How to use

getValueAt

method

in

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

for (int i = 0; i < (numTiePoints); i++) {
  message.print("TP #" + i + ": ");
  message.print("[" + modelTiePoints[i].getValueAt(0));
  message.print("," + modelTiePoints[i].getValueAt(1));
  message.print("," + modelTiePoints[i].getValueAt(2));
  message.print("] -> [" + modelTiePoints[i].getValueAt(3));
  message.print("," + modelTiePoints[i].getValueAt(4));
  message.println("," + modelTiePoints[i].getValueAt(5) + "]");

    tiePoints[0].getValueAt(0)
        + (rasterType == GeoTiffConstants.RasterPixelIsArea ? -0.5 : 0);
    tiePoints[0].getValueAt(1)
        + (rasterType == GeoTiffConstants.RasterPixelIsArea ? -0.5 : 0);
    0,
    2,
    tiePoints[0].getValueAt(3) - (scaleRaster2ModelLongitude * tiePointColumn));
gm.setElement(
    1, 2, tiePoints[0].getValueAt(4) - (scaleRaster2ModelLatitude * tiePointRow));

for (int i = 0; i < (numTiePoints); i++) {
  message.print("TP #" + i + ": ");
  message.print("[" + modelTiePoints[i].getValueAt(0));
  message.print("," + modelTiePoints[i].getValueAt(1));
  message.print("," + modelTiePoints[i].getValueAt(2));
  message.print("] -> [" + modelTiePoints[i].getValueAt(3));
  message.print("," + modelTiePoints[i].getValueAt(4));
  message
      .println("," + modelTiePoints[i].getValueAt(5)
          + "]");

private void initTiePointGeoCoding(Product product) {
  TiePoint[] tiePoints = imageMetadata.getTiePoints();
  if (tiePoints != null && tiePoints.length == 4) {
    float[] latPoints = new float[tiePoints.length];
    float[] lonPoints = new float[tiePoints.length];
    for (int i = 0; i < tiePoints.length; i++) {
      latPoints[(i != 2 ? (i != 3 ? i : 2) : 3)] = (float) tiePoints[i].getValueAt(4);
      lonPoints[(i != 2 ? (i != 3 ? i : 2) : 3)] = (float) tiePoints[i].getValueAt(3);
    }
    TiePointGrid latGrid = createTiePointGrid("latitude", 2, 2, 0, 0, metadata.getRasterWidth(), metadata.getRasterHeight(), latPoints);
    product.addTiePointGrid(latGrid);
    TiePointGrid lonGrid = createTiePointGrid("longitude", 2, 2, 0, 0, metadata.getRasterWidth(), metadata.getRasterHeight(), lonPoints);
    product.addTiePointGrid(lonGrid);
    GeoCoding geoCoding = new TiePointGeoCoding(latGrid, lonGrid);
    product.setSceneGeoCoding(geoCoding);
  }
}

final double scaleRaster2ModelLatitude = -pixScales.getScaleY();
final double tiePointColumn = tiePoints[0].getValueAt(0) + (rasterType == GeoTiffConstants.RasterPixelIsPoint ? 0.5 : 0);
final double tiePointRow = tiePoints[0].getValueAt(1) + (rasterType == GeoTiffConstants.RasterPixelIsPoint ? 0.5 : 0);
gm.setElement(1, 0, 0);
gm.setElement(0, 2, tiePoints[0].getValueAt(3) - (scaleRaster2ModelLongitude * tiePointColumn));
gm.setElement(1, 2, tiePoints[0].getValueAt(4) - (scaleRaster2ModelLatitude * tiePointRow));

final double scaleRaster2ModelLatitude = -pixScales.getScaleY();
final double tiePointColumn = tiePoints[0].getValueAt(0) + (rasterType == GeoTiffConstants.RasterPixelIsPoint ? 0.5 : 0);
final double tiePointRow = tiePoints[0].getValueAt(1) + (rasterType == GeoTiffConstants.RasterPixelIsPoint ? 0.5 : 0);
gm.setElement(1, 0, 0);
gm.setElement(0, 2, tiePoints[0].getValueAt(3) - (scaleRaster2ModelLongitude * tiePointColumn));
gm.setElement(1, 2, tiePoints[0].getValueAt(4) - (scaleRaster2ModelLatitude * tiePointRow));

final double scaleRaster2ModelLatitude = -pixScales.getScaleY();
final double tiePointColumn = tiePoints[0].getValueAt(0)
    + ((forceToCellCenter || rasterType == GeoTiffConstants.RasterPixelIsArea) ? - 0.5: 0); 
final double tiePointRow = tiePoints[0].getValueAt(1)
    + ((forceToCellCenter || rasterType == GeoTiffConstants.RasterPixelIsArea) ? - 0.5: 0);
gm.setElement(1, 0, 0);
gm.setElement(0, 2, tiePoints[0].getValueAt(3)
    - (scaleRaster2ModelLongitude * tiePointColumn));
gm.setElement(1, 2, tiePoints[0].getValueAt(4)
    - (scaleRaster2ModelLatitude * tiePointRow));