[Bf-blender-cvs] [aadaff4] soc-2016-multiview: fix self correspondence error

[Tianwei Shen]

Commit: aadaff4a7e7cd60ae9d420db1cc1da59eafcdb82
Author: Tianwei Shen
Date:   Tue Jul 19 18:51:25 2016 +0800
Branches: soc-2016-multiview
https://developer.blender.org/rBaadaff4a7e7cd60ae9d420db1cc1da59eafcdb82

fix self correspondence error

a track cannot link to itself

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

M       source/blender/blenkernel/intern/tracking_correspondence.c

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

diff --git a/source/blender/blenkernel/intern/tracking_correspondence.c 
b/source/blender/blenkernel/intern/tracking_correspondence.c
index db29b65..1e2a267 100644
--- a/source/blender/blenkernel/intern/tracking_correspondence.c
+++ b/source/blender/blenkernel/intern/tracking_correspondence.c
@@ -95,8 +95,13 @@ MovieTrackingCorrespondence 
*BKE_tracking_correspondence_add(ListBase *corr_base
                                                              char *error_msg, 
int error_size)
 {
        MovieTrackingCorrespondence *corr = NULL;
+       // check self correspondences
+       if (self_track == other_track) {
+               BLI_strncpy(error_msg, N_("Cannot link a track to itself"), 
error_size);
+               return NULL;
+       }
        // check duplicate correspondences or conflict correspondence
-       for(corr = corr_base->first; corr != NULL; corr = corr->next)
+       for (corr = corr_base->first; corr != NULL; corr = corr->next)
        {
                if (corr->self_clip == self_clip && corr->self_track == 
self_track) {
                        // duplicate correspondences
@@ -251,6 +256,7 @@ static int libmv_CorrespondencesFromTracking(ListBase 
*tracking_correspondences,
        MovieTrackingCorrespondence *corr;
        corr = tracking_correspondences->first;
        while (corr) {
+               printf("enter corr\n");
                int clip1 = -1, clip2 = -1, track1 = -1, track2 = -1;
                MovieClip *self_clip = corr->self_clip;
                MovieClip *other_clip = corr->other_clip;
@@ -356,6 +362,7 @@ BKE_tracking_multiview_reconstruction_context_new(MovieClip 
**clips,
                        int num_valid_corrs = 
libmv_CorrespondencesFromTracking(&tracking->correspondences, clips,
                                                                                
num_clips, context->correspondences,
                                                                                
context->track_global_index);
+                       printf("num valid corrs: %d\n", num_valid_corrs);
                        BLI_assert(num_valid_corrs == 
BLI_listbase_count(&tracking->correspondences));
 
                        BLI_strncpy(context->object_name, object->name, 
sizeof(context->object_name));

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