Commit: 157fc433698558fc03ac4b58ede9e27521aae8a8
Author: Sergey Sharybin
Date:   Thu Jul 24 21:00:35 2014 +0600
Branches: master
https://developer.blender.org/rB157fc433698558fc03ac4b58ede9e27521aae8a8

Implement option to parent object to undistorted position of 2D track

===================================================================

M       release/scripts/startup/bl_ui/properties_constraint.py
M       source/blender/blenkernel/intern/constraint.c
M       source/blender/editors/space_view3d/space_view3d.c
M       source/blender/makesdna/DNA_constraint_types.h
M       source/blender/makesrna/intern/rna_constraint.c
M       source/blender/makesrna/intern/rna_tracking.c

===================================================================

diff --git a/release/scripts/startup/bl_ui/properties_constraint.py 
b/release/scripts/startup/bl_ui/properties_constraint.py
index 5010760..4baf31a 100644
--- a/release/scripts/startup/bl_ui/properties_constraint.py
+++ b/release/scripts/startup/bl_ui/properties_constraint.py
@@ -788,6 +788,10 @@ class ConstraintButtonsPanel():
         row.prop(con, "use_active_clip")
         row.prop(con, "use_3d_position")
 
+        sub = row.column()
+        sub.active = not con.use_3d_position
+        sub.prop(con, "use_undistorted_position")
+
         col = layout.column()
 
         if not con.use_active_clip:
diff --git a/source/blender/blenkernel/intern/constraint.c 
b/source/blender/blenkernel/intern/constraint.c
index b256f84..2f8690a 100644
--- a/source/blender/blenkernel/intern/constraint.c
+++ b/source/blender/blenkernel/intern/constraint.c
@@ -3943,19 +3943,31 @@ static void followtrack_evaluate(bConstraint *con, 
bConstraintOb *cob, ListBase
 
                if (len > FLT_EPSILON) {
                        CameraParams params;
+                       int width, height;
                        float pos[2], rmat[4][4];
 
+                       BKE_movieclip_get_size(clip, NULL, &width, &height);
+
                        marker = BKE_tracking_marker_get(track, framenr);
 
                        add_v2_v2v2(pos, marker->pos, track->offset);
 
+                       if (data->flag & FOLLOWTRACK_USE_UNDISTORTION) {
+                               /* Undistortion need to happen in pixel space. 
*/
+                               pos[0] *= width;
+                               pos[1] *= height;
+
+                               BKE_tracking_undistort_v2(tracking, pos, pos);
+
+                               /* Normalize pixel coordinates back. */
+                               pos[0] /= width;
+                               pos[1] /= height;
+                       }
+
                        /* aspect correction */
                        if (data->frame_method != FOLLOWTRACK_FRAME_STRETCH) {
-                               int width, height;
                                float w_src, h_src, w_dst, h_dst, asp_src, 
asp_dst;
 
-                               BKE_movieclip_get_size(clip, NULL, &width, 
&height);
-
                                /* apply clip display aspect */
                                w_src = width * clip->aspx;
                                h_src = height * clip->aspy;
diff --git a/source/blender/editors/space_view3d/space_view3d.c 
b/source/blender/editors/space_view3d/space_view3d.c
index eb2310f..1273b90 100644
--- a/source/blender/editors/space_view3d/space_view3d.c
+++ b/source/blender/editors/space_view3d/space_view3d.c
@@ -915,7 +915,7 @@ static void view3d_main_area_listener(bScreen *sc, ScrArea 
*sa, ARegion *ar, wmN
                        ED_region_tag_redraw(ar);
                        break;
                case NC_MOVIECLIP:
-                       if (wmn->data == ND_DISPLAY)
+                       if (wmn->data == ND_DISPLAY || wmn->action == NA_EDITED)
                                ED_region_tag_redraw(ar);
                        break;
                case NC_SPACE:
diff --git a/source/blender/makesdna/DNA_constraint_types.h 
b/source/blender/makesdna/DNA_constraint_types.h
index e35e467..0277956 100644
--- a/source/blender/makesdna/DNA_constraint_types.h
+++ b/source/blender/makesdna/DNA_constraint_types.h
@@ -796,7 +796,8 @@ typedef enum ePivotConstraint_Flag {
 
 typedef enum eFollowTrack_Flags {
        FOLLOWTRACK_ACTIVECLIP  = (1<<0),
-       FOLLOWTRACK_USE_3D_POSITION     = (1<<1)
+       FOLLOWTRACK_USE_3D_POSITION     = (1<<1),
+       FOLLOWTRACK_USE_UNDISTORTION    = (1<<2)
 } eFollowTrack_Flags;
 
 typedef enum eFollowTrack_FrameMethod {
diff --git a/source/blender/makesrna/intern/rna_constraint.c 
b/source/blender/makesrna/intern/rna_constraint.c
index eb38c58..5519b19 100644
--- a/source/blender/makesrna/intern/rna_constraint.c
+++ b/source/blender/makesrna/intern/rna_constraint.c
@@ -2452,6 +2452,12 @@ static void rna_def_constraint_follow_track(BlenderRNA 
*brna)
        RNA_def_property_enum_items(prop, frame_method_items);
        RNA_def_property_ui_text(prop, "Frame Method", "How the footage fits in 
the camera frame");
        RNA_def_property_update(prop, NC_OBJECT | ND_CONSTRAINT, 
"rna_Constraint_dependency_update");
+
+       /* use undistortion */
+       prop = RNA_def_property(srna, "use_undistorted_position", PROP_BOOLEAN, 
PROP_NONE);
+       RNA_def_property_boolean_sdna(prop, NULL, "flag", 
FOLLOWTRACK_USE_UNDISTORTION);
+       RNA_def_property_ui_text(prop, "Undistort", "Parent to undistorted 
position of 2D track");
+       RNA_def_property_update(prop, NC_OBJECT | ND_CONSTRAINT, 
"rna_Constraint_update");
 }
 
 static void rna_def_constraint_camera_solver(BlenderRNA *brna)
diff --git a/source/blender/makesrna/intern/rna_tracking.c 
b/source/blender/makesrna/intern/rna_tracking.c
index 537ffe6..899da62 100644
--- a/source/blender/makesrna/intern/rna_tracking.c
+++ b/source/blender/makesrna/intern/rna_tracking.c
@@ -393,6 +393,7 @@ static void rna_tracking_flushUpdate(Main *UNUSED(bmain), 
Scene *scene, PointerR
        nodeUpdateID(scene->nodetree, &clip->id);
 
        WM_main_add_notifier(NC_SCENE | ND_NODES, NULL);
+       WM_main_add_notifier(NC_SCENE, NULL);
        DAG_id_tag_update(&clip->id, 0);
 }

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