Tracking: Implement Nuke/Natron distortion model

Neither Nuke nor Natron support OpenCV's radial distortion model
which makes it impossible to have any kind of interoperability.

The new model is available under the distortion model menu in Lens
settings.

Differential Revision: https://developer.blender.org/D7484

1 files changed, 12 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/tracking_util.c b/source/blender/blenkernel/intern/tracking_util.c
index 5f7452e4775..629c01ec298 100644
--- a/source/blender/blenkernel/intern/tracking_util.c
+++ b/source/blender/blenkernel/intern/tracking_util.c
@@ -451,6 +451,12 @@ static void distortion_model_parameters_from_tracking(
       camera_intrinsics_options->division_k1 = camera->division_k1;
       camera_intrinsics_options->division_k2 = camera->division_k2;
       return;
+
+    case TRACKING_DISTORTION_MODEL_NUKE:
+      camera_intrinsics_options->distortion_model = LIBMV_DISTORTION_MODEL_NUKE;
+      camera_intrinsics_options->nuke_k1 = camera->nuke_k1;
+      camera_intrinsics_options->nuke_k2 = camera->nuke_k2;
+      return;
   }
 
   /* Unknown distortion model, which might be due to opening newer file in older Blender.
@@ -479,6 +485,12 @@ static void distortion_model_parameters_from_options(
       camera->division_k1 = camera_intrinsics_options->division_k1;
       camera->division_k2 = camera_intrinsics_options->division_k2;
       return;
+
+    case LIBMV_DISTORTION_MODEL_NUKE:
+      camera->distortion_model = TRACKING_DISTORTION_MODEL_NUKE;
+      camera->nuke_k1 = camera_intrinsics_options->nuke_k1;
+      camera->nuke_k2 = camera_intrinsics_options->nuke_k2;
+      return;
   }
 
   /* Libmv returned distortion model which is not known to Blender. This is a logical error in code