project_3d_to_2d Subroutine

public subroutine project_3d_to_2d(x3d, y3d, z3d, azim, elev, dist, x2d, y2d, depth)

Project 3D coordinates to 2D using orthographic projection.

The optional depth output is the camera-space depth (distance toward the viewer) under the same rotation used for the screen coordinates: larger values are closer to the front. Callers that omit depth are unaffected, so existing behavior is preserved.

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=wp),	intent(in),		contiguous	::	x3d(:)
real(kind=wp),	intent(in),		contiguous	::	y3d(:)
real(kind=wp),	intent(in),		contiguous	::	z3d(:)
real(kind=wp),	intent(in)			::	azim
real(kind=wp),	intent(in)			::	elev
real(kind=wp),	intent(in)			::	dist
real(kind=wp),	intent(out)			::	x2d(size(x3d))
real(kind=wp),	intent(out)			::	y2d(size(x3d))
real(kind=wp),	intent(out),	optional		::	depth(size(x3d))