epfl-archive/Alpano/tests/ch/epfl/alpano/DrawPanoramaNew.java
2022-04-07 18:43:21 +02:00

66 lines
2.4 KiB
Java

package ch.epfl.alpano;
import java.io.File;
import javax.imageio.ImageIO;
import ch.epfl.alpano.dem.ContinuousElevationModel;
import ch.epfl.alpano.dem.DiscreteElevationModel;
import ch.epfl.alpano.dem.HgtDiscreteElevationModel;
import ch.epfl.alpano.gui.ChannelPainter;
import ch.epfl.alpano.gui.ImagePainter;
import ch.epfl.alpano.gui.PanoramaRenderer;
import javafx.embed.swing.SwingFXUtils;
import javafx.scene.image.Image;
import static java.lang.Math.toRadians;
final class DrawPanoramaNew {
final static File HGT_FILE = new File("HGT"+File.separatorChar+"N46E007.hgt");
final static int IMAGE_WIDTH = 2_500;
final static int IMAGE_HEIGHT = 800;
final static double ORIGIN_LON = toRadians(7.65);
final static double ORIGIN_LAT = toRadians(46.73);
final static int ELEVATION = 600;
final static double CENTER_AZIMUTH = toRadians(180);
final static double HORIZONTAL_FOV = toRadians(110);
final static int MAX_DISTANCE = 100_000;
final static PanoramaParameters PARAMS =
new PanoramaParameters(new GeoPoint(ORIGIN_LON,
ORIGIN_LAT),
ELEVATION,
CENTER_AZIMUTH,
HORIZONTAL_FOV,
MAX_DISTANCE,
IMAGE_WIDTH,
IMAGE_HEIGHT);
public static void main(String[] as) throws Exception {
try (DiscreteElevationModel dDEM =
new HgtDiscreteElevationModel(HGT_FILE)) {
ContinuousElevationModel cDEM =
new ContinuousElevationModel(dDEM);
Panorama p = new PanoramaComputer(cDEM)
.computePanorama(PARAMS);
ChannelPainter d = p::distanceAt;
ChannelPainter sl = p::slopeAt;
ChannelPainter h = d.div(100000).cycling().mul(360);
ChannelPainter s = d.div(200000).clamped().inverted();
ChannelPainter b = sl.mul(2).div(Math.PI).inverted().mul(0.7).add(0.3);
ChannelPainter o =
d.map(dist -> dist == Float.POSITIVE_INFINITY ? 0 : 1);
ImagePainter l = ImagePainter.hsb(h, s, b, o);
Image i = PanoramaRenderer.renderPanorama(p, l);
ImageIO.write(SwingFXUtils.fromFXImage(i, null),
"png",
new File("tests/ch/epfl/alpano/niesen-profile.png"));
}
}
}