org.geotools.map.FeatureLayer Java Examples

The following examples show how to use org.geotools.map.FeatureLayer. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: MapRender.java From sldeditor with GNU General Public License v3.0

6 votes

/**
 * Render vector symbol.
 *
 * @param mapContent the map content
 * @param styledLayer the styled layer
 * @param style the style
 */
private void renderVectorSymbol(MapContent mapContent, StyledLayer styledLayer, Style style) {
    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);
        }
    }
}

Example #2

Source File: MapUtils.java From dhis2-core with BSD 3-Clause "New" or "Revised" License

6 votes

/**
 * 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 );
}

Example #3

Source File: RenderPanelImpl.java From sldeditor with GNU General Public License v3.0

5 votes

/**
 * 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<>();
    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);
        }
    }

    internalRenderMap(layerList, bounds, imageSize, hasGeometry, dpi);
}

Example #4

Source File: ShapeFileViewer.java From gama with GNU General Public License v3.0

5 votes

@Override
public void init(final IEditorSite site, final IEditorInput input) throws PartInitException {
	setSite(site);
	final FileEditorInput fi = (FileEditorInput) input;
	file = fi.getFile();
	final IPath path = fi.getPath();
	final File f = path.makeAbsolute().toFile();
	try {
		pathStr = f.getAbsolutePath();
		final ShapefileDataStore store = new ShapefileDataStore(f.toURI().toURL());
		store.setCharset(Charset.forName("UTF8"));
		content = new MapContent();
		featureSource = store.getFeatureSource();
		style = Utils.createStyle2(featureSource);
		layer = new FeatureLayer(featureSource, style);
		mode = determineMode(featureSource.getSchema(), "Polygon");
		final List<FeatureTypeStyle> ftsList = style.featureTypeStyles();
		if (ftsList.size() > 0) {
			fts = ftsList.get(0);
		} else {
			fts = null;
		}
		if (fts != null) {
			this.setFillColor(PreferencesHelper.SHAPEFILE_VIEWER_FILL.getValue(), mode, fts);
			this.setStrokeColor(PreferencesHelper.SHAPEFILE_VIEWER_LINE_COLOR.getValue(), mode, fts);
			((StyleLayer) layer).setStyle(style);
		}
		content.addLayer(layer);
	} catch (final IOException e) {
		DEBUG.ERR("Unable to view file " + path);
	}
	this.setPartName(path.lastSegment());
	setInput(input);
}

Example #5

Source File: RasterizedShapefilesFolderNwwLayer.java From hortonmachine with GNU General Public License v3.0

5 votes

private static GTRenderer getRenderer(File shapeFilesFolder) {
    File[] shpFiles = shapeFilesFolder.listFiles(new FilenameFilter() {
        @Override
        public boolean accept(File dir, String name) {
            return name.toLowerCase().endsWith(".shp");
        }
    });

    MapContent mapContent = new MapContent();
    for (File shpFile : shpFiles) {
        try {
            SimpleFeatureCollection readFC = NwwUtilities.readAndReproject(shpFile.getAbsolutePath());
            ReferencedEnvelope tmpBounds = readFC.getBounds();
            if (tmpBounds.getWidth() == 0 || tmpBounds.getHeight() == 0) {
                System.err.println("Ignoring: " + shpFile);
                continue;
            }
            // if (bounds == null) {
            // bounds = new ReferencedEnvelope(tmpBounds);
            // } else {
            // bounds.expandToInclude(tmpBounds);
            // }
            Style style = SldUtilities.getStyleFromFile(shpFile);
            if (style == null)
                style = SLD.createSimpleStyle(readFC.getSchema());

            FeatureLayer layer = new FeatureLayer(readFC, style);
            mapContent.addLayer(layer);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    GTRenderer renderer = new StreamingRenderer();
    renderer.setMapContent(mapContent);
    return renderer;
}

Example #6

Source File: RasterizedFeatureCollectionLayer.java From hortonmachine with GNU General Public License v3.0

5 votes

private static GTRenderer getRenderer( SimpleFeatureCollection featureCollectionLL, Style style ) {
    MapContent mapContent = new MapContent();
    try {
        FeatureLayer layer = new FeatureLayer(featureCollectionLL, style);
        mapContent.addLayer(layer);
    } catch (Exception e) {
        e.printStackTrace();
    }
    GTRenderer renderer = new StreamingRenderer();
    renderer.setMapContent(mapContent);
    return renderer;
}

Example #7

Source File: RasterizedSpatialiteLayer.java From hortonmachine with GNU General Public License v3.0

5 votes

private static GTRenderer getRenderer( ASpatialDb db, String tableName, int featureLimit, Style style ) {
    MapContent mapContent = new MapContent();

    // read data and convert it to featurecollection
    try {
        long t1 = System.currentTimeMillis();
        System.out.println("STARTED READING: " + tableName);

        String databasePath = db.getDatabasePath();
        File dbFile = new File(databasePath);
        File parentFolder = dbFile.getParentFile();
        if (style == null) {
            File sldFile = new File(parentFolder, tableName + ".sld");
            if (sldFile.exists()) {
                style = SldUtilities.getStyleFromFile(sldFile);
            }
        }

        DefaultFeatureCollection fc = SpatialDbsImportUtils.tableToFeatureFCollection(db, tableName, featureLimit,
                NwwUtilities.GPS_CRS_SRID, null);
        long t2 = System.currentTimeMillis();
        System.out.println("FINISHED READING: " + tableName + " -> " + ((t2 - t1) / 1000) + "sec");
        if (style == null) {
            style = SLD.createSimpleStyle(fc.getSchema());
        }
        FeatureLayer layer = new FeatureLayer(fc, style);

        long t3 = System.currentTimeMillis();
        System.out.println("FINISHED BUILDING: " + tableName + " -> " + ((t3 - t2) / 1000) + "sec");

        mapContent.addLayer(layer);
    } catch (Exception e) {
        e.printStackTrace();
    }
    GTRenderer renderer = new StreamingRenderer();
    renderer.setMapContent(mapContent);
    return renderer;
}

Example #8

Source File: OmsMapsViewer.java From hortonmachine with GNU General Public License v3.0

4 votes

private void addFeatureCollections( MapContent map ) throws Exception {
    if (inVectors == null) {
        return;
    }
    for( String path : inVectors ) {
        SimpleFeatureCollection fc = OmsVectorReader.readVector(path);
        GeometryDescriptor geometryDescriptor = fc.getSchema().getGeometryDescriptor();
        EGeometryType type = EGeometryType.forGeometryDescriptor(geometryDescriptor);

        File file = new File(path);
        Style style = SldUtilities.getStyleFromFile(file);

        switch( type ) {
        case MULTIPOLYGON:
        case POLYGON:
            if (style == null) {
                Stroke polygonStroke = sf.createStroke(ff.literal(Color.BLUE), ff.literal(2));
                Fill polygonFill = sf.createFill(ff.literal(Color.BLUE), ff.literal(0.0));

                Rule polygonRule = sf.createRule();
                PolygonSymbolizer polygonSymbolizer = sf.createPolygonSymbolizer(polygonStroke, polygonFill, null);
                polygonRule.symbolizers().add(polygonSymbolizer);

                FeatureTypeStyle polygonFeatureTypeStyle = sf.createFeatureTypeStyle();
                polygonFeatureTypeStyle.rules().add(polygonRule);

                style = sf.createStyle();
                style.featureTypeStyles().add(polygonFeatureTypeStyle);
                style.setName("polygons");
            }
            break;
        case MULTIPOINT:
        case POINT:
            if (style == null) {
                Mark circleMark = sf.getCircleMark();
                Fill fill = sf.createFill(ff.literal(Color.RED));
                circleMark.setFill(fill);
                // circleMark.setStroke(null);

                Graphic gr = sf.createDefaultGraphic();
                gr.graphicalSymbols().clear();
                gr.graphicalSymbols().add(circleMark);
                Expression size = ff.literal(6);
                gr.setSize(size);

                Rule pointRule = sf.createRule();
                PointSymbolizer pointSymbolizer = sf.createPointSymbolizer(gr, null);
                pointRule.symbolizers().add(pointSymbolizer);

                FeatureTypeStyle pointsFeatureTypeStyle = sf.createFeatureTypeStyle();
                pointsFeatureTypeStyle.rules().add(pointRule);

                style = sf.createStyle();
                style.featureTypeStyles().add(pointsFeatureTypeStyle);
                style.setName("points");
            }
            break;
        case MULTILINESTRING:
        case LINESTRING:
            if (style == null) {
                Stroke lineStroke = sf.createStroke(ff.literal(Color.RED), ff.literal(2));

                Rule lineRule = sf.createRule();
                LineSymbolizer lineSymbolizer = sf.createLineSymbolizer(lineStroke, null);
                lineRule.symbolizers().add(lineSymbolizer);

                FeatureTypeStyle lineFeatureTypeStyle = sf.createFeatureTypeStyle();
                lineFeatureTypeStyle.rules().add(lineRule);

                style = sf.createStyle();
                style.featureTypeStyles().add(lineFeatureTypeStyle);
                style.setName("lines");
            }
            break;

        default:
            break;
        }

        FeatureLayer layer = new FeatureLayer(fc, style);
        map.addLayer(layer);

    }

}

Example #9