lua.wetgenes.grd.copy_data_layer
g:copy_data_layer(gb,z,zb)
Copy one layer (frame) of the bitmap data from gb into g. z is the depth of the layer to copy into zb is the depth of the layer to copy from.
g:copy_data_layer(gb,z,zb)
Copy one layer (frame) of the bitmap data from gb into g. z is the depth of the layer to copy into zb is the depth of the layer to copy from.