private async Task <List <SetVersionLevelOfDetail> > ExtractDetailLevels(SetMetadataContract setMetadata, Uri baseUrl)
{
List <SetVersionLevelOfDetail> detailLevels = new List <SetVersionLevelOfDetail>();
foreach (int detailLevel in Enumerable.Range(setMetadata.MinimumLod, setMetadata.MaximumLod - setMetadata.MinimumLod + 1))
{
string detailLevelName = "L" + detailLevel;
Uri lodMetadataUri = new Uri(baseUrl, "L" + detailLevel + "/metadata.json");
CubeMetadataContract cubeMetadata = await this.Deserialize <CubeMetadataContract>(lodMetadataUri);
OcTree <CubeBounds> octree = MetadataLoader.Load(cubeMetadata, detailLevelName, new Vector3(1, 1, 1));
octree.UpdateTree();
Vector3 cubeBounds = cubeMetadata.SetSize;
ExtentsContract worldBounds = cubeMetadata.WorldBounds;
ExtentsContract virtualWorldBounds = cubeMetadata.VirtualWorldBounds;
SetVersionLevelOfDetail currentSetLevelOfDetail = new SetVersionLevelOfDetail();
currentSetLevelOfDetail.Metadata = lodMetadataUri;
currentSetLevelOfDetail.Number = detailLevel;
currentSetLevelOfDetail.Cubes = octree;
currentSetLevelOfDetail.ModelBounds = new BoundingBox(
new Vector3(worldBounds.XMin, worldBounds.YMin, worldBounds.ZMin),
new Vector3(worldBounds.XMax, worldBounds.YMax, worldBounds.ZMax));
if (virtualWorldBounds != null)
{
currentSetLevelOfDetail.WorldBounds =
new BoundingBox(
new Vector3(virtualWorldBounds.XMin, virtualWorldBounds.YMin, virtualWorldBounds.ZMin),
new Vector3(virtualWorldBounds.XMax, virtualWorldBounds.YMax, virtualWorldBounds.ZMax));
}
else
{
currentSetLevelOfDetail.WorldBounds = new BoundingBox(
new Vector3(worldBounds.XMin, worldBounds.YMin, worldBounds.ZMin),
new Vector3(worldBounds.XMax, worldBounds.YMax, worldBounds.ZMax));
}
currentSetLevelOfDetail.SetSize = new Vector3(cubeBounds.X, cubeBounds.Y, cubeBounds.Z);
currentSetLevelOfDetail.Name = "L" + detailLevel.ToString(CultureInfo.InvariantCulture);
currentSetLevelOfDetail.VertexCount = cubeMetadata.VertexCount;
currentSetLevelOfDetail.TextureTemplate = new Uri(lodMetadataUri, "texture/{x}_{y}.jpg");
currentSetLevelOfDetail.ModelTemplate = new Uri(lodMetadataUri, "{x}_{y}_{z}.{format}");
currentSetLevelOfDetail.TextureSetSize = cubeMetadata.TextureSetSize;
detailLevels.Add(currentSetLevelOfDetail);
}
return(detailLevels);
}
private async Task <List <SetVersionLevelOfDetail> > ExtractDetailLevels2(SetMetadataContract setMetadata, Uri baseUrl)
{
OcTree <CubeBounds> ocTree = new OcTree <CubeBounds>();
List <LoaderSet> lods = new List <LoaderSet>();
foreach (int detailLevel in Enumerable.Range(setMetadata.MinimumLod, setMetadata.MaximumLod - setMetadata.MinimumLod + 1))
{
// Allow exceptions to propagate here for logging in ELMAH
string detailLevelName = "L" + detailLevel;
Uri lodMetadataUri = new Uri(baseUrl, detailLevelName + "/metadata.json");
CubeMetadataContract cubeMetadata = await this.Deserialize <CubeMetadataContract>(lodMetadataUri);
lods.Add(new LoaderSet {
CubeMetadataContract = cubeMetadata, Name = detailLevelName, DetailLevel = detailLevel, MetadataUrl = lodMetadataUri
});
}
Vector3 maxSetSize = new Vector3(0, 0, 0);
foreach (var loaderSet in lods)
{
if (loaderSet.CubeMetadataContract.SetSize.X > maxSetSize.X)
{
maxSetSize.X = loaderSet.CubeMetadataContract.SetSize.X;
}
if (loaderSet.CubeMetadataContract.SetSize.Y > maxSetSize.Y)
{
maxSetSize.Y = loaderSet.CubeMetadataContract.SetSize.Y;
}
if (loaderSet.CubeMetadataContract.SetSize.Z > maxSetSize.Z)
{
maxSetSize.Z = loaderSet.CubeMetadataContract.SetSize.Z;
}
}
List <SetVersionLevelOfDetail> detailLevels = new List <SetVersionLevelOfDetail>();
foreach (LoaderSet loaderSet in lods)
{
var cubeMetadata = loaderSet.CubeMetadataContract;
Vector3 cubeSize = maxSetSize / loaderSet.CubeMetadataContract.SetSize;
ocTree.Add(MetadataLoader.LoadCubeBounds(loaderSet.CubeMetadataContract, loaderSet.Name, cubeSize));
Vector3 cubeBounds = cubeMetadata.SetSize;
ExtentsContract worldBounds = cubeMetadata.WorldBounds;
ExtentsContract virtualWorldBounds = cubeMetadata.VirtualWorldBounds;
SetVersionLevelOfDetail currentSetLevelOfDetail = new SetVersionLevelOfDetail();
currentSetLevelOfDetail.Metadata = loaderSet.MetadataUrl;
currentSetLevelOfDetail.Number = loaderSet.DetailLevel;
currentSetLevelOfDetail.Cubes = ocTree;
currentSetLevelOfDetail.ModelBounds = new BoundingBox(
new Vector3(worldBounds.XMin, worldBounds.YMin, worldBounds.ZMin),
new Vector3(worldBounds.XMax, worldBounds.YMax, worldBounds.ZMax));
if (virtualWorldBounds != null)
{
currentSetLevelOfDetail.WorldBounds =
new BoundingBox(
new Vector3(virtualWorldBounds.XMin, virtualWorldBounds.YMin, virtualWorldBounds.ZMin),
new Vector3(virtualWorldBounds.XMax, virtualWorldBounds.YMax, virtualWorldBounds.ZMax));
}
else
{
currentSetLevelOfDetail.WorldBounds = new BoundingBox(
new Vector3(worldBounds.XMin, worldBounds.YMin, worldBounds.ZMin),
new Vector3(worldBounds.XMax, worldBounds.YMax, worldBounds.ZMax));
}
currentSetLevelOfDetail.SetSize = new Vector3(cubeBounds.X, cubeBounds.Y, cubeBounds.Z);
currentSetLevelOfDetail.Name = "L" + loaderSet.DetailLevel.ToString(CultureInfo.InvariantCulture);
currentSetLevelOfDetail.VertexCount = cubeMetadata.VertexCount;
currentSetLevelOfDetail.TextureTemplate = new Uri(loaderSet.MetadataUrl, "texture/{x}_{y}.jpg");
currentSetLevelOfDetail.ModelTemplate = new Uri(loaderSet.MetadataUrl, "{x}_{y}_{z}.{format}");
currentSetLevelOfDetail.TextureSetSize = cubeMetadata.TextureSetSize;
detailLevels.Add(currentSetLevelOfDetail);
}
ocTree.UpdateTree();
return(detailLevels);
}
