Esempio n. 1
0
SpatialDataView* Nitf::NitfImporterShell::createView() const
{
   SpatialDataView* pView = RasterElementImporterShell::createView();
   VERIFYRV(pView != NULL, pView);

   RasterElement* pRaster = getRasterElement();
   VERIFYRV(pRaster != NULL, pView);

   const DynamicObject* pMetadata = pRaster->getMetadata();
   VERIFYRV(pMetadata != NULL, pView);

   const string backgroundColorPath[] = { Nitf::NITF_METADATA, Nitf::FILE_HEADER,
      Nitf::FileHeaderFieldNames::BACKGROUND_COLOR, END_METADATA_NAME };

   const DataVariant& dvBackground = pMetadata->getAttributeByPath(backgroundColorPath);
   if (dvBackground.isValid() == true)
   {
      ColorType ctBackground;
      VERIFY(dvBackground.getValue(ctBackground) == true);
      pView->setBackgroundColor(ctBackground);
      pView->refresh();
   }

   return pView;
}
Esempio n. 2
0
void ChippingWindow::createView()
{
   if (mpChippingWidget == NULL)
   {
      return;
   }

   RasterElement* pRaster = getRasterElement();
   if (pRaster == NULL)
   {
      return;
   }

   // Create the new raster element from the primary element of the source.
   // Note that this does not chip displayed elements if they differ from the primary element.
   // This causes a special case below where the stretch values are being applied to the chipped layer.
   RasterElement* pRasterChip = pRaster->createChip(pRaster->getParent(), "_chip",
      mpChippingWidget->getChipRows(), mpChippingWidget->getChipColumns(), mpChippingWidget->getChipBands());
   if (pRasterChip == NULL)
   {
      QMessageBox::critical(this, windowTitle(), "Unable to create a new cube!");
      return;
   }

   const RasterDataDescriptor* pDescriptor =
      dynamic_cast<const RasterDataDescriptor*>(pRasterChip->getDataDescriptor());
   VERIFYNRV(pDescriptor != NULL);

   // Create a view for the new chip
   SpatialDataWindow* pWindow = dynamic_cast<SpatialDataWindow*>(
      Service<DesktopServices>()->createWindow(pRasterChip->getName(), SPATIAL_DATA_WINDOW));
   if (pWindow == NULL)
   {
      return;
   }

   SpatialDataView* pView = pWindow->getSpatialDataView();
   if (pView == NULL)
   {
      Service<DesktopServices>()->deleteWindow(pWindow);
      return;
   }

   UndoLock lock(pView);
   if (pView->setPrimaryRasterElement(pRasterChip) == false)
   {
      Service<DesktopServices>()->deleteWindow(pWindow);
      return;
   }

   // RasterLayerImp is needed for the call to setCurrentStretchAsOriginalStretch().
   RasterLayerImp* pLayer = dynamic_cast<RasterLayerImp*>(pView->createLayer(RASTER, pRasterChip));
   if (pLayer == NULL)
   {
      Service<DesktopServices>()->deleteWindow(pWindow);
      return;
   }

   string origName = pRaster->getName();

   SpatialDataWindow* pOrigWindow = dynamic_cast<SpatialDataWindow*>(
      Service<DesktopServices>()->getWindow(origName, SPATIAL_DATA_WINDOW));
   if (pOrigWindow != NULL)
   {
      SpatialDataView* pOrigView = pOrigWindow->getSpatialDataView();
      if (pOrigView != NULL)
      {
         LayerList* pLayerList = pOrigView->getLayerList();
         if (pLayerList != NULL)
         {
            RasterLayer* pOrigLayer = static_cast<RasterLayer*>(pLayerList->getLayer(RASTER, pRaster));
            if (pOrigLayer != NULL)
            {
               // Set the stretch type first so that stretch values are interpreted correctly.
               pLayer->setStretchType(GRAYSCALE_MODE, pOrigLayer->getStretchType(GRAYSCALE_MODE));
               pLayer->setStretchType(RGB_MODE, pOrigLayer->getStretchType(RGB_MODE));
               pLayer->setDisplayMode(pOrigLayer->getDisplayMode());

               // Set the properties of the cube layer in the new view.
               // For each channel, display the first band if the previously displayed band was chipped.
               vector<RasterChannelType> channels = StringUtilities::getAllEnumValues<RasterChannelType>();
               for (vector<RasterChannelType>::const_iterator iter = channels.begin(); iter != channels.end(); ++iter)
               {
                  bool bandCopied = true;
                  DimensionDescriptor newBand;
                  DimensionDescriptor oldBand = pOrigLayer->getDisplayedBand(*iter);
                  if (oldBand.isOriginalNumberValid() == true)
                  {
                     newBand = pDescriptor->getOriginalBand(oldBand.getOriginalNumber());
                  }

                  if (newBand.isValid() == false)
                  {
                     bandCopied = false;
                     newBand = pDescriptor->getBands().front();
                  }

                  // No need to explicitly set the RasterElement here since the new view only has one RasterElement.
                  pLayer->setDisplayedBand(*iter, newBand);

                  // Use the default stretch properties if the displayed band was removed from the view or
                  // if the non-primary raster element was displayed. Otherwise, copy the stretch properties.
                  if (bandCopied && pRaster == pOrigLayer->getDisplayedRasterElement(*iter))
                  {
                     // Set the stretch units first so that stretch values are interpreted correctly.
                     pLayer->setStretchUnits(*iter, pOrigLayer->getStretchUnits(*iter));

                     double lower;
                     double upper;
                     pOrigLayer->getStretchValues(*iter, lower, upper);
                     pLayer->setStretchValues(*iter, lower, upper);
                  }
               }

               pLayer->setCurrentStretchAsOriginalStretch();
               pView->refresh();
            }
         }
      }
   }

   // Create a GCP layer
   if (pRaster->isGeoreferenced() == true)
   {
      const vector<DimensionDescriptor>& rows = mpChippingWidget->getChipRows();
      const vector<DimensionDescriptor>& columns = mpChippingWidget->getChipColumns();
      if ((rows.empty() == false) && (columns.empty() == false))
      {
         // Get the geocoordinates at the chip corners
         VERIFYNRV(rows.front().isActiveNumberValid() == true);
         VERIFYNRV(rows.back().isActiveNumberValid() == true);
         VERIFYNRV(columns.front().isActiveNumberValid() == true);
         VERIFYNRV(columns.back().isActiveNumberValid() == true);

         unsigned int startRow = rows.front().getActiveNumber();
         unsigned int endRow = rows.back().getActiveNumber();
         unsigned int startCol = columns.front().getActiveNumber();
         unsigned int endCol = columns.back().getActiveNumber();

         GcpPoint ulPoint;
         ulPoint.mPixel = LocationType(startCol, startRow);
         ulPoint.mCoordinate = pRaster->convertPixelToGeocoord(ulPoint.mPixel);

         GcpPoint urPoint;
         urPoint.mPixel = LocationType(endCol, startRow);
         urPoint.mCoordinate = pRaster->convertPixelToGeocoord(urPoint.mPixel);

         GcpPoint llPoint;
         llPoint.mPixel = LocationType(startCol, endRow);
         llPoint.mCoordinate = pRaster->convertPixelToGeocoord(llPoint.mPixel);

         GcpPoint lrPoint;
         lrPoint.mPixel = LocationType(endCol, endRow);
         lrPoint.mCoordinate = pRaster->convertPixelToGeocoord(lrPoint.mPixel);

         GcpPoint centerPoint;
         centerPoint.mPixel = LocationType((startCol + endCol) / 2, (startRow + endRow) / 2);
         centerPoint.mCoordinate = pRaster->convertPixelToGeocoord(centerPoint.mPixel);

         // Reset the coordinates to be in active numbers relative to the chip
         const vector<DimensionDescriptor>& chipRows = pDescriptor->getRows();
         const vector<DimensionDescriptor>& chipColumns = pDescriptor->getColumns();

         VERIFYNRV(chipRows.front().isActiveNumberValid() == true);
         VERIFYNRV(chipRows.back().isActiveNumberValid() == true);
         VERIFYNRV(chipColumns.front().isActiveNumberValid() == true);
         VERIFYNRV(chipColumns.back().isActiveNumberValid() == true);

         unsigned int chipStartRow = chipRows.front().getActiveNumber();
         unsigned int chipEndRow = chipRows.back().getActiveNumber();
         unsigned int chipStartCol = chipColumns.front().getActiveNumber();
         unsigned int chipEndCol = chipColumns.back().getActiveNumber();
         ulPoint.mPixel = LocationType(chipStartCol, chipStartRow);
         urPoint.mPixel = LocationType(chipEndCol, chipStartRow);
         llPoint.mPixel = LocationType(chipStartCol, chipEndRow);
         lrPoint.mPixel = LocationType(chipEndCol, chipEndRow);
         centerPoint.mPixel = LocationType((chipStartCol + chipEndCol) / 2, (chipStartRow + chipEndRow) / 2);

         // Create the GCP list
         Service<ModelServices> pModel;

         GcpList* pGcpList = static_cast<GcpList*>(pModel->createElement("Corner Coordinates",
            TypeConverter::toString<GcpList>(), pRasterChip));
         if (pGcpList != NULL)
         {
            list<GcpPoint> gcps;
            gcps.push_back(ulPoint);
            gcps.push_back(urPoint);
            gcps.push_back(llPoint);
            gcps.push_back(lrPoint);
            gcps.push_back(centerPoint);

            pGcpList->addPoints(gcps);

            // Create the layer
            if (pView->createLayer(GCP_LAYER, pGcpList) == NULL)
            {
               QMessageBox::warning(this, windowTitle(), "Could not create a GCP layer.");
            }
         }
         else
         {
            QMessageBox::warning(this, windowTitle(), "Could not create a GCP list.");
         }
      }
   }
}