protected override Vector2 GetCoordFromHit(RaycastHit hit)
{
GlobeTerrainModel terrainModel = GetActiveTerrainModel();
if (!terrainModel)
{
throw new Exception("Globe model is not currently active.");
}
return(BoundingBoxUtils.UVToCoordinates(UnrestrictedBoundingBox.Global, hit.textureCoord));
}
protected override Vector2 GetCoordFromHit(RaycastHit hit)
{
LocalTerrainModel terrainModel = GetActiveTerrainModel();
if (!terrainModel)
{
throw new Exception("Active localized terrain model not found.");
}
return(BoundingBoxUtils.UVToCoordinates(terrainModel.SquareBoundingBox, hit.textureCoord));
}
public void UpdateArea(IBoundingBox bbox)
{
IBoundingBox currentBoundingBox = Controller.CurrentBoundingBox;
if (currentBoundingBox == BoundingBox.Zero)
{
return;
}
UVBounds uvBounds = BoundingBoxUtils.CalculateUVBounds(currentBoundingBox, bbox);
UpdateArea(uvBounds);
}
public void CreateLocalTerrainFromBookmark(string bookmarkJson)
{
Bookmark bookmark = JsonConvert.DeserializeObject <Bookmark>(bookmarkJson, JsonConfig.SerializerSettings);
BoundingBox bbox = BoundingBoxUtils.ParseBoundingBox(bookmark.BoundingBox);
TerrainProductMetadata baseProductMetadata = new TerrainProductMetadata(bookmark.TexturesUUID[0], bbox, 0);
// TODO Add additional product layers if present.
TerrainModelManager terrainModelManager = TerrainModelManager.Instance;
LocalTerrainModel terrainModel = terrainModelManager.CreateLocalModelFromBookmark(bbox, bookmark.DemUUID, bookmark.TexturesUUID);
terrainModelManager.ShowTerrainModel(terrainModel);
}
public void NavigateToCoordinate(string bbox)
{
TerrainModelManager terrainModelManager = TerrainModelManager.Instance;
XRInteractableGlobeTerrain globe = (XRInteractableGlobeTerrain)terrainModelManager.GlobeModel.InteractionController;
if (globe)
{
BoundingBox boundingBox = BoundingBoxUtils.ParseBoundingBox(bbox);
Vector2 latLon = BoundingBoxUtils.MedianLatLon(boundingBox);
Camera eye = UserInterfaceManager.Instance.XRCamera;
globe.NavigateTo(latLon, eye.transform.position);
}
}
public void HighlightBoundingBoxOnGlobe(string bbox)
{
TerrainModelManager terrainModelManager = TerrainModelManager.Instance;
if (string.IsNullOrEmpty(bbox))
{
terrainModelManager.ClearHighlightedAreaOnGlobe();
}
else
{
BoundingBox boundingBox = BoundingBoxUtils.ParseBoundingBox(bbox);
terrainModelManager.HighlightAreaOnGlobe(boundingBox);
}
}
private void ControllerModalAddPoint(Vector2 uv)
{
ControllerModal controllerModal = GetControllerModal();
if (!controllerModal)
{
return;
}
Vector2 latLon = BoundingBoxUtils.UVToCoordinates(GetBoundingBoxFromTerrainModel(), uv);
string js =
$"let component = {AngularComponentContainerPath}.{GetControllerModalName()};" +
$"component && component.addPoint({latLon.x}, {latLon.y});";
controllerModal.Browser.EvalJS(js);
_framesSinceLastControllerModalUpdate = 0;
}
protected override TerrainMeshData GenerateForLod(IntensityImage image, int downsample)
{
// Downsampling rate must be a power of 2.
if (!MathUtils.IsPowerOfTwo(downsample))
{
throw new Exception($"Downsample rate of {downsample} is not a power of 2.");
}
// Calculate image bounds based on UV bounds.
int imageStartX = Mathf.RoundToInt(_uvBounds.U1 * image.Width / downsample);
int imageEndX = Mathf.RoundToInt(_uvBounds.U2 * (image.Width / downsample - 1));
int imageStartY = Mathf.RoundToInt(_uvBounds.V1 * image.Height / downsample);
int imageEndY = Mathf.RoundToInt(_uvBounds.V2 * (image.Height / downsample - 1));
// Each pixel in the selected area of the downsampled image represents a vertex.
int lonVertCount = imageEndX - imageStartX + 1;
int latVertCount = imageEndY - imageStartY + 1;
float latIncrement = _boundingBox.LatSwing / (latVertCount - 1);
float lonIncrement = _boundingBox.LonSwing / (lonVertCount - 1);
Vector3[] verts = new Vector3[latVertCount * lonVertCount];
Vector2[] uvs = new Vector2[latVertCount * lonVertCount];
Vector3[] edgeVerts = new Vector3[4 * (latVertCount + lonVertCount - 2) + 2];
Vector2 latLongOffset = BoundingBoxUtils.MedianLatLon(_boundingBox);
Vector3 min = new Vector3(float.PositiveInfinity, 0, 0);
int yIndex = 0, vertexIndex = 0;
for (float vy = _boundingBox.LatStart; yIndex < latVertCount; vy += latIncrement)
{
// The y-coordinate on the image that corresponds to the current row of vertices.
// Note this is actually inverted since we are traversing from bottom up.
int y = (latVertCount - yIndex - 1 + imageStartY) * downsample;
// Create a new vertex using the latitude angle. The coordinates of this vertex
// will serve as a base for all the other vertices of the same latitude.
Vector3 baseLatVertex = GenerateBaseLatitudeVertex(vy);
int xIndex = 0;
for (float vx = _boundingBox.LonStart; xIndex < lonVertCount; vx += lonIncrement)
{
// The x-coordinate on the image that corresponds to the current vertex.
int x = (xIndex + imageStartX) * downsample;
// Get the raw intensity value from the image.
float value = downsample == 1 ?
image.GetPixel(x, y) :
image.GetCenteredAverage(x, y, downsample + 1);
// Scale the intensity value by the height scale, and
// then add it to the radius to get the final "height".
float height = value * _metadata.HeightScale + _metadata.Radius;
Vector3 vertex = GenerateVertex(height * baseLatVertex, vx, latLongOffset, _metadata.Radius);
// Keep track of minimum; this will be used later to position the terrain on the table-top.
if (vertex.x < min.x)
{
min = vertex;
}
// Add to edge vertices
if (yIndex == 0)
{
edgeVerts[xIndex] = vertex;
}
else if (xIndex == lonVertCount - 1)
{
edgeVerts[lonVertCount + yIndex - 1] = vertex;
}
else if (yIndex == latVertCount - 1)
{
edgeVerts[2 * (lonVertCount - 1) + latVertCount - xIndex - 1] = vertex;
}
else if (xIndex == 0)
{
edgeVerts[2 * (lonVertCount + latVertCount - 2) - yIndex] = vertex;
}
verts[vertexIndex] = vertex;
uvs[vertexIndex] = GenerateUVCoord(xIndex, yIndex, lonVertCount, latVertCount, _uvBounds);
xIndex++;
vertexIndex++;
}
yIndex++;
}
// Finish generating the data for the terrain edge.
ProcessEdgeVertices(edgeVerts, min.x);
return(new TerrainMeshData()
{
Vertices = verts,
TexCoords = uvs,
Triangles = GenerateTriangles(lonVertCount, latVertCount),
ExtraVertices = edgeVerts,
ExtraTriangles = GenerateTriangles(edgeVerts.Length / 2, 2, true),
MinimumVertex = min
});
}
private Vector2 GetCoordinatesFromHit(RaycastHit hit)
{
BoundingBox bbox = _terrainModel.SquareBoundingBox;
return(BoundingBoxUtils.UVToCoordinates(bbox, hit.textureCoord));
}
protected override void Generate()
{
float latIncrement = _boundingBox.LatSwing / (LatLongVertCount - 1);
float lonIncrement = _boundingBox.LonSwing / (LatLongVertCount - 1);
Vector3[] verts = new Vector3[LatLongVertCount * LatLongVertCount];
Vector2[] uvs = new Vector2[LatLongVertCount * LatLongVertCount];
Vector3[] edgeVerts = new Vector3[8 * (LatLongVertCount - 1) + 2];
Vector2 latLongOffset = BoundingBoxUtils.MedianLatLon(_boundingBox);
Vector3 min = new Vector3(float.PositiveInfinity, 0, 0);
int yIndex = 0, vertIndex = 0;
for (float vy = _boundingBox.LatStart; yIndex < LatLongVertCount; vy += latIncrement)
{
// Create a new vertex using the latitude angle. The coordinates of this vertex
// will serve as a base for all the other vertices of the same latitude.
Vector3 baseLatVertex = _metadata.Radius * GenerateBaseLatitudeVertex(vy);
int xIndex = 0;
for (float vx = _boundingBox.LonStart; xIndex < LatLongVertCount; vx += lonIncrement)
{
Vector3 vertex = GenerateVertex(baseLatVertex, vx, latLongOffset, _metadata.Radius);
// Keep track of minimum; this will be used later to position the terrain on the table-top.
if (vertex.x < min.x)
{
min = vertex;
}
// Add to edge vertices
if (yIndex == 0)
{
edgeVerts[xIndex] = vertex;
}
else if (xIndex == LatLongVertCount - 1)
{
edgeVerts[LatLongVertCount + yIndex - 1] = vertex;
}
else if (yIndex == LatLongVertCount - 1)
{
edgeVerts[3 * (LatLongVertCount - 1) - xIndex] = vertex;
}
else if (xIndex == 0)
{
edgeVerts[4 * (LatLongVertCount - 1) - yIndex] = vertex;
}
verts[vertIndex] = vertex;
uvs[vertIndex] = GenerateUVCoord(xIndex, yIndex, LatLongVertCount, LatLongVertCount, _uvBounds);
xIndex++;
vertIndex++;
}
yIndex++;
}
// Finish generating the data for the terrain edge.
ProcessEdgeVertices(edgeVerts, min.x);
_progress = 1f;
// Only one LOD is generated.
_meshData = new TerrainMeshData[] {
new TerrainMeshData()
{
Vertices = verts,
TexCoords = uvs,
Triangles = GenerateTriangles(LatLongVertCount, LatLongVertCount),
ExtraVertices = edgeVerts,
ExtraTriangles = GenerateTriangles(edgeVerts.Length / 2, 2, true),
MinimumVertex = min
}
};
}
