Disabled external gits

Alpano/tests/ch/epfl/alpano/dem/TestWavyDEM.java

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+package ch.epfl.alpano.dem;
+
+import static java.awt.image.BufferedImage.TYPE_INT_RGB;
+import static java.lang.Math.*;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+import ch.epfl.alpano.*;
+
+import javax.imageio.ImageIO;
+
+public final class TestWavyDEM {
+  @SuppressWarnings("resource")
+  public static void main(String[] args)
+    throws IOException {
+
+    DiscreteElevationModel dDEM1 =
+      new WavyDEM(new Interval2D(new Interval1D(0, 50),
+                                 new Interval1D(0, 100)));
+    DiscreteElevationModel dDEM2 =
+      new WavyDEM(new Interval2D(new Interval1D(50, 100),
+                                 new Interval1D(0, 100)));
+    DiscreteElevationModel dDEM =
+      dDEM1.union(dDEM2);
+    ContinuousElevationModel cDEM =
+      new ContinuousElevationModel(dDEM);
+
+    int size = 300;
+    double scale = (100d / 3600d) / (size - 1);
+    BufferedImage elI =
+      new BufferedImage(size, size, TYPE_INT_RGB);
+    BufferedImage slI =
+      new BufferedImage(size, size, TYPE_INT_RGB);
+    for (int x = 0; x < size; ++x) {
+      for (int y = 0; y < size; ++y) {
+        GeoPoint p = new GeoPoint(toRadians(x * scale),
+                                  toRadians(y * scale));
+        double el = cDEM.elevationAt(p);
+        elI.setRGB(x, y, gray(el / 1000d));
+
+        double sl = cDEM.slopeAt(p);
+        slI.setRGB(x, y, gray(sl / (PI / 2d)));
+      }
+    }
+
+    ImageIO.write(elI, "png", new File("tests/ch/epfl/alpano/dem/elevation.png"));
+    ImageIO.write(slI, "png", new File("tests/ch/epfl/alpano/dem/slope.png"));
+  }
+
+  private static int gray(double v) {
+    double clampedV = max(0, min(v, 1));
+    int gray = (int) (255.9999 * clampedV);
+    return (gray << 16) | (gray << 8) | gray;
+  }
+}