/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2003-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.renderer.lite;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
import junit.framework.TestCase;
import org.geotools.data.DataUtilities;
import org.geotools.data.memory.MemoryDataStore;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.feature.IllegalAttributeException;
import org.geotools.feature.SchemaException;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
import org.geotools.filter.IllegalFilterException;
import org.geotools.geometry.jts.JTS;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.map.DefaultMapContext;
import org.geotools.map.MapContext;
import org.geotools.referencing.CRS;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.geotools.renderer.RenderListener;
import org.geotools.styling.FeatureTypeStyle;
import org.geotools.styling.Fill;
import org.geotools.styling.LineSymbolizer;
import org.geotools.styling.PointSymbolizer;
import org.geotools.styling.PolygonSymbolizer;
import org.geotools.styling.Rule;
import org.geotools.styling.SLDParser;
import org.geotools.styling.Stroke;
import org.geotools.styling.Style;
import org.geotools.styling.StyleBuilder;
import org.geotools.styling.StyleFactory;
import org.geotools.styling.StyleFactoryFinder;
import org.geotools.styling.StyledLayerDescriptor;
import org.geotools.styling.Symbolizer;
import org.geotools.styling.UserLayer;
import org.geotools.test.TestData;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.filter.FilterFactory;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.referencing.operation.MathTransform;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Envelope;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryCollection;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.LinearRing;
import com.vividsolutions.jts.geom.MultiLineString;
import com.vividsolutions.jts.geom.MultiPolygon;
import com.vividsolutions.jts.geom.Point;
import com.vividsolutions.jts.geom.Polygon;
import com.vividsolutions.jts.geom.TopologyException;
import com.vividsolutions.jts.geom.impl.PackedCoordinateSequenceFactory;
/**
* @author jamesm
*
*
* @source $URL$
*/
public class Rendering2DTest extends TestCase {
/**
* The logger for the rendering module.
*/
private static final Logger LOGGER = org.geotools.util.logging.Logging.getLogger("org.geotools.rendering");
private final int xCenter = -74;
private final int yCenter = 41;
static final String LINE = "linefeature";
static final String POLYGON = "polygonfeature";
static final String POINT = "pointfeature";
static final String RING = "ringfeature";
static final String COLLECTION = "collfeature";
protected static final Map rendererHints = new HashMap();
protected static final FilterFactory filterFactory = CommonFactoryFinder.getFilterFactory(null);
{
rendererHints.put("optimizedDataLoadingEnabled", new Boolean(true));
}
public Rendering2DTest(java.lang.String testName) {
super(testName);
}
Style loadTestStyle() throws IOException {
StyleFactory factory = CommonFactoryFinder.getStyleFactory(null);
URL surl = TestData.getResource(this, "test-sld.xml");
SLDParser stylereader = new SLDParser(factory, surl);
StyledLayerDescriptor sld = stylereader.parseSLD();
UserLayer layer = (UserLayer) sld.getStyledLayers()[0];
return layer.getUserStyles()[0];
}
Style createTestStyle() throws IllegalFilterException {
StyleFactory sFac = CommonFactoryFinder.getStyleFactory(null);
// The following is complex, and should be built from
// an SLD document and not by hand
PointSymbolizer pointsym = sFac.createPointSymbolizer();
pointsym.setGraphic(sFac.getDefaultGraphic());
Rule rule = sFac.createRule();
rule.setSymbolizers(new Symbolizer[] { polysym(sFac) });
FeatureTypeStyle fts = sFac.createFeatureTypeStyle(new Rule[] { rule });
fts.setFeatureTypeName("polygonfeature");
Rule rule1 = sFac.createRule();
rule.setSymbolizers(new Symbolizer[] { polysym(sFac) });
FeatureTypeStyle fts1 = sFac
.createFeatureTypeStyle(new Rule[] { rule1 });
fts1.setFeatureTypeName("polygonfeature");
Rule rule2 = sFac.createRule();
rule2.setSymbolizers(new Symbolizer[] { linesym(sFac) });
FeatureTypeStyle fts2 = sFac.createFeatureTypeStyle();
fts2.setRules(new Rule[] { rule2 });
fts2.setFeatureTypeName("linefeature");
Rule rule3 = sFac.createRule();
rule3.setSymbolizers(new Symbolizer[] { pointsym });
FeatureTypeStyle fts3 = sFac.createFeatureTypeStyle();
fts3.setRules(new Rule[] { rule3 });
fts3.setFeatureTypeName("pointfeature");
Rule rule4 = sFac.createRule();
rule4.setSymbolizers(new Symbolizer[] { polysym(sFac), linesym(sFac) });
FeatureTypeStyle fts4 = sFac.createFeatureTypeStyle();
fts4.setRules(new Rule[] { rule4 });
fts4.setFeatureTypeName("collFeature");
Rule rule5 = sFac.createRule();
rule5.setSymbolizers(new Symbolizer[] { linesym(sFac) });
FeatureTypeStyle fts5 = sFac.createFeatureTypeStyle();
fts5.setRules(new Rule[] { rule5 });
fts5.setFeatureTypeName("ringFeature");
Style style = sFac.createStyle();
style.setFeatureTypeStyles(new FeatureTypeStyle[] { fts1, fts, fts2,
fts3, fts4, fts5 });
return style;
}
private LineSymbolizer linesym(StyleFactory sFac)
throws IllegalFilterException {
LineSymbolizer linesym = sFac.createLineSymbolizer();
Stroke myStroke = sFac.getDefaultStroke();
myStroke.setColor(filterFactory.literal("#0000ff"));
myStroke
.setWidth(filterFactory.literal(new Integer(5)));
LOGGER.fine("got new Stroke " + myStroke);
linesym.setStroke(myStroke);
return linesym;
}
private PolygonSymbolizer polysym(StyleFactory sFac)
throws IllegalFilterException {
Stroke myStroke;
PolygonSymbolizer polysym = sFac.createPolygonSymbolizer();
Fill myFill = sFac.getDefaultFill();
myFill.setColor(filterFactory.literal("#ff0000"));
polysym.setFill(myFill);
myStroke = sFac.getDefaultStroke();
myStroke.setColor(filterFactory.literal("#0000ff"));
myStroke
.setWidth(filterFactory.literal(new Integer(2)));
polysym.setStroke(myStroke);
return polysym;
}
private PolygonSymbolizer polysym1(StyleFactory sFac)
throws IllegalFilterException {
Stroke myStroke;
PolygonSymbolizer polysym = sFac.createPolygonSymbolizer();
Fill myFill = sFac.getDefaultFill();
myFill.setColor(filterFactory.literal("#00ff00"));
polysym.setFill(myFill);
myStroke = sFac.getDefaultStroke();
myStroke.setColor(filterFactory.literal("#00ff00"));
myStroke
.setWidth(filterFactory.literal(new Integer(2)));
polysym.setStroke(myStroke);
return polysym;
}
SimpleFeatureCollection createTestFeatureCollection(
CoordinateReferenceSystem crs, String typeName) throws Exception {
GeometryFactory geomFac = new GeometryFactory();
return createTestFeatureCollection(crs, geomFac, typeName);
}
SimpleFeatureCollection createTestFeatureCollection(
CoordinateReferenceSystem crs, GeometryFactory geomFac,
String typeName) throws Exception {
LineString line = makeSampleLineString(geomFac);
SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
builder.setName(LINE);
if (crs != null)
builder.add("collection", line.getClass(), crs);
else
builder.add("centerline", line.getClass());
builder.add("name", String.class);
SimpleFeatureType lineType = builder.buildFeatureType();
SimpleFeature lineFeature = SimpleFeatureBuilder.build(lineType, new Object[]{line, "centerline"}, null);
Polygon polygon = makeSamplePolygon(geomFac);
builder.setName(POLYGON);
if (crs != null)
builder.add("collection", polygon.getClass(), crs);
else
builder.add("edge", polygon.getClass());
builder.add("name", String.class);
SimpleFeatureType polygonType = builder.buildFeatureType();
SimpleFeature polygonFeature = SimpleFeatureBuilder.build(polygonType, new Object[] { polygon,
"edge" }, null);
Point point = makeSamplePoint(geomFac);
builder.setName(POINT);
if (crs != null)
builder.add("collection", point.getClass(), crs);
else
builder.add("centre", point.getClass());
builder.add("name", String.class);
SimpleFeatureType pointType = builder.buildFeatureType();
SimpleFeature pointFeature = SimpleFeatureBuilder.build(pointType, new Object[] { point, "centre" }, null);
LinearRing ring = makeSampleLinearRing(geomFac);
builder.setName(RING);
if (crs != null)
builder.add("collection", line.getClass(), crs);
else
builder.add("centerline", line.getClass());
builder.add("name", String.class);
SimpleFeatureType lrType = builder.buildFeatureType();
SimpleFeature ringFeature = SimpleFeatureBuilder.build(lrType, new Object[] { ring, "centerline" }, null);
GeometryCollection coll = makeSampleGeometryCollection(geomFac);
builder.setName(COLLECTION);
if (crs != null)
builder.add("collection", coll.getClass(), crs);
else
builder.add("collection", coll.getClass());
builder.add("name", String.class);
SimpleFeatureType collType = builder.buildFeatureType();
SimpleFeature collFeature = SimpleFeatureBuilder.build(collType, new Object[] { coll, "collection" }, null);
MemoryDataStore data = new MemoryDataStore();
data.addFeature(lineFeature);
data.addFeature(polygonFeature);
data.addFeature(pointFeature);
data.addFeature(ringFeature);
data.addFeature(collFeature);
return data.getFeatureSource(typeName).getFeatures();
}
public void testSimplePolygonRender() throws Exception {
LOGGER.finer("starting rendering2DTest");
// ////////////////////////////////////////////////////////////////////
//
// CREATING FEATURES
//
// ////////////////////////////////////////////////////////////////////
final SimpleFeatureCollection ft = createTestFeatureCollection(
DefaultGeographicCRS.WGS84, POLYGON);
// ////////////////////////////////////////////////////////////////////
//
// CREATING STYLE
//
// ////////////////////////////////////////////////////////////////////
final Style style = createTestStyle();
// ////////////////////////////////////////////////////////////////////
//
// CREATING MAP CONTEXT
//
// ////////////////////////////////////////////////////////////////////
final MapContext map = new DefaultMapContext(DefaultGeographicCRS.WGS84);
map.addLayer(ft, style);
map.setAreaOfInterest(map.getLayerBounds());
// ////////////////////////////////////////////////////////////////////
//
// CREATING STREAMING RENDERER
//
// ////////////////////////////////////////////////////////////////////
final StreamingRenderer renderer = new StreamingRenderer();
renderer.setContext(map);
renderer.setRendererHints(rendererHints);
// ////////////////////////////////////////////////////////////////////
//
// SHOWING RENDERER
//
// ////////////////////////////////////////////////////////////////////
RendererBaseTest.showRender("testSimplePolygonRender", renderer, 1000,
map.getLayerBounds());
}
// public void testRenderLoadedStyle() throws Exception {
//
// // same as the datasource test, load in some features into a table
// System.err.println("starting RenderLoadedStyle");
//
// SimpleFeatureCollection ft = createTestFeatureCollection(null, POLYGON);
// Style style = loadTestStyle();
//
// MapContext map = new DefaultMapContext();
// map.addLayer(ft, style);
// LiteRenderer2 renderer = new LiteRenderer2(map);
// Envelope env = map.getLayerBounds();
// env = new Envelope(env.getMinX() - 20, env.getMaxX() + 20, env.getMinY()
// - 20, env
// .getMaxY() + 20);
// showRender("RenderLoadedStyle", renderer, 5000, env);
//
// }
public void testSimpleLineRender() throws Exception {
// ////////////////////////////////////////////////////////////////////
//
// CREATING FEATURES
//
// ////////////////////////////////////////////////////////////////////
final SimpleFeatureCollection ft = createTestFeatureCollection(
DefaultGeographicCRS.WGS84, LINE);
// ////////////////////////////////////////////////////////////////////
//
// CREATING STYLE
//
// ////////////////////////////////////////////////////////////////////
final Style style = createTestStyle();
// ////////////////////////////////////////////////////////////////////
//
// CREATING MAP CONTEXT
//
// ////////////////////////////////////////////////////////////////////
final MapContext map = new DefaultMapContext(DefaultGeographicCRS.WGS84);
map.addLayer(ft, style);
map.setAreaOfInterest(map.getLayerBounds());
// ////////////////////////////////////////////////////////////////////
//
// CREATING STREAMING RENDERER
//
// ////////////////////////////////////////////////////////////////////
final StreamingRenderer renderer = new StreamingRenderer();
renderer.setContext(map);
renderer.setRendererHints(rendererHints);
// ////////////////////////////////////////////////////////////////////
//
// SHOWING RENDERER
//
// ////////////////////////////////////////////////////////////////////
ReferencedEnvelope env = map.getLayerBounds();
env = new ReferencedEnvelope(env.getMinX() - 20, env.getMaxX() + 20,
env.getMinY() - 20, env.getMaxY() + 20, map
.getCoordinateReferenceSystem());
RendererBaseTest
.showRender("testSimpleLineRender", renderer, 1000, env);
}
public void testSimplePointRender() throws Exception {
// ////////////////////////////////////////////////////////////////////
//
// CREATING FEATURES
//
// ////////////////////////////////////////////////////////////////////
final SimpleFeatureCollection ft = createTestFeatureCollection(
DefaultGeographicCRS.WGS84, POINT);
// ////////////////////////////////////////////////////////////////////
//
// CREATING STYLE
//
// ////////////////////////////////////////////////////////////////////
final Style style = createTestStyle();
// ////////////////////////////////////////////////////////////////////
//
// CREATING MAP CONTEXT
//
// ////////////////////////////////////////////////////////////////////
final MapContext map = new DefaultMapContext(DefaultGeographicCRS.WGS84);
map.addLayer(ft, style);
map.setAreaOfInterest(map.getLayerBounds());
// ////////////////////////////////////////////////////////////////////
//
// CREATING STREAMING RENDERER
//
// ////////////////////////////////////////////////////////////////////
final StreamingRenderer renderer = new StreamingRenderer();
renderer.setContext(map);
renderer.setRendererHints(rendererHints);
// ////////////////////////////////////////////////////////////////////
//
// SHOWING RENDERER
//
// ////////////////////////////////////////////////////////////////////
ReferencedEnvelope env = map.getLayerBounds();
env = new ReferencedEnvelope(env.getMinX() - 20, env.getMaxX() + 20,
env.getMinY() - 20, env.getMaxY() + 20, map
.getCoordinateReferenceSystem());
RendererBaseTest.showRender("testSimplePointRender", renderer, 1000,
env);
}
public void testReprojectionWithPackedCoordinateSequence() throws Exception {
// same as the datasource test, load in some features into a table
StringBuffer stringBuffer = new StringBuffer();
stringBuffer.append("starting testLiteRender2").append("\n");
// //
//
// Create test features
//
// //
GeometryFactory geomFac = new GeometryFactory(
PackedCoordinateSequenceFactory.DOUBLE_FACTORY);
SimpleFeatureCollection ft = createTestFeatureCollection(
DefaultGeographicCRS.WGS84, geomFac, POLYGON);
Style style = createTestStyle();
// //
//
// Create the map context
//
// //
MapContext map = new DefaultMapContext();
map.setCoordinateReferenceSystem(DefaultGeographicCRS.WGS84);
map.addLayer(ft, style);
map.setAreaOfInterest(map.getLayerBounds());
// //
//
// Create the streaming renderer
//
// //
StreamingRenderer renderer = new StreamingRenderer();
renderer.setContext(map);
renderer.setRendererHints(rendererHints);
// //
//
// Transform the area of interest
//
// //
final CoordinateReferenceSystem crs = CRS
.parseWKT("PROJCS[\"NAD83 / BC"
+ "Albers\",GEOGCS[\"NAD83\",DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS"
+ "1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],"
+ "TOWGS84[0,0,0],AUTHORITY[\"EPSG\",\"6269\"]],"
+ "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
+ "UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],"
+ "AUTHORITY[\"EPSG\",\"4269\"]],"
+ "PROJECTION[\"Albers_Conic_Equal_Area\"],"
+ "PARAMETER[\"standard_parallel_1\",50],"
+ "PARAMETER[\"standard_parallel_2\",58.5],"
+ "PARAMETER[\"latitude_of_center\",45],"
+ "PARAMETER[\"longitude_of_center\",-126],"
+ "PARAMETER[\"false_easting\",1000000],"
+ "PARAMETER[\"false_northing\",0],"
+ "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],"
+ "AUTHORITY[\"EPSG\",\"3005\"]]");
final MathTransform t = CRS.findMathTransform(DefaultGeographicCRS.WGS84, crs,
true);
// //
//
// Set the new AOI
//
// //
final ReferencedEnvelope env = (ReferencedEnvelope) map
.getLayerBounds();
final ReferencedEnvelope bounds = new ReferencedEnvelope(JTS.transform(
env, null, t, 10), crs);
RendererBaseTest.showRender("testReprojection", renderer, 1000, bounds);
LOGGER.finer(stringBuffer.toString());
}
public void testLineReprojection() throws Exception {
// ///////////////////////////////////////////////////////////////////
//
// LOAD FEATURES
//
//
// /////////////////////////////////////////////////////////////////
LOGGER.finer("starting testLiteRender2");
final GeometryFactory geomFac = new GeometryFactory(
PackedCoordinateSequenceFactory.DOUBLE_FACTORY);
final SimpleFeatureCollection ft = createTestFeatureCollection(
DefaultGeographicCRS.WGS84, geomFac, LINE);
final Style style = createTestStyle();
//
// ///////////////////////////////////////////////////////////////////
//
// CREATE MAP CONTEXT AND RENDERER
//
//
// /////////////////////////////////////////////////////////////////
final MapContext map = new DefaultMapContext(DefaultGeographicCRS.WGS84);
map.addLayer(ft, style);
// ///////////////////////////////////////////////////////////////////
//
// CREATE A PROJECTED AOI
//
//
// /////////////////////////////////////////////////////////////////
final CoordinateReferenceSystem crs = CRS
.parseWKT("PROJCS[\"NAD83 / BC"
+ "Albers\",GEOGCS[\"NAD83\",DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS"
+ "1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],"
+ "TOWGS84[0,0,0],AUTHORITY[\"EPSG\",\"6269\"]],"
+ "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
+ "UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],"
+ "AUTHORITY[\"EPSG\",\"4269\"]],"
+ "PROJECTION[\"Albers_Conic_Equal_Area\"],"
+ "PARAMETER[\"standard_parallel_1\",50],"
+ "PARAMETER[\"standard_parallel_2\",58.5],"
+ "PARAMETER[\"latitude_of_center\",45],"
+ "PARAMETER[\"longitude_of_center\",-126],"
+ "PARAMETER[\"false_easting\",1000000],"
+ "PARAMETER[\"false_northing\",0],"
+ "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],"
+ "AUTHORITY[\"EPSG\",\"3005\"]]");
// /////////////////////////////////////////////////////////////////
//
// CREATE MAP CONTEXT AND RENDERER
//
//
// /////////////////////////////////////////////////////////////////
final StreamingRenderer renderer = new StreamingRenderer();
renderer.setRendererHints(rendererHints);
renderer.setContext(map);
ReferencedEnvelope env = map.getLayerBounds();
env = new ReferencedEnvelope(env.getMinX() - 20, env.getMaxX() + 20,
env.getMinY() - 20, env.getMaxY() + 20,
DefaultGeographicCRS.WGS84);
final ReferencedEnvelope newbounds = env.transform(crs, true);
RendererBaseTest.showRender("testLineReprojection", renderer, 1000,
newbounds);
}
public void testPointReprojection() throws Exception {
// ///////////////////////////////////////////////////////////////////
//
// LOAD FEATURES
//
//
// /////////////////////////////////////////////////////////////////
LOGGER.finer("starting testLiteRender2");
final GeometryFactory geomFac = new GeometryFactory(
PackedCoordinateSequenceFactory.DOUBLE_FACTORY);
final SimpleFeatureCollection ft = createTestFeatureCollection(
DefaultGeographicCRS.WGS84, geomFac, POINT);
final Style style = createTestStyle();
//
// ///////////////////////////////////////////////////////////////////
//
// CREATE MAP CONTEXT AND RENDERER
//
//
// /////////////////////////////////////////////////////////////////
final MapContext map = new DefaultMapContext(DefaultGeographicCRS.WGS84);
map.addLayer(ft, style);
// ///////////////////////////////////////////////////////////////////
//
// CREATE A PROJECTED AOI
//
//
// /////////////////////////////////////////////////////////////////
// //
//
// Transform the area of interest
//
// //
final CoordinateReferenceSystem crs = CRS
.parseWKT("PROJCS[\"NAD83 / BC"
+ "Albers\",GEOGCS[\"NAD83\",DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS"
+ "1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],"
+ "TOWGS84[0,0,0],AUTHORITY[\"EPSG\",\"6269\"]],"
+ "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
+ "UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],"
+ "AUTHORITY[\"EPSG\",\"4269\"]],"
+ "PROJECTION[\"Albers_Conic_Equal_Area\"],"
+ "PARAMETER[\"standard_parallel_1\",50],"
+ "PARAMETER[\"standard_parallel_2\",58.5],"
+ "PARAMETER[\"latitude_of_center\",45],"
+ "PARAMETER[\"longitude_of_center\",-126],"
+ "PARAMETER[\"false_easting\",1000000],"
+ "PARAMETER[\"false_northing\",0],"
+ "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],"
+ "AUTHORITY[\"EPSG\",\"3005\"]]");
// /////////////////////////////////////////////////////////////////
//
// CREATE MAP CONTEXT AND RENDERER
//
//
// /////////////////////////////////////////////////////////////////
final StreamingRenderer renderer = new StreamingRenderer();
renderer.setRendererHints(rendererHints);
renderer.setContext(map);
ReferencedEnvelope env = map.getLayerBounds();
env = new ReferencedEnvelope(env.getMinX() - 20, env.getMaxX() + 20,
env.getMinY() - 20, env.getMaxY() + 20,
DefaultGeographicCRS.WGS84);
final ReferencedEnvelope newbounds = env.transform(crs, true);
RendererBaseTest.showRender("testPointReprojection", renderer, 1000,
newbounds);
}
/**
* Tests the layer definition query behavior as implemented by
* StreamingRenderer.
* <p>
* This method relies on the features created on
* createTestFeatureCollection()
* </p>
*
* @throws Exception
*/
public void testDefinitionQueryProcessing() throws Exception {
// LOGGER.info("starting definition query test");
// final SimpleFeatureCollection ft = createTestDefQueryFeatureCollection();
// final Style style = createDefQueryTestStyle();
// FeatureResults results;
// Envelope envelope = ft.getBounds();
//
// // we'll use this as the definition query for the layer
// Query layerQuery;
//
// MapLayer layer = new DefaultMapLayer(ft, style);
// MapContext map = new DefaultMapContext(new MapLayer[] { layer });
// map.setAreaOfInterest(envelope, ft.getFeatureType()
// .getDefaultGeometry().getCoordinateSystem());
// StreamingRenderer renderer = new StreamingRenderer();
// renderer.setContext(map);
// renderer.setRendererHints(rendererHints);
//
// // this is the reader that StreamingRenderer obtains after applying
// // the mixed filter to a given layer.
// Filter filter = Filter.INCLUDE;
// FilterFactory ffac = FilterFactoryFinder.createFilterFactory();
//
// // test maxFeatures, render just the first 2 features
// layerQuery = new DefaultQuery("querytest", filter, 2, null,
// "handle");
// layer.setQuery(layerQuery);
//
// results = renderer.queryLayer(layer,layer.getFeatureSource() ,
// layer.getFeatureSource() .getSchema(), null, envelope,
// DefaultGeographicCRS.WGS84, map.getCoordinateReferenceSystem(), null,
// null);
// assertEquals(2, results.getCount());
// // just the 3 geometric atts should get be loaded
// assertEquals(4, results.getSchema().getAttributeCount());
//
// RendererBaseTest.showRender("testDefinitionQuery1", renderer, 1000,
// null);
//
// // test attribute based filter
// FeatureType schema = ft.features().next().getFeatureType();
// filter = ffac.createCompareFilter(AbstractFilter.COMPARE_EQUALS);
// ((CompareFilter) filter).addLeftValue(ffac.createAttributeExpression(
// schema, "id"));
// ((CompareFilter) filter).addRightValue(ffac
// .createLiteralExpression("ft1"));
//
// // note we include the "id" field in the layer query. Bad practice,
// // since it goes
// // against
// // the performance gain of
// // renderer.setOptimizedDataLoadingEnabled(true),
// // but we should test it anyway
// layerQuery = new DefaultQuery("querytest", filter, Integer.MAX_VALUE,
// new String[] { "id" }, "handle");
// layer.setQuery(layerQuery);
//
// results = renderer.queryLayer(layer, null, envelope,
// DefaultGeographicCRS.WGS84);
// assertEquals(1, results.getCount());
// // the 4 atts should be loaded since the definition query includes
// "id"
// assertEquals(4, results.getSchema().getAttributeCount());
// // we can check this since we explicitly requested the "id"
// attribute.
// // If we not,
// // it would be not loaded
// String val = (String) results.reader().next().getAttribute("id");
// assertEquals("ft1", val);
//
// RendererBaseTest.showRender("testDefinitionQuery2", renderer, 1000,
// null);
//
// // try a bbox filter as definition query for the layer
// filter = null;
// GeometryFilter gfilter;
// // contains the first 2 features
// Envelope env = new Envelope(20, 130, 20, 130);
// gfilter = ffac.createGeometryFilter(AbstractFilter.GEOMETRY_BBOX);
// gfilter
// .addLeftGeometry(ffac
// .createAttributeExpression(schema, "point"));
// gfilter.addRightGeometry(ffac.createBBoxExpression(env));
// filter = gfilter;
//
// gfilter = ffac.createGeometryFilter(AbstractFilter.GEOMETRY_BBOX);
// gfilter.addLeftGeometry(ffac.createAttributeExpression(schema,
// "line"));
// gfilter.addRightGeometry(ffac.createBBoxExpression(env));
// filter = filter.or(gfilter);
//
// gfilter = ffac.createGeometryFilter(AbstractFilter.GEOMETRY_BBOX);
// gfilter.addLeftGeometry(ffac.createAttributeExpression(schema,
// "polygon"));
// gfilter.addRightGeometry(ffac.createBBoxExpression(env));
// filter = filter.or(gfilter);
//
// System.err.println("trying with filter: " + filter);
//
// layerQuery = new DefaultQuery("querytest", filter, Integer.MAX_VALUE,
// null, "handle");
// layer.setQuery(layerQuery);
//
// results = renderer.queryLayer(layer, null, envelope,
// DefaultGeographicCRS.WGS84);
// assertEquals(2, results.getCount());
// // the 4 atts should be loaded since the definition query includes
// "id"
// assertEquals(4, results.getSchema().getAttributeCount());
//
// RendererBaseTest.showRender("testDefinitionQuery3", renderer, 1000,
// null);
}
public void testDefinitionQuerySLDProcessing() throws Exception {
// final SimpleFeatureCollection ft = createTestDefQueryFeatureCollection();
// final Style style = createDefQueryTestStyle();
// FeatureResults results;
// Envelope envelope = ft.getBounds();
//
// // we'll use this as the definition query for the layer
// Query layerQuery;
//
// MapLayer layer = new DefaultMapLayer(ft, style);
// MapContext map = new DefaultMapContext(new MapLayer[] { layer });
// map.setAreaOfInterest(envelope);
// StreamingRenderer renderer = new StreamingRenderer();
// renderer.setContext(map);
// renderer.setRendererHints(rendererHints);
//
// // this is the reader that StreamingRenderer obtains after applying
// // the mixed filter to a given layer.
// FeatureReader<SimpleFeatureType, SimpleFeature> reader;
// Filter filter = Filter.INCLUDE;
// FilterFactory ffac = FilterFactoryFinder.createFilterFactory();
//
// // test maxFeatures, render just the first 2 features
// layerQuery = new DefaultQuery("querytest", filter);
// layer.setQuery(layerQuery);
//
// ArrayList rules = new ArrayList();
// ArrayList elseRules = new ArrayList();
// StyleBuilder builder = new StyleBuilder();
// Rule rule = builder.createRule(builder.createLineSymbolizer());
// rules.add(rule);
// rule.setFilter(
// // JD: remove this null parameter
// new AbstractFilterImpl(null) {
// int i = 0;
//
// public boolean evaluate(Feature feature) {
// i++;
// return i < 3;
// }
//
// // public void accept(FilterVisitor visitor) {
// // visitor.visit(this);
// // }
// public Object accept(
// org.opengis.filter.FilterVisitor visitor,
// Object extraData) {
// return extraData;
// }
// });
// LiteFeatureTypeStyle fts = new LiteFeatureTypeStyle(null, rules,
// elseRules);
//
// results = renderer.queryLayer(layer,
// new LiteFeatureTypeStyle[] { fts }, envelope,
// DefaultGeographicCRS.WGS84);
// assertEquals(2, results.getCount());
//
// elseRules.add(rule);
//
// fts = new LiteFeatureTypeStyle(null, rules, elseRules);
// results = renderer.queryLayer(layer,
// new LiteFeatureTypeStyle[] { fts }, envelope,
// DefaultGeographicCRS.WGS84);
// assertEquals(3, results.getCount());
}
private SimpleFeatureCollection createTestDefQueryFeatureCollection()
throws Exception {
MemoryDataStore data = new MemoryDataStore();
SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
builder.setName("querytest");
builder.add("id", String.class);
builder.add("point", Point.class);
builder.add("line", LineString.class);
builder.add("polygon", Polygon.class);
SimpleFeatureType type = builder.buildFeatureType();
GeometryFactory gf = new GeometryFactory();
SimpleFeature f;
LineString l;
Polygon p;
l = line(gf, new int[] { 20, 20, 100, 20, 100, 100 });
p = (Polygon) l.convexHull();
f = SimpleFeatureBuilder.build(type, new Object[] { "ft1", point(gf, 20, 20), l, p },
"test.1");
data.addFeature(f);
l = line(gf, new int[] { 130, 130, 110, 110, 110, 130, 30, 130 });
p = (Polygon) l.convexHull();
f = SimpleFeatureBuilder.build(type, new Object[] { "ft2", point(gf, 130, 130), l, p },
"test.2");
data.addFeature(f);
l = line(gf, new int[] { 150, 150, 190, 140, 190, 190 });
p = (Polygon) l.convexHull();
f = SimpleFeatureBuilder.build(type, new Object[] { "ft3", point(gf, 150, 150), l, p },
"test.3");
data.addFeature(f);
String typeName = type.getTypeName();
return data.getFeatureSource(typeName).getFeatures();
}
private Style createDefQueryTestStyle() throws IllegalFilterException {
StyleFactory sFac = StyleFactoryFinder.createStyleFactory();
PointSymbolizer pointsym = sFac.createPointSymbolizer();
pointsym.setGraphic(sFac.getDefaultGraphic());
pointsym.setGeometryPropertyName("point");
Rule rulep = sFac.createRule();
rulep.setSymbolizers(new Symbolizer[] { pointsym });
FeatureTypeStyle ftsP = sFac.createFeatureTypeStyle();
ftsP.setRules(new Rule[] { rulep });
ftsP.setFeatureTypeName("querytest");
LineSymbolizer linesym = sFac.createLineSymbolizer();
linesym.setGeometryPropertyName("line");
Stroke myStroke = sFac.getDefaultStroke();
myStroke.setColor(filterFactory.literal("#0000ff"));
myStroke
.setWidth(filterFactory.literal(new Integer(3)));
LOGGER.info("got new Stroke " + myStroke);
linesym.setStroke(myStroke);
Rule rule2 = sFac.createRule();
rule2.setSymbolizers(new Symbolizer[] { linesym });
FeatureTypeStyle ftsL = sFac.createFeatureTypeStyle();
ftsL.setRules(new Rule[] { rule2 });
ftsL.setFeatureTypeName("querytest");
PolygonSymbolizer polysym = sFac.createPolygonSymbolizer();
polysym.setGeometryPropertyName("polygon");
Fill myFill = sFac.getDefaultFill();
myFill.setColor(filterFactory.literal("#ff0000"));
polysym.setFill(myFill);
polysym.setStroke(sFac.getDefaultStroke());
Rule rule = sFac.createRule();
rule.setSymbolizers(new Symbolizer[] { polysym });
FeatureTypeStyle ftsPoly = sFac
.createFeatureTypeStyle(new Rule[] { rule });
// ftsPoly.setRules(new Rule[]{rule});
ftsPoly.setFeatureTypeName("querytest");
Style style = sFac.createStyle();
style
.setFeatureTypeStyles(new FeatureTypeStyle[] { ftsPoly, ftsL,
ftsP });
return style;
}
public LineString line(final GeometryFactory gf, int[] xy) {
Coordinate[] coords = new Coordinate[xy.length / 2];
for (int i = 0; i < xy.length; i += 2) {
coords[i / 2] = new Coordinate(xy[i], xy[i + 1]);
}
return gf.createLineString(coords);
}
public Point point(final GeometryFactory gf, int x, int y) {
Coordinate coord = new Coordinate(x, y);
return gf.createPoint(coord);
}
private Point makeSamplePoint(final GeometryFactory geomFac) {
Coordinate c = new Coordinate(xCenter - 14.0d, yCenter - 14.0d);
Point point = geomFac.createPoint(c);
return point;
}
private LineString makeSampleLineString(final GeometryFactory geomFac) {
Coordinate[] linestringCoordinates = new Coordinate[7];
linestringCoordinates[0] = new Coordinate(xCenter - 5.0d,
yCenter - 5.0d);
linestringCoordinates[1] = new Coordinate(xCenter - 6.0d,
yCenter - 5.0d);
linestringCoordinates[2] = new Coordinate(xCenter - 6.0d,
yCenter - 6.0d);
linestringCoordinates[3] = new Coordinate(xCenter - 7.0d,
yCenter - 6.0d);
linestringCoordinates[4] = new Coordinate(xCenter - 7.0d,
yCenter - 7.0d);
linestringCoordinates[5] = new Coordinate(xCenter - 8.0d,
yCenter - 7.0d);
linestringCoordinates[6] = new Coordinate(xCenter - 8.0d,
yCenter - 8.0d);
LineString line = geomFac.createLineString(linestringCoordinates);
return line;
}
private Polygon makeSamplePolygon(final GeometryFactory geomFac) {
Coordinate[] polygonCoordinates = new Coordinate[10];
polygonCoordinates[0] = new Coordinate(xCenter - 7, yCenter - 7);
polygonCoordinates[1] = new Coordinate(xCenter - 6, yCenter - 9);
polygonCoordinates[2] = new Coordinate(xCenter - 6, yCenter - 11);
polygonCoordinates[3] = new Coordinate(xCenter - 7, yCenter - 12);
polygonCoordinates[4] = new Coordinate(xCenter - 9, yCenter - 11);
polygonCoordinates[5] = new Coordinate(xCenter - 11, yCenter - 12);
polygonCoordinates[6] = new Coordinate(xCenter - 13, yCenter - 11);
polygonCoordinates[7] = new Coordinate(xCenter - 13, yCenter - 9);
polygonCoordinates[8] = new Coordinate(xCenter - 11, yCenter - 7);
polygonCoordinates[9] = new Coordinate(xCenter - 7, yCenter - 7);
try {
LinearRing ring = geomFac.createLinearRing(polygonCoordinates);
Polygon polyg = geomFac.createPolygon(ring, null);
return polyg;
} catch (TopologyException te) {
fail("Error creating sample polygon for testing " + te);
}
return null;
}
private GeometryCollection makeSampleGeometryCollection(
final GeometryFactory geomFac) {
try {
Geometry polyg = buildShiftedGeometry(makeSamplePolygon(geomFac),
50, 50);
Geometry lineString = buildShiftedGeometry(
makeSampleLineString(geomFac), 50, 50);
return geomFac.createGeometryCollection(new Geometry[] { polyg,
lineString });
} catch (TopologyException te) {
fail("Error creating sample polygon for testing " + te);
}
return null;
}
private LinearRing makeSampleLinearRing(final GeometryFactory geomFac) {
try {
Polygon polyg = (Polygon) buildShiftedGeometry(
makeSamplePolygon(geomFac), 0, 100);
return (LinearRing) polyg.getExteriorRing();
} catch (TopologyException te) {
fail("Error creating sample polygon for testing " + te);
}
return null;
}
private Geometry buildShiftedGeometry(Geometry g, double shiftX,
double shiftY) {
Geometry clone = (Geometry) g.clone();
Coordinate[] coords = clone.getCoordinates();
final int length = coords.length;
for (int i = 0; i < length; i++) {
Coordinate coord = coords[i];
coord.x += shiftX;
coord.y += shiftY;
}
return clone;
}
/**
* I am not sure this is really correct. We should check it with more care.
*
* @throws Exception
*/
public void testScaleCalc() throws Exception {
// 1388422.8746916912, 639551.3924667436
// 1407342.5139777814, 650162.7155794351
// 655,368
// some location in bc albers
CoordinateReferenceSystem crs = CRS
.parseWKT("PROJCS[\"NAD83 / BC"
+ "Albers\",GEOGCS[\"NAD83\",DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS"
+ "1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],"
+ "TOWGS84[0,0,0],AUTHORITY[\"EPSG\",\"6269\"]],"
+ "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
+ "UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],"
+ "AUTHORITY[\"EPSG\",\"4269\"]],"
+ "PROJECTION[\"Albers_Conic_Equal_Area\"],"
+ "PARAMETER[\"standard_parallel_1\",50],"
+ "PARAMETER[\"standard_parallel_2\",58.5],"
+ "PARAMETER[\"latitude_of_center\",45],"
+ "PARAMETER[\"longitude_of_center\",-126],"
+ "PARAMETER[\"false_easting\",1000000],"
+ "PARAMETER[\"false_northing\",0],"
+ "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],"
+ "AUTHORITY[\"EPSG\",\"3005\"]]");
ReferencedEnvelope envelope = new ReferencedEnvelope(
1388422.8746916912, 1407342.5139777814, 639551.3924667438,
650162.715579435, crs);
double s = RendererUtilities.calculateScale(envelope, 655, 368, 90.0);
LOGGER.info(Double.toString(s));
// assertTrue(Math.abs(102355 - s) < 10); // 102355.1639202933
}
public void testRenderEmptyLine() throws SchemaException, IllegalAttributeException {
GeometryFactory gf = new GeometryFactory();
StyleBuilder sb = new StyleBuilder();
SimpleFeatureType pointType = DataUtilities.createType("emptyLines", "geom:LineString,name:String");
SimpleFeature f = SimpleFeatureBuilder.build(pointType, new Object[] {gf.createLineString((Coordinate[]) null), "name" }, null);
Style style = sb.createStyle(sb.createLineSymbolizer());
renderEmptyGeometry(f, style);
}
public void testRenderEmptyCollection() throws SchemaException, IllegalAttributeException {
GeometryFactory gf = new GeometryFactory();
StyleBuilder sb = new StyleBuilder();
SimpleFeatureType pointType = DataUtilities.createType("emptyPolygon", "geom:MultiPolygon,name:String");
SimpleFeature f = SimpleFeatureBuilder.build(pointType, new Object[] {gf.createMultiPolygon((Polygon[]) null), "name" }, null);
Style style = sb.createStyle(sb.createPolygonSymbolizer());
renderEmptyGeometry(f, style);
}
public void testRenderCollectionWithEmptyItems() throws SchemaException, IllegalAttributeException {
GeometryFactory gf = new GeometryFactory();
StyleBuilder sb = new StyleBuilder();
SimpleFeatureType pointType = DataUtilities.createType("emptyPolygon", "geom:MultiPolygon,name:String");
Polygon p1 = gf.createPolygon(gf.createLinearRing((Coordinate[]) null), null);
Polygon p2 = gf.createPolygon(gf.createLinearRing(new Coordinate[] {new Coordinate(0,0),
new Coordinate(1, 1), new Coordinate(1, 0), new Coordinate(0,0)}), null);
MultiPolygon mp = gf.createMultiPolygon(new Polygon[] {p1, p2});
SimpleFeature f = SimpleFeatureBuilder.build(pointType, new Object[] {mp, "name" }, null);
Style style = sb.createStyle(sb.createPolygonSymbolizer());
renderEmptyGeometry(f, style);
}
public void testRenderPolygonEmptyRings() throws SchemaException, IllegalAttributeException {
GeometryFactory gf = new GeometryFactory();
StyleBuilder sb = new StyleBuilder();
SimpleFeatureType pointType = DataUtilities.createType("emptyRings", "geom:MultiPolygon,name:String");
LinearRing emptyRing = gf.createLinearRing((Coordinate[]) null);
LinearRing realRing = gf.createLinearRing(new Coordinate[] {new Coordinate(0,0),
new Coordinate(1, 1), new Coordinate(1, 0), new Coordinate(0,0)});
Polygon p1 = gf.createPolygon(realRing, new LinearRing[] {emptyRing});
Polygon p2 = gf.createPolygon(emptyRing, new LinearRing[] {emptyRing});
MultiPolygon mp = gf.createMultiPolygon(new Polygon[] {p1, p2});
SimpleFeature f = SimpleFeatureBuilder.build(pointType, new Object[] {mp, "name" }, null);
Style style = sb.createStyle(sb.createPolygonSymbolizer());
renderEmptyGeometry(f, style);
}
public void testMixedEmptyMultiLine() throws SchemaException, IllegalAttributeException {
GeometryFactory gf = new GeometryFactory();
StyleBuilder sb = new StyleBuilder();
SimpleFeatureType pointType = DataUtilities.createType("emptyRings", "geom:MultiLineString,name:String");
LineString emptyLine = gf.createLineString((Coordinate[]) null);
LineString realLine = gf.createLineString(new Coordinate[] {new Coordinate(0,0),
new Coordinate(1, 1)});
MultiLineString mls = gf.createMultiLineString(new LineString[] {emptyLine, realLine});
SimpleFeature f = SimpleFeatureBuilder.build(pointType, new Object[] {mls, "name" }, null);
Style style = sb.createStyle(sb.createPolygonSymbolizer());
renderEmptyGeometry(f, style);
}
private void renderEmptyGeometry(SimpleFeature f, Style style) {
SimpleFeatureCollection fc = DataUtilities.collection(f);
MapContext mc = new DefaultMapContext();
mc.addLayer(fc, style);
StreamingRenderer sr = new StreamingRenderer();
sr.setContext(mc);
BufferedImage bi = new BufferedImage(640, 480, BufferedImage.TYPE_4BYTE_ABGR);
sr.addRenderListener(new RenderListener() {
public void featureRenderer(SimpleFeature feature) {
}
public void errorOccurred(Exception e) {
e.printStackTrace();
fail("Got an exception during rendering, this should not happen, " +
"not even with emtpy geometries");
}
});
sr.paint((Graphics2D) bi.getGraphics(), new Rectangle(640, 480),
new ReferencedEnvelope(new Envelope(0, 10, 0, 10), DefaultGeographicCRS.WGS84));
}
}