artist_build – vkframes

interface
private subroutine artist_build(self, viewer, group)

Type	Intent		Name
class(TrajectoryArtist),	intent(inout)	::	self
type(c_ptr),	intent(in)	::	viewer	compiles nodes made later (may be null); the parent group
type(c_ptr),	intent(in)	::	group	compiles nodes made later (may be null); the parent group

Create the artist's render nodes under group. viewer (may be null) compiles the nodes it creates later.