Merge branch 'tm_openvdb_integration' into lm_tm_hollowing

* Refactor file names in SLA dir

src/libslic3r/SLA/Clustering.hpp

@@ -0,0 +1,30 @@
+#ifndef SLA_CLUSTERING_HPP
+#define SLA_CLUSTERING_HPP
+
+#include <vector>
+#include <libslic3r/SLA/Common.hpp>
+#include <libslic3r/SLA/SpatIndex.hpp>
+
+namespace Slic3r { namespace sla {
+
+using ClusterEl = std::vector<unsigned>;
+using ClusteredPoints = std::vector<ClusterEl>;
+
+// Clustering a set of points by the given distance.
+ClusteredPoints cluster(const std::vector<unsigned>& indices,
+                        std::function<Vec3d(unsigned)> pointfn,
+                        double dist,
+                        unsigned max_points);
+
+ClusteredPoints cluster(const PointSet& points,
+                        double dist,
+                        unsigned max_points);
+
+ClusteredPoints cluster(
+    const std::vector<unsigned>& indices,
+    std::function<Vec3d(unsigned)> pointfn,
+    std::function<bool(const PointIndexEl&, const PointIndexEl&)> predicate,
+    unsigned max_points);
+
+}}
+#endif // CLUSTERING_HPP