Package gov.nasa.worldwind.terrain

Examples of gov.nasa.worldwind.terrain.Terrain

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    }

    @Override
    protected void _assembleVertexControlPoints_(DrawContext dc)
    {
        Terrain terrain = dc.getTerrain();
        Path pol = (Path) super._pol_;

        Position refPos = pol.getReferencePosition();
        Vec4 refPoint = terrain.getSurfacePoint(refPos.getLatitude(), refPos.getLongitude(), 0);

        int altitudeMode = pol.getAltitudeMode();
        double height = 1000; // pol.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 : pol.getPositions())
        {
            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 = super._wwd.getModel().getGlobe().computePositionFromPoint(vert);
           
            GfrMrkMoveHoriz pnt = new GfrMrkMoveHoriz(vertexPosition, vert,
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    }

    @Override
    protected void _assembleVertexControlPoints_(DrawContext dc)
    {
        Terrain terrain = dc.getTerrain();
        ExtrudedPolygon pol = (ExtrudedPolygon) super._pol_;

        Position refPos = pol.getReferencePosition();
        Vec4 refPoint = terrain.getSurfacePoint(refPos.getLatitude(), refPos.getLongitude(), 0);

        int altitudeMode = pol.getAltitudeMode();
        double height = pol.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 : pol.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 = super._wwd.getModel().getGlobe().computePositionFromPoint(vert);
          
           
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    {
        try
        {
            // Compute the intersection using whatever terrain is available. This calculation does not need to be very
            // precise, it just needs to place the balloon close to the shape.
            Terrain terrain = this.wwd.getSceneController().getDrawContext().getTerrain();

            // Compute a line through the pick point.
            Line line = this.wwd.getView().computeRayFromScreenPoint(screenPoint.x, screenPoint.y);

            // Find the intersection of the line and the shape.
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         buffer = Buffers.newDirectFloatBuffer(FLOATS_PER_ARROWHEAD * numPositions);
      pathData.setValue(ARROWS_KEY, buffer);

      buffer.clear();

      Terrain terrain = dc.getTerrain();

      double arrowBase = this.getArrowLength() * this.getArrowAngle().tanHalfAngle();

      // Step through polePositions to find the original path locations.
      int thisPole = polePositions.get(0) / 2;
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Related Classes of gov.nasa.worldwind.terrain.Terrain

  • gov.nasa.worldwindx.examples.util.BalloonController
  • org.geoforge.worldwind.builder.editor.GfrEditorObjShpPlnCls
  • org.geoforge.worldwind.builder.editor.GfrEditorObjShpPlnOpn
  • org.geoforge.worldwind.render.GfrDirectedPath
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