Optional colorOptional containsThe custom function to test if a given extent is contained in this source. Note: we assume this function accepts extents in this source's CRS.
Optional flipYShould images be flipped vertically during composition ?
Optional is8bitThe data type of images generated.
For regular color images, this should be true. For images with a high dynamic range,
or images that requires additional processing, this should be false.
The custom color space of the generated textures. See https://threejs.org/docs/#manual/en/introduction/Color-management for more information. If unspecified, the source considers that 8-bit images are in the sRGB color space, otherwise
NoColorSpace.