private void SetupCtx2D(SpatialContext ctx)
{
if (!ctx.IsGeo)
{
ctx2D = ctx;
}
//A non-geo version of ctx.
SpatialContextFactory ctxFactory = new SpatialContextFactory
{
IsGeo = false,
WorldBounds = ctx.WorldBounds
};
ctx2D = ctxFactory.CreateSpatialContext();
}
private void SetupQuadGrid(int maxLevels)
{
//non-geospatial makes this test a little easier (in gridSnap), and using boundary values 2^X raises
// the prospect of edge conditions we want to test, plus makes for simpler numbers (no decimals).
SpatialContextFactory factory = new SpatialContextFactory
{
IsGeo = false,
WorldBounds = new Rectangle(0, 256, -128, 128, null)
};
this.ctx = factory.CreateSpatialContext();
//A fairly shallow grid, and default 2.5% distErrPct
if (maxLevels == -1)
{
maxLevels = randomIntBetween(1, 8);//max 64k cells (4^8), also 256*256
}
this.grid = new QuadPrefixTree(ctx, maxLevels);
this.strategy = new RecursivePrefixTreeStrategy(grid, GetType().Name);
}
