private void makeDefaultDetailLevels() {
List<DetailLevel> levels = new ArrayList<DetailLevel>();
double[] ramp = ScreenSizeDetailLevel.computeDefaultScreenSizeRamp(5);
DetailLevel level;
level = new ScreenSizeDetailLevel(ramp[0], "Detail-Level-0");
level.setValue(SUBDIVISIONS, 4);
level.setValue(DISABLE_TERRAIN_CONFORMANCE, false);
levels.add(level);
level = new ScreenSizeDetailLevel(ramp[1], "Detail-Level-1");
level.setValue(SUBDIVISIONS, 3);
level.setValue(DISABLE_TERRAIN_CONFORMANCE, false);
levels.add(level);
level = new ScreenSizeDetailLevel(ramp[2], "Detail-Level-2");
level.setValue(SUBDIVISIONS, 2);
level.setValue(DISABLE_TERRAIN_CONFORMANCE, false);
levels.add(level);
level = new ScreenSizeDetailLevel(ramp[3], "Detail-Level-3");
level.setValue(SUBDIVISIONS, 1);
level.setValue(DISABLE_TERRAIN_CONFORMANCE, false);
levels.add(level);
level = new ScreenSizeDetailLevel(ramp[4], "Detail-Level-4");
level.setValue(SUBDIVISIONS, 0);
level.setValue(DISABLE_TERRAIN_CONFORMANCE, true);
levels.add(level);
this.setDetailLevels(levels);
}
protected void doRenderGeometry(DrawContext dc, String drawStyle) {
if (dc == null) {
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (dc.getGL() == null) {
String message = Logging.getMessage("nullValue.DrawingContextGLIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
double[] angles = this.computeAngles();
// Angles are equal, fallback to drawing a closed cylinder.
if (angles == null) {
super.doRenderGeometry(dc, drawStyle);
return;
}
double[] altitudes = this.getAltitudes(dc.getVerticalExaggeration());
boolean[] terrainConformant = this.isTerrainConforming();
double[] radii = this.getRadii();
int slices = this.getSlices();
int stacks = this.getStacks();
int loops = this.getLoops();
if (this.isEnableLevelOfDetail()) {
DetailLevel level = this.computeDetailLevel(dc);
Object o = level.getValue(SLICES);
if (o != null && o instanceof Integer) slices = (Integer) o;
o = level.getValue(STACKS);
if (o != null && o instanceof Integer) stacks = (Integer) o;
o = level.getValue(LOOPS);
if (o != null && o instanceof Integer) loops = (Integer) o;
o = level.getValue(DISABLE_TERRAIN_CONFORMANCE);
if (o != null && o instanceof Boolean && ((Boolean) o))
terrainConformant[0] = terrainConformant[1] = false;
}
Vec4 referenceCenter = this.computeReferenceCenter(dc);
this.setExpiryTime(this.nextExpiryTime(dc, terrainConformant));
this.clearElevationMap();
GL gl = dc.getGL();
OGLStackHandler ogsh = new OGLStackHandler();
try {
dc.getView().pushReferenceCenter(dc, referenceCenter);
if (Airspace.DRAW_STYLE_OUTLINE.equals(drawStyle)) {
this.drawRadialWallOutline(
dc,
radii,
angles[0],
altitudes,
terrainConformant,
loops,
stacks,
GeometryBuilder.INSIDE,
referenceCenter);
this.drawRadialWallOutline(
dc,
radii,
angles[1],
altitudes,
terrainConformant,
loops,
stacks,
GeometryBuilder.OUTSIDE,
referenceCenter);
// Outer cylinder isn't rendered if outer radius is zero.
if (radii[1] != 0.0) {
this.drawPartialCylinderOutline(
dc,
radii[1],
altitudes,
terrainConformant,
slices,
stacks,
GeometryBuilder.OUTSIDE,
angles[0],
angles[2],
referenceCenter);
}
// Inner cylinder isn't rendered if inner radius is zero.
if (radii[0] != 0.0) {
this.drawPartialCylinderOutline(
dc,
radii[0],
altitudes,
terrainConformant,
slices,
stacks,
GeometryBuilder.INSIDE,
angles[0],
angles[2],
referenceCenter);
}
} else if (Airspace.DRAW_STYLE_FILL.equals(drawStyle)) {
if (this.isEnableCaps()) {
ogsh.pushAttrib(gl, GL.GL_POLYGON_BIT);
gl.glEnable(GL.GL_CULL_FACE);
gl.glFrontFace(GL.GL_CCW);
}
if (this.isEnableCaps()) {
// Caps aren't rendered if radii are equal.
if (radii[0] != radii[1]) {
this.drawPartialDisk(
dc,
radii,
altitudes[1],
terrainConformant[1],
slices,
loops,
GeometryBuilder.OUTSIDE,
angles[0],
angles[2],
referenceCenter);
// Bottom cap isn't rendered if airspace is collapsed.
if (!this.isAirspaceCollapsed()) {
this.drawPartialDisk(
dc,
radii,
altitudes[0],
terrainConformant[0],
slices,
loops,
GeometryBuilder.INSIDE,
angles[0],
angles[2],
referenceCenter);
}
}
}
// Cylinders aren't rendered if airspace is collapsed.
if (!this.isAirspaceCollapsed()) {
this.drawRadialWall(
dc,
radii,
angles[0],
altitudes,
terrainConformant,
loops,
stacks,
GeometryBuilder.INSIDE,
referenceCenter);
this.drawRadialWall(
dc,
radii,
angles[1],
altitudes,
terrainConformant,
loops,
stacks,
GeometryBuilder.OUTSIDE,
referenceCenter);
// Outer cylinder isn't rendered if outer radius is zero.
if (radii[1] != 0.0) {
this.drawPartialCylinder(
dc,
radii[1],
altitudes,
terrainConformant,
slices,
stacks,
GeometryBuilder.OUTSIDE,
angles[0],
angles[2],
referenceCenter);
}
// Inner cylinder isn't rendered if inner radius is zero.
if (radii[0] != 0.0) {
this.drawPartialCylinder(
dc,
radii[0],
altitudes,
terrainConformant,
slices,
stacks,
GeometryBuilder.INSIDE,
angles[0],
angles[2],
referenceCenter);
}
}
}
} finally {
dc.getView().popReferenceCenter(dc);
ogsh.pop(gl);
}
}
protected void doRenderGeometry(
DrawContext dc, String drawStyle, List<LatLon> locations, List<Boolean> edgeFlags) {
if (dc == null) {
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (dc.getGL() == null) {
String message = Logging.getMessage("nullValue.DrawingContextGLIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (locations == null) {
String message = "nullValue.LocationsIsNull";
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (locations.size() == 0) return;
double[] altitudes = this.getAltitudes(dc.getVerticalExaggeration());
boolean[] terrainConformant = this.isTerrainConforming();
boolean enableCaps = this.isEnableCaps();
int subdivisions = this.subdivisions;
if (this.getAltitudeDatum()[0].equals(AVKey.ABOVE_GROUND_REFERENCE)
|| this.getAltitudeDatum()[1].equals(AVKey.ABOVE_GROUND_REFERENCE)) {
this.adjustForGroundReference(dc, terrainConformant, altitudes);
}
if (this.isEnableLevelOfDetail()) {
DetailLevel level = this.computeDetailLevel(dc);
Object o = level.getValue(SUBDIVISIONS);
if (o != null && o instanceof Integer) subdivisions = (Integer) o;
o = level.getValue(DISABLE_TERRAIN_CONFORMANCE);
if (o != null && o instanceof Boolean && (Boolean) o)
terrainConformant[0] = terrainConformant[1] = false;
}
Vec4 referenceCenter = this.computeReferenceCenter(dc);
this.setExpiryTime(this.nextExpiryTime(dc, terrainConformant));
this.clearElevationMap();
GL gl = dc.getGL();
OGLStackHandler ogsh = new OGLStackHandler();
try {
dc.getView().pushReferenceCenter(dc, referenceCenter);
if (Airspace.DRAW_STYLE_FILL.equals(drawStyle)) {
if (enableCaps && !this.isAirspaceCollapsed()) {
ogsh.pushAttrib(gl, GL.GL_POLYGON_BIT);
gl.glEnable(GL.GL_CULL_FACE);
gl.glFrontFace(GL.GL_CCW);
}
this.drawPolygonFill(
dc,
locations,
edgeFlags,
altitudes,
terrainConformant,
enableCaps,
subdivisions,
referenceCenter);
} else if (Airspace.DRAW_STYLE_OUTLINE.equals(drawStyle)) {
this.drawPolygonOutline(
dc,
locations,
edgeFlags,
altitudes,
terrainConformant,
enableCaps,
subdivisions,
referenceCenter);
}
} finally {
dc.getView().popReferenceCenter(dc);
ogsh.pop(gl);
}
}