/**
* Construct a query based on the state of the user interface controls, and possibly workbecnh.
*
* @return A catalog query
*/
Query createQuery() {
Query filter = new Query();
filter.text = text.getText();
if (filter.text == null || filter.text.length() == 0) {
text.setText("1500 Poydras St, New Orleans, LA"); // $NON-NLS-1$
}
filter.bbox = new Envelope();
if (bbox.getSelection()) {
// TODO get current editor
try {
IEditorPart editor = getSite().getPage().getActiveEditor();
Object obj = editor.getEditorInput();
Class mapType = obj.getClass();
Method get = mapType.getMethod("getExtent"); // $NON-NLS-1$
Object value = get.invoke(obj);
ReferencedEnvelope world = (ReferencedEnvelope) value;
filter.bbox = world.transform(DefaultGeographicCRS.WGS84, true);
} catch (Throwable t) {
LocationUIPlugin.log("ha ha", t); // $NON-NLS-1$
}
}
return filter;
}
private static ReferencedEnvelope toNativeCrs(
final GeneralEnvelope requestedEnvelope, final CoordinateReferenceSystem nativeCRS)
throws IllegalArgumentException {
ReferencedEnvelope reqEnv = toReferencedEnvelope(requestedEnvelope);
if (!CRS.equalsIgnoreMetadata(nativeCRS, reqEnv.getCoordinateReferenceSystem())) {
// we're being reprojected. We'll need to reproject reqEnv into
// our native coordsys
try {
// ReferencedEnvelope origReqEnv = reqEnv;
reqEnv = reqEnv.transform(nativeCRS, true);
} catch (FactoryException fe) {
// unable to reproject?
throw new IllegalArgumentException(
"Unable to find a reprojection from requested "
+ "coordsys to native coordsys for this request",
fe);
} catch (TransformException te) {
throw new IllegalArgumentException(
"Unable to perform reprojection from requested "
+ "coordsys to native coordsys for this request",
te);
}
}
return reqEnv;
}
public void testSkipProjectionErrors() throws Exception {
// build map context
MapContext mapContext = new DefaultMapContext(DefaultGeographicCRS.WGS84);
mapContext.addLayer(createLineCollection(), createLineStyle());
// build projected envelope to work with (small one around the area of
// validity of utm zone 1, which being a Gauss projection is a vertical
// slice parallel to the central meridian, -177°)
ReferencedEnvelope reWgs =
new ReferencedEnvelope(new Envelope(-180, -170, 20, 40), DefaultGeographicCRS.WGS84);
CoordinateReferenceSystem utm1N = CRS.decode("EPSG:32601");
System.out.println(CRS.getGeographicBoundingBox(utm1N));
ReferencedEnvelope reUtm = reWgs.transform(utm1N, true);
BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_4BYTE_ABGR);
// setup the renderer and listen for errors
StreamingRenderer sr = new StreamingRenderer();
sr.setRendererHints(Collections.singletonMap(sr.OPTIMIZED_DATA_LOADING_KEY, Boolean.FALSE));
sr.setContext(mapContext);
sr.addRenderListener(
new RenderListener() {
public void featureRenderer(SimpleFeature feature) {}
public void errorOccurred(Exception e) {
e.printStackTrace();
errors++;
}
});
errors = 0;
sr.paint((Graphics2D) image.getGraphics(), new Rectangle(200, 200), reUtm);
// we should get two errors since there are two features that cannot be
// projected but the renderer itself should not throw exceptions
assertEquals(2, errors);
}
protected Polygon toPolygon(ReferencedEnvelope env2) {
ReferencedEnvelope env = env2;
if (env == null) env = new ReferencedEnvelope(-180, 180, -90, 90, DefaultGeographicCRS.WGS84);
AttributeDescriptor att = mapper.getSchema().getDescriptor(mapper.getBounds());
CoordinateReferenceSystem crs = null;
if (att instanceof GeometryDescriptor)
crs = ((GeometryDescriptor) att).getCoordinateReferenceSystem();
if (crs == null) crs = DefaultGeographicCRS.WGS84;
GeometryFactory factory = new GeometryFactory();
try {
env = env.transform(crs, true);
} catch (Exception e) {
IssuesActivator.log("", e); // $NON-NLS-1$
}
return factory.createPolygon(
factory.createLinearRing(
new Coordinate[] {
new Coordinate(env.getMinX(), env.getMinY()),
new Coordinate(env.getMaxX(), env.getMinY()),
new Coordinate(env.getMaxX(), env.getMaxY()),
new Coordinate(env.getMinX(), env.getMaxY()),
new Coordinate(env.getMinX(), env.getMinY()),
}),
new LinearRing[0]);
}
@Test
public void testEventAfterDrawing() throws Exception {
// build map context
MapContent mc = new MapContent();
mc.addLayer(new FeatureLayer(createLineCollection(), createLineStyle()));
// build projected envelope to work with (small one around the area of
// validity of utm zone 1, which being a Gauss projection is a vertical
// slice parallel to the central meridian, -177°)
ReferencedEnvelope reWgs =
new ReferencedEnvelope(new Envelope(-180, -170, 20, 40), DefaultGeographicCRS.WGS84);
CoordinateReferenceSystem utm1N = CRS.decode("EPSG:32601");
ReferencedEnvelope reUtm = reWgs.transform(utm1N, true);
BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_4BYTE_ABGR);
// setup the renderer and listen for errors
final AtomicInteger commandsCount = new AtomicInteger(0);
final BlockingQueue<RenderingRequest> queue =
new ArrayBlockingQueue<RenderingRequest>(10) {
@Override
public void put(RenderingRequest e) throws InterruptedException {
commandsCount.incrementAndGet();
super.put(e);
}
};
StreamingRenderer sr =
new StreamingRenderer() {
@Override
protected BlockingQueue<RenderingRequest> getRequestsQueue() {
return queue;
}
};
sr.setMapContent(mc);
sr.addRenderListener(
new RenderListener() {
public void featureRenderer(SimpleFeature feature) {
assertTrue(commandsCount.get() > 0);
features++;
}
public void errorOccurred(Exception e) {
errors++;
}
});
errors = 0;
features = 0;
sr.paint((Graphics2D) image.getGraphics(), new Rectangle(200, 200), reUtm);
// we should get errors since there are two features that cannot be
// projected but the renderer itself should not throw exceptions
assertTrue(errors > 0);
}
private ReferencedEnvelope createProjectedFilter(ObjectId metadataId) {
final ReferencedEnvelope boundsFilter = this.boundsFilter;
RevFeatureType featureType = ftypeSource.getFeatureType(metadataId);
CoordinateReferenceSystem nativeCrs = featureType.type().getCoordinateReferenceSystem();
if (null == nativeCrs || nativeCrs instanceof DefaultEngineeringCRS) {
return boundsFilter;
}
ReferencedEnvelope transformedFilter;
try {
transformedFilter = boundsFilter.transform(nativeCrs, true);
} catch (TransformException | FactoryException e) {
throw Throwables.propagate(e);
}
return transformedFilter;
}
public void removeFeatures(Filter filter) throws IOException {
// this we can optimize, it's a matter of mass updating the last
// revisions (and before that, we have to compute the modified envelope)
Filter versionedFilter =
(Filter) store.buildVersionedFilter(schema.getTypeName(), filter, new RevisionInfo());
// deal with the transaction, are we playing with auto commit or long running?
Transaction t = getTransaction();
boolean autoCommit = false;
if (Transaction.AUTO_COMMIT.equals(t)) {
t = new DefaultTransaction();
autoCommit = true;
}
VersionedJdbcTransactionState state = store.wrapped.getVersionedJdbcTransactionState(t);
// we need to mark the modified bounds and store their wgs84 version into the transaction
ReferencedEnvelope bounds =
locking.getBounds(new DefaultQuery(schema.getTypeName(), versionedFilter));
if (bounds != null) {
if (bounds.getCoordinateReferenceSystem() == null) {
bounds = new ReferencedEnvelope(bounds, getSchema().getCoordinateReferenceSystem());
}
try {
ReferencedEnvelope wgsBounds = null;
if (bounds.getCoordinateReferenceSystem() != null)
wgsBounds = bounds.transform(DefaultGeographicCRS.WGS84, true);
else wgsBounds = bounds;
state.expandDirtyBounds(wgsBounds);
state.setTypeNameDirty(schema.getTypeName());
} catch (Exception e) {
throw new DataSourceException(
"Problems computing and storing the " + "bounds affected by this feature removal", e);
}
}
// now we can run the update
locking.modifyFeatures(
locking.getSchema().getDescriptor("expired"),
new Long(state.getRevision()),
versionedFilter);
// if it's auto commit, don't forget to actually commit
if (autoCommit) {
t.commit();
t.close();
}
store.listenerManager.fireFeaturesRemoved(schema.getTypeName(), t, bounds, false);
}
/**
* Using the viewport bounds and combined wms layer extents, determines an appropriate bounding
* box by projecting the viewport into the request CRS, intersecting the bounds, and returning the
* result.
*
* @param wmsLayers all adjacent wms layers we are requesting
* @param viewport map editor bounds and crs
* @param requestCRS coordinate reference system supported by the server
* @return the bbox to ask the server for
* @throws MismatchedDimensionException
* @throws TransformException
* @throws FactoryException
*/
public static ReferencedEnvelope calculateRequestBBox(
List<Layer> wmsLayers,
ReferencedEnvelope viewport,
CoordinateReferenceSystem requestCRS,
String version)
throws MismatchedDimensionException, TransformException, FactoryException {
/* The bounds of all wms layers on this server combined */
ReferencedEnvelope layersBBox = getLayersBoundingBox(requestCRS, wmsLayers, version);
if (isEnvelopeNull(layersBBox)) {
// the wms server has no bounds
WMSPlugin.log("Zero width/height envelope: wmsLayers = " + layersBBox); // $NON-NLS-1$
layersBBox = null;
// alternatively, we could impose a reprojected -180,180,-90,90
}
/* The viewport bounds projected to the request crs */
ReferencedEnvelope reprojectedViewportBBox = viewport.transform(requestCRS, true);
if (isEnvelopeNull(reprojectedViewportBBox)) {
// viewport couldn't be reprojected
WMSPlugin.log(
"Zero width/height envelope: reprojected viewport from "
+ viewport //$NON-NLS-1$
+ " to "
+ requestCRS
+ " returned "
+ reprojectedViewportBBox); //$NON-NLS-1$ //$NON-NLS-2$
}
// alternative for better accuracy: new ReferencedEnvelope(JTS.transform(viewport, null,
// CRS.findMathTransform(viewportCRS, crs, true), 4), crs);
/* The intersection of the viewport and the combined wms layers */
Envelope interestBBox;
if (layersBBox == null) {
interestBBox = reprojectedViewportBBox;
} else {
interestBBox = reprojectedViewportBBox.intersection(layersBBox);
}
if (isEnvelopeNull(interestBBox)) {
// outside of bounds, do not draw
WMSPlugin.trace(
"Bounds of the data are outside the bounds of the viewscreen."); //$NON-NLS-1$
return NILL_BOX;
}
/* The bounds of the request we are going to make */
ReferencedEnvelope requestBBox = new ReferencedEnvelope(interestBBox, requestCRS);
return requestBBox;
}
private ReferencedEnvelope createSearchEnv(DirectPosition2D pos, double radius) {
final CoordinateReferenceSystem contextCRS = getMapContext().getCoordinateReferenceSystem();
ReferencedEnvelope env =
new ReferencedEnvelope(
pos.x - radius, pos.x + radius, pos.y - radius, pos.y + radius, contextCRS);
if (isTransformRequired()) {
CoordinateReferenceSystem layerCRS =
layerRef.get().getFeatureSource().getSchema().getCoordinateReferenceSystem();
try {
env = env.transform(layerCRS, true);
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
return env;
}
@Test
public void testTruncateByBounds() throws Exception {
String layerName = tileLayer.getName();
ReferencedEnvelope bounds;
// bounds outside layer bounds (which are -180,0,0,90)
bounds = new ReferencedEnvelope(10, 20, 10, 20, DefaultGeographicCRS.WGS84);
BoundingBox layerBounds = tileLayer.getGridSubset("EPSG:4326").getGridSet().getOriginalExtent();
assertFalse(bounds.intersects(layerBounds.getMinX(), layerBounds.getMinY()));
assertFalse(bounds.intersects(layerBounds.getMaxX(), layerBounds.getMaxY()));
mediator.truncate(layerName, bounds);
verify(tileBreeder, never()).dispatchTasks(any(GWCTask[].class));
// bounds intersecting layer bounds
bounds = new ReferencedEnvelope(-10, -10, 10, 10, DefaultGeographicCRS.WGS84);
mediator.truncate(layerName, bounds);
int numGridsets = tileLayer.getGridSubsets().size();
int numFormats = tileLayer.getMimeTypes().size();
int numStyles = 1 /* default */ + tileLayer.getInfo().cachedStyles().size();
final int expected = numGridsets * numFormats * numStyles;
verify(tileBreeder, times(expected)).dispatchTasks(any(GWCTask[].class));
reset(tileBreeder);
bounds = bounds.transform(CRS.decode("EPSG:900913"), true);
mediator.truncate(layerName, bounds);
verify(tileBreeder, times(expected)).dispatchTasks(any(GWCTask[].class));
reset(tileBreeder);
bounds = mediator.getAreaOfValidity(CRS.decode("EPSG:2083")); // Terra del Fuego
mediator.truncate(layerName, bounds);
verify(tileBreeder, never()).dispatchTasks(any(GWCTask[].class));
reset(tileBreeder);
bounds = mediator.getAreaOfValidity(CRS.decode("EPSG:26986")); // Massachussets
mediator.truncate(layerName, bounds);
verify(tileBreeder, times(expected)).dispatchTasks(any(GWCTask[].class));
}
/**
* Sets the bounds on the viewport model. This may be overridden. This implementation will set the
* model to {@link #boundsToDisplay} if it is non-null otherwise will use the scale denominator.
* Or if the scaleDenominator is <1 it will zoom to the model's current bounds.
*
* @param model the viewport model to set the bounds on.
* @param currentBounds the bounds of the original map
*/
public void setBounds(ViewportModel model, ReferencedEnvelope currentBounds) {
if (boundsToDisplay != null) {
ReferencedEnvelope destinationBox = boundsToDisplay;
try {
destinationBox = boundsToDisplay.transform(model.getCRS(), true);
} catch (TransformException e) {
ProjectUIPlugin.log(
"Unable to transform to the viewport's CRS (ApplicationGIS#drawMap()", e);
} catch (FactoryException e) {
ProjectUIPlugin.log(
"Unable to transform to the viewport's CRS (ApplicationGIS#drawMap()", e);
}
model.zoomToBox(destinationBox);
} else {
model.setBounds(currentBounds);
if (scaleDenominator > 0) {
model.setScale(scaleDenominator);
}
}
}
private ReferencedEnvelope calcLayersBounds(
Collection<ILayer> layers, CoordinateReferenceSystem crs, IProgressMonitor monitor)
throws Exception {
log.debug("### mapCRS: " + crs); // $NON-NLS-1$
ReferencedEnvelope result = null; // new ReferencedEnvelope( crs );
for (ILayer layer : layers) {
try {
IGeoResource res = layer.getGeoResource();
if (res == null) {
continue;
}
ReferencedEnvelope bbox =
SetLayerBoundsOperation.obtainBoundsFromResources(layer, crs, monitor);
if (!bbox.getCoordinateReferenceSystem().equals(crs)) {
bbox = bbox.transform(crs, true);
}
log.debug("layer: " + layer + ", bbox= " + bbox); // $NON-NLS-1$ //$NON-NLS-2$
if (result == null) {
result = bbox;
} else {
result.expandToInclude(bbox);
}
log.debug("result: bbox= " + result); // $NON-NLS-1$
} catch (Exception e) {
// XXX mark layers!?
log.debug("", e); // $NON-NLS-1$
log.warn(
"skipping layer: " + layer.getLabel() + " (" + e.toString(),
e); //$NON-NLS-1$ //$NON-NLS-2$
layer.setLayerStatus(
new LayerStatus(
Status.WARNING,
LayerStatus.UNSPECIFIED,
Messages.get("LayerStatus_noCrs"),
e)); //$NON-NLS-1$
}
}
return result != null ? result : ReferencedEnvelope.EVERYTHING.transform(crs, true);
}
@Test
public void testTransformReproject() throws Exception {
// grab the style
Style style = RendererBaseTest.loadStyle(this, "reproject-rt.sld");
// grab the data
File property = new File(TestData.getResource(this, "point.properties").toURI());
PropertyDataStore ds = new PropertyDataStore(property.getParentFile());
FeatureSource fs = ds.getFeatureSource("point");
// prepare a feature layer with a query and the rendering tx
FeatureLayer layer = new FeatureLayer(fs, style);
// prepare a bbox in UTM-32N
ReferencedEnvelope reWgs84 = new ReferencedEnvelope(0, 12, 0, 12, CRS.decode("EPSG:4326"));
ReferencedEnvelope reUTM32N = reWgs84.transform(CRS.decode("EPSG:3857"), true);
// render it
MapContent mc = new MapContent();
mc.addLayer(layer);
StreamingRenderer renderer = new StreamingRenderer();
final AtomicInteger counter = new AtomicInteger();
renderer.addRenderListener(
new RenderListener() {
@Override
public void featureRenderer(SimpleFeature feature) {
counter.incrementAndGet();
}
@Override
public void errorOccurred(Exception e) {}
});
renderer.setMapContent(mc);
BufferedImage image =
RendererBaseTest.showRender("Lines with circle stroke", renderer, TIME, reUTM32N);
// if everything went fine we rendered all the features
assertEquals(10, counter.get());
assertEquals(Color.RED, getPixelColor(image, image.getWidth() / 2, image.getHeight() / 2));
}
/**
* Gets a feature iterator on the results of a BBox query. BBox is used because intersects
* occasionally throws a Side-conflict error so it is not a good query.
*
* <p>However maybe a better way is to try intersects then if that fails do a bbox? For now we do
* bbox and test it with intersects
*
* @return Pair of an option containing the first feature if it exists, and an iterator with the
* rest
*/
private FeatureIterator<SimpleFeature> getFeatureIterator() throws IOException {
ILayer editLayer = parameters.handler.getEditLayer();
FeatureStore<SimpleFeatureType, SimpleFeature> store = getResource(editLayer);
// transforms the bbox to the layer crs
ReferencedEnvelope bbox = handler.getContext().getBoundingBox(event.getPoint(), SEARCH_SIZE);
try {
bbox = bbox.transform(parameters.handler.getEditLayer().getCRS(), true);
} catch (TransformException e) {
logTransformationWarning(e);
} catch (FactoryException e) {
logTransformationWarning(e);
}
// creates a bbox filter using the bbox in the layer crs and grabs the features present in this
// bbox
Filter createBBoxFilter = createBBoxFilter(bbox, editLayer, filterType);
FeatureCollection<SimpleFeatureType, SimpleFeature> collection =
store.getFeatures(createBBoxFilter);
FeatureIterator<SimpleFeature> reader =
new IntersectTestingIterator(bbox, collection.features());
return reader;
}
@Test
public void testTransformReprojectedGridCoverage() throws Exception {
Style style = RendererBaseTest.loadStyle(this, "coverageCenter.sld");
GeoTiffReader reader = new GeoTiffReader(TestData.copy(this, "geotiff/world.tiff"));
MapContent mc = new MapContent();
mc.addLayer(new GridCoverageLayer(reader.read(null), style));
StreamingRenderer renderer = new StreamingRenderer();
renderer.setMapContent(mc);
ReferencedEnvelope reWgs84 =
new ReferencedEnvelope(-70, 70, -160, 160, CRS.decode("EPSG:4326"));
ReferencedEnvelope re = reWgs84.transform(CRS.decode("EPSG:3857"), true);
BufferedImage image =
RendererBaseTest.showRender("Lines with circle stroke", renderer, TIME, re);
// if everything worked we are going to have a red dot in the middle of the map
assertEquals(Color.RED, getPixelColor(image, image.getWidth() / 2, image.getHeight() / 2));
assertEquals(Color.WHITE, getPixelColor(image, image.getWidth() / 4, image.getHeight() / 2));
assertEquals(Color.WHITE, getPixelColor(image, image.getWidth() / 2, image.getHeight() / 4));
assertEquals(Color.WHITE, getPixelColor(image, image.getWidth() / 4, image.getHeight() / 4));
}
/**
* This method tries to automatically determine SRS, bounding box and output size based on the
* layers provided by the user and any other parameters.
*
* <p>If bounds are not specified by the user, they are automatically se to the union of the
* bounds of all layers.
*
* <p>The size of the output image defaults to 512 pixels, the height is automatically determined
* based on the width to height ratio of the requested layers. This is also true if either height
* or width are specified by the user. If both height and width are specified by the user, the
* automatically determined bounding box will be adjusted to fit inside these bounds.
*
* <p>General idea 1) Figure out whether SRS has been specified, fall back to EPSG:4326 2)
* Determine whether all requested layers use the same SRS, - if so, try to do bounding box
* calculations in native coordinates 3) Aggregate the bounding boxes (in EPSG:4326 or native) 4a)
* If bounding box has been specified, adjust height of image to match 4b) If bounding box has not
* been specified, but height has, adjust bounding box
*/
public static void autoSetBoundsAndSize(GetMapRequest getMap) {
// Get the layers
List<MapLayerInfo> layers = getMap.getLayers();
/** 1) Check what SRS has been requested */
String reqSRS = getMap.getSRS();
// if none, try to determine which SRS to use
// and keep track of whether we can use native all the way
boolean useNativeBounds = true;
if (reqSRS == null) {
reqSRS = guessCommonSRS(layers);
forceSRS(getMap, reqSRS);
}
/** 2) Compare requested SRS */
for (int i = 0; useNativeBounds && i < layers.size(); i++) {
if (layers.get(i) != null) {
String layerSRS = layers.get(i).getSRS();
useNativeBounds =
reqSRS.equalsIgnoreCase(layerSRS)
&& layers.get(i).getResource().getNativeBoundingBox() != null;
} else {
useNativeBounds = false;
}
}
CoordinateReferenceSystem reqCRS;
try {
reqCRS = CRS.decode(reqSRS);
} catch (Exception e) {
throw new ServiceException(e);
}
// Ready to determine the bounds based on the layers, if not specified
Envelope aggregateBbox = getMap.getBbox();
boolean specifiedBbox = true;
// If bbox is not specified by request
if (aggregateBbox == null) {
specifiedBbox = false;
// Get the bounding box from the layers
for (int i = 0; i < layers.size(); i++) {
MapLayerInfo layerInfo = layers.get(i);
ReferencedEnvelope curbbox;
try {
curbbox = layerInfo.getLatLongBoundingBox();
if (useNativeBounds) {
ReferencedEnvelope nativeBbox = layerInfo.getBoundingBox();
if (nativeBbox == null) {
try {
CoordinateReferenceSystem nativeCrs = layerInfo.getCoordinateReferenceSystem();
nativeBbox = curbbox.transform(nativeCrs, true);
} catch (Exception e) {
throw new ServiceException("Best effort native bbox computation failed", e);
}
}
curbbox = nativeBbox;
}
} catch (Exception e) {
throw new RuntimeException(e);
}
if (aggregateBbox != null) {
aggregateBbox.expandToInclude(curbbox);
} else {
aggregateBbox = curbbox;
}
}
ReferencedEnvelope ref = null;
// Reproject back to requested SRS if we have to
if (!useNativeBounds && !reqSRS.equalsIgnoreCase(SRS)) {
try {
ref = new ReferencedEnvelope(aggregateBbox, CRS.decode("EPSG:4326"));
aggregateBbox = ref.transform(reqCRS, true);
} catch (ProjectionException pe) {
ref.expandBy(-1 * ref.getWidth() / 50, -1 * ref.getHeight() / 50);
try {
aggregateBbox = ref.transform(reqCRS, true);
} catch (FactoryException e) {
e.printStackTrace();
} catch (TransformException e) {
e.printStackTrace();
}
// And again...
} catch (NoSuchAuthorityCodeException e) {
e.printStackTrace();
} catch (TransformException e) {
e.printStackTrace();
} catch (FactoryException e) {
e.printStackTrace();
}
}
}
// Just in case
if (aggregateBbox == null) {
forceSRS(getMap, DefaultWebMapService.SRS);
aggregateBbox = DefaultWebMapService.BBOX;
}
// Start the processing of adjust either the bounding box
// or the pixel height / width
double bbheight = aggregateBbox.getHeight();
double bbwidth = aggregateBbox.getWidth();
double bbratio = bbwidth / bbheight;
double mheight = getMap.getHeight();
double mwidth = getMap.getWidth();
if (mheight > 0.5 && mwidth > 0.5 && specifiedBbox) {
// This person really doesnt want our help,
// we'll warp it any way they like it...
} else {
if (mheight > 0.5 && mwidth > 0.5) {
// Fully specified, need to adjust bbox
double mratio = mwidth / mheight;
// Adjust bounds to be less than ideal to meet spec
if (bbratio > mratio) {
// Too wide, need to increase height of bb
double diff = ((bbwidth / mratio) - bbheight) / 2;
aggregateBbox.expandBy(0, diff);
} else {
// Too tall, need to increase width of bb
double diff = ((bbheight * mratio) - bbwidth) / 2;
aggregateBbox.expandBy(diff, 0);
}
adjustBounds(reqSRS, aggregateBbox);
} else if (mheight > 0.5) {
mwidth = bbratio * mheight;
} else {
if (mwidth > 0.5) {
mheight = (mwidth / bbratio >= 1) ? mwidth / bbratio : 1;
} else {
if (bbratio > 1) {
mwidth = MAX_SIDE;
mheight = (mwidth / bbratio >= 1) ? mwidth / bbratio : 1;
} else {
mheight = MAX_SIDE;
mwidth = (mheight * bbratio >= 1) ? mheight * bbratio : 1;
}
// make sure OL output height is sufficient to show the OL scale bar fully
if (mheight < MIN_OL_HEIGHT
&& ("application/openlayers".equalsIgnoreCase(getMap.getFormat())
|| "openlayers".equalsIgnoreCase(getMap.getFormat()))) {
mheight = MIN_OL_HEIGHT;
mwidth = (mheight * bbratio >= 1) ? mheight * bbratio : 1;
}
}
}
// Actually set the bounding box and size of image
getMap.setBbox(aggregateBbox);
getMap.setWidth((int) mwidth);
getMap.setHeight((int) mheight);
}
}
public synchronized void render(
Graphics2D destination, ReferencedEnvelope bounds, IProgressMonitor monitor)
throws RenderException {
int endLayerStatus = ILayer.DONE;
try {
if (bounds == null || bounds.isNull()) {
bounds = getContext().getImageBounds();
}
if (monitor.isCanceled()) return;
getContext().setStatus(ILayer.WAIT);
WebMapServer wms = getWMS();
GetMapRequest request = wms.createGetMapRequest();
// put in default exception format we understand as a client
// (if suppoted by the server)
WMSCapabilities capabilities = wms.getCapabilities();
if (capabilities
.getRequest()
.getGetMap()
.getFormats()
.contains(GetMapRequest.EXCEPTION_XML)) {
request.setExceptions(GetMapRequest.EXCEPTION_XML);
}
setImageFormat(wms, request);
if (monitor.isCanceled()) return;
double currScale = getContext().getViewportModel().getScaleDenominator();
List<ILayer> layers = getLayers();
for (int i = layers.size() - 1; i >= 0; i--) {
ILayer ilayer = layers.get(i);
Layer layer;
double minScale = 0;
double maxScale = Double.MAX_VALUE;
layer = ilayer.getResource(org.geotools.data.ows.Layer.class, null);
// check if there are min/max scale rules
StyleBlackboard sb = (StyleBlackboard) ilayer.getStyleBlackboard();
Style style = (Style) sb.lookup(Style.class);
if (style != null) {
Rule rule = style.getFeatureTypeStyles()[0].getRules()[0];
minScale = rule.getMinScaleDenominator();
maxScale = rule.getMaxScaleDenominator();
}
if (currScale >= minScale && currScale <= maxScale) {
// check for a wms style
StyleImpl wmsStyle =
(StyleImpl) ilayer.getStyleBlackboard().get(WMSStyleContent.WMSSTYLE);
if (wmsStyle != null) {
request.addLayer(layer, wmsStyle);
} else {
request.addLayer(layer);
}
}
}
if (monitor.isCanceled()) return;
List<Layer> wmsLayers = getWMSLayers();
if (wmsLayers == null || wmsLayers.isEmpty()) {
endLayerStatus = ILayer.WARNING;
return;
}
// figure out request CRS
String requestCRScode = findRequestCRS(wmsLayers, getViewportCRS(), getContext().getMap());
// TODO: make findRequestCRS more efficient (we are running CRS.decode at *least* twice)
CoordinateReferenceSystem requestCRS = CRS.decode(requestCRScode);
// figure out viewport
// ReferencedEnvelope viewport;
// Envelope viewportBBox = getViewportBBox();
// CoordinateReferenceSystem viewportCRS = getViewportCRS();
// if (viewportBBox == null) {
// // change viewport to world
// viewportBBox = new Envelope(-180, 180, -90, 90);
// if (!DefaultGeographicCRS.WGS84.equals(viewportCRS)) { // reproject
// viewport = new ReferencedEnvelope(viewportBBox,
// DefaultGeographicCRS.WGS84);
// viewportBBox = viewport.transform(viewportCRS, true);
// }
// }
ReferencedEnvelope requestBBox = null;
Envelope backprojectedBBox = null; // request bbox projected to the viewport crs
// viewport = new ReferencedEnvelope(viewportBBox, viewportCRS);
// requestBBox = calculateRequestBBox(wmsLayers, viewport, requestCRS);
requestBBox = calculateRequestBBox(wmsLayers, bounds, requestCRS, capabilities.getVersion());
// check that a request is needed (not out of a bounds, invalid, etc)
if (requestBBox == NILL_BOX) {
endLayerStatus = ILayer.WARNING;
return;
}
assert requestBBox.getCoordinateReferenceSystem().equals(requestCRS);
if (requestBBox.getCoordinateReferenceSystem().equals(getViewportCRS())) {
backprojectedBBox = (Envelope) requestBBox;
} else {
backprojectedBBox = (Envelope) requestBBox.transform(getViewportCRS(), true);
}
if (WMSPlugin.isDebugging(Trace.RENDER)) {
WMSPlugin.trace("Viewport CRS: " + getViewportCRS().getName()); // $NON-NLS-1$
WMSPlugin.trace("Request CRS: " + requestCRS.getName()); // $NON-NLS-1$
WMSPlugin.trace("Context Image bounds: " + getContext().getImageBounds()); // $NON-NLS-1$
WMSPlugin.trace("Request BBox bounds: " + requestBBox); // $NON-NLS-1$
WMSPlugin.trace("Backprojected request bounds: " + backprojectedBBox); // $NON-NLS-1$
}
Service wmsService = capabilities.getService();
Dimension maxDimensions = new Dimension(wmsService.getMaxWidth(), wmsService.getMaxHeight());
// Dimension imageDimensions =
// calculateImageDimensions(getContext().getMapDisplay()
// .getDisplaySize(), maxDimensions, getViewportBBox(), backprojectedBBox);
Dimension imageDimensions =
calculateImageDimensions(
getContext().getImageSize(), maxDimensions, bounds, backprojectedBBox);
if (imageDimensions.height < 1 || imageDimensions.width < 1) {
endLayerStatus = ILayer.WARNING;
return;
}
request.setDimensions(
imageDimensions.width + "", imageDimensions.height + ""); // $NON-NLS-1$ //$NON-NLS-2$
// epsg could be under identifiers or authority.
Set<ReferenceIdentifier> identifiers = requestCRS.getIdentifiers();
String srs = identifiers.isEmpty() ? EPSG_4326 : identifiers.iterator().next().toString();
request.setSRS(srs); // EPSG_4326
request.setBBox(requestBBox);
// request.setBBox(requestBBox.getMinX() + "," + requestBBox.getMinY()+ "," +
// requestBBox.getMaxX()+ "," + requestBBox.getMaxY());
if (monitor.isCanceled()) return;
setFilter(wms, request);
// request.setProperty("DACS_ACS", null);
BufferedImage image = readImage(wms, request, monitor);
if (monitor.isCanceled()) return;
if (image == null) {
Exception e = new RuntimeException(Messages.BasicWMSRenderer2_unable_to_decode_image);
throw wrapException(e);
}
// backprojectedBBox or viewportBBox
renderGridCoverage(destination, backprojectedBBox, imageDimensions, requestBBox, image);
} catch (Exception e) {
if (e instanceof RenderException) throw (RenderException) e;
throw new RenderException(e);
} finally {
getContext().setStatus(endLayerStatus);
if (endLayerStatus == ILayer.DONE) {
// clear the status message (rendering was successful)
getContext().setStatusMessage(null);
}
}
}
/**
* Loads the feature collection based on the current styling and the scale denominator. If no
* feature is going to be returned a null feature collection will be returned instead
*
* @param featureSource
* @param layer
* @param mapContent
* @param wms
* @param scaleDenominator
* @return
* @throws Exception
*/
public static SimpleFeatureCollection loadFeatureCollection(
SimpleFeatureSource featureSource,
Layer layer,
WMSMapContent mapContent,
WMS wms,
double scaleDenominator)
throws Exception {
SimpleFeatureType schema = featureSource.getSchema();
Envelope envelope = mapContent.getRenderingArea();
ReferencedEnvelope aoi =
new ReferencedEnvelope(envelope, mapContent.getCoordinateReferenceSystem());
CoordinateReferenceSystem sourceCrs = schema.getCoordinateReferenceSystem();
boolean reprojectBBox =
(sourceCrs != null)
&& !CRS.equalsIgnoreMetadata(aoi.getCoordinateReferenceSystem(), sourceCrs);
if (reprojectBBox) {
aoi = aoi.transform(sourceCrs, true);
}
Filter filter = createBBoxFilter(schema, aoi);
// now build the query using only the attributes and the bounding
// box needed
Query q = new Query(schema.getTypeName());
q.setFilter(filter);
// now, if a definition query has been established for this layer,
// be sure to respect it by combining it with the bounding box one.
Query definitionQuery = layer.getQuery();
if (definitionQuery != Query.ALL) {
if (q == Query.ALL) {
q = (Query) definitionQuery;
} else {
q = (Query) DataUtilities.mixQueries(definitionQuery, q, "KMLEncoder");
}
}
// handle startIndex requested by client query
q.setStartIndex(definitionQuery.getStartIndex());
// check the regionating strategy
RegionatingStrategy regionatingStrategy = null;
String stratname = (String) mapContent.getRequest().getFormatOptions().get("regionateBy");
if (("auto").equals(stratname)) {
Catalog catalog = wms.getGeoServer().getCatalog();
Name name = layer.getFeatureSource().getName();
stratname =
catalog
.getFeatureTypeByName(name)
.getMetadata()
.get("kml.regionateStrategy", String.class);
if (stratname == null || "".equals(stratname)) {
stratname = "best_guess";
LOGGER.log(
Level.FINE,
"No default regionating strategy has been configured in "
+ name
+ "; using automatic best-guess strategy.");
}
}
if (stratname != null) {
regionatingStrategy = findStrategyByName(stratname);
// if a strategy was specified but we did not find it, let the user
// know
if (regionatingStrategy == null)
throw new ServiceException("Unknown regionating strategy " + stratname);
}
// try to load less features by leveraging regionating strategy and the
// SLD
Filter regionatingFilter = Filter.INCLUDE;
if (regionatingStrategy != null)
regionatingFilter = regionatingStrategy.getFilter(mapContent, layer);
Filter ruleFilter =
summarizeRuleFilters(
getLayerRules(featureSource.getSchema(), layer.getStyle()), scaleDenominator);
Filter finalFilter = joinFilters(q.getFilter(), ruleFilter, regionatingFilter);
if (finalFilter == Filter.EXCLUDE) {
// if we don't have any feature to return
return null;
}
q.setFilter(finalFilter);
// make sure we output in 4326 since that's what KML mandates
CoordinateReferenceSystem wgs84;
try {
wgs84 = CRS.decode("EPSG:4326");
} catch (Exception e) {
throw new RuntimeException(
"Cannot decode EPSG:4326, the CRS subsystem must be badly broken...");
}
if (sourceCrs != null && !CRS.equalsIgnoreMetadata(wgs84, sourceCrs)) {
return new ReprojectFeatureResults(featureSource.getFeatures(q), wgs84);
}
return featureSource.getFeatures(q);
}
protected void handleLayerGroups(List<LayerGroupInfo> layerGroups)
throws FactoryException, TransformException {
if (layerGroups == null || layerGroups.size() == 0) {
return;
}
Collections.sort(
layerGroups,
new Comparator<LayerGroupInfo>() {
public int compare(LayerGroupInfo o1, LayerGroupInfo o2) {
return o1.getName().compareTo(o2.getName());
}
});
for (LayerGroupInfo layerGroup : layerGroups) {
String layerName = layerGroup.getName();
AttributesImpl qatts = new AttributesImpl();
boolean queryable = wmsConfig.isQueryable(layerGroup);
qatts.addAttribute("", "queryable", "queryable", "", queryable ? "1" : "0");
// qatts.addAttribute("", "opaque", "opaque", "", "1");
// qatts.addAttribute("", "cascaded", "cascaded", "", "1");
start("Layer", qatts);
element("Name", layerName);
element("Title", layerName);
element("Abstract", "Layer-Group type layer: " + layerName);
final ReferencedEnvelope layerGroupBounds = layerGroup.getBounds();
final ReferencedEnvelope latLonBounds =
layerGroupBounds.transform(DefaultGeographicCRS.WGS84, true);
String authority =
layerGroupBounds
.getCoordinateReferenceSystem()
.getIdentifiers()
.toArray()[0]
.toString();
element("SRS", authority);
handleLatLonBBox(latLonBounds);
handleBBox(layerGroupBounds, authority);
// Aggregated metadata links (see GEOS-4500)
List<LayerInfo> layers = layerGroup.getLayers();
Set<MetadataLinkInfo> aggregatedLinks = new HashSet<MetadataLinkInfo>();
for (LayerInfo layer : layers) {
List<MetadataLinkInfo> metadataLinks = layer.getResource().getMetadataLinks();
if (metadataLinks != null) {
aggregatedLinks.addAll(metadataLinks);
}
}
handleMetadataList(aggregatedLinks);
// the layer style is not provided since the group does just have
// one possibility, the lack of styles that will make it use
// the default ones for each layer
end("Layer");
}
}
@Override
public void draw(MapGraphicContext context) {
// Initialize
ILayer graticule = context.getLayer();
GraticuleStyle style = GraticuleStyle.getStyle(graticule);
// Ensure CRS?
if (graticule instanceof Layer) {
// Initialize CRS?
if (style.isInitCRS()) {
// Only initialize once
style.setInitCRS(false);
// Apply CRS from context
GraticuleCRSConfigurator.apply((Layer) graticule, context.getCRS());
} else if (mismatch(graticule, style)) {
// Apply CRS from
GraticuleCRSConfigurator.apply((Layer) graticule, style.getCRS());
}
}
// Sanity checks
if (MAX_SCALE < context.getMap().getViewportModel().getScaleDenominator()) {
graticule.setStatus(ILayer.ERROR);
graticule.setStatusMessage(Messages.GraticuleGraphic_Maximum_Scale + MAX_SCALE);
return;
}
Unit<?> unit = CRSUtilities.getUnit(graticule.getCRS().getCoordinateSystem());
if (!SI.METER.equals(unit)) {
graticule.setStatus(ILayer.ERROR);
graticule.setStatusMessage(Messages.GraticuleGraphic_Illegal_CRS);
return;
}
final IWorkbench workbench = PlatformUI.getWorkbench();
if (workbench == null) return;
// Start working on layer
graticule.setStatus(ILayer.WORKING);
graticule.setStatusMessage(null);
// Get display to work on
final Display display = workbench.getDisplay();
// Set styles
Font plain = GraticuleStyle.getFontStyle(context).getFont();
Font bold = plain.deriveFont(Font.BOLD);
// Initialize the graphics handle
ViewportGraphics g = context.getGraphics();
// Set font size
g.setFont(bold);
// Get bounds of viewport
ReferencedEnvelope bounds = context.getViewportModel().getBounds();
try {
// Get square size limited to minimum size of 100 pixels
double size = size(context, unit, 100);
// Sanity check
if (size < 100) return;
// Convert square size to pixels
int sx = (int) (size / context.getViewportModel().getPixelSize().x);
int sy = (int) (size / context.getViewportModel().getPixelSize().y);
// Make transform from Graticule to map CRS
MathTransform transform = CRS.findMathTransform(graticule.getCRS(), context.getCRS(), false);
// Transform bounds into Graticule CRS
bounds = bounds.transform(graticule.getCRS(), true);
// Get squares inside bounds
SimpleFeatureIterator it = squares(bounds, size);
// Draw one squares at the time (only top and left lines are drawn)
while (it.hasNext()) {
// Initialize states
int i = 0;
Point current = null;
// Initialize lines
List<Line> lines = new ArrayList<Line>(2);
List<Label> labels = new ArrayList<Label>(2);
// Get next geometry
Geometry geom = (Geometry) it.next().getDefaultGeometry();
// Get coordinates in graticule CRS
Coordinate[] coords = geom.getCoordinates();
// Get x-coordinate label from upper left corner
String tx = getLabel(coords[0].x, size, unit, style);
// Get y-coordinate label from lower left corner
String ty = getLabel(coords[2].y, size, unit, style);
// Insert gap with label?
boolean vgap = isGap(tx, unit, style);
boolean hgap = isGap(ty, unit, style);
// Transform coordinates into Map CRS
coords = JTS.transform(geom, transform).getCoordinates();
// Create lines and labels for this square
for (Coordinate c : coords) {
// Build paths
switch (i) {
case 1:
// -----------------------
// Vertical line
// -----------------------
// Create line path
current =
vert(
display,
g,
sy,
style.getLineWidth(),
current,
context.worldToPixel(c),
hgap,
vgap,
lines);
// Add xx label?
if (hgap) {
labels.add(new Label(current, tx, vgap ? bold : plain));
current = context.worldToPixel(c);
}
break;
case 2:
// -----------------------
// Horizontal line
// -----------------------
// Create line path
current =
horz(
display,
g,
sx,
style.getLineWidth(),
current,
context.worldToPixel(c),
vgap,
hgap,
lines);
// Add yy label?
if (vgap) {
labels.add(new Label(current, ty, hgap ? bold : plain));
current = context.worldToPixel(c);
}
break;
default:
current = context.worldToPixel(c);
break;
}
i++;
}
// Draw lines
for (Line line : lines) line.draw(g, style);
// Draw labels?
if (style.isShowLabels()) for (Label label : labels) label.draw(g, style);
}
// // Get lower left corner coordinates
// int x = llc.x;
// int y = llc.y;
//
// // Print borders
// g.setColor(lc);
// g.setStroke(ViewportGraphics.LINE_SOLID, 5);
//
// // Inner rectangle
// g.drawRect(x + d + l, y + d + l, w - 2 * (d + l), h - 2 * (d + l));
//
// // Make white border
// g.setColor(Color.WHITE);
//
// // Left
// g.drawRect(x, y, d, h);
// g.fillRect(x, y, d, h);
//
// // Bottom
// g.drawRect(x, y, w, d);
// g.fillRect(x, y, w, d);
//
// // Right
// g.drawRect(x + w - d, y, d, h);
// g.fillRect(x + w - d, y, d, h);
//
// // Top
// g.drawRect(x, y + h - d, w, d);
// g.fillRect(x, y + h - d, w, d);
} catch (IOException ex) {
MapGraphicPlugin.log(Messages.GraticuleGraphic_Error, ex);
} catch (FactoryException ex) {
MapGraphicPlugin.log(Messages.GraticuleGraphic_Error, ex);
} catch (MismatchedDimensionException ex) {
MapGraphicPlugin.log(Messages.GraticuleGraphic_Error, ex);
} catch (TransformException ex) {
MapGraphicPlugin.log(Messages.GraticuleGraphic_Error, ex);
}
// Finished working on layer
graticule.setStatus(ILayer.DONE);
}
