Examples of javax.media.jai.InterpolationBilinear

javax.media.jai.InterpolationBilinear
A class representing bilinear interpolation. The class is marked 'final' so it may be either automatically or manually inlined.
Bilinear interpolation requires a neighborhood extending one pixel to the right and below the central sample. If the fractional subsample position is given by (xfrac, yfrac), the resampled pixel value will be:
```
 (1 - yfrac) * [(1 - xfrac)*s00 + xfrac*s01] +  yfrac * [(1 - xfrac)*s10 + xfrac*s11] 
```
A neighborhood extending one sample to the right of, and one sample below the central sample is required to perform bilinear interpolation. This implementation maintains equal subsampleBits in x and y.
The diagrams below illustrate the pixels involved in one-dimensional bilinear interpolation. Point s0 is the interpolation kernel key position. xfrac and yfrac, indicated by the dots, represent the point of interpolation between two pixels. This value lies between 0.0 and 1.0 exclusive for floating point and 0 and 2^{subsampleBits} exclusive for integer interpolations.
```
  Horizontal              Vertical s0 .  s1                  s0                              ^                       .< yfrac                       xfrac                   s1                          
```
The diagram below illustrates the pixels involved in two-dimensional bilinear interpolation.
```
  s00    s01                                      .      < yfrac                       s10    s11                                      ^                                            xfrac                                          
```
The class is marked 'final' so that it may be more easily inlined.

        case _BICUBIC2:
            _interpolation = new InterpolationBicubic2(_subSampleBits);
            break;


        case _BILINEAR:
            _interpolation = new InterpolationBilinear(_subSampleBits);
            break;


        case _NEARESTNEIGHBOR:
            _interpolation = new InterpolationNearest();
            break;

View Full Code Here

        case _BICUBIC2:
            parameters.add(new InterpolationBicubic2(_subSampleBits));
            break;


        case _BILINEAR:
            parameters.add(new InterpolationBilinear(_subSampleBits));
            break;


        case _NEARESTNEIGHBOR:
            parameters.add(new InterpolationNearest());
            break;

View Full Code Here

        case _BICUBIC2:
            parameters.add(new InterpolationBicubic2(_subSampleBits));
            break;


        case _BILINEAR:
            parameters.add(new InterpolationBilinear(_subSampleBits));
            break;


        case _NEARESTNEIGHBOR:
            parameters.add(new InterpolationNearest());
            break;

View Full Code Here

        if ( renderingHeight > maxHeight ) {
            renderingHeight = maxHeight;
            renderingWidth = (int) (renderingHeight * cropW / cropH);
        }
        RenderingHints hints = new RenderingHints( null );
        hints.put( JAI.KEY_INTERPOLATION, new InterpolationBilinear() );
        
        RenderedImage rendered = null;
        if ( lastRendering != null && lastRendering instanceof PlanarImage ) {
            ((PlanarImage)lastRendering).dispose();
            System.gc();

View Full Code Here

                (int)(getHeight()*scale), isLowQualityAllowed );
        if ( previousCorrectedImage != original ) {
            buildPipeline( original );
        }
        RenderingHints hints = new RenderingHints( null );
        hints.put( JAI.KEY_INTERPOLATION, new InterpolationBilinear() );
        if ( lastRendering != null && lastRendering instanceof PlanarImage ) {
            ((PlanarImage)lastRendering).dispose();
            System.gc();
        }
        RenderedImage rendered = null;

View Full Code Here

         concatenated with scaling from MultiresolutionImage to desired resolution.
         This transformation obeys KYE_INTERPOLATION hint so we must set it here,
         otherwise nearest neighborough interpolation will be used regardless of
         the settings on parameter block.
         */
        hints.put( JAI.KEY_INTERPOLATION, new InterpolationBilinear() );
        rotatedImage = JAI.createRenderable( "affine", rotParams, hints );
        
        ParameterBlockJAI cropParams = new ParameterBlockJAI( "crop" );
        cropParams.addSource( rotatedImage );
        float cropWidth = (float) (cropMaxX - cropMinX);

View Full Code Here

    pb.addSource(pi); // The source image
    pb.add(factor); // The xScale
    pb.add(factor); // The yScale
    pb.add(0.0F); // The x translation
    pb.add(0.0F); // The y translation
    pb.add(new InterpolationBilinear()); // The interpolation
    // Create the scale operation
    return (JAI.create("scale", pb, null));
  }

View Full Code Here

    pb.addSource(subImg);
    pb.add((float) (-subImg.getMinX() - subImg.getWidth() / 2));
    pb.add((float) (-subImg.getMinY() - subImg.getHeight() / 2));
    subImg = JAI.create("translate", pb, null);
    // specify the type of interpolation for the shear operation.
    InterpolationBilinear interp = new InterpolationBilinear(16);
    // create the transform parameter
    double m00 = 1; // scale x
    double m10 = -yShear; // shear y
    double m01 = -xShear; // shear x
    double m11 = 1; // scale y

View Full Code Here

            List<File> paths = tileSource.getNEDTiles();
            for (File path : paths) {
                GeotiffGridCoverageFactoryImpl factory = new GeotiffGridCoverageFactoryImpl();
                factory.setPath(path);
                GridCoverage2D regionCoverage = Interpolator2D.create(factory.getGridCoverage(),
                        new InterpolationBilinear());
                if (coverage == null) {
                    coverage = new UnifiedGridCoverage("unified", regionCoverage, datums);
                } else {
                    coverage.add(regionCoverage);
                }

View Full Code Here


        // If gridCov is a GridCoverage2D, apply a bilinear interpolator. Otherwise, just use the
        // coverage as is (note: UnifiedGridCoverages created by NEDGridCoverageFactoryImpl handle
        // interpolation internally)
        coverage = (gridCov instanceof GridCoverage2D) ? Interpolator2D.create(
                (GridCoverage2D) gridCov, new InterpolationBilinear()) : gridCov;
        log.info("setting street elevation profiles from NED data...");
        List<StreetEdge> edgesWithElevation = new ArrayList<StreetEdge>();
        int nProcessed = 0;
        int nTotal = graph.countEdges();
        for (Vertex gv : graph.getVertices()) {

View Full Code Here

0 1

TOP

Related Classes of javax.media.jai.InterpolationBilinear

jpiv2.PivImg

jpiv2.VecImg

org.geotools.gce.gtopo30.GTopo30Writer

org.geotools.process.raster.AffineProcessTest

org.geotools.process.raster.RasterAsPointCollectionProcessTest

org.geotools.renderer.lite.gridcoverage2d.RasterSymbolizerTest

org.geotools.utils.imageoverviews.OverviewsEmbedder

org.opentripplanner.graph_builder.impl.ned.ElevationGraphBuilderImpl

org.opentripplanner.graph_builder.impl.ned.NEDGridCoverageFactoryImpl

org.photovault.image.PhotovaultImage

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.