Fix to src target wrong way

applications/registration/src/correspondances.cpp

@@ -14,15 +14,15 @@ using std::tuple;
 using std::make_tuple;
 
 
-Correspondances::Correspondances(Source *targ, Source *src)
+Correspondances::Correspondances(Source *src, Source *targ)
 	:	parent_(nullptr), targ_(targ), src_(src),
 		targ_cloud_(new PointCloud<PointXYZ>),
 		src_cloud_(new PointCloud<PointXYZ>), uptodate_(true) {
 	transform_.setIdentity();
 }
 
-Correspondances::Correspondances(Correspondances *parent, Source *targ)
-	:	parent_(parent), targ_(targ), src_(parent_->target()),
+Correspondances::Correspondances(Correspondances *parent, Source *src)
+	:	parent_(parent), targ_(parent_->source()), src_(src),
 		targ_cloud_(new PointCloud<PointXYZ>),
 		src_cloud_(new PointCloud<PointXYZ>), uptodate_(true) {
 	transform_.setIdentity();

applications/registration/src/correspondances.hpp

@@ -26,8 +26,8 @@ namespace registration {
  */
 class Correspondances {
 	public:
-	Correspondances(ftl::rgbd::Source *targ, ftl::rgbd::Source *src);
-	Correspondances(Correspondances *parent, ftl::rgbd::Source *targ);
+	Correspondances(ftl::rgbd::Source *src, ftl::rgbd::Source *targ);
+	Correspondances(Correspondances *parent, ftl::rgbd::Source *src);
 
 	ftl::rgbd::Source *source() { return src_; }
 	ftl::rgbd::Source *target() { return targ_; }

applications/registration/src/manual.cpp

@@ -174,7 +174,7 @@ void ftl::registration::manual(ftl::Configurable *root) {
 
 			if (!trgb.empty()) imshow("Target", trgb);
 			if (!srgb.empty()) imshow("Source", srgb);
-		} else {
+		} else if (current->source()->isReady() && current->target()->isReady()) {
 			current->source()->getFrames(tsrgb, tsdepth);
 			current->target()->getFrames(ttrgb, ttdepth);
 			tsrgb.copyTo(srgb);