/// <summary>
/// Adds a new entry in the tile cache, clears an entry if max capacity is reached.
/// </summary>
/// <param name="address">The tile address.</param>
/// <param name="featureCollections">The list of feature collections to store.</param>
public void Add(TileAddress address, IEnumerable <FeatureCollection> featureCollections)
{
lock (cache)
{
TileCacheEntry cacheEntry = null;
if (cache.Count > 0)
{
cacheEntry = this.cache.FirstOrDefault(entry => entry.address.Equals(address));
}
// No entry for this address, queue a new one and
// free the cache if maximum capacity is reached
if (cacheEntry == null)
{
var entry = new TileCacheEntry();
entry.address = address;
entry.featureCollections = featureCollections;
cache.Enqueue(entry);
if (cache.Count > capacity)
{
cache.Dequeue();
}
}
else
{
// Update the entry with the new data if necessary
cacheEntry.featureCollections = featureCollections;
}
}
}
private void RenderTileCacheEntry( DeviceContext deviceContext, Camera camera, int datasetExtentDataSpaceX, int datasetExtentDataSpaceY, TileCacheEntry tileCacheEntry, Viewport viewport )
{
//Check if this tile is over the edge of the image
var tileMinExtentX = tileCacheEntry.CenterDataSpace.X - ( tileCacheEntry.ExtentDataSpace.X / 2f );
var tileMinExtentY = tileCacheEntry.CenterDataSpace.Y - ( tileCacheEntry.ExtentDataSpace.Y / 2f );
var tileMaxExtentX = tileCacheEntry.CenterDataSpace.X + ( tileCacheEntry.ExtentDataSpace.X / 2f );
var tileMaxExtentY = tileCacheEntry.CenterDataSpace.Y + ( tileCacheEntry.ExtentDataSpace.Y / 2f );
var tileProportionClipX = 1f;
var tileProportionClipY = 1f;
if ( datasetExtentDataSpaceX > 0 && tileMaxExtentX > datasetExtentDataSpaceX )
{
tileProportionClipX = 1 - ( ( tileMaxExtentX - datasetExtentDataSpaceX ) / ( tileMaxExtentX - tileMinExtentX ) );
tileMaxExtentX = datasetExtentDataSpaceX;
}
if ( datasetExtentDataSpaceY > 0 && tileMaxExtentY > datasetExtentDataSpaceY )
{
tileProportionClipY = 1 - ( ( tileMaxExtentY - datasetExtentDataSpaceY ) / ( tileMaxExtentY - tileMinExtentY ) );
tileMaxExtentY = datasetExtentDataSpaceY;
}
var p1 = new Vector3( tileMinExtentX, tileMinExtentY, 0.5f );
var p2 = new Vector3( tileMinExtentX, tileMaxExtentY, 0.5f );
var p3 = new Vector3( tileMaxExtentX, tileMaxExtentY, 0.5f );
var p4 = new Vector3( tileMaxExtentX, tileMinExtentY, 0.5f );
var t1 = new Vector3( 0f, 0f, 0f );
var t2 = new Vector3( 0f, tileProportionClipY, 0f );
var t3 = new Vector3( tileProportionClipX, tileProportionClipY, 0f );
var t4 = new Vector3( tileProportionClipX, 0f, 0f );
DataBox databox;
databox = deviceContext.MapSubresource( mPositionVertexBuffer,
0,
QUAD_NUM_VERTICES *
POSITION_NUM_COMPONENTS_PER_VERTEX *
POSITION_NUM_BYTES_PER_COMPONENT,
MapMode.WriteDiscard,
SlimDX.Direct3D11.MapFlags.None );
databox.Data.Write( p1 );
databox.Data.Write( p4 );
databox.Data.Write( p2 );
databox.Data.Write( p3 );
deviceContext.UnmapSubresource( mPositionVertexBuffer, 0 );
databox = deviceContext.MapSubresource( mTexCoordVertexBuffer,
0,
QUAD_NUM_VERTICES *
TEXCOORD_NUM_COMPONENTS_PER_VERTEX *
TEXCOORD_NUM_BYTES_PER_COMPONENT,
MapMode.WriteDiscard,
SlimDX.Direct3D11.MapFlags.None );
databox.Data.Write( t1 );
databox.Data.Write( t4 );
databox.Data.Write( t2 );
databox.Data.Write( t3 );
deviceContext.UnmapSubresource( mTexCoordVertexBuffer, 0 );
deviceContext.InputAssembler.InputLayout = mInputLayout;
deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
deviceContext.InputAssembler.SetVertexBuffers( POSITION_SLOT,
new VertexBufferBinding( mPositionVertexBuffer,
POSITION_NUM_COMPONENTS_PER_VERTEX *
POSITION_NUM_BYTES_PER_COMPONENT,
0 ) );
deviceContext.InputAssembler.SetVertexBuffers( TEXCOORD_SLOT,
new VertexBufferBinding( mTexCoordVertexBuffer,
TEXCOORD_NUM_COMPONENTS_PER_VERTEX *
TEXCOORD_NUM_BYTES_PER_COMPONENT,
0 ) );
mEffect.GetVariableByName( "gSourceTexture3D" ).AsResource().SetResource( tileCacheEntry.D3D11CudaTextures.Get( "SourceMap" ) );
if ( mTileManager.SegmentationLoaded )
{
//if ( tileCacheEntry.D3D11CudaTextures.Internal.ContainsKey( "IdMap" ) )
//{
// mEffect.GetVariableByName( "gIdTexture3D" ).AsResource().SetResource( tileCacheEntry.D3D11CudaTextures.Get( "IdMap" ) );
//}
//else
//{
// System.Console.WriteLine("Warning: expected IdMap not found.");
//}
mEffect.GetVariableByName( "gIdTexture3D" ).AsResource().SetResource( tileCacheEntry.D3D11CudaTextures.Get( "IdMap" ) );
mEffect.GetVariableByName( "gIdColorMapBuffer" ).AsResource().SetResource( mTileManager.Internal.GetIdColorMap() );
mEffect.GetVariableByName( "gLabelIdMapBuffer" ).AsResource().SetResource( mTileManager.Internal.GetLabelIdMap() );
mEffect.GetVariableByName( "gIdConfidenceMapBuffer" ).AsResource().SetResource( mTileManager.Internal.GetIdConfidenceMap() );
if ( tileCacheEntry.D3D11CudaTextures.Internal.ContainsKey( "OverlayMap" ) )
{
mEffect.GetVariableByName( "gOverlayTexture3D" ).AsResource().SetResource( tileCacheEntry.D3D11CudaTextures.Get( "OverlayMap" ) );
}
}
mEffect.GetVariableByName( "gTransform" ).AsMatrix().SetMatrix( camera.GetLookAtMatrix() * camera.GetProjectionMatrix() );
mEffect.GetVariableByName( "gSegmentationRatio" ).AsScalar().Set( mTileManager.SegmentationVisibilityRatio );
mEffect.GetVariableByName( "gBoundaryLinesVisible" ).AsScalar().Set( mTileManager.ShowBoundaryLines );
mEffect.GetVariableByName( "gBrushVisible" ).AsScalar().Set( mTileManager.SelectedSegmentId != 0 );
mEffect.GetVariableByName( "gSelectedSegmentId" ).AsScalar().Set( mTileManager.SelectedSegmentId );
mEffect.GetVariableByName( "gMouseOverSegmentId" ).AsScalar().Set( mTileManager.MouseOverSegmentId );
mEffect.GetVariableByName( "gMouseOverX" ).AsScalar().Set( ( mTileManager.MouseOverX - tileMinExtentX ) / tileCacheEntry.ExtentDataSpace.X );
mEffect.GetVariableByName( "gMouseOverY" ).AsScalar().Set( ( mTileManager.MouseOverY - tileMinExtentY ) / tileCacheEntry.ExtentDataSpace.Y );
mEffect.GetVariableByName( "gMouseHighlightSize" ).AsScalar().Set( mTileManager.BrushSize );
mPass.Apply( deviceContext );
deviceContext.Draw( QUAD_NUM_VERTICES, 0 );
//mDebugRenderer.RenderQuadWireframeOnly( deviceContext, p1, p2, p3, p4, new Vector3( 1, 0, 0 ), camera );
}
private void RenderTileCacheEntry(DeviceContext deviceContext, Camera camera, int datasetExtentDataSpaceX, int datasetExtentDataSpaceY, TileCacheEntry tileCacheEntry)
{
//Check if this tile is over the edge of the image
var tileMinExtentX = tileCacheEntry.CenterDataSpace.X - (tileCacheEntry.ExtentDataSpace.X / 2f);
var tileMinExtentY = tileCacheEntry.CenterDataSpace.Y - (tileCacheEntry.ExtentDataSpace.Y / 2f);
var tileMaxExtentX = tileCacheEntry.CenterDataSpace.X + (tileCacheEntry.ExtentDataSpace.X / 2f);
var tileMaxExtentY = tileCacheEntry.CenterDataSpace.Y + (tileCacheEntry.ExtentDataSpace.Y / 2f);
var tileProportionClipX = 1f;
var tileProportionClipY = 1f;
if (datasetExtentDataSpaceX > 0 && tileMaxExtentX > datasetExtentDataSpaceX)
{
tileProportionClipX = 1 - ((tileMaxExtentX - datasetExtentDataSpaceX) / (tileMaxExtentX - tileMinExtentX));
tileMaxExtentX = datasetExtentDataSpaceX;
}
if (datasetExtentDataSpaceY > 0 && tileMaxExtentY > datasetExtentDataSpaceY)
{
tileProportionClipY = 1 - ((tileMaxExtentY - datasetExtentDataSpaceY) / (tileMaxExtentY - tileMinExtentY));
tileMaxExtentY = datasetExtentDataSpaceY;
}
var p1 = new Vector3(tileMinExtentX, tileMinExtentY, 0.5f);
var p2 = new Vector3(tileMinExtentX, tileMaxExtentY, 0.5f);
var p3 = new Vector3(tileMaxExtentX, tileMaxExtentY, 0.5f);
var p4 = new Vector3(tileMaxExtentX, tileMinExtentY, 0.5f);
var t1 = new Vector3(0f, 0f, 0f);
var t2 = new Vector3(0f, tileProportionClipY, 0f);
var t3 = new Vector3(tileProportionClipX, tileProportionClipY, 0f);
var t4 = new Vector3(tileProportionClipX, 0f, 0f);
DataBox databox;
databox = deviceContext.MapSubresource(mPositionVertexBuffer,
0,
QUAD_NUM_VERTICES *
POSITION_NUM_COMPONENTS_PER_VERTEX *
POSITION_NUM_BYTES_PER_COMPONENT,
MapMode.WriteDiscard,
SlimDX.Direct3D11.MapFlags.None);
databox.Data.Write(p1);
databox.Data.Write(p4);
databox.Data.Write(p2);
databox.Data.Write(p3);
deviceContext.UnmapSubresource(mPositionVertexBuffer, 0);
databox = deviceContext.MapSubresource(mTexCoordVertexBuffer,
0,
QUAD_NUM_VERTICES *
TEXCOORD_NUM_COMPONENTS_PER_VERTEX *
TEXCOORD_NUM_BYTES_PER_COMPONENT,
MapMode.WriteDiscard,
SlimDX.Direct3D11.MapFlags.None);
databox.Data.Write(t1);
databox.Data.Write(t4);
databox.Data.Write(t2);
databox.Data.Write(t3);
deviceContext.UnmapSubresource(mTexCoordVertexBuffer, 0);
deviceContext.InputAssembler.InputLayout = mInputLayout;
deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
deviceContext.InputAssembler.SetVertexBuffers(POSITION_SLOT,
new VertexBufferBinding(mPositionVertexBuffer,
POSITION_NUM_COMPONENTS_PER_VERTEX *
POSITION_NUM_BYTES_PER_COMPONENT,
0));
deviceContext.InputAssembler.SetVertexBuffers(TEXCOORD_SLOT,
new VertexBufferBinding(mTexCoordVertexBuffer,
TEXCOORD_NUM_COMPONENTS_PER_VERTEX *
TEXCOORD_NUM_BYTES_PER_COMPONENT,
0));
mEffect.GetVariableByName("gSourceTexture3D").AsResource().SetResource(tileCacheEntry.D3D11CudaTextures.Get("SourceMap"));
if (mTileManager.SegmentationLoaded)
{
//if ( tileCacheEntry.D3D11CudaTextures.Internal.ContainsKey( "IdMap" ) )
//{
// mEffect.GetVariableByName( "gIdTexture3D" ).AsResource().SetResource( tileCacheEntry.D3D11CudaTextures.Get( "IdMap" ) );
//}
//else
//{
// System.Console.WriteLine("Warning: expected IdMap not found.");
//}
mEffect.GetVariableByName("gIdTexture3D").AsResource().SetResource(tileCacheEntry.D3D11CudaTextures.Get("IdMap"));
mEffect.GetVariableByName("gIdColorMapBuffer").AsResource().SetResource(mTileManager.Internal.GetIdColorMap());
mEffect.GetVariableByName("gLabelIdMapBuffer").AsResource().SetResource(mTileManager.Internal.GetLabelIdMap());
mEffect.GetVariableByName("gIdConfidenceMapBuffer").AsResource().SetResource(mTileManager.Internal.GetIdConfidenceMap());
}
mEffect.GetVariableByName("gTransform").AsMatrix().SetMatrix(camera.GetLookAtMatrix() * camera.GetProjectionMatrix());
mEffect.GetVariableByName("gSegmentationRatio").AsScalar().Set(mTileManager.SegmentationVisibilityRatio);
mEffect.GetVariableByName("gBoundaryLinesVisible").AsScalar().Set(mTileManager.ShowBoundaryLines);
mEffect.GetVariableByName("gSelectedSegmentId").AsScalar().Set(mTileManager.SelectedSegmentId);
mEffect.GetVariableByName("gMouseOverSegmentId").AsScalar().Set(mTileManager.MouseOverSegmentId);
mPass.Apply(deviceContext);
deviceContext.Draw(QUAD_NUM_VERTICES, 0);
//mDebugRenderer.RenderQuadWireframeOnly( deviceContext, p1, p2, p3, p4, new Vector3( 1, 0, 0 ), camera );
}
