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);
}
}