->P2[1] = 0.0;
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}
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//----------------------------------------------------------------------------
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vtkSpiderPlotActor::~vtkSpiderPlotActor()
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{
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this->ConnectionHolder->Delete();
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this->ConnectionHolder = 0;
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delete [] this->Title;
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this->Title = NULL;
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delete this->Labels;
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delete this->Ranges;
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this->SetLabelTextProperty(NULL);
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this->SetTitleTextProperty(NULL);
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this->LegendActor->Delete();
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this->GlyphSource->Delete();
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this->Initialize();
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this->TitleMapper->Delete();
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this->TitleMapper = NULL;
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this->TitleActor->Delete();
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this->TitleActor = NULL;
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this->WebData->Delete();
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this->WebMapper->Delete();
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this->WebActor->Delete();
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this->PlotData->Delete();
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this->PlotMapper->Delete();
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this->PlotActor->Delete();
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}
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//----------------------------------------------------------------------------
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void vtkSpiderPlotActor::SetInputConnection(vtkAlgorithmOutput* ao)
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{
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this->ConnectionHolder->SetInputConnection(ao);
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}
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//----------------------------------------------------------------------------
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void vtkSpiderPlotActor::SetInputData(vtkDataObject* dobj)
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{
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vtkTrivialProducer* tp = vtkTrivialProducer::New();
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tp->SetOutput(dobj);
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this->SetInputConnection(tp->GetOutputPort());
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tp->Delete();
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}
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//----------------------------------------------------------------------------
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vtkDataObject* vtkSpiderPlotActor::GetInput()
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{
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return this->ConnectionHolder->GetInputDataObject(0, 0);
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}
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//----------------------------------------------------------------------------
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// Free-up axes and related stuff
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void vtkSpiderPlotActor::Initialize()
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{
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if ( this->LabelActors )
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{
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for (int i=0; i<this->N; i++)
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{
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this->LabelMappers[i]->Delete();
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this->LabelActors[i]->Delete();
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}
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delete [] this->LabelMappers;
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this->LabelMappers = NULL;
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delete [] this->LabelActors;
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this->LabelActors = NULL;
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}
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if ( this->Mins )
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{
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delete [] this->Mins;
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this->Mins = NULL;
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delete [] this->Maxs;
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this->Maxs = NULL;
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}
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this->N = 0;
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}
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//----------------------------------------------------------------------------
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// Plot scalar data for each input dataset.
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int vtkSpiderPlotActor::RenderOverlay(vtkViewport *viewport)
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{
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int renderedSomething=0;
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if ( !this->BuildPlot(viewport) )
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{
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return 0;
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}
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// Done rebuilding, render as appropriate.
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if ( this->GetInput() == NULL || this->N <= 0 )
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{
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vtkErrorMacro(<< "Nothing to plot!");
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return 0;
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}
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if ( this->TitleVisibility )
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{
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renderedSomething += this->TitleActor->RenderOverlay(viewport);
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}
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this->WebActor->SetProperty(this->GetProperty());
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renderedSomething += this->WebActor->RenderOverlay(viewport);
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renderedSomething += this->PlotActor->RenderOverlay(viewport);
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if ( this->LabelVisibility )
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{
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for (int i=0; i<this->N; i++)
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{
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renderedSomething += this->LabelActors[i]->RenderOverlay(viewport);
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}
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}
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if ( this->LegendVisibility )
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{
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renderedSomething += this->LegendActor->RenderOverlay(viewport);
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}
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return renderedSomething;
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}
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//----------------------------------------------------------------------------
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// Plot scalar data for each input dataset.
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int vtkSpiderPlotActor::RenderOpaqueGeometry(vtkViewport *viewport)
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{
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int renderedSomething=0;
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if ( !this->BuildPlot(viewport) )
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{
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return 0;
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}
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// Done rebuilding, render as appropriate.
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if ( this->GetInput() == NULL || this->N <= 0 )
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{
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vtkErrorMacro(<< "Nothing to plot!");
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return 0;
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}
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if ( this->TitleVisibility )
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{
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renderedSomething += this->TitleActor->RenderOpaqueGeometry(viewport);
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}
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this->WebActor->SetProperty(this->GetProperty());
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renderedSomething += this->WebActor->RenderOpaqueGeometry(viewport);
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renderedSomething += this->PlotActor->RenderOpaqueGeometry(viewport);
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if ( this->LabelVisibility )
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{
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for (int i=0; i<this->N; i++)
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{
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renderedSomething += this->LabelActors[i]->RenderOpaqueGeometry(viewport);
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}
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}
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if ( this->LegendVisibility )
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{
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renderedSomething += this->LegendActor->RenderOpaqueGeometry(viewport);
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}
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return renderedSomething;
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}
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//-----------------------------------------------------------------------------
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// Description:
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// Does this prop have some translucent polygonal geometry?
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int vtkSpiderPlotActor::HasTranslucentPolygonalGeometry()
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{
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return 0;
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}
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//-----------------------------------------------------------------------------
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int vtkSpiderPlotActor::BuildPlot(vtkViewport *viewport)
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{
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// Initialize
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vtkDebugMacro(<<"Building spider plot");
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// Make sure input is up to date, and that the data is the correct shape to
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// plot.
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if (!this->GetInput())
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{
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vtkErrorMacro(<< "Nothing to plot!");
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return 0;
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}
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if (!this->TitleTextProperty)
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{
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vtkErrorMacro(<<"Need title text property to render plot");
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return 0;
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}
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if (!this->LabelTextProperty)
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{
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vtkErrorMacro(<<"Need label text property to render plot");
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return 0;
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}
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// Viewport change may not require rebuild
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int positionsHaveChanged = 0;
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if (viewport->GetMTime() > this->BuildTime ||
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(viewport->GetVTKWindow() &&
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viewport->GetVTKWindow()->GetMTime() > this->BuildTime))
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{
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int *lastPosition =
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this->PositionCoordinate->GetComputedViewportValue(viewport);
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int *lastPosition2 =
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this->Position2Coordinate->GetComputedViewportValue(viewport);
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if (lastPosition[0] != this->LastPosition[0] ||
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lastPosition[1] != this->LastPosition[1] ||
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lastPosition2[0] != this->LastPosition2[0] ||
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lastPosition2[1] != this->LastPosition2[1] )
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{
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this->LastPosition[0] = lastPosition[0];
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this->LastPosition[1] = lastPosition[1];
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this->LastPosition2[0] = lastPosition2[0];
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this->LastPosition2[1] = lastPosition2[1];
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positionsHaveChanged = 1;
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}
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}
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// Check modified time to see whether we have to rebuild.
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this->ConnectionHolder->GetInputAlgorithm()->Update();
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if (positionsHaveChanged ||
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this->GetMTime() > this->BuildTime ||
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this->GetInput()->GetMTime() > this->BuildTime ||
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this->LabelTextProperty->GetMTime() > this->BuildTime ||
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this->TitleTextProperty->GetMTime() > this->BuildTime)
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{
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vtkDebugMacro(<<"Rebuilding plot");
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// Build axes
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int *size = viewport->GetSize();
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if (!this->PlaceAxes(viewport, size))
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{
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return 0;
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}
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this->BuildTime.Modified();
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} // If need to rebuild the plot
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return 1;
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}
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//----------------------------------------------------------------------------
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static inline int vtkSpiderPlotActorGetComponent(vtkFieldData* field,
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vtkIdType tuple, int component, double* val)
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{
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int array_comp;
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int array_index = field->GetArrayContainingComponent(component, array_comp);
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if (array_index < 0)
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{
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return 0;
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}
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vtkDataArray* da = field->GetArray(array_index);
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if (!da)
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{
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// non-numeric array.
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return 0;
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}
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*val = da->GetComponent(tuple, array_comp);
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return 1;
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}
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#define VTK_RING_PTS 64
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//----------------------------------------------------------------------------
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int vtkSpiderPlotActor::PlaceAxes(vtkViewport *viewport, int* vtkNotUsed(size))
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{
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vtkIdType i, j, k;
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vtkDataObject *input = this->GetInput();
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vtkFieldData *field = input->GetFieldData();
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double v = 0.0;
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this->Initialize();
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if ( ! field )
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{
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return 0;
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}
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// Determine the shape of the field
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int numComponents = field->GetNumberOfComponents(); //number of components
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// Note: numComponents also includes the non-numeric arrays.
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int numColumns = 0; //number of "columns" -- includes only numeric arrays.
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vtkIdType numRows = VTK_ID_MAX; //figure out number of rows
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vtkIdType numTuples;
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vtkDataArray *array;
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for (i=0; i<field->GetNumberOfArrays(); i++)
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{
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array = field->GetArray(i);
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if (!array)
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{
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// skip over non-numeric arrays.
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continue;
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}
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numColumns += array->GetNumberOfComponents();
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numTuples = array->GetNumberOfTuples();
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if ( numTuples < numRows )
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{
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numRows = numTuples;
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}
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}
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// Determine the number of independent variables
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if ( this->IndependentVariables == VTK_IV_COLUMN )
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{
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this->N = numColumns;
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}
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else //row
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{
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this->N = numRows;
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}
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if ( this->N <= 0 || this->N >= VTK_ID_MAX )
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{
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this->N = 0;
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vtkErrorMacro(<<"No field data to plot");
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return 0;
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}
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// We need to loop over the field to determine the range of
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// each independent variable.
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this->Mins = new double [this->N];
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this->Maxs = new double [this->N];
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for (i=0; i<this->N; i++)
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{
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this->Mins[i] = VTK_DOUBLE_MAX;
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this->Maxs[i] = -VTK_DOUBLE_MAX;
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}
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if ( this->Ranges->size() < static_cast<unsigned int>(this->N) )
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{//ranges not specified
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if ( this->IndependentVariables == VTK_IV_COLUMN )
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{
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k = 0;
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for (j=0; j<numComponents; j++)
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{
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int array_comp, array_index;
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array_index = field->GetArrayContainingComponent(j, array_comp);
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if (array_index < 0 || !field->GetArray(array_index))
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{
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// non-numeric component, simply skip it.
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continue;
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}
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for (i=0; i<numRows; i++)
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{
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//v = field->GetComponent(i,j);
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::vtkSpiderPlotActorGetComponent(field, i, j, &v);
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if ( v < this->Mins[k] )
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{
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this->Mins[k] = v;
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}
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if ( v > this->Maxs[k] )
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{
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this->Maxs[k] = v;
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}
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}
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k++;
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}
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}
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else //row
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{
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for (j=0; j<numRows; j++)
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{
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for (i=0; i<numComponents; i++)
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{
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//v = field->GetComponent(j,i);
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if (::vtkSpiderPlotActorGetComponent(field,
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j, i, &v) == 0)
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{
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// non-numeric component, simply skip.
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continue;
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}
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if ( v < this->Mins[j] )
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{
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this->Mins[j] = v;
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}
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if ( v > this->Maxs[j] )
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{
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this->Maxs[j] = v;
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}
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}
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}
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}
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for (i=0; i < this->N; i++)
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{
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this->Ranges->push_back(vtkAxisRange(this->Mins[i],this->Maxs[i]));
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}
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}//if automatic range computation
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else//specified correctly
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{
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vtkAxisRange range;
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for (i=0; i < this->N; i++)
|
|
{
|
|
range = this->Ranges->at(i);
|
|
this->Mins[i] = range.Min;
|
|
this->Maxs[i] = range.Max;
|
|
}
|
|
}
|
|
|
|
// Get the location of the corners of the box
|
|
double *p1 = this->PositionCoordinate->GetComputedDoubleViewportValue(viewport);
|
|
double *p2 = this->Position2Coordinate->GetComputedDoubleViewportValue(viewport);
|
|
this->P1[0] = (p1[0] < p2[0] ? p1[0] : p2[0]);
|
|
this->P1[1] = (p1[1] < p2[1] ? p1[1] : p2[1]);
|
|
this->P2[0] = (p1[0] > p2[0] ? p1[0] : p2[0]);
|
|
this->P2[1] = (p1[1] > p2[1] ? p1[1] : p2[1]);
|
|
p1 = this->P1;
|
|
p2 = this->P2;
|
|
|
|
// Create the spider web
|
|
// Determine the center of the spider plot. Leave room for the title and the legend
|
|
double titleSpace=0.0, legendSpace=0.0;
|
|
if ( this->TitleVisibility )
|
|
{
|
|
titleSpace = 0.1;
|
|
}
|
|
if ( this->LegendVisibility )
|
|
{
|
|
legendSpace = 0.15;
|
|
}
|
|
|
|
double d1 = p2[0] - legendSpace*(p2[0]-p1[0]) - p1[0];
|
|
double d2 = p2[1] - titleSpace*(p2[1]-p1[1]) - p1[1];
|
|
|
|
this->Center[0] = p1[0] + d1/2.0;
|
|
this->Center[1] = p1[1] + d2/2.0;
|
|
this->Center[2] = 0.0;
|
|
this->Radius = (d1 < d2 ? d1 : d2);
|
|
this->Radius /= 2.0;
|
|
|
|
// Now generate the web points
|
|
this->WebData->Initialize(); //remove old polydata, if any
|
|
vtkPoints *webPts = vtkPoints::New();
|
|
webPts->Allocate(this->NumberOfRings*VTK_RING_PTS);
|
|
vtkCellArray *webLines = vtkCellArray::New();
|
|
webLines->Allocate(this->N+this->NumberOfRings,VTK_RING_PTS);
|
|
this->WebData->SetPoints(webPts);
|
|
this->WebData->SetLines(webLines);
|
|
vtkIdType ptId, pIds[VTK_RING_PTS+1];
|
|
double currentTheta, x[3]; x[2] = 0.0;
|
|
|
|
// Specify the positions for the axes
|
|
this->Theta = 2.0*vtkMath::Pi()/this->N;
|
|
pIds[0] = webPts->InsertNextPoint(this->Center);
|
|
for (i=0; i<this->N; i++)
|
|
{
|
|
x[0] = this->Center[0] + this->Radius*cos(i*this->Theta);
|
|
x[1] = this->Center[1] + this->Radius*sin(i*this->Theta);
|
|
pIds[1] = webPts->InsertNextPoint(x);
|
|
webLines->InsertNextCell(2,pIds);
|
|
}
|
|
if ( this->NumberOfRings > 0 )
|
|
{
|
|
double currentRadius, deltaRadius = this->Radius / this->NumberOfRings;
|
|
currentTheta = 2.0*vtkMath::Pi()/VTK_RING_PTS;
|
|
for (i=0; i<this->NumberOfRings; i++)
|
|
{
|
|
currentRadius = static_cast<double>(i+1) * deltaRadius;
|
|
for (j=0; j<VTK_RING_PTS; j++)
|
|
{
|
|
x[0] = this->Center[0] + currentRadius*cos(j*currentTheta);
|
|
x[1] = this->Center[1] + currentRadius*sin(j*currentTheta);
|
|
pIds[j] = webPts->InsertNextPoint(x);
|
|
}
|
|
pIds[VTK_RING_PTS] = pIds[0];
|
|
webLines->InsertNextCell(VTK_RING_PTS+1,pIds);
|
|
}
|
|
}
|
|
|
|
// Produce labels around the rim of the plot
|
|
int minFontSize=1000, fontSize, tsize[2];
|
|
if ( this->LabelVisibility )
|
|
{
|
|
this->LabelActors = new vtkActor2D* [this->N];
|
|
this->LabelMappers = new vtkTextMapper* [this->N];
|
|
char label[1024];
|
|
const char *str;
|
|
for (i=0; i<this->N; i++)
|
|
{
|
|
x[0] = this->Center[0] + (this->Radius+5)*cos(i*this->Theta);
|
|
x[1] = this->Center[1] + (this->Radius+5)*sin(i*this->Theta);
|
|
this->LabelMappers[i] = vtkTextMapper::New();
|
|
if ( (str=this->GetAxisLabel(i)) != NULL )
|
|
{
|
|
this->LabelMappers[i]->SetInput(str);
|
|
}
|
|
else
|
|
{
|
|
sprintf(label,"%d",static_cast<int>(i));
|
|
this->LabelMappers[i]->SetInput(label);
|
|
}
|
|
this->LabelMappers[i]->GetTextProperty()->
|
|
ShallowCopy(this->LabelTextProperty);
|
|
tsize[0] = static_cast<int>(0.15*d1);
|
|
tsize[1] = static_cast<int>(0.15*d2);
|
|
fontSize = this->LabelMappers[i]->SetConstrainedFontSize(
|
|
viewport, tsize[0], tsize[1]);
|
|
minFontSize = (fontSize < minFontSize ? fontSize : minFontSize);
|
|
|
|
this->LabelActors[i] = vtkActor2D::New();
|
|
this->LabelActors[i]->SetMapper(this->LabelMappers[i]);
|
|
this->LabelActors[i]->GetPositionCoordinate()->
|
|
SetCoordinateSystemToViewport();
|
|
this->LabelActors[i]->SetPosition(x);
|
|
// depending on the qudrant, the text is aligned differently
|
|
if ( x[0] >= this->Center[0] && x[1] >= this->Center[1] )
|
|
{
|
|
this->LabelMappers[i]->GetTextProperty()->SetJustificationToLeft();
|
|
this->LabelMappers[i]->GetTextProperty()->SetVerticalJustificationToBottom();
|
|
}
|
|
else if ( x[0] < this->Center[0] && x[1] >= this->Center[1] )
|
|
{
|
|
this->LabelMappers[i]->GetTextProperty()->SetJustificationToRight();
|
|
this->LabelMappers[i]->GetTextProperty()->SetVerticalJustificationToBottom();
|
|
}
|
|
else if ( x[0] < this->Center[0] && x[1] < this->Center[1] )
|
|
{
|
|
this->LabelMappers[i]->GetTextProperty()->SetJustificationToRight();
|
|
this->LabelMappers[i]->GetTextProperty()->SetVerticalJustificationToTop();
|
|
}
|
|
else if ( x[0] >= this->Center[0] && x[1] < this->Center[1] )
|
|
{
|
|
this->LabelMappers[i]->GetTextProperty()->SetJustificationToLeft();
|
|
this->LabelMappers[i]->GetTextProperty()->SetVerticalJustificationToTop();
|
|
}
|
|
}//for all axes
|
|
//Now reset font sizes to the same value
|
|
for (i=0; i<this->N; i++)
|
|
{
|
|
this->LabelMappers[i]->GetTextProperty()->SetFontSize(minFontSize);
|
|
}
|
|
}
|
|
|
|
// Now generate the lines to plot
|
|
this->PlotData->Initialize(); //remove old polydata, if any
|
|
vtkPoints *pts = vtkPoints::New();
|
|
pts->Allocate(numRows*numColumns);
|
|
vtkCellArray *lines = vtkCellArray::New();
|
|
vtkUnsignedCharArray *colors = vtkUnsignedCharArray::New();
|
|
colors->SetNumberOfComponents(3);
|
|
this->PlotData->SetPoints(pts);
|
|
this->PlotData->SetLines(lines);
|
|
this->PlotData->GetCellData()->SetScalars(colors);
|
|
colors->Delete();
|
|
|
|
this->LegendActor->GetProperty()->DeepCopy(this->GetProperty());
|
|
|
|
double r, *color;
|
|
vtkIdType firstId=0;
|
|
char buf[1024];
|
|
if ( this->IndependentVariables == VTK_IV_COLUMN )
|
|
{
|
|
lines->Allocate(lines->EstimateSize(numRows,numColumns));
|
|
for (j=0; j<numRows; j++)
|
|
{
|
|
lines->InsertNextCell(numColumns+1);
|
|
color = this->LegendActor->GetEntryColor(j);
|
|
colors->InsertNextTuple3(255*color[0],255*color[1],255*color[2]);
|
|
this->LegendActor->SetEntrySymbol(j,this->GlyphSource->GetOutput());
|
|
sprintf(buf,"%d",static_cast<int>(j));
|
|
this->LegendActor->SetEntryString(j,buf);
|
|
for (i=0,k=0; i<numColumns && k < numComponents; k++)
|
|
{
|
|
if (::vtkSpiderPlotActorGetComponent(field, j, k, &v) == 0)
|
|
{
|
|
// skip non-numeric components.
|
|
continue;
|
|
}
|
|
if ( (this->Maxs[i]-this->Mins[i]) == 0.0 )
|
|
{
|
|
r = 0.0;
|
|
}
|
|
else
|
|
{
|
|
r = this->Radius*(v - this->Mins[i]) / (this->Maxs[i] - this->Mins[i]);
|
|
}
|
|
x[0] = this->Center[0] + r * cos(i*this->Theta);
|
|
x[1] = this->Center[1] + r * sin(i*this->Theta);
|
|
ptId = pts->InsertNextPoint(x);
|
|
firstId = (i==0 ? ptId : firstId);
|
|
lines->InsertCellPoint(ptId);
|
|
i++;
|
|
}
|
|
lines->InsertCellPoint(firstId);
|
|
}
|
|
}
|
|
else //row
|
|
{
|
|
lines->Allocate(lines->EstimateSize(numColumns,numRows));
|
|
for (j=0; j<numComponents; j++)
|
|
{
|
|
int array_comp;
|
|
int array_index = field->GetArrayContainingComponent(j, array_comp);
|
|
if (!field->GetArray(array_index))
|
|
{
|
|
// non-numeric component, skip it.
|
|
continue;
|
|
}
|
|
lines->InsertNextCell(numColumns+1);
|
|
color = this->LegendActor->GetEntryColor(j);
|
|
colors->InsertNextTuple3(255*color[0],255*color[1],255*color[2]);
|
|
this->LegendActor->SetEntrySymbol(j,this->GlyphSource->GetOutput());
|
|
sprintf(buf,"%d",static_cast<int>(j));
|
|
this->LegendActor->SetEntryString(j,buf);
|
|
for (i=0; i<numRows; i++)
|
|
{
|
|
vtkSpiderPlotActorGetComponent(field, i, j, &v);
|
|
if ( (this->Maxs[i]-this->Mins[i]) == 0.0 )
|
|
{
|
|
r = 0.0;
|
|
}
|
|
else
|
|
{
|
|
r = this->Radius*(v - this->Mins[i]) / (this->Maxs[i] - this->Mins[i]);
|
|
}
|
|
x[0] = this->Center[0] + r * cos(i*this->Theta);
|
|
x[1] = this->Center[1] + r * sin(i*this->Theta);
|
|
ptId = pts->InsertNextPoint(x);
|
|
firstId = (i==0 ? ptId : firstId);
|
|
lines->InsertCellPoint(ptId);
|
|
}
|
|
lines->InsertCellPoint(firstId);
|
|
}
|
|
}
|
|
|
|
//Display the legend
|
|
if ( this->LegendVisibility )
|
|
{
|
|
this->LegendActor->GetPositionCoordinate()->SetValue(
|
|
p1[0] + 0.85*(p2[0]-p1[0]),p1[1] + 0.20*(p2[1]-p1[1]));
|
|
this->LegendActor->GetPosition2Coordinate()->SetValue(
|
|
p2[0], p1[1] + 0.80*(p2[1]-p1[1]));
|
|
}
|
|
|
|
// Build title
|
|
this->TitleMapper->SetInput(this->Title);
|
|
if (this->TitleTextProperty->GetMTime() > this->BuildTime)
|
|
{
|
|
// Shallow copy here since the justification is changed but we still
|
|
// want to allow actors to share the same text property, and in that case
|
|
// specifically allow the title and label text prop to be the same.
|
|
this->TitleMapper->GetTextProperty()->ShallowCopy(
|
|
this->TitleTextProperty);
|
|
this->TitleMapper->GetTextProperty()->SetJustificationToCentered();
|
|
}
|
|
|
|
// We could do some caching here, but hey, that's just the title
|
|
tsize[0] = static_cast<int>(0.25*d1);
|
|
tsize[1] = static_cast<int>(0.15*d2);
|
|
this->TitleMapper->SetConstrainedFontSize(viewport, tsize[0], tsize[1]);
|
|
|
|
this->TitleActor->GetPositionCoordinate()->
|
|
SetValue(this->Center[0],this->Center[1]+this->Radius+tsize[1]);
|
|
|
|
//Clean up
|
|
webPts->Delete();
|
|
webLines->Delete();
|
|
pts->Delete();
|
|
lines->Delete();
|
|
|
|
return 1;
|
|
}
|
|
#undef VTK_RING_PTS
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Release any graphics resources that are being consumed by this actor.
|
|
// The parameter window could be used to determine which graphic
|
|
// resources to release.
|
|
void vtkSpiderPlotActor::ReleaseGraphicsResources(vtkWindow *win)
|
|
{
|
|
this->TitleActor->ReleaseGraphicsResources(win);
|
|
this->LegendActor->ReleaseGraphicsResources(win);
|
|
this->WebActor->ReleaseGraphicsResources(win);
|
|
this->PlotActor->ReleaseGraphicsResources(win);
|
|
for (int i=0; this->LabelActors && i<this->N; i++)
|
|
{
|
|
this->LabelActors[i]->ReleaseGraphicsResources(win);
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkSpiderPlotActor::SetAxisLabel(const int i, const char *label)
|
|
{
|
|
if ( i < 0 )
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ( static_cast<unsigned int>(i) >= this->Labels->size() )
|
|
{
|
|
this->Labels->resize(i+1);
|
|
}
|
|
(*this->Labels)[i] = std::string(label);
|
|
this->Modified();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
const char* vtkSpiderPlotActor::GetAxisLabel(int i)
|
|
{
|
|
if ( i < 0 )
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
return this->Labels->at(i).c_str();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkSpiderPlotActor::SetAxisRange(int i, double min, double max)
|
|
{
|
|
if ( i < 0 )
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ( static_cast<unsigned int>(i) >= this->Ranges->size() )
|
|
{
|
|
this->Ranges->resize(i+1);
|
|
}
|
|
(*this->Ranges)[i] = vtkAxisRange(min,max);
|
|
this->Modified();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkSpiderPlotActor::SetAxisRange(int i, double range[2])
|
|
{
|
|
this->SetAxisRange(i, range[0],range[1]);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkSpiderPlotActor::GetAxisRange(int i, double range[2])
|
|
{
|
|
if ( i < 0 )
|
|
{
|
|
return;
|
|
}
|
|
|
|
vtkAxisRange arange = this->Ranges->at(i);
|
|
range[0] = arange.Min;
|
|
range[1] = arange.Max;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkSpiderPlotActor::SetPlotColor(int i, double r, double g, double b)
|
|
{
|
|
this->LegendActor->SetEntryColor(i, r, g, b);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
double *vtkSpiderPlotActor::GetPlotColor(int i)
|
|
{
|
|
return this->LegendActor->GetEntryColor(i);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkSpiderPlotActor::PrintSelf(ostream& os, vtkIndent indent)
|
|
{
|
|
this->Superclass::PrintSelf(os,indent);
|
|
|
|
os << indent << "Input: " << this->GetInput() << "\n";
|
|
|
|
os << indent << "Number Of Independent Variables: " << this->N << "\n";
|
|
os << indent << "Independent Variables: ";
|
|
if ( this->IndependentVariables == VTK_IV_COLUMN )
|
|
{
|
|
os << "Columns\n";
|
|
}
|
|
else
|
|
{
|
|
os << "Rows\n";
|
|
}
|
|
|
|
os << indent << "Title Visibility: "
|
|
<< (this->TitleVisibility ? "On\n" : "Off\n");
|
|
|
|
os << indent << "Title: " << (this->Title ? this->Title : "(none)") << "\n";
|
|
|
|
if (this->TitleTextProperty)
|
|
{
|
|
os << indent << "Title Text Property:\n";
|
|
this->TitleTextProperty->PrintSelf(os,indent.GetNextIndent());
|
|
}
|
|
else
|
|
{
|
|
os << indent << "Title Text Property: (none)\n";
|
|
}
|
|
|
|
os << indent << "Label Visibility: "
|
|
<< (this->LabelVisibility ? "On\n" : "Off\n");
|
|
|
|
if (this->LabelTextProperty)
|
|
{
|
|
os << indent << "Label Text Property:\n";
|
|
this->LabelTextProperty->PrintSelf(os,indent.GetNextIndent());
|
|
}
|
|
else
|
|
{
|
|
os << indent << "Label Text Property: (none)\n";
|
|
}
|
|
|
|
os << indent << "Number of Rings: " << this->NumberOfRings << "\n";
|
|
|
|
os << indent << "Legend Visibility: "
|
|
<< (this->LegendVisibility ? "On\n" : "Off\n");
|
|
|
|
os << indent << "Legend Actor: "
|
|
<< this->LegendActor << "\n";
|
|
this->LegendActor->PrintSelf(os, indent.GetNextIndent());
|
|
|
|
}
|