started adding earth-mapping

some new helper methods
added support for floorplan metadata load/save

floorplan/v2/Floorplan.h

@@ -9,6 +9,7 @@
 
 #include "../../geo/Point3.h"
 #include "../../geo/Point2.h"
+#include "../../geo/EarthPos.h"
 
 namespace Floorplan {
 
@@ -21,20 +22,86 @@ namespace Floorplan {
 	/** a free key-value meta element */
 	struct Meta {
 
+		struct KeyVal {
+			std::string key;
+			std::string val;
+			KeyVal() {;}
+			KeyVal(const std::string& key, const std::string& val) : key(key), val(val) {;}
+		};
+
 		const std::string EMPTY = "";
-		std::unordered_map<std::string, std::string> params;
+
+//		std::unordered_map<std::string, std::string> params;
+//		const std::string& getVal(const std::string& key) const {
+//			const auto it = params.find(key);
+//			return (it == params.end()) ? (EMPTY) : (it->second);
+//		}
+
+		std::vector<KeyVal> params;
+
+		KeyVal* getKV(const std::string& key) {
+			for (KeyVal& kv : params) {
+				if (kv.key == key) {return &kv;}
+			}
+			return nullptr;
+		}
+
+		const KeyVal* getKV(const std::string& key) const {
+			for (const KeyVal& kv : params) {
+				if (kv.key == key) {return &kv;}
+			}
+			return nullptr;
+		}
 
 		const std::string& getVal(const std::string& key) const {
-			const auto it = params.find(key);
-			return (it == params.end()) ? (EMPTY) : (it->second);
+			static const std::string EMPTY = "";
+			const KeyVal* kv = getKV(key);
+			return (kv) ? (kv->val) : (EMPTY);
+		}
+		void setVal(const std::string& key, const std::string& val) {(*this)[key] = val;}
+
+		void add(const std::string& key, const std::string& val) {params.push_back(KeyVal(key,val));}
+
+		std::string& operator [] (const std::string& key) {
+			KeyVal* kv = getKV(key);
+			if (!kv) {params.push_back(KeyVal(key, ""));}
+			return getKV(key)->val;
 		}
-		void setVal(const std::string& key, const std::string& val) {params[key] = val;}
 
 		float getFloat(const std::string& key) const			{ return std::stof(getVal(key)); }
-		void setFloat(const std::string& key, const float val)	{ params[key] = std::to_string(val); }
+		void setFloat(const std::string& key, const float val)	{ (*this)[key] = std::to_string(val); }
 
 		int getInt(const std::string& key) const				{ return std::stoi(getVal(key)); }
-		void setInt(const std::string& key, const int val)		{ params[key] = std::to_string(val); }
+		void setInt(const std::string& key, const int val)		{ (*this)[key] = std::to_string(val); }
+
+
+
+		size_t size() const {return params.size();}
+
+		const std::string& getKey(const int idx) const {return params[idx].key;}
+		const std::string& getVal(const int idx) const {return params[idx].val;}
+
+		void set(const int idx, const KeyVal& kv) {params[idx] = kv;}
+		void setKey(const int idx, const std::string& key) {params[idx].key = key;}
+		void setVal(const int idx, const std::string& val) {params[idx].val = val;}
+
+		/** delete the idx-th entry */
+		void deleteEntry(const int idx) {params.erase(params.begin()+idx);}
+
+	};
+
+	class HasMeta {
+
+		Meta* meta = nullptr;
+
+	public:
+
+		Meta* getMeta() const {return meta;}
+
+		void setMeta(Meta* meta) {
+			if (this->meta) {delete this->meta;}
+			this->meta = meta;
+		}
 
 	};
 
@@ -168,14 +235,14 @@ namespace Floorplan {
 	};
 
 	/** an AccessPoint located somewhere on a floor */
-	struct AccessPoint {
+	struct AccessPoint : public HasMeta {
 		std::string name;
 		std::string mac;
 		Point3 pos;		// z is relative to the floor's height
 		struct Model {
-			float txp;
-			float exp;
-			float waf;
+			float txp = 0;
+			float exp = 0;
+			float waf = 0;
 		} model;
 		AccessPoint() : name(), mac(), pos() {;}
 		AccessPoint(const std::string& name, const std::string& mac, const Point3& pos) : name(name), mac(toUpperCase(mac)), pos(pos) {;}
@@ -388,8 +455,7 @@ namespace Floorplan {
 
 
 	/** base-class for stairs */
-	struct Stair {
-		Meta* meta = nullptr;
+	struct Stair : public HasMeta {
 		virtual std::vector<StairPart> getParts() const = 0;
 	};
 
@@ -440,7 +506,7 @@ namespace Floorplan {
 
 
 	/** an image file that can be added to the map */
-		struct UnderlayImage {
+	struct UnderlayImage {
 		std::string name;
 		std::string filename;
 		Point2 anchor;
@@ -450,16 +516,44 @@ namespace Floorplan {
 
 
 
+	/** one correspondence point: earth <-> map */
+	struct EarthPosMapPos {
+
+		EarthPos posOnEarth;
+
+		Point3 posOnMap_m;
+
+		/** ctor */
+		EarthPosMapPos(const EarthPos posOnEarth, const Point3 posOnMap_m) : posOnEarth(posOnEarth), posOnMap_m(posOnMap_m) {;}
+
+	};
+
+
+	/** describe the floorplan's location on earth */
+	struct EarthRegistration {
+
+		/** all available correspondences: earth <-> map */
+		std::vector<EarthPosMapPos> correspondences;
+
+	};
+
 	/** describes the whole indoor map */
 	struct IndoorMap {
 
 		float width;
 		float depth;
+
 		std::vector<Floor*> floors;
 
+		/** mapping: floorplan <-> earth */
+		EarthRegistration earthReg;
+
 		IndoorMap() {;}
 
+		/** no copy */
 		IndoorMap(const IndoorMap& o) = delete;
+
+		/** no copy assign */
 		void operator = (const IndoorMap& o) = delete;
 
 	};