Examples with Tile org.opentripplanner.analyst.core.Tile used on opensource projects

Example 1 with Tile

use of org.opentripplanner.analyst.core.Tile in project OpenTripPlanner by opentripplanner.

the class Renderer method getResponse.

public Response getResponse(TileRequest tileRequest, TimeSurface surfA, TimeSurface surfB, RenderRequest renderRequest) throws Exception {
    Tile tile = tileCache.get(tileRequest);
    BufferedImage image;
    switch(renderRequest.layer) {
        case DIFFERENCE:
            image = tile.linearCombination(1, surfA, -1, surfB, 0, renderRequest);
            break;
        case HAGERSTRAND:
            long elapsed = Math.abs(surfB.dateTime - surfA.dateTime);
            image = tile.linearCombination(-1, surfA, -1, surfB, elapsed / 60, renderRequest);
            break;
        case TRAVELTIME:
        default:
            image = tile.generateImage(surfA, renderRequest);
    }
    // of course this will make it useless as a raster for analysis, but it's good for animations.
    if (renderRequest.timestamp) {
        DateFormat df = DateFormat.getDateTimeInstance();
        df.setTimeZone(TimeZone.getTimeZone("America/New_York"));
        String ds = df.format(new Date(surfA.dateTime * 1000));
        shadowWrite(image, ds, String.format("%f, %f", surfA.lat, surfA.lon));
        Graphics2D g2d = image.createGraphics();
        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC));
        BufferedImage legend = Tile.getLegend(renderRequest.style, 300, 50);
        g2d.drawImage(legend, 0, image.getHeight() - 50, null);
        g2d.dispose();
    }
    // geotiff kludge
    if (renderRequest.format.toString().equals("image/geotiff")) {
        GridCoverage2D gc = tile.getGridCoverage2D(image);
        return generateStreamingGeotiffResponse(gc);
    } else {
        return generateStreamingImageResponse(image, renderRequest.format);
    }
}