Moved stuff around a bit

apps/4dface.cpp

@@ -209,12 +209,15 @@ int main(int argc, char *argv[])
 		vector<Vec2f> image_points;
 		render::Mesh mesh;
 		std::tie(mesh, rendering_params) = fitting::fit_shape_and_pose(morphable_model, blendshapes, rcr_to_eos_landmark_collection(current_landmarks), landmark_mapper, unmodified_frame.cols, unmodified_frame.rows, edge_topology, ibug_contour, model_contour, 3, 5, 15.0f, boost::none, shape_coefficients, blendshape_coefficients, image_points);
-		Mat affine_cam = fitting::get_3x4_affine_camera_matrix(rendering_params, frame.cols, frame.rows);
 
 		// Draw the 3D pose of the face:
 		draw_axes_topright(glm::eulerAngles(rendering_params.get_rotation())[0], glm::eulerAngles(rendering_params.get_rotation())[1], glm::eulerAngles(rendering_params.get_rotation())[2], frame);
+
+		// Wireframe rendering of mesh of this frame (non-averaged):
+		draw_wireframe(frame, mesh, rendering_params.get_modelview(), rendering_params.get_projection(), fitting::get_opencv_viewport(frame.cols, frame.rows));
 
-		// Get the fitted mesh, extract the texture:
+		// Extract the texture using the fitted mesh from this frame:
+		Mat affine_cam = fitting::get_3x4_affine_camera_matrix(rendering_params, frame.cols, frame.rows);
 		Mat isomap = render::extract_texture(mesh, affine_cam, unmodified_frame, true, render::TextureInterpolation::NearestNeighbour, 512);
 
 		// Merge the isomaps - add the current one to the already merged ones:
@@ -224,9 +227,6 @@ int main(int argc, char *argv[])
 		auto merged_shape = morphable_model.get_shape_model().draw_sample(shape_coefficients) + morphablemodel::to_matrix(blendshapes) * Mat(blendshape_coefficients);
 		render::Mesh merged_mesh = morphablemodel::sample_to_mesh(merged_shape, morphable_model.get_color_model().get_mean(), morphable_model.get_shape_model().get_triangle_list(), morphable_model.get_color_model().get_triangle_list(), morphable_model.get_texture_coordinates());
 
-		// Wireframe rendering of mesh of this frame (non-averaged):
-		draw_wireframe(frame, mesh, rendering_params.get_modelview(), rendering_params.get_projection(), fitting::get_opencv_viewport(frame.cols, frame.rows));
-
 		// Render the model in a separate window using the estimated pose, shape and merged texture:
 		Mat rendering;
 		auto modelview_no_translation = rendering_params.get_modelview();