Returns an ElevationProvider that aggregates multiple providers into one.
The getElevation method will then sample
all underlying providers and return a single GetElevationResult containing
samples from all providers.
This can be useful if a scene contains multiple overlapping terrains for example.
Returns an ElevationProvider that aggregates multiple providers into one. The getElevation method will then sample all underlying providers and return a single GetElevationResult containing samples from all providers.
This can be useful if a scene contains multiple overlapping terrains for example.