vtkMap/core/vtkFeature.cxx at 235e4877852e45b6854fb93445ba146d62884bb7 · OpenGeoscience/vtkMap · GitHub

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/*=========================================================================

  Program:   Visualization Toolkit

  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 "vtkFeature.h"

//----------------------------------------------------------------------------
vtkFeature::vtkFeature()
  : vtkObject()
{
  this->Id = 0;
  this->Visibility = 1;
  this->Gcs = nullptr;

  this->SetGcs("EPSG4326");
}

//----------------------------------------------------------------------------
vtkFeature::~vtkFeature()
{
  delete[] this->Gcs;
}

//----------------------------------------------------------------------------
void vtkFeature::SetLayer(vtkFeatureLayer* layer)
{
  //set our weak pointer to look at the layer passed in.
  if (layer)
  { //don't allow null layer
    this->Layer = layer;
  }
}

//----------------------------------------------------------------------------
void vtkFeature::PrintSelf(std::ostream& os, vtkIndent indent)
{
  Superclass::PrintSelf(os, indent);
}

//----------------------------------------------------------------------------
bool vtkFeature::IsVisible()
{
  // Visible only if both layer and feature visibility flags are set
  return this->Layer->GetVisibility() && this->Visibility;
}

//----------------------------------------------------------------------------
vtkProp* vtkFeature::PickProp()
{
  return nullptr;
}

//----------------------------------------------------------------------------
void vtkFeature::PickItems(vtkRenderer* renderer,
  int displayCoords[4],
  vtkGeoMapSelection* selection)
{
  (void) renderer;
  (void) displayCoords;
  (void) selection;
  vtkWarningMacro("vtkFeature::PickItems() called -- should be overridden in "
    << this->GetClassName());
}