private void adjustDateLineCrossingPoints() {
ArrayList<LatLon> corners = new ArrayList<LatLon>(Arrays.asList(sw, se, nw, ne));
if (!LatLon.locationsCrossDateLine(corners)) return;
double lonSign = 0;
for (LatLon corner : corners) {
if (Math.abs(corner.getLongitude().degrees) != 180)
lonSign = Math.signum(corner.getLongitude().degrees);
}
if (lonSign == 0) return;
if (Math.abs(sw.getLongitude().degrees) == 180
&& Math.signum(sw.getLongitude().degrees) != lonSign)
sw = new Position(sw.getLatitude(), sw.getLongitude().multiply(-1), sw.getElevation());
if (Math.abs(se.getLongitude().degrees) == 180
&& Math.signum(se.getLongitude().degrees) != lonSign)
se = new Position(se.getLatitude(), se.getLongitude().multiply(-1), se.getElevation());
if (Math.abs(nw.getLongitude().degrees) == 180
&& Math.signum(nw.getLongitude().degrees) != lonSign)
nw = new Position(nw.getLatitude(), nw.getLongitude().multiply(-1), nw.getElevation());
if (Math.abs(ne.getLongitude().degrees) == 180
&& Math.signum(ne.getLongitude().degrees) != lonSign)
ne = new Position(ne.getLatitude(), ne.getLongitude().multiply(-1), ne.getElevation());
}
/**
* 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);
}
}
protected void performIntersectionTests(final Position curPos) throws InterruptedException {
// Clear the results lists when the user selects a new location.
this.firstIntersectionPositions.clear();
this.sightLines.clear();
// Raise the selected location and the grid points a little above ground just to show we can.
final double height = 5; // meters
// Form the grid.
double gridRadius = GRID_RADIUS.degrees;
Sector sector =
Sector.fromDegrees(
curPos.getLatitude().degrees - gridRadius, curPos.getLatitude().degrees + gridRadius,
curPos.getLongitude().degrees - gridRadius,
curPos.getLongitude().degrees + gridRadius);
this.grid = buildGrid(sector, height, GRID_DIMENSION, GRID_DIMENSION);
this.numGridPoints = grid.size();
// Compute the position of the selected location (incorporate its height).
this.referencePosition = new Position(curPos.getLatitude(), curPos.getLongitude(), height);
this.referencePoint =
terrain.getSurfacePoint(curPos.getLatitude(), curPos.getLongitude(), height);
// // Pre-caching is unnecessary and is useful only when it occurs before the
// intersection
// // calculations. It will incur extra overhead otherwise. The normal intersection
// calculations
// // cause the same caching, making subsequent calculations on the same area
// faster.
// this.preCache(grid, this.referencePosition);
// On the EDT, show the grid.
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
progressBar.setValue(0);
progressBar.setString(null);
clearLayers();
showGrid(grid, referencePosition);
getWwd().redraw();
}
});
// Perform the intersection calculations.
this.startTime = System.currentTimeMillis();
for (Position gridPos : this.grid) // for each grid point.
{
//noinspection ConstantConditions
if (NUM_THREADS > 0) this.threadPool.execute(new Intersector(gridPos));
else performIntersection(gridPos);
}
}
private boolean atMaxLevel(DrawContext dc) {
Position vpc = dc.getViewportCenterPosition();
if (dc.getView() == null || this.getLevels() == null || vpc == null) return false;
if (!this.getLevels().getSector().contains(vpc.getLatitude(), vpc.getLongitude())) return true;
Level nextToLast = this.getLevels().getNextToLastLevel();
if (nextToLast == null) return true;
Sector centerSector =
nextToLast.computeSectorForPosition(
vpc.getLatitude(), vpc.getLongitude(), this.getLevels().getTileOrigin());
return this.needToSplit(dc, centerSector);
}
/**
* Compute the lat/lon position of the view center
*
* @param dc the current DrawContext
* @param view the current View
* @return the ground position of the view center or null
*/
protected Position computeGroundPosition(DrawContext dc, View view) {
if (view == null) return null;
Position groundPos =
view.computePositionFromScreenPoint(
view.getViewport().getWidth() / 2, view.getViewport().getHeight() / 2);
if (groundPos == null) return null;
double elevation =
dc.getGlobe().getElevation(groundPos.getLatitude(), groundPos.getLongitude());
return new Position(
groundPos.getLatitude(),
groundPos.getLongitude(),
elevation * dc.getVerticalExaggeration());
}
/**
* Performs one line of sight calculation between the reference position and a specified grid
* position.
*
* @param gridPosition the grid position.
* @throws InterruptedException if the operation is interrupted.
*/
protected void performIntersection(Position gridPosition) throws InterruptedException {
// Intersect the line between this grid point and the selected position.
Intersection[] intersections = this.terrain.intersect(this.referencePosition, gridPosition);
if (intersections == null || intersections.length == 0) {
// No intersection, so the line goes from the center to the grid point.
this.sightLines.add(new Position[] {this.referencePosition, gridPosition});
return;
}
// Only the first intersection is shown.
Vec4 iPoint = intersections[0].getIntersectionPoint();
Vec4 gPoint =
terrain.getSurfacePoint(
gridPosition.getLatitude(), gridPosition.getLongitude(), gridPosition.getAltitude());
// Check to see whether the intersection is beyond the grid point.
if (iPoint.distanceTo3(this.referencePoint) >= gPoint.distanceTo3(this.referencePoint)) {
// Intersection is beyond the grid point; the line goes from the center to the grid point.
this.addSightLine(this.referencePosition, gridPosition);
return;
}
// Compute the position corresponding to the intersection.
Position iPosition = this.terrain.getGlobe().computePositionFromPoint(iPoint);
// The sight line goes from the user-selected position to the intersection position.
this.addSightLine(this.referencePosition, new Position(iPosition, 0));
// Keep track of the intersection positions.
this.addIntersectionPosition(iPosition);
this.updateProgress();
}
protected int determineAdjustmentSide(Movable dragObject, double factor) {
if (dragObject instanceof SurfaceSector) {
SurfaceSector quad = (SurfaceSector) dragObject;
Sector s = quad.getSector(); // TODO: go over all sectors
Position p = this.getWwd().getCurrentPosition();
if (p == null) {
return NONE;
}
double dN = abs(s.getMaxLatitude().subtract(p.getLatitude()).degrees);
double dS = abs(s.getMinLatitude().subtract(p.getLatitude()).degrees);
double dW = abs(s.getMinLongitude().subtract(p.getLongitude()).degrees);
double dE = abs(s.getMaxLongitude().subtract(p.getLongitude()).degrees);
double sLat = factor * s.getDeltaLatDegrees();
double sLon = factor * s.getDeltaLonDegrees();
if (dN < sLat && dW < sLon) return NORTHWEST;
if (dN < sLat && dE < sLon) return NORTHEAST;
if (dS < sLat && dW < sLon) return SOUTHWEST;
if (dS < sLat && dE < sLon) return SOUTHEAST;
if (dN < sLat) return NORTH;
if (dS < sLat) return SOUTH;
if (dW < sLon) return WEST;
if (dE < sLon) return EAST;
}
return NONE;
}
protected Vec4 computeAnnotationPosition(Position pos) {
Vec4 surfacePoint =
this.wwd
.getSceneController()
.getTerrain()
.getSurfacePoint(pos.getLatitude(), pos.getLongitude());
if (surfacePoint == null) {
Globe globe = this.wwd.getModel().getGlobe();
surfacePoint =
globe.computePointFromPosition(
pos.getLatitude(),
pos.getLongitude(),
globe.getElevation(pos.getLatitude(), pos.getLongitude()));
}
return this.wwd.getView().project(surfacePoint);
}
protected void assembleVertexControlPoints(DrawContext dc) {
Terrain terrain = dc.getTerrain();
ExtrudedPolygon polygon = this.getPolygon();
Position refPos = polygon.getReferencePosition();
Vec4 refPoint = terrain.getSurfacePoint(refPos.getLatitude(), refPos.getLongitude(), 0);
int altitudeMode = polygon.getAltitudeMode();
double height = polygon.getHeight();
Vec4 vaa = null;
double vaaLength = 0; // used to compute independent length of each cap vertex
double vaLength = 0;
int i = 0;
for (LatLon location : polygon.getOuterBoundary()) {
Vec4 vert;
// Compute the top/cap point.
if (altitudeMode == WorldWind.CONSTANT || !(location instanceof Position)) {
if (vaa == null) {
// Compute the vector lengths of the top and bottom points at the reference position.
vaa = refPoint.multiply3(height / refPoint.getLength3());
vaaLength = vaa.getLength3();
vaLength = refPoint.getLength3();
}
// Compute the bottom point, which is on the terrain.
vert = terrain.getSurfacePoint(location.getLatitude(), location.getLongitude(), 0);
double delta = vaLength - vert.dot3(refPoint) / vaLength;
vert = vert.add3(vaa.multiply3(1d + delta / vaaLength));
} else if (altitudeMode == WorldWind.RELATIVE_TO_GROUND) {
vert =
terrain.getSurfacePoint(
location.getLatitude(),
location.getLongitude(),
((Position) location).getAltitude());
} else // WorldWind.ABSOLUTE
{
vert =
terrain
.getGlobe()
.computePointFromPosition(
location.getLatitude(),
location.getLongitude(),
((Position) location).getAltitude() * terrain.getVerticalExaggeration());
}
Position vertexPosition = this.wwd.getModel().getGlobe().computePositionFromPoint(vert);
this.controlPoints.add(
new ControlPointMarker(
MOVE_VERTEX_ACTION, vertexPosition, vert, this.vertexControlAttributes, i));
i++;
}
}
public void onSuccess(Position[] positions) {
for (Position p : positions) {
Logging.logger()
.info(
p.getLatitude().degrees
+ ","
+ p.getLongitude().degrees
+ " --> "
+ p.getElevation());
}
}
private void fillPointsPanel() {
int i = 0;
for (Position pos : lineBuilder.getLine().getPositions()) {
if (i == this.pointLabels.length) break;
String las = String.format("Lat %7.4f\u00B0", pos.getLatitude().getDegrees());
String los = String.format("Lon %7.4f\u00B0", pos.getLongitude().getDegrees());
pointLabels[i++].setText(las + " " + los);
}
for (; i < this.pointLabels.length; i++) pointLabels[i++].setText("");
}
private Vec4 computeReferencePoint(DrawContext dc) {
if (dc.getViewportCenterPosition() != null)
return dc.getGlobe().computePointFromPosition(dc.getViewportCenterPosition());
java.awt.geom.Rectangle2D viewport = dc.getView().getViewport();
int x = (int) viewport.getWidth() / 2;
for (int y = (int) (0.5 * viewport.getHeight()); y >= 0; y--) {
Position pos = dc.getView().computePositionFromScreenPoint(x, y);
if (pos == null) continue;
return dc.getGlobe().computePointFromPosition(pos.getLatitude(), pos.getLongitude(), 0d);
}
return null;
}
public void computeZone(DrawContext dc) {
try {
Position centerPos = ((OrbitView) dc.getView()).getCenterPosition();
if (centerPos != null) {
if (centerPos.latitude.degrees <= UTM_MAX_LATITUDE
&& centerPos.latitude.degrees >= UTM_MIN_LATITUDE) {
UTMCoord UTM =
UTMCoord.fromLatLon(
centerPos.getLatitude(), centerPos.getLongitude(), dc.getGlobe());
this.zone = UTM.getZone();
} else this.zone = 0;
}
} catch (Exception ex) {
this.zone = 0;
}
}
protected Sector resizeShape(Movable dragObject, int side) {
if (dragObject instanceof SurfaceSector) {
SurfaceSector quad = (SurfaceSector) dragObject;
Sector s = quad.getSector(); // TODO: go over all sectors
Position p = this.getWwd().getCurrentPosition();
if (p == null || this.getPreviousPosition() == null) {
return null;
}
Angle dLat = p.getLatitude().subtract(this.getPreviousPosition().getLatitude());
Angle dLon = p.getLongitude().subtract(this.getPreviousPosition().getLongitude());
Angle newMinLat = s.getMinLatitude();
Angle newMinLon = s.getMinLongitude();
Angle newMaxLat = s.getMaxLatitude();
Angle newMaxLon = s.getMaxLongitude();
if (side == NORTH) {
newMaxLat = s.getMaxLatitude().add(dLat);
} else if (side == SOUTH) {
newMinLat = s.getMinLatitude().add(dLat);
} else if (side == EAST) {
newMaxLon = s.getMaxLongitude().add(dLon);
} else if (side == WEST) {
newMinLon = s.getMinLongitude().add(dLon);
} else if (side == NORTHWEST) {
newMaxLat = s.getMaxLatitude().add(dLat);
newMinLon = s.getMinLongitude().add(dLon);
} else if (side == NORTHEAST) {
newMaxLat = s.getMaxLatitude().add(dLat);
newMaxLon = s.getMaxLongitude().add(dLon);
} else if (side == SOUTHWEST) {
newMinLat = s.getMinLatitude().add(dLat);
newMinLon = s.getMinLongitude().add(dLon);
} else if (side == SOUTHEAST) {
newMinLat = s.getMinLatitude().add(dLat);
newMaxLon = s.getMaxLongitude().add(dLon);
}
return new Sector(newMinLat, newMaxLat, newMinLon, newMaxLon);
}
return null;
}
protected void setPolygonHeight(Point previousMousePoint, Point mousePoint) {
// Find the closest points between the rays through each screen point, and the ray from the
// control point
// and in the direction of the globe's surface normal. Compute the elevation difference between
// these two
// points, and use that as the change in polygon height.
Position referencePos = this.polygon.getReferencePosition();
if (referencePos == null) return;
Vec4 referencePoint = this.wwd.getModel().getGlobe().computePointFromPosition(referencePos);
Vec4 surfaceNormal =
this.wwd
.getModel()
.getGlobe()
.computeSurfaceNormalAtLocation(
referencePos.getLatitude(), referencePos.getLongitude());
Line verticalRay = new Line(referencePoint, surfaceNormal);
Line screenRay =
this.wwd.getView().computeRayFromScreenPoint(mousePoint.getX(), mousePoint.getY());
Line previousScreenRay =
this.wwd
.getView()
.computeRayFromScreenPoint(previousMousePoint.getX(), previousMousePoint.getY());
Vec4 pointOnLine = AirspaceEditorUtil.nearestPointOnLine(verticalRay, screenRay);
Vec4 previousPointOnLine =
AirspaceEditorUtil.nearestPointOnLine(verticalRay, previousScreenRay);
Position pos = this.wwd.getModel().getGlobe().computePositionFromPoint(pointOnLine);
Position previousPos =
this.wwd.getModel().getGlobe().computePositionFromPoint(previousPointOnLine);
double elevationChange = pos.getElevation() - previousPos.getElevation();
java.util.List<Position> boundary = new ArrayList<Position>();
for (LatLon ll : this.polygon.getOuterBoundary()) {
boundary.add(new Position(ll, ((Position) ll).getElevation() + elevationChange));
}
this.polygon.setOuterBoundary(boundary);
}
protected String formatMeasurements(Position pos) {
StringBuilder sb = new StringBuilder();
/*
//sb.append(this.unitsFormat.areaNL(this.getLabel(AREA_LABEL), this.getArea()));
sb.append(this.unitsFormat.lengthNL(this.getLabel(PERIMETER_LABEL), this.getLength()));
*/
// sb.append(this.unitsFormat.lengthNL(this.getLabel(WIDTH_LABEL),
// this.shape.getEastWestRadius() * 2));
// sb.append(this.unitsFormat.lengthNL(this.getLabel(LENGTH_LABEL),
// this.shape.getNorthSouthRadius() * 2));
// sb.append(this.unitsFormat.lengthNL(this.getLabel(HEIGHT_LABEL),
// this.shape.getVerticalRadius() * 2));
// sb.append(this.unitsFormat.angleNL(this.getLabel(HEADING_LABEL), this.shape.getHeading()));
// if "activeControlPoint" is in fact one of the control points
if (!this.arePositionsRedundant(pos, this.polygon.getReferencePosition())) {
sb.append(this.unitsFormat.angleNL(this.getLabel(LATITUDE_LABEL), pos.getLatitude()));
sb.append(this.unitsFormat.angleNL(this.getLabel(LONGITUDE_LABEL), pos.getLongitude()));
sb.append(this.unitsFormat.lengthNL(this.getLabel(ALTITUDE_LABEL), pos.getAltitude()));
}
// if "activeControlPoint" is the shape itself
if (this.polygon.getReferencePosition() != null) {
sb.append(
this.unitsFormat.angleNL(
this.getLabel(CENTER_LATITUDE_LABEL),
this.polygon.getReferencePosition().getLatitude()));
sb.append(
this.unitsFormat.angleNL(
this.getLabel(CENTER_LONGITUDE_LABEL),
this.polygon.getReferencePosition().getLongitude()));
sb.append(
this.unitsFormat.lengthNL(
this.getLabel(CENTER_ALTITUDE_LABEL),
this.polygon.getReferencePosition().getAltitude()));
}
return sb.toString();
}
protected void showGridSightLines(List<Position> grid, Position cPos) {
this.sightLinesLayer.removeAllRenderables();
// Display lines from the center to each grid point.
ShapeAttributes lineAttributes;
lineAttributes = new BasicShapeAttributes();
lineAttributes.setDrawOutline(true);
lineAttributes.setDrawInterior(false);
lineAttributes.setOutlineMaterial(Material.GREEN);
lineAttributes.setOutlineOpacity(0.6);
for (Position p : grid) {
List<Position> endPoints = new ArrayList<Position>();
endPoints.add(cPos);
endPoints.add(new Position(p.getLatitude(), p.getLongitude(), 0));
Path path = new Path(endPoints);
path.setAltitudeMode(WorldWind.RELATIVE_TO_GROUND);
path.setAttributes(lineAttributes);
this.sightLinesLayer.addRenderable(path);
}
}
/**
* Compute the label's screen position from its geographic position.
*
* @param dc Current draw context.
*/
protected void computeGeometry(DrawContext dc) {
// Project the label position onto the viewport
Position pos = this.getPosition();
if (pos == null) return;
this.placePoint = dc.computeTerrainPoint(pos.getLatitude(), pos.getLongitude(), 0);
this.screenPlacePoint = dc.getView().project(this.placePoint);
this.eyeDistance = this.placePoint.distanceTo3(dc.getView().getEyePoint());
boolean orientationReversed = false;
if (this.orientationPosition != null) {
// Project the orientation point onto the screen
Vec4 orientationPlacePoint =
dc.computeTerrainPoint(
this.orientationPosition.getLatitude(), this.orientationPosition.getLongitude(), 0);
Vec4 orientationScreenPoint = dc.getView().project(orientationPlacePoint);
this.rotation = this.computeRotation(this.screenPlacePoint, orientationScreenPoint);
// The orientation is reversed if the orientation point falls to the right of the screen
// point. Text is
// never drawn upside down, so when the orientation is reversed the text flips vertically to
// keep the text
// right side up.
orientationReversed = (orientationScreenPoint.x <= this.screenPlacePoint.x);
}
this.computeBoundsIfNeeded(dc);
Offset offset = this.getOffset();
Point2D offsetPoint =
offset.computeOffset(this.bounds.getWidth(), this.bounds.getHeight(), null, null);
// If a rotation is applied to the text, then rotate the offset as well. An offset in the x
// direction
// will move the text along the orientation line, and a offset in the y direction will move the
// text
// perpendicular to the orientation line.
if (this.rotation != null) {
double dy = offsetPoint.getY();
// If the orientation is reversed we need to adjust the vertical offset to compensate for the
// flipped
// text. For example, if the offset normally aligns the top of the text with the place point
// then without
// this adjustment the bottom of the text would align with the place point when the
// orientation is
// reversed.
if (orientationReversed) {
dy = -(dy + this.bounds.getHeight());
}
Vec4 pOffset = new Vec4(offsetPoint.getX(), dy);
Matrix rot = Matrix.fromRotationZ(this.rotation.multiply(-1));
pOffset = pOffset.transformBy3(rot);
offsetPoint = new Point((int) pOffset.getX(), (int) pOffset.getY());
}
int x = (int) (this.screenPlacePoint.x + offsetPoint.getX());
int y = (int) (this.screenPlacePoint.y - offsetPoint.getY());
this.screenPoint = new Point(x, y);
this.screenExtent = this.computeTextExtent(x, y, this.rotation);
}
public void selectRenderables(DrawContext dc) {
try {
OrbitView view = (OrbitView) dc.getView();
// Compute easting and northing label offsets
Double pixelSize = view.computePixelSizeAtDistance(view.getZoom());
Double eastingOffset = view.getViewport().width * pixelSize * offsetFactorX / 2;
Double northingOffset = view.getViewport().height * pixelSize * offsetFactorY / 2;
// Derive labels center pos from the view center
Position centerPos = view.getCenterPosition();
double labelEasting;
double labelNorthing;
String labelHemisphere;
if (this.zone > 0) {
UTMCoord UTM =
UTMCoord.fromLatLon(centerPos.getLatitude(), centerPos.getLongitude(), dc.getGlobe());
labelEasting = UTM.getEasting() + eastingOffset;
labelNorthing = UTM.getNorthing() + northingOffset;
labelHemisphere = UTM.getHemisphere();
if (labelNorthing < 0) {
labelNorthing = 10e6 + labelNorthing;
labelHemisphere = AVKey.SOUTH;
}
} else {
UPSCoord UPS =
UPSCoord.fromLatLon(centerPos.getLatitude(), centerPos.getLongitude(), dc.getGlobe());
labelEasting = UPS.getEasting() + eastingOffset;
labelNorthing = UPS.getNorthing() + northingOffset;
labelHemisphere = UPS.getHemisphere();
}
Position labelPos;
for (int i = 0; i < this.extremes.length; i++) {
UTMExtremes levelExtremes = this.extremes[i];
double gridStep = Math.pow(10, i);
double gridStepTimesTen = gridStep * 10;
String graticuleType = getTypeFor((int) gridStep);
if (levelExtremes.minX <= levelExtremes.maxX) {
// Process easting scale labels for this level
for (double easting = levelExtremes.minX;
easting <= levelExtremes.maxX;
easting += gridStep) {
// Skip multiples of ten grid steps except for last (higher) level
if (i == this.extremes.length - 1 || easting % gridStepTimesTen != 0) {
try {
labelPos = computePosition(this.zone, labelHemisphere, easting, labelNorthing);
if (labelPos == null) continue;
Angle lat = labelPos.getLatitude();
Angle lon = labelPos.getLongitude();
Vec4 surfacePoint = getSurfacePoint(dc, lat, lon);
if (viewFrustum.contains(surfacePoint) && isPointInRange(dc, surfacePoint)) {
String text = String.valueOf((int) (easting % this.scaleModulo));
GeographicText gt = new UserFacingText(text, new Position(lat, lon, 0));
gt.setPriority(gridStepTimesTen);
addRenderable(gt, graticuleType);
}
} catch (IllegalArgumentException ignore) {
}
}
}
}
if (!(levelExtremes.maxYHemisphere.equals(AVKey.SOUTH) && levelExtremes.maxY == 0)) {
// Process northing scale labels for this level
String currentHemisphere = levelExtremes.minYHemisphere;
for (double northing = levelExtremes.minY;
(northing <= levelExtremes.maxY)
|| !currentHemisphere.equals(levelExtremes.maxYHemisphere);
northing += gridStep) {
// Skip multiples of ten grid steps except for last (higher) level
if (i == this.extremes.length - 1 || northing % gridStepTimesTen != 0) {
try {
labelPos = computePosition(this.zone, currentHemisphere, labelEasting, northing);
if (labelPos == null) continue;
Angle lat = labelPos.getLatitude();
Angle lon = labelPos.getLongitude();
Vec4 surfacePoint = getSurfacePoint(dc, lat, lon);
if (viewFrustum.contains(surfacePoint) && isPointInRange(dc, surfacePoint)) {
String text = String.valueOf((int) (northing % this.scaleModulo));
GeographicText gt = new UserFacingText(text, new Position(lat, lon, 0));
gt.setPriority(gridStepTimesTen);
addRenderable(gt, graticuleType);
}
} catch (IllegalArgumentException ignore) {
}
if (!currentHemisphere.equals(levelExtremes.maxYHemisphere)
&& northing >= 10e6 - gridStep) {
// Switch hemisphere
currentHemisphere = levelExtremes.maxYHemisphere;
northing = -gridStep;
}
}
}
} // end northing
} // for levels
} catch (IllegalArgumentException ignore) {
}
}
protected void doMoveAirspaceVertically(
WorldWindow wwd, Airspace airspace, Point mousePoint, Point previousMousePoint) {
// Find the closest points between the rays through each screen point, and the ray from the
// control point
// and in the direction of the globe's surface normal. Compute the elevation difference between
// these two
// points, and use that as the change in airspace altitude.
//
// If the state keepControlPointsAboveTerrain is set, we prevent the control point from passing
// any lower than
// the terrain elevation beneath it.
if (!(airspace instanceof Movable)) {
return;
}
Movable movable = (Movable) airspace;
Position referencePos = movable.getReferencePosition();
if (referencePos == null) return;
Vec4 referencePoint = wwd.getModel().getGlobe().computePointFromPosition(referencePos);
Vec4 surfaceNormal =
wwd.getModel()
.getGlobe()
.computeSurfaceNormalAtLocation(
referencePos.getLatitude(), referencePos.getLongitude());
Line verticalRay = new Line(referencePoint, surfaceNormal);
Line screenRay =
wwd.getView()
.computeRayFromScreenPoint(previousMousePoint.getX(), previousMousePoint.getY());
Line previousScreenRay =
wwd.getView().computeRayFromScreenPoint(mousePoint.getX(), mousePoint.getY());
Vec4 pointOnLine = AirspaceEditorUtil.nearestPointOnLine(verticalRay, screenRay);
Vec4 previousPointOnLine =
AirspaceEditorUtil.nearestPointOnLine(verticalRay, previousScreenRay);
Position pos = wwd.getModel().getGlobe().computePositionFromPoint(pointOnLine);
Position previousPos = wwd.getModel().getGlobe().computePositionFromPoint(previousPointOnLine);
double elevationChange = previousPos.getElevation() - pos.getElevation();
double[] altitudes = this.getAirspace().getAltitudes();
boolean[] terrainConformance = this.getAirspace().isTerrainConforming();
if (this.isKeepControlPointsAboveTerrain()) {
if (terrainConformance[LOWER_ALTITUDE]) {
if (altitudes[LOWER_ALTITUDE] + elevationChange < 0.0)
elevationChange = 0.0 - altitudes[LOWER_ALTITUDE];
} else {
double height =
AirspaceEditorUtil.computeLowestHeightAboveSurface(
wwd, this.getCurrentControlPoints(), LOWER_ALTITUDE);
if (elevationChange <= -height) {
elevationChange = -height;
}
}
}
altitudes[LOWER_ALTITUDE] += elevationChange;
altitudes[UPPER_ALTITUDE] += elevationChange;
this.getAirspace().setAltitudes(altitudes[LOWER_ALTITUDE], altitudes[UPPER_ALTITUDE]);
this.fireAirspaceMoved(new AirspaceEditEvent(wwd, airspace, this));
}
protected void drawIcon(DrawContext dc) {
if (this.getIconFilePath() == null) return;
GL gl = dc.getGL();
OGLStackHandler ogsh = new OGLStackHandler();
try {
// Initialize texture if necessary
Texture iconTexture = dc.getTextureCache().getTexture(this.getIconFilePath());
if (iconTexture == null) {
this.initializeTexture(dc);
iconTexture = dc.getTextureCache().getTexture(this.getIconFilePath());
if (iconTexture == null) {
String msg = Logging.getMessage("generic.ImageReadFailed");
Logging.logger().finer(msg);
return;
}
}
gl.glDisable(GL.GL_DEPTH_TEST);
double width = this.getScaledIconWidth();
double height = this.getScaledIconHeight();
// Load a parallel projection with xy dimensions (viewportWidth, viewportHeight)
// into the GL projection matrix.
java.awt.Rectangle viewport = dc.getView().getViewport();
ogsh.pushProjectionIdentity(gl);
double maxwh = width > height ? width : height;
gl.glOrtho(0d, viewport.width, 0d, viewport.height, -0.6 * maxwh, 0.6 * maxwh);
// Translate and scale
ogsh.pushModelviewIdentity(gl);
double scale = this.computeScale(viewport);
Vec4 locationSW = this.computeLocation(viewport, scale);
gl.glTranslated(locationSW.x(), locationSW.y(), locationSW.z());
// Scale to 0..1 space
gl.glScaled(scale, scale, 1);
gl.glScaled(width, height, 1d);
if (!dc.isPickingMode()) {
gl.glEnable(GL.GL_BLEND);
gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
// Draw background color behind the map
gl.glColor4ub(
(byte) this.backColor.getRed(),
(byte) this.backColor.getGreen(),
(byte) this.backColor.getBlue(),
(byte) (this.backColor.getAlpha() * this.getOpacity()));
dc.drawUnitQuad();
// Draw world map icon
gl.glColor4d(1d, 1d, 1d, this.getOpacity());
gl.glEnable(GL.GL_TEXTURE_2D);
iconTexture.bind();
TextureCoords texCoords = iconTexture.getImageTexCoords();
dc.drawUnitQuad(texCoords);
gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
gl.glDisable(GL.GL_TEXTURE_2D);
// Draw crosshair for current location
gl.glLoadIdentity();
gl.glTranslated(locationSW.x(), locationSW.y(), locationSW.z());
// Scale to width x height space
gl.glScaled(scale, scale, 1);
// Set color
float[] colorRGB = this.color.getRGBColorComponents(null);
gl.glColor4d(colorRGB[0], colorRGB[1], colorRGB[2], this.getOpacity());
// Draw crosshair
Position groundPos = this.computeGroundPosition(dc, dc.getView());
if (groundPos != null) {
int x = (int) (width * (groundPos.getLongitude().degrees + 180) / 360);
int y = (int) (height * (groundPos.getLatitude().degrees + 90) / 180);
int w = 10; // cross branch length
// Draw
gl.glBegin(GL.GL_LINE_STRIP);
gl.glVertex3d(x - w, y, 0);
gl.glVertex3d(x + w + 1, y, 0);
gl.glEnd();
gl.glBegin(GL.GL_LINE_STRIP);
gl.glVertex3d(x, y - w, 0);
gl.glVertex3d(x, y + w + 1, 0);
gl.glEnd();
}
// Draw view footprint in map icon space
if (this.showFootprint) {
this.footPrintPositions = this.computeViewFootPrint(dc, 32);
if (this.footPrintPositions != null) {
gl.glBegin(GL.GL_LINE_STRIP);
LatLon p1 = this.footPrintPositions.get(0);
for (LatLon p2 : this.footPrintPositions) {
int x = (int) (width * (p2.getLongitude().degrees + 180) / 360);
int y = (int) (height * (p2.getLatitude().degrees + 90) / 180);
// Draw
if (LatLon.locationsCrossDateline(p1, p2)) {
int y1 = (int) (height * (p1.getLatitude().degrees + 90) / 180);
gl.glVertex3d(x < width / 2 ? width : 0, (y1 + y) / 2, 0);
gl.glEnd();
gl.glBegin(GL.GL_LINE_STRIP);
gl.glVertex3d(x < width / 2 ? 0 : width, (y1 + y) / 2, 0);
}
gl.glVertex3d(x, y, 0);
p1 = p2;
}
gl.glEnd();
}
}
// Draw 1px border around and inside the map
gl.glBegin(GL.GL_LINE_STRIP);
gl.glVertex3d(0, 0, 0);
gl.glVertex3d(width, 0, 0);
gl.glVertex3d(width, height - 1, 0);
gl.glVertex3d(0, height - 1, 0);
gl.glVertex3d(0, 0, 0);
gl.glEnd();
} else {
// Picking
this.pickSupport.clearPickList();
this.pickSupport.beginPicking(dc);
// Where in the world are we picking ?
Position pickPosition =
computePickPosition(
dc, locationSW, new Dimension((int) (width * scale), (int) (height * scale)));
Color color = dc.getUniquePickColor();
int colorCode = color.getRGB();
this.pickSupport.addPickableObject(colorCode, this, pickPosition, false);
gl.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue());
dc.drawUnitQuad();
this.pickSupport.endPicking(dc);
this.pickSupport.resolvePick(dc, dc.getPickPoint(), this);
}
} finally {
dc.restoreDefaultDepthTesting();
dc.restoreDefaultCurrentColor();
if (dc.isPickingMode()) dc.restoreDefaultBlending();
ogsh.pop(gl);
}
}
protected void drawMany(DrawContext dc, Iterable<? extends WWIcon> icons, Layer layer) {
if (dc == null) {
String msg = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (dc.getVisibleSector() == null) return;
SectorGeometryList geos = dc.getSurfaceGeometry();
//noinspection RedundantIfStatement
if (geos == null) return;
if (icons == null) {
String msg = Logging.getMessage("nullValue.IconIterator");
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
Iterator<? extends WWIcon> iterator = icons.iterator();
if (!iterator.hasNext()) return;
double horizon = dc.getView().getHorizonDistance();
while (iterator.hasNext()) {
WWIcon icon = iterator.next();
if (!isIconValid(icon, true)) {
// Record feedback data for this WWIcon if feedback is enabled.
if (icon != null) this.recordFeedback(dc, icon, null, null);
continue;
}
if (!icon.isVisible()) {
// Record feedback data for this WWIcon if feedback is enabled.
this.recordFeedback(dc, icon, null, null);
continue;
}
// Determine Cartesian position from the surface geometry if the icon is near the surface,
// otherwise draw it from the globe.
Position pos = icon.getPosition();
Vec4 iconPoint = null;
if (pos.getElevation() < dc.getGlobe().getMaxElevation()
&& !this.isAlwaysUseAbsoluteElevation()) {
iconPoint = dc.getSurfaceGeometry().getSurfacePoint(icon.getPosition());
}
if (iconPoint == null) {
Angle lat = pos.getLatitude();
Angle lon = pos.getLongitude();
double elevation = pos.getElevation();
if (!this.isAlwaysUseAbsoluteElevation()) elevation += dc.getGlobe().getElevation(lat, lon);
iconPoint = dc.getGlobe().computePointFromPosition(lat, lon, elevation);
}
double eyeDistance =
icon.isAlwaysOnTop() ? 0 : dc.getView().getEyePoint().distanceTo3(iconPoint);
// X-PATCH Marjan
// extracted skip conditions into an overrideable method
if (!meetsRenderCriteria(dc, icon, iconPoint, eyeDistance)) {
this.recordFeedback(dc, icon, iconPoint, null);
continue;
}
// X-END
// The icons aren't drawn here, but added to the ordered queue to be drawn back-to-front.
dc.addOrderedRenderable(new OrderedIcon(icon, iconPoint, layer, eyeDistance, horizon));
if (icon.isShowToolTip()) this.addToolTip(dc, icon, iconPoint);
}
}
