@Override
public CoordinateReferenceSystem getCrs() {
ILayer processingRegionMapGraphic = OmsBoxPlugin.getDefault().getProcessingRegionMapGraphic();
if (processingRegionMapGraphic != null) {
processingRegionMapGraphic.getCRS();
}
return null;
}
/**
* This example shows how to obtain a color.
*
* @param g
* @param monitor
* @throws RenderException
*/
public void render(Graphics2D g, IProgressMonitor monitor) throws RenderException {
if (monitor == null) monitor = new NullProgressMonitor();
CsvReader reader = null;
try {
ILayer layer = getContext().getLayer();
IGeoResource resource = layer.findGeoResource(CSV.class);
if (resource == null) return;
ReferencedEnvelope bounds = getRenderBounds();
monitor.subTask("connecting");
CSV csv = resource.resolve(CSV.class, null);
// LOOK UP STYLE
IStyleBlackboard style = layer.getStyleBlackboard();
Color color = (Color) style.get(ColorStyle.ID);
// DATA TO WORLD
CoordinateReferenceSystem dataCRS = layer.getCRS();
CoordinateReferenceSystem worldCRS = context.getCRS();
MathTransform dataToWorld = CRS.findMathTransform(dataCRS, worldCRS, false);
// DRAW FILE
monitor.beginTask("csv render", csv.getSize());
reader = csv.reader();
reader.readHeaders();
int nameIndex = reader.getIndex("name");
Coordinate worldLocation = new Coordinate();
while (reader.readRecord()) {
Point point = CSV.getPoint(reader);
Coordinate dataLocation = point.getCoordinate();
try {
JTS.transform(dataLocation, worldLocation, dataToWorld);
} catch (TransformException e) {
continue;
}
if (bounds != null && !bounds.contains(worldLocation)) {
continue; // optimize!
}
java.awt.Point p = getContext().worldToPixel(worldLocation);
g.setColor(color);
g.fillRect(p.x - 2, p.y - 2, 6, 6);
g.setColor(Color.BLACK);
String name = reader.get(nameIndex);
g.drawString(name, p.x + 15, p.y + 15);
monitor.worked(1);
if (monitor.isCanceled()) break;
}
} catch (IOException e) {
throw new RenderException(e); // rethrow any exceptions encountered
} catch (FactoryException e) {
throw new RenderException(e); // rethrow any exceptions encountered
} finally {
if (reader != null) reader.close();
monitor.done();
}
}
private boolean mismatch(ILayer graticule, GraticuleStyle style) {
String code;
try {
code = "EPSG:" + CRS.lookupEpsgCode(graticule.getCRS(), false); // $NON-NLS-1$
return !code.equals(style.getCRS());
} catch (FactoryException ex) {
MapGraphicPlugin.log(Messages.GraticuleGraphic_Error, ex);
}
return true;
}
private MathTransform createMathTransform(ILayer sourceLayer, ILayer targetLayer) {
MathTransform temp;
try {
CoordinateReferenceSystem targetCRS = targetLayer.getCRS();
CoordinateReferenceSystem sourceCRS = sourceLayer.getCRS();
if (targetCRS.equals(sourceCRS)) temp = null;
else temp = CRS.findMathTransform(sourceCRS, targetCRS, true);
if (temp == null || temp.isIdentity()) temp = null;
} catch (FactoryException e1) {
ProjectPlugin.log("", e1); // $NON-NLS-1$
temp = null;
}
if (temp == null) {
try {
return CRS.findMathTransform(DefaultGeographicCRS.WGS84, DefaultGeographicCRS.WGS84);
} catch (Exception e) {
ProjectPlugin.log("", e); // $NON-NLS-1$
return null;
}
}
return temp;
}
public void run(IProgressMonitor monitor) throws Exception {
final ILayer editLayer = handler.getEditLayer();
final Point mouseLocation = position;
final EditBlackboard layerBlackboard = handler.getEditBlackboard(editLayer);
final boolean includeSegmentsInCurrent = true;
final SnapBehaviour snapBehaviour = SnapBehaviour.CURRENT_LAYER;
final CoordinateReferenceSystem mapCrs = handler.getContext().getCRS();
final int snappingRadius = PreferenceUtil.instance().getSnappingRadius();
final SnapSegmentFinder segmentFinder = new SnapSegmentFinder(mapCrs);
List<LineSegment> linesList = new ArrayList<LineSegment>();
LineSegment closestSnapSegment;
closestSnapSegment =
segmentFinder.getClosestSnapSegment(
handler,
layerBlackboard,
mouseLocation,
includeSegmentsInCurrent,
snapBehaviour,
snappingRadius);
if (closestSnapSegment != null) {
CoordinateReferenceSystem layerCrs = editLayer.getCRS();
closestSnapSegment = GeoToolsUtils.reproject(closestSnapSegment, mapCrs, layerCrs);
}
linesList.add(closestSnapSegment);
if (this.mapMouseEvent.isShiftDown()) {
this.segmentCopyContext.addSegments(linesList);
} else {
this.segmentCopyContext.setReferenceLineSegment(closestSnapSegment);
}
this.segmentCopyContext.setMode(PrecisionToolsMode.WAITING);
System.out.println("\nSegment: " + closestSnapSegment.toString());
}
@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);
}