Examples of org.geotools.coverage.grid.io.imageio.geotiff.PixelScale

Package org.geotools.coverage.grid.io.imageio.geotiff

Examples of org.geotools.coverage.grid.io.imageio.geotiff.PixelScale

org.geotools.coverage.grid.io.imageio.geotiff.PixelScale
This class is a placeholder for defining exact affine transformations between raster and model space.
Quoting the geotiff spec:
```
 ModelPixelScaleTag: Tag = 33550 Type = DOUBLE (IEEE Double precision) N = 3 Owner: SoftDesk 
```
This tag may be used to specify the size of raster pixel spacing in the model space units, when the raster space can be embedded in the model space coordinate system without rotation, and consists of the following 3 values:
```
 ModelPixelScaleTag = (ScaleX, ScaleY, ScaleZ) 
```
where ScaleX and ScaleY give the horizontal and vertical spacing of raster pixels. The ScaleZ is primarily used to map the pixel value of a digital elevation model into the correct Z-scale, and so for most other purposes this value should be zero (since most model spaces are 2-D, with Z=0).
A single tiepoint in the ModelTiepointTag, together with this tag, completely determine the relationship between raster and model space @author Simone Giannecchini, GeoSolutions @since 2.3 @source $URL$

      final int keyRevisionMajor, final int keyRevisionMinor) {
    geoTiffEntries = new KeySortedList<Integer, GeoKeyEntry>();
    geoTiffDoubleParams = new double[GeoTiffConstants.ARRAY_ELEM_INCREMENT];
    geoTiffAsciiParams = new StringBuffer();
    modelTiePoints = new TiePoint[GeoTiffConstants.ARRAY_ELEM_INCREMENT];
    modelPixelScale = new PixelScale();
    modelTransformation = new double[16];
    addGeoKeyEntry(geoTIFFVersion, keyRevisionMajor, 1, keyRevisionMinor);
  }

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            if(LOGGER.isLoggable(Level.FINE))
                LOGGER.log(Level.FINE,"Unable to find the model pixel scale tag");
            return null;
        }
    
        PixelScale retVal = new PixelScale();
        for (int i = 0; i < pixScales.length; i++)
            switch (i) {
            case 0:
                retVal.setScaleX(pixScales[i]);
                break;
            case 1:
                retVal.setScaleY(pixScales[i]);
                break;
            case 2:
                retVal.setScaleZ(pixScales[i]);
                break;
            }
        return retVal;
    
    }

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    message.println(super.getMessage());


    // do the model pixel scale tags
    message.print("ModelPixelScaleTag: ");
    if (metadata != null) {
      final PixelScale modelPixelScales = metadata.getModelPixelScales();
      if (modelPixelScales != null) {
        message.println("[" + modelPixelScales.getScaleX() + ","
            + modelPixelScales.getScaleY() + ","
            + modelPixelScales.getScaleZ() + "]");
      } else {
        message.println("NOT AVAILABLE");
      }
    } else
      message.println("NOT AVAILABLE");

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      //
      // we use tie points and pixel scales to build the grid to world
      //
      // model space
      final TiePoint[] tiePoints = metadata.getModelTiePoints();
      final PixelScale pixScales = metadata.getModelPixelScales();






      // here is the matrix we need to build
      final GeneralMatrix gm = new GeneralMatrix(3);
      final double scaleRaster2ModelLongitude = pixScales.getScaleX();
      final double scaleRaster2ModelLatitude = -pixScales.getScaleY();
      // "raster" space 
      final double tiePointColumn = tiePoints[0].getValueAt(0)
          + ((forceToCellCenter || rasterType == GeoTiffConstants.RasterPixelIsArea) ? - 0.5: 0); 
      
      // coordinates

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Related Classes of org.geotools.coverage.grid.io.imageio.geotiff.PixelScale

org.geotools.coverage.grid.imageio.geotiff.metadata.GeoTiffIIOMetadataEncoder

org.geotools.coverage.grid.imageio.geotiff.metadata.GeoTiffMetadata2CRSAdapter

org.geotools.coverage.grid.imageio.geotiff.metadata.GeoTiffMetadataUtilities

org.geotools.gce.geotiff.GeoTiffException

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