Examples with FeatureLayer org.geotools.map.FeatureLayer used on opensource projects

Example 1 with FeatureLayer

use of org.geotools.map.FeatureLayer in project polymap4-core by Polymap4.

the class FeatureRenderProcessor2 method getMapRequest.

@Override
public void getMapRequest(GetMapRequest request, ProcessorContext context) throws Exception {
    long start = System.currentTimeMillis();
    // result
    BufferedImage result = new BufferedImage(request.getWidth(), request.getHeight(), TYPE_4BYTE_ABGR);
    result.setAccelerationPriority(1);
    final Graphics2D g = result.createGraphics();
    // log.info( "IMAGE: accelerated=" + result.getCapabilities( g.getDeviceConfiguration() ).isAccelerated() );
    MapContent mapContent = new MapContent();
    try {
        // MapContent
        mapContent.getViewport().setCoordinateReferenceSystem(request.getBoundingBox().getCoordinateReferenceSystem());
        mapContent.addLayer(new FeatureLayer(fs.get(), style.get()));
        StreamingRenderer renderer = new NoThreadStreamingRenderer();
        // error handler
        renderer.addRenderListener(new RenderListener() {

            @Override
            public void featureRenderer(SimpleFeature feature) {
            }

            @Override
            public void errorOccurred(Exception e) {
                if (e.getMessage() == null || e.getMessage().contains("Error transforming bbox") || e.getMessage().contains("too close to a pole")) {
                    log.warn("Renderer: " + e.getMessage());
                } else {
                    log.error("Renderer error: ", e);
                    drawErrorMsg(g, "Unable to render.", e);
                }
            }
        });
        // rendering hints
        RenderingHints hints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        hints.add(new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON));
        hints.add(new RenderingHints(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
        hints.add(new RenderingHints(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON));
        // hints.add( new RenderingHints(
        // RenderingHints.KEY_TEXT_ANTIALIASING,
        // RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB ) );
        // geoserver compatibility to support *env* in SLD functions
        double scale = RendererUtilities.calculateOGCScale(request.getBoundingBox(), request.getWidth(), Collections.EMPTY_MAP);
        EnvFunction.setLocalValue("wms_scale_denominator", scale);
        renderer.setJava2DHints(hints);
        g.setRenderingHints(hints);
        // render params
        Map rendererParams = new HashMap();
        rendererParams.put("optimizedDataLoadingEnabled", Boolean.TRUE);
        renderer.setRendererHints(rendererParams);
        renderer.setMapContent(mapContent);
        Rectangle paintArea = new Rectangle(request.getWidth(), request.getHeight());
        renderer.paint(g, paintArea, request.getBoundingBox());
    } catch (Throwable e) {
        log.error("Renderer error: ", e);
        drawErrorMsg(g, "Unable to render.", e);
    } finally {
        mapContent.dispose();
        EnvFunction.clearLocalValues();
        if (g != null) {
            g.dispose();
        }
    }
    log.debug("   ...done: (" + (System.currentTimeMillis() - start) + "ms).");
    context.sendResponse(new ImageResponse(result));
}

Example 2 with FeatureLayer

use of org.geotools.map.FeatureLayer in project spatial-portal by AtlasOfLivingAustralia.

the class AreaUploadShapefileWizardController method executeShapeImageRenderer.

private void executeShapeImageRenderer(Filter filter) {
    try {
        LOGGER.debug("Generating image");
        SimpleFeatureCollection features1;
        if (filter == null) {
            features1 = source.getFeatures();
        } else {
            features1 = source.getFeatures(filter);
        }
        // Create a map content and add our shapefile to it
        MapContent map = new MapContent();
        org.geotools.styling.Style style = SLD.createSimpleStyle(source.getSchema());
        Layer layer = new FeatureLayer(features1, style);
        map.addLayer(layer);
        GTRenderer renderer = new StreamingRenderer();
        renderer.setMapContent(map);
        int imageWidth = 800;
        int imageHeight = 300;
        Rectangle imageBounds;
        ReferencedEnvelope mapBounds;
        mapBounds = map.getMaxBounds();
        double heightToWidth = mapBounds.getSpan(1) / mapBounds.getSpan(0);
        if (heightToWidth * imageWidth > imageHeight) {
            imageBounds = new Rectangle(0, 0, (int) Math.round(imageHeight / heightToWidth), imageHeight);
        } else {
            imageBounds = new Rectangle(0, 0, imageWidth, (int) Math.round(imageWidth * heightToWidth));
        }
        BufferedImage image = new BufferedImage(imageBounds.width, imageBounds.height, BufferedImage.TYPE_INT_RGB);
        Graphics2D gr = image.createGraphics();
        gr.setPaint(Color.WHITE);
        gr.fill(imageBounds);
        renderer.paint(gr, imageBounds, mapBounds);
        img.setContent(image);
    } catch (Exception e) {
        LOGGER.debug("Unable to generate image for selected shapefile", e);
    }
}

Example 3 with FeatureLayer

use of org.geotools.map.FeatureLayer in project sldeditor by robward-scisys.

the class RenderPanelImpl method renderVectorMap.

/**
 * Render vector map.
 *
 * @param features the results
 * @param imageSize the image size
 * @param style the style
 * @param dpi the dpi
 */
private void renderVectorMap(FeatureSource<SimpleFeatureType, SimpleFeature> features, Rectangle imageSize, Style style, int dpi) {
    List<Layer> layerList = new ArrayList<Layer>();
    if (style != null) {
        FeatureLayer featureLayer = new FeatureLayer(features, style);
        layerList.add(featureLayer);
    }
    boolean hasGeometry = false;
    ReferencedEnvelope bounds = null;
    if (features != null) {
        bounds = calculateBounds();
        wmsEnvVarValues.setMapBounds(bounds);
        EnvironmentVariableManager.getInstance().setWMSEnvVarValues(wmsEnvVarValues);
        if (features.getSchema() != null) {
            hasGeometry = (features.getSchema().getGeometryDescriptor() != null);
        }
    }
    internal_renderMap(layerList, bounds, imageSize, hasGeometry, dpi);
}

Example 4 with FeatureLayer

use of org.geotools.map.FeatureLayer in project sldeditor by robward-scisys.

the class MapRender method renderSymbol.

/**
 * Render symbol.
 *
 * @param mapContent the map content
 * @param styledLayer the styled layer
 * @param style the style
 */
private void renderSymbol(MapContent mapContent, StyledLayer styledLayer, Style style) {
    for (Layer layer : mapContent.layers()) {
        mapContent.removeLayer(layer);
    }
    switch(geometryType) {
        case RASTER:
            {
                GridReaderLayer gridLayer = new GridReaderLayer(gridCoverage, (org.geotools.styling.Style) style);
                mapContent.addLayer(gridLayer);
                mapContent.getViewport().setBounds(gridLayer.getBounds());
                if (gridCoverage != null) {
                    mapPane.setDisplayArea(gridCoverage.getOriginalEnvelope());
                }
            }
            break;
        case POINT:
        case LINE:
        case POLYGON:
            {
                FeatureSource<SimpleFeatureType, SimpleFeature> tmpFeatureList = null;
                if (styledLayer instanceof UserLayer) {
                    if (userLayerFeatureListMap != null) {
                        tmpFeatureList = userLayerFeatureListMap.get(styledLayer);
                    }
                } else {
                    tmpFeatureList = featureList;
                }
                if (tmpFeatureList != null) {
                    mapContent.addLayer(new FeatureLayer(tmpFeatureList, (org.geotools.styling.Style) style));
                    try {
                        mapPane.setDisplayArea(tmpFeatureList.getBounds());
                    } catch (IOException e) {
                        ConsoleManager.getInstance().exception(this, e);
                    }
                }
            }
            break;
        default:
            break;
    }
    wmsEnvVarValues.setMapBounds(mapBounds);
    EnvironmentVariableManager.getInstance().setWMSEnvVarValues(wmsEnvVarValues);
}

Example 5 with FeatureLayer

use of org.geotools.map.FeatureLayer in project dhis2-core by dhis2.

the class MapUtils method createFeatureLayerFromMapObject.

/**
 * Creates a feature layer based on a map object.
 */
public static Layer createFeatureLayerFromMapObject(InternalMapObject mapObject) {
    Style style = mapObject.getStyle();
    SimpleFeatureType featureType = mapObject.getFeatureType();
    SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(featureType);
    DefaultFeatureCollection featureCollection = new DefaultFeatureCollection();
    featureBuilder.add(mapObject.getGeometry());
    SimpleFeature feature = featureBuilder.buildFeature(null);
    featureCollection.add(feature);
    return new FeatureLayer(featureCollection, style);
}