Wiki source code of Mapwize

Version 8.2 by Xiaoling on 2022/05/26 15:08

version	line-number	content
1.7	1	~ Contents：
1.2	2
1.1	3	{{toc/}}
	4
	5
1.2	6	= 1. Introduction =
1.1	7
1.2	8	This article shows how to use [[LBT1>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/165-lbt1.html]] to build an Indoor Positioning Solution.
1.1	9
6.2	10	[[image:image-20220526150521-2.png]]
1.1	11
1.2	12	LBT1 Indoor Positioning Network Structure
1.1	13
6.2	14
1.2	15	= 2. Prepare Map =
1.1	16
1.2	17	== 2.1 Prepare iBeacons ==
1.1	18
1.2	19	(((
1.3	20	(((
1.2	21	Any BLE iBeacons should work in this solution, each iBeacon stands for a fix position in the map. Here is an iBeacon for example.
	22	)))
1.3	23	)))
1.1	24
1.2	25	(((
1.3	26	(((
1.2	27	First of all, user needs to accurately place the beacon at each location, which is the reference for positioning.
	28	)))
1.3	29	)))
1.1	30
1.2	31	(((
1.3	32	(((
1.2	33	BCN01 iBeacon from Dragino: [[http:~~/~~/www.dragino.com/products/accessories/item/166-bcn01.html>>url:http://www.dragino.com/products/accessories/item/166-bcn01.html]]
	34	)))
1.3	35	)))
1.1	36
6.2	37	[[image:image-20220526150651-4.png]]
1.1	38
1.2	39	BCN01 iBeacon
1.1	40
8.2	41
1.2	42	(((
1.3	43	(((
1.2	44	We need to get the UUID, MAJOR, MINOR, TXPOWER where each iBeacon is placed. We can get it with the iBeacon software, such as "EW-beacon".
	45	)))
1.3	46	)))
1.1	47
8.2	48	[[image:image-20220526150743-5.png]]
1.1	49
1.2	50	beacon software
	51
	52
8.2	53	[[image:image-20220526150824-6.png]]
1.2	54
	55	beacon software
	56
8.2	57
1.2	58	== 2.2 Create Map ==
	59
	60	(((
1.3	61	(((
1.2	62	Here we use the indoor map at [[https:~~/~~/studio.mapwize.io/>>url:https://studio.mapwize.io/]]. Below shows the steps for create a map and put the iBeacon on a fix position.
	63	)))
1.3	64	)))
1.2	65
	66	(((
1.3	67	(((
1.2	68	~1. Register an account at [[https:~~/~~/studio.mapwize.io/>>url:https://studio.mapwize.io/]] to create an indoor map.
	69	)))
1.3	70	)))
1.2	71
	72	(((
1.3	73	(((
1.2	74	2. Create Place Types.
	75	)))
1.3	76	)))
1.2	77
	78	[[image:https://wiki.dragino.com/images/thumb/4/4d/Beacon10.png/600px-Beacon10.png\|\|height="274" width="600"]]
	79
	80	Create place types
	81
	82	3. Search Venues. （Indoor map area identification）
	83
	84	[[image:https://wiki.dragino.com/images/thumb/e/e8/Beacon11.jpg/600px-Beacon11.jpg\|\|alt="Beacon11.jpg" height="324" width="600"]]
	85
	86	(((
1.4	87	(((
1.2	88	The map accurately places the beacon of ibeacon, which is the reference for positioning. At this time, UUID, MAJOR and MINOR must be filled in correctly.
	89	)))
1.4	90	)))
1.2	91
	92	4. Upload Floor plan.
	93
1.8	94	[[image:https://wiki.dragino.com/images/thumb/d/d1/Beacon12.png/800px-Beacon12.png\|\|alt="File:Beacon12.png" height="196" width="598"]]
1.2	95
	96	add images
	97
	98	5. Create Layer
	99
	100	[[image:https://wiki.dragino.com/images/thumb/0/0e/Beacon13.png/600px-Beacon13.png\|\|height="208" width="600"]]
	101
	102	create layer
	103
1.4	104	(((
1.2	105	6. Add iBeacon position info. Drag the iBeacon to match position and input the UUID, MAJOR and MINOR of this iBeacon.
1.4	106	)))
1.2	107
	108	[[image:https://wiki.dragino.com/images/thumb/1/1d/Beacon14.png/600px-Beacon14.png\|\|height="261" width="600"]]
	109
	110	create iBeacon
	111
	112	= 3. Configure TTN =
	113
	114	== 3.1 Configure LBT1 to Upload data to TTN ==
	115
2.4	116	Please refer the instruction in the [[User Manual>>url:http://www.dragino.com/downloads/index.php?dir=accessories/Bluetooth/BCN01]]. Note the (% style="color:#4f81bd" %)LBT1 need to set to MOD=3(%%) here.
1.2	117
	118	== 3.2 Decoder in TTN ==
	119
	120	(% class="box" %)
	121	(((
	122	function Decoder(bytes, port) {
	123	\\~/~/ Decode an uplink message from a buffer
	124	\\~/~/ (array) of bytes to an object of fields.
	125	\\value = bytes[0] << 8 \| bytes[1];
	126	\\var batV = value/1000;~/~/Battery,units:V
	127	\\var mode = bytes[5];
	128	\\~/~/var value=(bytes[3]-0x30)1000 +(bytes[5]-0x30)100 + (bytes[5]-0x30)*10 +(bytes[6]-0x30);
	129	\\~/~/var value = bytes.slice(3);
	130	\\var i;
	131	\\var con;
	132	\\var str = "";
	133	\\var major = 1;
	134	\\var minor = 1;
	135	\\var rssi = 0;
	136	\\var addr = "";
	137	\\if(mode ==2 ) {
	138	\\ for(i = 38 ; i<50 ; i++) {
	139	\\ con = bytes[i].toString();
	140	\\ str += String.fromCharCode(con);
	141	\\ }
	142	\\ addr = str;
	143	\\ str = "";
	144	\\ for(i = 6 ; i<38 ; i++) {
	145	\\ con = bytes[i].toString();
	146	\\ str += String.fromCharCode(con);
	147	\\ }
	148	\\ value = str;
	149	\\}
	150	\\if(mode == 3 ) {
	151	\\ str = "";
	152	\\ for(i = 18 ; i < 22 ; i++) {
	153	\\ con = bytes[i].toString();
	154	\\ str += String.fromCharCode(con);
	155	\\ }
	156	\\ major = parseInt(str, 16);
	157	\\ str = "";
	158	\\ for(i = 22 ; i < 26 ; i++) {
	159	\\ con = bytes[i].toString();
	160	\\ str += String.fromCharCode(con);
	161	\\ }
	162	\\ minor = parseInt(str, 16);
	163	\\ str = "";
	164	\\ for(i = 28 ; i < 32 ; i++) {
	165	\\ con = bytes[i].toString();
	166	\\ str += String.fromCharCode(con);
	167	\\ }
	168	\\ rssi = parseInt(str);
	169	\\ str = "";
	170	\\ for(i = 6 ; i < 18 ; i++) {
	171	\\ con = bytes[i].toString();
	172	\\ str += String.fromCharCode(con);
	173	}
	174	\\ value = str;
	175	}
	176	\\if(mode == 1) {
	177	\\ for(i = 6 ; i<11 ; i++) {
	178	\\ con = bytes[i].toString();
	179	\\ str += String.fromCharCode(con);
	180	\\ }
	181	\\ value = str;
	182	}
	183	\\var uuid = value;
	184	\\var alarm = bytes[2] >> 4 & 0x0F;
	185	\\var step_count = (bytes[2] & 0x0F) << 16 \| bytes[3] << 8 \| bytes[4];
	186	\\return {
	187	UUID: uuid,
	188	ADDR: addr,
	189	MAJOR: major,
	190	MINOR: minor,
	191	RSSI:rssi,
	192	STEP: step_count,
	193	ALARM: alarm,
	194	BatV:batV,
	195	};
	196	}
	197
	198	)))
	199
	200	= 4. Set Up Converter Server =
	201
1.4	202	* (((
	203	How to install and run this service on Linux?
	204	)))
1.2	205
1.4	206	(((
1.2	207	Step1.Rent a Linux on Amazon cloud or alicloud to the host, and pre install the Linux system (Debian, Ubuntu, CentOS are available for distribution).
1.4	208	)))
1.2	209
1.4	210	(((
1.2	211	Step2.Run the code on the server after compiling. Compilation requires the support of libcurl. First, compile libmqtt in the code, and then compile location.
1.4	212	)))
1.2	213
1.4	214	(((
1.2	215	System: Debian / Ubuntu
1.4	216	)))
1.2	217
1.4	218	(% class="box" %)
	219	(((
	220	step:
1.8	221	\\1. sudo apt install libcurl4-dev
	222	\\2. sudo apt install gcc automake autoconf libtool make cmake
	223	\\3. git clone -b master https:~/~/github.com/mikayong/location.git
	224	\\4. cd location/libmqtt
	225	\\5. mkdir build
	226	\\6. cd build && cmake ../
	227	\\7. make && sudo make install
	228	\\8. cd ../
	229	\\9. make
	230	\\10. sudo cp location_conf.json /etc/
	231	\\11. Edit the configuration file, and run the location service in the background: ./location &
1.4	232	)))
1.2	233
1.4	234	(((
1.2	235	Step3.The location service subscribes to the lora information stream on TTN through the mqtt protocol, parses the information to generate a geographic location, and finally creates a geographic location on the mapwize map. The following is the configuration of the location service, the configuration file is in json format, the file is /etc/location_conf.json
1.4	236	)))
1.2	237
	238	= 5. Configuration file： location_conf.json =
	239
1.9	240	* (((
	241	We use the 120.78.138.177 server as an example. The location service is currently installed on the 120.78.138.177 server, the code is in /root/location, and the configuration file for running location pre-read directly is /etc/location_conf.json.
	242	)))
1.2	243
1.9	244	(((
1.2	245	{ "location_conf": {
1.9	246	)))
1.2	247
1.5	248	(% class="box" %)
	249	(((
1.9	250	(((
1.5	251	"loctype": "indoor", ~/~/ indoor/outdoor
	252	"locmap": "mapwize" ~/~/ Map interface: mapwize， traccar
	253	)))
1.9	254	)))
1.2	255
1.9	256	(((
1.2	257	}, "mqtt_conf": {
1.9	258	)))
1.2	259
1.5	260	(% class="box" %)
	261	(((
1.9	262	(((
1.5	263	"servaddr": "[str]", ~/~/ Lorawan server address: Refer to TTN app handler：eu.thethings.network
	264	"servport": [int], ~/~/ Lorawan server port: 1883
1.9	265	"clientid": "[str]", ~/~/ MQTT client identity: Custom
	266	"qos":[int], ~/~/ （Optional） MQTT service quality: 0
	267	"username":"[str]", ~/~/ Agent name of mqtt: application ID of TTN
1.5	268	"password":"[str]", ~/~/ The proxy password of mqtt: application access key of TTN
1.10	269	"topic":"[str]", ~/~/ The topic of mqtt subscription: TTN is + / devices / + / up
1.5	270	"connection":"[str]" }, ~/~/（Optional） mqtt is a string used for direct connection, composed of serveraddr and port
1.9	271	"mapwize_conf":{ ~/~/Map settings
1.5	272	"apikey": "[str]", ~/~/ The apikey of the map user can be found on the Api keys page of wapwize, and read and write permissions need to be set
	273	"venueid":"[str]", ~/~/ （Optional）Indoor map area identification
	274	"orgid":"[str]", ~/~/ The identity of the user organizer
	275	"universesid":"[str]", ~/~/The range indicator of the indoor map, find it on the universes page
	276	"placetype": "[str]" ~/~/The type of place used to identify the creation must be created on the placetypes page in the map, where the placetype name is filled in
1.2	277	},
	278	"loracloud":{
1.5	279	"token": "[str]" ~/~/The password string of loracloud location service, the outdoor map must fill in the account token of loracloud
	280	)))
1.9	281	)))
1.2	282
1.9	283	(((
1.2	284	}
1.9	285	)))
1.2	286
1.5	287	(% class="box" %)
	288	(((
1.9	289	(((
1.5	290	"rssi_conf": {
	291	"rssirate": [int], ~/~/ （Optional） A basis for rssi calculation distance, the rssi value (absolute value) when the beacon is 1 meter apart
	292	"rssidiv": [float] } ~/~/ （Optional） rssi measures an attenuation value of distance. As the distance to the beacon is farther, the value changes speed
	293	)))
1.9	294	)))
1.2	295
1.9	296	(((
1.2	297	}
1.9	298	)))
1.2	299
	300	* Parameter acquisition method of configuration file：
	301
1.6	302	(% class="box" %)
	303	(((
	304	"username":"[str]"
	305	)))
1.2	306
	307	[[image:https://wiki.dragino.com/images/thumb/d/da/Beacon50.png/600px-Beacon50.png\|\|height="185" width="600"]]
	308
	309	username
	310
1.6	311	(% class="box" %)
	312	(((
1.8	313	"password":"[str]"
1.6	314	)))
1.2	315
1.10	316	[[image:https://wiki.dragino.com/images/thumb/b/bd/Beacon51.png/800px-Beacon51.png\|\|alt="File:Beacon51.png" height="259" width="598"]]
1.2	317
	318	password
	319
1.6	320	(% class="box" %)
	321	(((
	322	"apikey": "[str]"
	323	)))
1.2	324
2.5	325	[[image:https://wiki.dragino.com/images/thumb/5/53/Qwe3.png/800px-Qwe3.png\|\|alt="File:Qwe3.png" height="325" width="606"]]
1.2	326
	327	apikey
	328
1.6	329	(% class="box" %)
	330	(((
	331	"orgid":"[str]"
	332	)))
1.2	333
1.10	334	[[image:https://wiki.dragino.com/images/thumb/f/f4/Qwe4.png/800px-Qwe4.png\|\|alt="File:Qwe4.png" height="304" width="622"]]
1.2	335
	336	orgid
	337
1.6	338	(% class="box" %)
	339	(((
	340	"universesid":"[str]"
	341	)))
1.2	342
	343	[[image:https://wiki.dragino.com/images/thumb/9/9a/Qwe5.jpg/600px-Qwe5.jpg\|\|height="424" width="600"]]
	344
	345	universesid
	346
1.6	347	(% class="box" %)
	348	(((
	349	"placetype": "[str]"
	350	)))
1.2	351
	352	[[image:https://wiki.dragino.com/images/thumb/9/93/Qwe6.png/600px-Qwe6.png\|\|height="318" width="600"]]
	353
	354	placetype
	355
	356
1.6	357	Here are two ways to enter the server：
1.2	358
1.6	359	~1. WinSCP
	360
1.2	361	[[image:https://wiki.dragino.com/images/thumb/6/6b/Ibeacon4.jpg/600px-Ibeacon4.jpg\|\|height="385" width="600"]]
	362
	363	[[image:https://wiki.dragino.com/images/thumb/7/78/Ibeacon5.jpg/600px-Ibeacon5.jpg\|\|height="385" width="600"]]
	364
1.10	365	[[image:https://wiki.dragino.com/images/thumb/c/cd/Ibeacon6.jpg/800px-Ibeacon6.jpg\|\|alt="File:Ibeacon6.jpg" height="362" width="599"]]
1.2	366
	367	way1
	368
1.6	369	2. secureCRT
1.2	370
	371	[[image:https://wiki.dragino.com/images/thumb/7/7b/Ibeacon7.jpg/600px-Ibeacon7.jpg\|\|height="326" width="600"]]
	372
	373	[[image:https://wiki.dragino.com/images/thumb/6/64/Ibeacon8.jpg/600px-Ibeacon8.jpg\|\|height="326" width="600"]]
	374
1.10	375	[[image:https://wiki.dragino.com/images/thumb/d/de/Ibeacon9.jpg/800px-Ibeacon9.jpg\|\|alt="File:Ibeacon9.jpg" height="327" width="602"]]
1.2	376
	377	way2
	378
	379	= 6. Test Result =
	380
	381	The real-time position on the map is obtained according to the moving change of LBT1.
	382
	383	[[image:https://wiki.dragino.com/images/thumb/7/70/Beacon15.png/600px-Beacon15.png\|\|alt="Beacon15.png" height="294" width="600"]]

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