public void selectRenderables(DrawContext dc, Sector vs) { // Select our renderables if (this.gridElements == null) createRenderables(); boolean drawMetricLabels = getSizeInPixels(dc) > MIN_CELL_SIZE_PIXELS * 2; String graticuleType = getTypeFor((int) this.size); for (GridElement ge : this.gridElements) { if (ge.isInView(dc, vs)) { if (ge.type.equals(GridElement.TYPE_LINE_NORTH) && this.isNorthNeighborInView(dc)) continue; if (ge.type.equals(GridElement.TYPE_LINE_EAST) && this.isEastNeighborInView(dc)) continue; if (drawMetricLabels) metricScaleSupport.computeMetricScaleExtremes( this.UTMZone, this.hemisphere, ge, this.size * 10); addRenderable(ge.renderable, graticuleType); } } if (getSizeInPixels(dc) <= MIN_CELL_SIZE_PIXELS * 2) return; // Select grid renderables if (this.squareGrid == null) this.squareGrid = new SquareGrid( this.UTMZone, this.hemisphere, this.UTMZoneSector, this.SWEasting, this.SWNorthing, this.size); if (this.squareGrid.isInView(dc)) { this.squareGrid.selectRenderables(dc, vs); } else this.squareGrid.clearRenderables(); }
public void selectRenderables(DrawContext dc, Sector vs) { // Select our renderables if (this.gridElements == null) createRenderables(); int gridStep = (int) this.size / 10; boolean drawMetricLabels = getSizeInPixels(dc) > MIN_CELL_SIZE_PIXELS * 4 * 1.7; String graticuleType = getTypeFor(gridStep); for (GridElement ge : this.gridElements) { if (ge.isInView(dc, vs)) { if (drawMetricLabels) metricScaleSupport.computeMetricScaleExtremes( this.UTMZone, this.hemisphere, ge, this.size); addRenderable(ge.renderable, graticuleType); } } if (getSizeInPixels(dc) <= MIN_CELL_SIZE_PIXELS * 4 * 2) return; // Select sub grids renderables if (this.subGrids == null) createSubGrids(); for (SquareGrid sg : this.subGrids) { if (sg.isInView(dc)) { sg.selectRenderables(dc, vs); } else sg.clearRenderables(); } }
/** * Select the visible grid elements * * @param dc the current <code>DrawContext</code>. */ protected void selectRenderables(DrawContext dc) { if (dc == null) { String message = Logging.getMessage("nullValue.DrawContextIsNull"); Logging.logger().severe(message); throw new IllegalArgumentException(message); } Sector vs = dc.getVisibleSector(); OrbitView view = (OrbitView) dc.getView(); // Compute labels offset from view center Position centerPos = view.getCenterPosition(); Double pixelSizeDegrees = Angle.fromRadians( view.computePixelSizeAtDistance(view.getZoom()) / dc.getGlobe().getEquatorialRadius()) .degrees; Double labelOffsetDegrees = pixelSizeDegrees * view.getViewport().getWidth() / 4; Position labelPos = Position.fromDegrees( centerPos.getLatitude().degrees - labelOffsetDegrees, centerPos.getLongitude().degrees - labelOffsetDegrees, 0); Double labelLatDegrees = labelPos.getLatitude().normalizedLatitude().degrees; labelLatDegrees = Math.min(Math.max(labelLatDegrees, -76), 78); labelPos = new Position( Angle.fromDegrees(labelLatDegrees), labelPos.getLongitude().normalizedLongitude(), 0); if (vs != null) { for (GridElement ge : this.gridElements) { if (ge.isInView(dc)) { if (ge.renderable instanceof GeographicText) { GeographicText gt = (GeographicText) ge.renderable; if (labelPos.getLatitude().degrees < 72 || "*32*34*36*".indexOf("*" + gt.getText() + "*") == -1) { // Adjust label position according to eye position Position pos = gt.getPosition(); if (ge.type.equals(GridElement.TYPE_LATITUDE_LABEL)) pos = Position.fromDegrees( pos.getLatitude().degrees, labelPos.getLongitude().degrees, pos.getElevation()); else if (ge.type.equals(GridElement.TYPE_LONGITUDE_LABEL)) pos = Position.fromDegrees( labelPos.getLatitude().degrees, pos.getLongitude().degrees, pos.getElevation()); gt.setPosition(pos); } } this.graticuleSupport.addRenderable(ge.renderable, GRATICULE_UTM); } } // System.out.println("Total elements: " + count + " visible sector: " + vs); } }
public void createRenderables() { this.gridElements = new ArrayList<GridElement>(); double gridStep = this.size / 10; Position p1, p2; ArrayList<Position> positions = new ArrayList<Position>(); // South-North lines for (int i = 1; i <= 9; i++) { double easting = this.SWEasting + gridStep * i; positions.clear(); p1 = computePosition(this.UTMZone, this.hemisphere, easting, SWNorthing); p2 = computePosition(this.UTMZone, this.hemisphere, easting, SWNorthing + this.size); if (this.isTruncated) { computeTruncatedSegment(p1, p2, this.UTMZoneSector, positions); } else { positions.add(p1); positions.add(p2); } if (positions.size() > 0) { p1 = positions.get(0); p2 = positions.get(1); Object polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE); Sector lineSector = Sector.boundingSector(p1, p2); GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_EASTING); ge.setValue(easting); this.gridElements.add(ge); } } // West-East lines for (int i = 1; i <= 9; i++) { double northing = this.SWNorthing + gridStep * i; positions.clear(); p1 = computePosition(this.UTMZone, this.hemisphere, SWEasting, northing); p2 = computePosition(this.UTMZone, this.hemisphere, SWEasting + this.size, northing); if (this.isTruncated) { computeTruncatedSegment(p1, p2, this.UTMZoneSector, positions); } else { positions.add(p1); positions.add(p2); } if (positions.size() > 0) { p1 = positions.get(0); p2 = positions.get(1); Object polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE); Sector lineSector = Sector.boundingSector(p1, p2); GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_NORTHING); ge.setValue(northing); this.gridElements.add(ge); } } }
public void createRenderables() { this.gridElements = new ArrayList<GridElement>(); ArrayList<Position> positions = new ArrayList<Position>(); Position p1, p2; Object polyline; Sector lineSector; // left segment positions.clear(); if (this.isTruncated) { computeTruncatedSegment(sw, nw, this.UTMZoneSector, positions); } else { positions.add(sw); positions.add(nw); } if (positions.size() > 0) { p1 = positions.get(0); p2 = positions.get(1); polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE); lineSector = Sector.boundingSector(p1, p2); GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_WEST); ge.setValue(this.SWEasting); this.gridElements.add(ge); } // right segment positions.clear(); if (this.isTruncated) { computeTruncatedSegment(se, ne, this.UTMZoneSector, positions); } else { positions.add(se); positions.add(ne); } if (positions.size() > 0) { p1 = positions.get(0); p2 = positions.get(1); polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE); lineSector = Sector.boundingSector(p1, p2); GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_EAST); ge.setValue(this.SWEasting + this.size); this.gridElements.add(ge); } // bottom segment positions.clear(); if (this.isTruncated) { computeTruncatedSegment(sw, se, this.UTMZoneSector, positions); } else { positions.add(sw); positions.add(se); } if (positions.size() > 0) { p1 = positions.get(0); p2 = positions.get(1); polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE); lineSector = Sector.boundingSector(p1, p2); GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_SOUTH); ge.setValue(this.SWNorthing); this.gridElements.add(ge); } // top segment positions.clear(); if (this.isTruncated) { computeTruncatedSegment(nw, ne, this.UTMZoneSector, positions); } else { positions.add(nw); positions.add(ne); } if (positions.size() > 0) { p1 = positions.get(0); p2 = positions.get(1); polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE); lineSector = Sector.boundingSector(p1, p2); GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_NORTH); ge.setValue(this.SWNorthing + this.size); this.gridElements.add(ge); } // Label if (this.name != null) { // Only add a label to squares above some dimension if (this.boundingSector.getDeltaLon().degrees * Math.cos(this.centroid.getLatitude().radians) > .2 && this.boundingSector.getDeltaLat().degrees > .2) { LatLon labelPos = null; if (this.UTMZone != 0) // Not at poles { labelPos = this.centroid; } else if (this.isPositionInside(new Position(this.squareCenter, 0))) { labelPos = this.squareCenter; } else if (this.squareCenter.getLatitude().degrees <= this.UTMZoneSector.getMaxLatitude().degrees && this.squareCenter.getLatitude().degrees >= this.UTMZoneSector.getMinLatitude().degrees) { labelPos = this.centroid; } if (labelPos != null) { GeographicText text = new UserFacingText(this.name, new Position(labelPos, 0)); text.setPriority(this.size * 10); this.gridElements.add( new GridElement(this.boundingSector, text, GridElement.TYPE_GRIDZONE_LABEL)); } } } }