private static Point[] anglesToFeature(
String spatialcontext, String viewpoint, Angle[] angles, Database db)
throws ClientException, SQLException, Exception {
ResultSet result = db.getViewpoint(spatialcontext, viewpoint);
if (!result.next()) {
throw new ClientException(
"viewpoint " + viewpoint + " in spatialcontext " + spatialcontext + " does not exist",
404);
}
String filename = Config.getProperty("pointcloudpath") + result.getString("filename");
Transformation ptrans = new Transformation(result.getString("pointcloud_trans"));
Transformation vtrans = new Transformation(result.getString("viewpoint_trans"));
if (result.next()) {
Config.warn(
"more than one viewpoint in spatialcontext "
+ spatialcontext
+ " with name "
+ viewpoint
+ " in the database");
}
Point[] points = null;
try (Pointcloud pc = new Pointcloud(filename, ptrans)) {
points = pc.getPoints(angles);
pc.close();
} catch (Exception e) {
throw e;
}
for (Point point : points) {
point.transform(vtrans);
}
return points;
}
private static double getPrismPoint(
String spatialcontext, String viewpoint, Database db, InputXML input, Point[] points)
throws SQLException, ClientException, Exception {
double prismPoint;
if (input.getType().equals("PRISM")) {
ResultSet result = db.getViewpoint(spatialcontext, viewpoint);
if (!result.next()) {
throw new ClientException(
"viewpoint " + viewpoint + " in spatialcontext " + spatialcontext + " does not exist",
404);
}
String filename = Config.getProperty("pointcloudpath") + result.getString("filename");
Transformation trans = new Transformation(result.getString("pointcloud_trans"));
trans.transform(new Transformation(result.getString("viewpoint_trans")));
Transformation inv = trans.inverse();
if (result.next()) {
Config.warn(
"more than one viewpoint in spatialcontext "
+ spatialcontext
+ " with name "
+ viewpoint
+ " in the database");
}
PlanarPolygon tmp = new PlanarPolygon(input.getAngles(), points);
tmp.transform(inv);
prismPoint = PTGInteraction.getPrismaPoint(tmp, filename);
tmp.transform(trans);
} else {
prismPoint = 0;
}
return prismPoint;
}