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;
}
private static HashMap<String, Double> checkVisibility(
String spatialcontext, GeoFeature feature, Database db, String viewpoint)
throws SQLException, ClassNotFoundException, IOException {
double tolerance;
if (viewpoint == null || viewpoint.isEmpty()) {
tolerance = POINTCLOUD_TOLERANCE;
} else {
ResultSet startViewpoint = db.getViewpoint(spatialcontext, viewpoint);
if (startViewpoint.next()) {
String filename =
Config.getProperty("pointcloudpath") + startViewpoint.getString("filename");
Transformation t = new Transformation(startViewpoint.getString("pointcloud_trans"));
t.transform(new Transformation(startViewpoint.getString("viewpoint_trans")));
feature.transform(t.inverse());
tolerance = feature.getPointTol(filename);
feature.transform(t);
if (tolerance < POINTCLOUD_TOLERANCE) {
tolerance = POINTCLOUD_TOLERANCE;
}
} else {
tolerance = POINTCLOUD_TOLERANCE;
}
}
// result.last();
// int size = result.getRow();
// result.beforeFirst();
ResultSet result = db.getViewpoints(spatialcontext);
HashMap<String, Double> visibility = new HashMap<>();
while (result.next()) {
// user.setStatus(result.getRow() * 90 / size);
String filename = Config.getProperty("pointcloudpath") + result.getString("filename");
Transformation t = new Transformation(result.getString("pointcloud_trans"));
t.transform(new Transformation(result.getString("viewpoint_trans")));
feature.transform(t.inverse());
visibility.put(result.getString("name"), feature.visible(tolerance, filename));
feature.transform(t);
}
return visibility;
}
