protected override PrimitiveSpatialResult QueryPrimitivesInternal(PrimitiveSpatialQuery specification, bool uniqueEntities, DataSource.QueryProgress progress)
{
GeometryQueryRegion region = specification.SpatialFilter.Region as GeometryQueryRegion;
if (region != null)
{
Box2 regionBox = region.Geometry as Box2;
if (regionBox != null)
{
RasterPatch2 rasterPatch = null;
if (isWarped)
{
colorMapHelper = new ColorMapHelper(wfield, regionBox, minT, maxT);
rasterPatch = colorMapHelper.GetWarpedTilePatch();
minT = colorMapHelper.MinT;
maxT = colorMapHelper.MaxT;
}
else
{
colorMapHelper = new ColorMapHelper(field, regionBox, minT, maxT);
rasterPatch = colorMapHelper.GetTilePatch();
minT = colorMapHelper.MinT;
maxT = colorMapHelper.MaxT;
}
if (rasterPatch != null)
{
PrimitiveSpecification spec = new PrimitiveSpecification(entity,
this.Ontology.PrimitiveTypes["RasterPatch"], rasterPatch);
SimplePrimitive primitive = new SimplePrimitive(this, spec);
return(new SingleImageResult(primitive));
}
}
}
else
{
}
return(new SingleImageResult(null));
}
protected override PrimitiveSpatialResult QueryPrimitivesInternal(PrimitiveSpatialQuery specification, bool uniqueEntities, DataSource.QueryProgress progress)
{
GeometryQueryRegion region = specification.SpatialFilter.Region as GeometryQueryRegion;
TileLevelOfDetail tileLevel = (TileLevelOfDetail)host.WorldEngine.ScaleRanges.ScaleToTileLevelOfDetailValue(specification.SpatialFilter.GeometryOptions.Scale);
if (region != null)
{
Box2 regionBox = region.Geometry as Box2;
if (regionBox != null)
{
int levelValue = (int)tileLevel.Value > 5 ? (int)tileLevel.Value : 5;
double iconSize = 32.0 / Math.Pow(2, levelValue);
step = iconSize / 2.0;
RasterPatch2 rasterPatch = null;
switch (dataType)
{
case DSDataType.TwoDim:
rasterPatch = probesHelper.GetTilePatch(wfield, regionBox, iconSize);
break;
case DSDataType.Table:
levelValue = (int)tileLevel.Value > 6 ? (int)tileLevel.Value : 6;
iconSize = 32.0 / Math.Pow(2, levelValue);
rasterPatch = probesHelper.GetTilePatch(pointSet, regionBox, iconSize);
break;
default: break;
}
if (rasterPatch != null)
{
PrimitiveSpecification spec = new PrimitiveSpecification(entity,
this.Ontology.PrimitiveTypes["RasterPatch"], rasterPatch);
SimplePrimitive primitive = new SimplePrimitive(this, spec);
Trace.WriteLine("Tile is ready.");
return(new SingleImageResult(primitive));
}
}
}
return(new SingleImageResult(null));
}
