@Override
public Pair<LatLonGrid, LatLonGrid> compute(LatLonGrid data0, LatLonGrid data1, File outdir) {
// do an edge filter on the pair of images
LatLonGrid edge0 = edgeFilter.edgeFilter(data0);
LatLonGrid edge1 = edgeFilter.edgeFilter(data1);
if (outdir != null) {
try {
KmlWriter.write(edge0, outdir, "edge0", PngWriter.createCoolToWarmColormap());
KmlWriter.write(edge1, outdir, "edge1", PngWriter.createCoolToWarmColormap());
} catch (Exception e) {
e.printStackTrace();
}
}
return hornSchunk.compute(edge0, edge1, outdir);
}
public static void main(String[] args) throws Exception {
// create output directory
File out = OutputDirectory.getDefault("edgemotion");
// read
File f = new File("data/seviri");
Pair<LatLonGrid, Date>[] grids = SeviriInfraredTemperature.readAll(f);
// do alg
MotionEstimator alg = new EdgeBased();
Pair<LatLonGrid, LatLonGrid> motion = alg.compute(grids[0].first, grids[1].first, out);
// write
SaturateFilter filter = new SaturateFilter(-150, 150);
LatLonGrid u = filter.filter(motion.first);
LatLonGrid v = filter.filter(motion.second);
KmlWriter.write(u, out, "opticflow_u", PngWriter.createCoolToWarmColormap());
KmlWriter.write(v, out, "opticflow_v", PngWriter.createCoolToWarmColormap());
}
