使用 4*4*4 的控制点

pkg/producer/rpc.go

@@ -56,8 +56,8 @@ type RPCModel struct {
 // rational polynomial coeffients
 func NewRPC(r *Registrator, scene *Scene, rpb string) *RPC {
 	rpc := RPC{
-		elevationLayer: 4,
-		gridsize:       19,
+		elevationLayer: 3,
+		gridsize:       3,
 		registrator:    r,
 		scene:          scene,
 		rpb:            rpb,