worked on 2D/3D raytracing

adjusted BVH
improved 2D/3D BVH
new bounding volumes
new test cases
renamed some test-cases for grouping reasons
made GPC header-only using slight adjustments

tests/ray/TestRayTrace2.cpp

@@ -0,0 +1,37 @@
+#ifdef WITH_TESTS
+
+#include "../Tests.h"
+#include "../../wifi/estimate/ray2d/WiFiRayTrace2D.h"
+#include "../../floorplan/v2/FloorplanReader.h"
+#include <fstream>
+
+TEST(RayTrace2, test) {
+
+	//std::string file = "/mnt/data/workspaces/raytest2.xml";
+	//Floorplan::IndoorMap* map = Floorplan::Reader::readFromFile(file);
+	//Floorplan::AccessPoint* ap = map->floors[0]->accesspoints[0];
+
+	//std::string file = "/apps/SHL39.xml";
+	std::string file = "/mnt/data/workspaces/IndoorMap/maps/SHL39.xml";
+	Floorplan::IndoorMap* map = Floorplan::Reader::readFromFile(file);
+	Floorplan::Floor* floor = map->floors[0];
+	Floorplan::AccessPoint* ap = floor->accesspoints[4];
+
+//	ModelFactory fac(map);
+//	std::ofstream outOBJ("/tmp/vm/map.obj");
+//	outOBJ << fac.toOBJ();
+//	outOBJ.close();
+
+	const int gs_cm = 50;
+
+	WiFiRaytrace2D rt(floor, gs_cm, ap->pos.xy());
+
+	std::chrono::time_point<std::chrono::high_resolution_clock> start = std::chrono::high_resolution_clock::now();
+	const DataMapSignal& dms = rt.estimate();
+	std::chrono::time_point<std::chrono::high_resolution_clock> end = std::chrono::high_resolution_clock::now();
+	auto result = std::chrono::duration_cast<std::chrono::milliseconds>(end-start).count();
+	std::cout << "it took: " << result << " msec" << std::endl;
+
+}
+
+#endif