| xBase | First x index of Terrain holes samples to retrieve. |
| yBase | First y index of Terrain holes samples to retrieve. |
| width | Number of samples to retrieve along the Terrain holes x axis. |
| height | Number of samples to retrieve along the Terrain holes y axis. |
Gets an array of Terrain holes samples.
Returns a two-dimensional array of Terrain holes samples. The samples are represented as bool values: true for surface and false for hole. The array has the dimensions [height,width] and is indexed as [y,x].