Class GridRasterWrapper

java.lang.Object
org.openjump.core.rasterimage.sextante.rasterWrappers.GridRasterWrapper
public class GridRasterWrapper extends Object
Wrapper to convert org.openjump.core.rasterimage.sextante.OpenJUMPSextanteRasterLayer to 2D Array (Matrix) or to a 1D Array.
Author:
Giuseppe Aruta [2018-05-18]

  • Constructor Details

    • GridRasterWrapper

      public GridRasterWrapper()

  • Method Details

    • rasterToMatrix

      public static double[][] rasterToMatrix(OpenJUMPSextanteRasterLayer rstLayer, int band)
      Convert a OpenJUMPSextanteRasterLayer to a 2D Array as double
      Parameters:
      rstLayer - OpenJUMP Sextante Raster Layer
      band - (integer)
      Returns:
      the matrix representing this Raster as a 2-dimensional double array

    • rasterToEmptyMatrix

      public static double[][] rasterToEmptyMatrix(OpenJUMPSextanteRasterLayer rstLayer, int band)
      create an empty 2D Array from a OpenJUMPSextanteRasterLayer
      Parameters:
      rstLayer - OpenJUMP Sextante Raster Layer
      band - (integer)
      Returns:
      a 2-dimensional double array sized after this raster and filled with nodata values

    • rasterToMatrix

      public static double[][] rasterToMatrix(OpenJUMPSextanteRasterLayer rstLayer)
      Convert the first band of OpenJUMPSextanteRasterLayer to a 2D Array as double Useful for single banded raster
      Parameters:
      rstLayer - OpenJUMP Sextante Raster Layer
      Returns:
      the matrix representing this OpenJUMPSextanteRasterLayer as a 2-dimensional double array

    • rasterToArray

      public static double[] rasterToArray(OpenJUMPSextanteRasterLayer rstLayer, int band)
      Convert the first band of OpenJUMPSextanteRasterLayer to a 1D Array as double
      Parameters:
      rstLayer - OpenJUMPSextanteRasterLayer to convert to a double array
      band - the Raster band to export
      Returns:
      a 1-dimensional double array containing all the OpenJUMPSextanteRasterLayer values contained in a band

    • rasterToArray

      public static double[] rasterToArray(OpenJUMPSextanteRasterLayer rstLayer)
      Convert the first band of OpenJUMPSextanteRasterLayer to a 1D Array as double Useful for single banded raster
      Parameters:
      rstLayer - OpenJUMP Sextante Raster Layer
      Returns:
      a 1-dimensional double array containing all OpenJUMPSextanteRasterLayer values contained in band 0

    • rasterToArray

      public static double[] rasterToArray(OpenJUMPSextanteRasterLayer rstLayer, int band, double min, double max)
      Convert a band of OpenJUMPSextanteRasterLayer to a 1D Array as double. Limit the array to min/max values
      Parameters:
      rstLayer - OpenJUMP Sextante Raster Layer
      band - the Raster band to analyze
      min - minimum value to copy
      max - maximum value to copy
      Returns:
      a 1-dimensional double array containing all the Raster values for this band which are strictly higher than min and lower than max

    • rasterToArray

      public static double[] rasterToArray(OpenJUMPSextanteRasterLayer rstLayer, double min, double max)
      Convert the first band of of OpenJUMPSextanteRasterLayer to a 1D Array as double. Limit the array to min/max values
      Parameters:
      rstLayer - OpenJUMP Sextante Raster Layer
      min - minimum value to copy
      max - maximum value to copy
      Returns:
      a 1-dimensional double array containing all the Raster values for band 0 which are strictly higher than min and lower than max

    • matrixToRaster

      public static Raster matrixToRaster(double[][] matrix, SampleModel model)
      Convert a 2DArray (Matrix) as double to java.awt.image.Raster, to band 0
      Parameters:
      matrix - 2D Array as double
      model - Sample Model
      Returns:
      java.awt.image.Raster

    • matrixToRaster

      public static Raster matrixToRaster(double[][] matrix, SampleModel model, int band)
      Convert a 2DArray (Matrix) as double to java.awt.image.Raster, defining the band number
      Parameters:
      matrix - 2D Array as double
      model - Sample Model
      band - number
      Returns:
      java.awt.image.Raster

    • rasterToMatrix

      public static double[][] rasterToMatrix(Raster raster)
      Convert a java.awt.image.Raster to 2DArray (Matrix) as double
      Parameters:
      raster - input raster
      Returns:
      2DArray (Matrix) as double[][]

    • matrixToRaster

      public static WritableRaster matrixToRaster(double[][] matrix)
      Convert a double 2DArray (matrix) to java.awt.image.WritableRaster (single band)
      Parameters:
      matrix - 2D double Array
      Returns:
      WritableRaster