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

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            // now we have enough info to read the coverage, grab the parameters
            // and add the grid geometry info
            final Map parameters = CoverageUtils.getParametersKVP(reader.getFormat()
                    .getReadParameters());
            final GeneralEnvelope intersected = new GeneralEnvelope(destinationEnvelopeInSourceCRS);
            intersected.intersect(originalEnvelope);
            final GridGeometry2D destinationGridGeometry =new GridGeometry2D(PixelInCell.CELL_CENTER, gridToCRS, intersected, null);
            parameters.put(AbstractGridFormat.READ_GRIDGEOMETRY2D.getName().toString(),
                    destinationGridGeometry);
            coverage = (GridCoverage2D) reader.read(CoverageUtils.getParameters(reader.getFormat()
                    .getReadParameters(), parameters, true));

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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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                    gridToCRS = gridGeometry.getGridToCRS();
                } else {
                    reduced   = CoverageUtilities.getEnvelope2D(source);
                    gridToCRS = GridGeometry2D.wrap(gridGeometry).getGridToCRS2D();
                }
                transformed.intersect(reduced);
                gridGeometry = new GridGeometry2D(PixelInCell.CELL_CENTER, gridToCRS, transformed, null);
            } catch (FactoryException exception) {
                recoverableException("resample", exception);
            } catch (TransformException exception) {
                recoverableException("resample", exception);

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        // Calculate the expected results
        final GeneralEnvelope temp = new GeneralEnvelope(CRS.transform(gridGeometry.getEnvelope(),
                coverageProperties.crs2D));
        temp.setCoordinateReferenceSystem(coverageProperties.crs2D);
        temp.intersect(coverageProperties.getBbox());
        final GridToEnvelopeMapper geMapper = new GridToEnvelopeMapper(
                new GridEnvelope2D(gridRange), temp);
        final AffineTransform tempTransform = geMapper.createAffineTransform();
        double[] calculatedResolution = new double[] { XAffineTransform.getScaleX0(tempTransform),
                XAffineTransform.getScaleY0(tempTransform) };

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                //


                final GeneralEnvelope cropBBOXInRequestCRS = CRS
                        .transform(computedBBox, requestCRS);
                // make sure it falls within the requested envelope
                cropBBOXInRequestCRS.intersect(requestedBBox);


                // now go back to raster space
                computedRasterArea = new GeneralGridEnvelope(CRS.transform(requestedWorldToGrid,
                        cropBBOXInRequestCRS), PixelInCell.CELL_CORNER, false).toRectangle();
                // intersect with the original requested raster space to be sure that we stay within

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        final GeneralEnvelope oldEnvelope = (GeneralEnvelope) gc.getEnvelope();
        // intersect the envelopes in order to prepare for cropping the coverage
        // down to the neded resolution
        final GeneralEnvelope intersectionEnvelope = new GeneralEnvelope(envelope);
        intersectionEnvelope.setCoordinateReferenceSystem(envelope.getCoordinateReferenceSystem());
        intersectionEnvelope.intersect(oldEnvelope);
    
        // Do we have something to show? After the crop I could get a null
        // coverage which would mean nothing to show.
        if (intersectionEnvelope.isEmpty()){
            return null;

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            }else{
                // NO REPROJECTION
                renderingEnvelopeInCoverageCRS = new GeneralEnvelope(destinationEnvelope);
            }
            final GeneralEnvelope cropEnvelope = new GeneralEnvelope(renderingEnvelopeInCoverageCRS);
            cropEnvelope.intersect(coverageEnvelope);
            if (cropEnvelope.isEmpty()||cropEnvelope.isNull()) {
                if (LOGGER.isLoggable(Level.INFO)) {
                    LOGGER.info("The destination envelope does not intersect the envelope of the source coverage.");
                }
                return null;

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                final GeneralEnvelope cropBBOXInRequestCRS = new GeneralEnvelope(CRS.transform(
                        cropBBox, requestCRS));
                cropBBOXInRequestCRS.setCoordinateReferenceSystem(requestedBBox
                        .getCoordinateReferenceSystem());
                // make sure it falls within the requested envelope
                cropBBOXInRequestCRS.intersect(requestedBBox);


                // now go back to raster space
                destinationRasterArea = new GeneralGridEnvelope(CRS.transform(requestedWorldToGrid,
                        cropBBOXInRequestCRS), PixelInCell.CELL_CORNER, false).toRectangle();
                // intersect with the original requested raster space to be sure that we stay within

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