private VASS.Streams.StreamArray _build_sidsrc_stream(ShapeIDPairs shapeidpairs, SectionQueryCache cache)
{
int numcells = cache.CountCells();
var sidsrcs = _sidsrcs_for_shapes(shapeidpairs, cache);
var stream = VASS.Streams.StreamArray.FromSidSrc(numcells, sidsrcs);
return(stream);
}
private Streams.StreamArray _build_src_stream(SectionQueryCache cache)
{
int dummy_shapeid = -1;
int shapeindex = 0;
int numcells = cache.CountCells();
var shapecache = cache[shapeindex];
var srcs = _sidsrcs_for_shape(dummy_shapeid, shapecache).Select(i => i.Src);
var stream = Streams.StreamArray.FromSrc(numcells, srcs);
return(stream);
}