added new tex comments/details

worked on evaluation
stair sanitizing
added stair-plotting (for debug)

code/eval/PaperPlot.h

@@ -21,6 +21,7 @@ public:
 
 	K::GnuplotSplotElementLines floors;
 	K::GnuplotSplotElementColorPoints nodes;
+	K::GnuplotSplotElementLines edges;
 
 public:
 
@@ -28,9 +29,13 @@ public:
 
 		floors.setLineWidth(2);
 
+		plot.add(&edges);
 		plot.add(&nodes);
 		plot.add(&floors);
 
+		nodes.setPointSize(0.7);
+		edges.setColorHex("#555555");
+
 		gp << "set ticslevel 0\n";
 
 
@@ -89,6 +94,40 @@ public:
 
 	}
 
+	/** show all nodes (and edges?) within the given region */
+	template <typename T> void debugGrid(Grid<T>& grid, const BBox3& bbox, const bool addNodes, const bool addEdges) {
+
+		std::set<uint64_t> used;
+
+		for (T& n1 : grid) {
+			if (bbox.contains(n1)) {
+				const K::GnuplotPoint3 p1(n1.x_cm, n1.y_cm, n1.z_cm);
+				if (addNodes) {
+					nodes.add(p1, 0);
+				}
+				if (addEdges) {
+					for (const T& n2 : grid.neighbors(n1)) {
+						if (n1.z_cm == n2.z_cm) {continue;}	// speedup
+						if (used.find(n2.getIdx()) == used.end()) {
+							const K::GnuplotPoint3 p2(n2.x_cm, n2.y_cm, n2.z_cm);
+							edges.addSegment(p1, p2);
+						}
+					}
+					used.insert(n1.getIdx());
+//					for (const T& n2 : grid.neighbors(n1)) {
+//						const uint64_t idx = n1.getIdx() * n2.getIdx();
+//						if (used.find(idx) == used.end()) {
+//							const K::GnuplotPoint3 p2(n2.x_cm, n2.y_cm, n2.z_cm);
+//							edges.addSegment(p1, p2);
+//							used.insert(idx);
+//						}
+//					}
+				}
+			}
+		}
+
+	}
+
 
 };