SLA base pool generation framework

xs/CMakeLists.txt

@@ -179,6 +179,8 @@ add_library(libslic3r STATIC
     ${LIBDIR}/libslic3r/SVG.hpp
     ${LIBDIR}/libslic3r/TriangleMesh.cpp
     ${LIBDIR}/libslic3r/TriangleMesh.hpp
+    ${LIBDIR}/libslic3r/SLASupportPool.hpp
+    ${LIBDIR}/libslic3r/SLASupportPool.cpp
 #    ${LIBDIR}/libslic3r/utils.cpp
     ${LIBDIR}/libslic3r/Utils.hpp
 

xs/src/libslic3r/SLASupportPool.cpp

@@ -0,0 +1,33 @@
+
+#include "SLASupportPool.hpp"
+#include "ExPolygon.hpp"
+#include "TriangleMesh.hpp"
+#include "boost/geometry.hpp"
+
+namespace Slic3r { namespace sla {
+
+void ground_layer(const Mesh3D &mesh, GroundLayer &output)
+{
+    Mesh3D m = mesh;
+    TriangleMeshSlicer slicer(&m);
+
+    std::vector<GroundLayer> tmp;
+
+    slicer.slice({0.1f}, &tmp);
+
+    output = tmp.front();
+}
+
+void create_base_pool(const GroundLayer &ground_layer, Mesh3D& out)
+{
+    // 1: Offset the ground layer
+    ExPolygon in;
+    ExPolygon chull;
+    boost::geometry::convex_hull(in, chull);
+
+    // 2: triangulate the ground layer
+
+}
+
+}
+}

xs/src/libslic3r/SLASupportPool.hpp

@@ -0,0 +1,26 @@
+#ifndef SLASUPPORTPOOL_HPP
+#define SLASUPPORTPOOL_HPP
+
+#include <vector>
+
+namespace Slic3r {
+
+class ExPolygon;
+class TriangleMesh;
+
+namespace sla {
+
+using Mesh3D = TriangleMesh;
+using GroundLayer = std::vector<ExPolygon>;
+
+/// Calculate the polygon representing the slice of the lowest layer of mesh
+void ground_layer(const Mesh3D& mesh, GroundLayer& output);
+
+/// Calculate the pool for the mesh for SLA printing
+void create_base_pool(const GroundLayer& ground_layer, Mesh3D& output_mesh);
+
+}
+
+}
+
+#endif // SLASUPPORTPOOL_HPP