Examples of org.geotools.geometry.GeneralEnvelope.intersect()

Class org.geotools.geometry.GeneralEnvelope

Examples of org.geotools.geometry.GeneralEnvelope.intersect()

org.geotools.geometry.GeneralEnvelope.intersect()
Sets this envelope to the intersection if this envelope with the specified one.
This method assumes that the specified envelope uses the same CRS than this envelope. For performance reason, it will no be verified unless J2SE assertions are enabled. @param envelope the {@code Envelope} to intersect to this envelope. @throws MismatchedDimensionException if the specified envelope doesn't have the expected dimension.

            final CoordinateReferenceSystem nativeCRS = reader.getCoordinateReferenceSystem();
            if(!CRS.equalsIgnoreMetadata(requestCRS, nativeCRS)) {
                requestedEnvelope = CRS.transform(requestedEnvelope, nativeCRS);
            }
            // intersect with the native envelope, we cannot read outside of it
            requestedEnvelope.intersect(reader.getOriginalEnvelope());
            
            // check if we are still reading anything
            if(!requestedEnvelope.isEmpty()) {
                MathTransform crsToGrid = meta.getGrid().getGridToCRS().inverse();
                GeneralEnvelope requestedGrid = CRS.transform(crsToGrid, requestedEnvelope);

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                        .initCause(e);
            }
        }
        
        // just do the intersection since
        envelope.intersect(coverageBounds);
        
        if (envelope.isEmpty()) {
            return null;
        }

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            // layer in native crs
            if (!retVal.intersects(nativeEnvelope, true))
                return null;


            // intersect
            retVal.intersect(nativeEnvelope);
            retVal.setCoordinateReferenceSystem(nativeCRS);
            return retVal;


        } catch (TransformException te) {
            // something bad happened while trying to transform this

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                return null;


            // intersect with the coverage native geographic bbox
            // note that for the moment we got to use general envelope since there is no
            // intersection otherwise
            requestedBBOXInNativeGeographicCRS.intersect(nativeGeoEnvelope);
            requestedBBOXInNativeGeographicCRS.setCoordinateReferenceSystem(nativeGeoCRS);


            // now go back to the coverage native CRS in order to compute an approximate requested
            // resolution
            final GeneralEnvelope approximateRequestedBBox = CRS.transform(

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        final GridCoverage2D croppedGridCoverage;


        // intersect the envelopes
        final GeneralEnvelope intersectionEnvelope = new GeneralEnvelope(destinationEnvelopeInSourceCRS);
        intersectionEnvelope.setCoordinateReferenceSystem(sourceCRS);
        intersectionEnvelope.intersect((GeneralEnvelope) sourceEnvelope);


        // dow we have something to show?
        if (intersectionEnvelope.isEmpty()) {
            throw new WcsException("The Intersection is null. Check the requested BBOX!");
        }

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            // layer in native crs
            if (!retVal.intersects(nativeEnvelope, true))
                return null;


            // intersect
            retVal.intersect(nativeEnvelope);
            retVal.setCoordinateReferenceSystem(nativeCRS);
            return retVal;


        } catch (TransformException te) {
            // something bad happened while trying to transform this

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                return null;


            // intersect with the coverage native geographic bbox
            // note that for the moment we got to use general envelope since there is no
            // intersection otherwise
            requestedBBOXInNativeGeographicCRS.intersect(nativeGeoEnvelope);
            requestedBBOXInNativeGeographicCRS.setCoordinateReferenceSystem(nativeGeoCRS);


            // now go back to the coverage native CRS in order to compute an approximate requested
            // resolution
            final MathTransform transform = CRS.findMathTransform(nativeGeoCRS, requestCRS, true);

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