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Tracking: Enable "Render Undistorted" only if there is actual distortion 

Applies to "Setup Tracking Scene" operator which configures background
images for the viewport.

Solves unnecessary slowdown and higher memory usage when camera's model
does not have any effective distortion.

Differential Revision: https://developer.blender.org/D5520
This commit is contained in:
Sebastian Koenig 2019-09-05 12:01:24 +02:00 committed by Sergey Sharybin
parent 31c2929496
commit 83875e978d
Notes: blender-bot 2023-02-14 10:32:59 +01:00 
Referenced by issue #69536, Setting dimension of objects parented in scaled object is broken
1 changed files with 13 additions and 1 deletions
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14
release/scripts/startup/bl_operators/clip.py
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@ -39,6 +39,17 @@ def CLIP_spaces_walk(context, all_screens, tarea, tspace, callback, *args):
def CLIP_set_viewport_background(context, clip, clip_user):
def check_camera_has_distortion(tracking_camera):
if tracking_camera.distortion_model == 'POLYNOMIAL':
return not all(k == 0 for k in (tracking_camera.k1,
tracking_camera.k2,
tracking_camera.k3))
elif tracking_camera.distortion_model == 'DIVISION':
return not all(k == 0 for k in (tracking_camera.division_k1,
tracking_camera.division_k2))
return False
def set_background(cam, clip, user):
bgpic = None
@ -53,7 +64,8 @@ def CLIP_set_viewport_background(context, clip, clip_user):
bgpic.source = 'MOVIE_CLIP'
bgpic.clip = clip
bgpic.clip_user.proxy_render_size = user.proxy_render_size
bgpic.clip_user.use_render_undistorted = True
if check_camera_has_distortion(clip.tracking.camera):
bgpic.clip_user.use_render_undistorted = True
bgpic.use_camera_clip = False
cam.show_background_images = True