public void testExecuteBuffer() throws Exception {
org.geotools.process.Process buffer = factory.create(new NameImpl("JTS", "Buffer"));
// try less than the required params
Map<String, Object> inputs = new HashMap<String, Object>();
try {
buffer.execute(inputs, null);
fail("What!!! Should have failed big time!");
} catch (ProcessException e) {
// fine
}
// try out only the required params
Geometry geom = new WKTReader().read("POINT(0 0)");
inputs.put("geom", geom);
inputs.put("distance", 1d);
Map<String, Object> result = buffer.execute(inputs, null);
assertEquals(1, result.size());
Geometry buffered = (Geometry) result.get("result");
assertNotNull(buffered);
assertTrue(buffered.equals(geom.buffer(1d)));
// pass in all params
inputs.put("quadrantSegments", 12);
inputs.put("capStyle", GeometryFunctions.BufferCapStyle.Square);
result = buffer.execute(inputs, null);
assertEquals(1, result.size());
buffered = (Geometry) result.get("result");
assertNotNull(buffered);
assertTrue(buffered.equals(geom.buffer(1d, 12, BufferParameters.CAP_SQUARE)));
}
public void testExecuteUnion() throws Exception {
org.geotools.process.Process union = factory.create(new NameImpl("JTS", "union"));
// try less than the required params
Map<String, Object> inputs = new HashMap<String, Object>();
try {
union.execute(inputs, null);
fail("What!!! Should have failed big time!");
} catch (ProcessException e) {
// fine
}
// try again with less
Geometry geom1 = new WKTReader().read("POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))");
Geometry geom2 = new WKTReader().read("POLYGON((0 1, 0 2, 1 2, 1 1, 0 1))");
List<Geometry> geometries = new ArrayList<Geometry>();
geometries.add(geom1);
inputs.put("geom", geometries);
try {
union.execute(inputs, null);
fail("What!!! Should have failed big time!");
} catch (ProcessException e) {
// fine
}
// now with just enough
geometries.add(geom2);
Map<String, Object> result = union.execute(inputs, null);
assertEquals(1, result.size());
Geometry united = (Geometry) result.get("result");
assertNotNull(united);
assertTrue(united.equals(geom1.union(geom2)));
}
public void testExecuteHull() throws Exception {
NameImpl hullName = new NameImpl("JTS", "convexHull");
org.geotools.process.Process hull = factory.create(hullName);
Map<String, Object> inputs = new HashMap<String, Object>();
Geometry geom = new WKTReader().read("LINESTRING(0 0, 0 1, 1 1)");
inputs.put("geom", geom);
Map<String, Object> output = hull.execute(inputs, null);
assertEquals(1, output.size());
// there is no output annotation, check there is consistency between what is declared
// and what is returned
Geometry result =
(Geometry) output.get(factory.getResultInfo(hullName, null).keySet().iterator().next());
assertTrue(result.equals(geom.convexHull()));
}
