org.hortonmachine.gears.utils.PrintUtilities Maven / Gradle / Ivy
/*
* This file is part of HortonMachine (http://www.hortonmachine.org)
* (C) HydroloGIS - www.hydrologis.com
*
* The HortonMachine is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package org.hortonmachine.gears.utils;
import java.awt.image.Raster;
import java.awt.image.RenderedImage;
import java.io.PrintStream;
import javax.media.jai.iterator.RandomIter;
import javax.media.jai.iterator.RandomIterFactory;
import org.geotools.coverage.grid.GridCoverage2D;
import org.geotools.geometry.Envelope2D;
import org.hortonmachine.gears.utils.coverage.CoverageUtilities;
import org.hortonmachine.gears.utils.geometry.GeometryUtilities;
import com.vividsolutions.jts.geom.Envelope;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryFactory;
/**
* Utility class to print data out.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public class PrintUtilities {
private static String separator = " ";
private static PrintStream printer = System.out;
/**
* Print data of a {@link GridCoverage2D}.
*
* @param coverage
* the coverage.
*/
public static void printCoverageData(GridCoverage2D coverage) {
RenderedImage renderedImage = coverage.getRenderedImage();
RandomIter renderedImageIterator = RandomIterFactory.create(renderedImage, null);
int[] colsRows = CoverageUtilities.getRegionColsRows(coverage);
for (int r = 0; r < colsRows[1]; r++) {
for (int c = 0; c < colsRows[0]; c++) {
printer.print(renderedImageIterator.getSampleDouble(c, r, 0));
printer.print(separator);
}
printer.println();
}
}
/**
* Print data of a {@link GridCoverage2D} as java matrix definition.
*
* @param coverage
* the coverage.
*/
public static void printCoverageDataAsMatrix(GridCoverage2D coverage) {
printer.println("double[][] matrix = new double[][]{//");
RenderedImage renderedImage = coverage.getRenderedImage();
RandomIter renderedImageIterator = RandomIterFactory.create(renderedImage, null);
int[] colsRows = CoverageUtilities.getRegionColsRows(coverage);
for (int r = 0; r < colsRows[1]; r++) {
if (r == 0) {
printer.print("/* */{");
} else {
printer.print("{");
}
for (int c = 0; c < colsRows[0]; c++) {
printer.print(renderedImageIterator.getSampleDouble(c, r, 0));
if (c < colsRows[0] - 1) {
printer.print(", ");
}
}
if (r < colsRows[1] - 1) {
printer.println("}, //");
} else {
printer.println("} //");
}
}
printer.println("};");
renderedImageIterator.done();
}
/**
* Print data from a {@link RenderedImage}.
*
* @param renderedImage
* the image.
*/
public static void printRenderedImageData(RenderedImage renderedImage) {
RandomIter iter = RandomIterFactory.create(renderedImage, null);
int cols = renderedImage.getWidth();
int rows = renderedImage.getHeight();
int numBands = renderedImage.getSampleModel().getNumBands();
for (int r = 0; r < rows; r++) {
for (int c = 0; c < cols; c++) {
for (int b = 0; b < numBands; b++) {
if (b > 0) {
printer.print("/");
}
printer.print(iter.getSampleDouble(c, r, b));
}
printer.print(separator);
}
printer.println();
}
iter.done();
}
/**
* Print data from a {@link Raster}.
*
* @param raster
* the image.
*/
public static void printWritableRasterData(Raster raster) {
RandomIter iter = RandomIterFactory.create(raster, null);
int cols = raster.getWidth();
int rows = raster.getHeight();
for (int r = 0; r < rows; r++) {
for (int c = 0; c < cols; c++) {
printer.print(iter.getSampleDouble(c, r, 0));
printer.print(separator);
}
printer.println();
}
iter.done();
}
/**
* Print data from a matrix.
*
* @param matrix
* the matrix.
*/
public static void printMatrixData(double[][] matrix) {
int cols = matrix[0].length;
int rows = matrix.length;
for (int r = 0; r < rows; r++) {
for (int c = 0; c < cols; c++) {
printer.print(matrix[r][c]);
printer.print(separator);
}
printer.println();
}
}
/**
* Print the envelope as WKT.
*
* @param env
* the {@link com.vividsolutions.jts.geom.Envelope}.
* @return the WKT string.
*/
public static String envelope2WKT(com.vividsolutions.jts.geom.Envelope env) {
GeometryFactory gf = GeometryUtilities.gf();
Geometry geometry = gf.toGeometry(env);
return geometry.toText();
}
public static com.vividsolutions.jts.geom.Envelope envelope2D2Envelope(Envelope2D envelope2d) {
com.vividsolutions.jts.geom.Envelope jtsEnv = new com.vividsolutions.jts.geom.Envelope(envelope2d.getMinX(),
envelope2d.getMaxX(), envelope2d.getMinY(), envelope2d.getMaxY());
return jtsEnv;
}
public static String toString(GridCoverage2D coverage) {
RegionMap regionMap = CoverageUtilities.getRegionParamsFromGridCoverage(coverage);
StringBuilder sb = new StringBuilder();
sb.append(regionMap.toStringJGT()).append("\n");
Envelope2D envelope2d = coverage.getEnvelope2D();
Envelope jtsEnvelope = envelope2D2Envelope(envelope2d);
String envelope2wkt = envelope2WKT(jtsEnvelope);
sb.append("WKT bounds: \n");
sb.append(envelope2wkt);
return sb.toString();
}
}