save_multipolygonz_to_obj: Save MULTIPOLYGON Z sf data to OBJ file

In tylermorganwall/rayshader: Create Maps and Visualize Data in 2D and 3D

Save MULTIPOLYGON Z sf data to OBJ file

Description

Converts MULTIPOLYGON Z features into a 3D OBJ model

Usage

save_multipolygonz_to_obj(sfobj, filename, swap_yz = FALSE)

Arguments

sfobj	sf object with MULTIPOLYGON Z geometry,
filename	Filename of the OBJ to save the 3D model to.
swap_yz	Default 'TRUE'., Whether to swap and Y and Z axes. (Y axis is vertical in rayshader coordinates, but data is often provided with Z being vertical).

Examples

#Convert the built-in Washington Monument MULTIPOLYGON Z data to an OBJ file
obj_temp = tempfile(fileext=".obk")
save_multipolygonz_to_obj(washington_monument_multipolygonz, obj_temp, swap_yz=TRUE)
#Render with rgl
rgl::open3d()
render_obj(filename=obj_temp, xyz=matrix(c(0,0,0),ncol=3), color="red")
render_camera(theta=30,phi=40)

tylermorganwall/rayshader documentation built on Dec. 21, 2024, 4:29 p.m.