bpy_extras submodule (bpy_extras.view3d_utils)

bpy_extras.view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)

Return a direction vector from the viewport at the spesific 2d region coordinate.

Parameters:
  • region (Region) – region of the 3D viewport, typically bpy.context.region.
  • rv3d (RegionView3D) – 3D region data, typically bpy.context.space_data.region_3d.
  • coord (2d vector) – 2d coordinates relative to the region: (event.mouse_region_x, event.mouse_region_y) for example.
Returns:

normalized 3d vector.

Return type:

Vector

bpy_extras.view3d_utils.region_2d_to_location_3d(region, rv3d, coord, depth_location)

Return a 3d location from the region relative 2d coords, aligned with depth_location.

Parameters:
  • region (Region) – region of the 3D viewport, typically bpy.context.region.
  • rv3d (RegionView3D) – 3D region data, typically bpy.context.space_data.region_3d.
  • coord (2d vector) – 2d coordinates relative to the region; (event.mouse_region_x, event.mouse_region_y) for example.
  • depth_location (3d vector) – the returned vectors depth is aligned with this since there is no defined depth with a 2d region input.
Returns:

normalized 3d vector.

Return type:

Vector

bpy_extras.view3d_utils.location_3d_to_region_2d(region, rv3d, coord)

Return the region relative 2d location of a 3d position.

Parameters:
  • region (Region) – region of the 3D viewport, typically bpy.context.region.
  • rv3d (RegionView3D) – 3D region data, typically bpy.context.space_data.region_3d.
  • coord (3d vector) – 3d worldspace location.
Returns:

2d location

Return type:

Vector

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