private void checkEnvelope() {
if (distance < 0.0) return;
double padding = distance * MAX_ENV_DIFF_FRAC;
if (padding == 0.0) padding = 0.001;
Envelope expectedEnv = new Envelope(input.getEnvelopeInternal());
expectedEnv.expandBy(distance);
Envelope bufEnv = new Envelope(result.getEnvelopeInternal());
bufEnv.expandBy(padding);
if (!bufEnv.contains(expectedEnv)) {
isValid = false;
errorMsg = "Buffer envelope is incorrect";
errorIndicator = input.getFactory().toGeometry(bufEnv);
}
report("Envelope");
}
/**
* Finds all {@link PreparedGeometry}s which might interact with a query {@link Geometry}.
*
* @param g the geometry to query by
* @return a list of candidate PreparedGeometrys
*/
public List query(Geometry g) {
return index.query(g.getEnvelopeInternal());
}
/**
* Inserts a collection of Geometrys into the index.
*
* @param geoms a collection of Geometrys to insert
*/
public void insert(Collection geoms) {
for (Iterator i = geoms.iterator(); i.hasNext(); ) {
Geometry geom = (Geometry) i.next();
index.insert(geom.getEnvelopeInternal(), PreparedGeometryFactory.prepare(geom));
}
}