Wiki source code of Mapwize

Version 26.2 by Xiaoling on 2022/05/26 15:33

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
9.2	78	[[image:image-20220526150915-7.png]]
1.2	79
	80	Create place types
	81
9.2	82
1.2	83	3. Search Venues. （Indoor map area identification）
	84
11.2	85	[[image:image-20220526151046-8.png]]
1.2	86
	87	(((
1.4	88	(((
1.2	89	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.
11.2	90
	91
1.2	92	)))
1.4	93	)))
1.2	94
	95	4. Upload Floor plan.
	96
11.2	97	[[image:image-20220526151223-9.png]]
1.2	98
	99	add images
	100
13.2	101
1.2	102	5. Create Layer
	103
13.2	104	[[image:image-20220526151305-10.png]]
1.2	105
	106	create layer
	107
13.2	108
1.4	109	(((
1.2	110	6. Add iBeacon position info. Drag the iBeacon to match position and input the UUID, MAJOR and MINOR of this iBeacon.
1.4	111	)))
1.2	112
13.2	113	[[image:image-20220526151519-11.png]]
1.2	114
	115	create iBeacon
	116
15.2	117
1.2	118	= 3. Configure TTN =
	119
	120	== 3.1 Configure LBT1 to Upload data to TTN ==
	121
2.4	122	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	123
15.2	124
1.2	125	== 3.2 Decoder in TTN ==
	126
	127	(% class="box" %)
	128	(((
	129	function Decoder(bytes, port) {
	130	\\~/~/ Decode an uplink message from a buffer
	131	\\~/~/ (array) of bytes to an object of fields.
	132	\\value = bytes[0] << 8 \| bytes[1];
	133	\\var batV = value/1000;~/~/Battery,units:V
	134	\\var mode = bytes[5];
	135	\\~/~/var value=(bytes[3]-0x30)1000 +(bytes[5]-0x30)100 + (bytes[5]-0x30)*10 +(bytes[6]-0x30);
	136	\\~/~/var value = bytes.slice(3);
	137	\\var i;
	138	\\var con;
	139	\\var str = "";
	140	\\var major = 1;
	141	\\var minor = 1;
	142	\\var rssi = 0;
	143	\\var addr = "";
	144	\\if(mode ==2 ) {
	145	\\ for(i = 38 ; i<50 ; i++) {
	146	\\ con = bytes[i].toString();
	147	\\ str += String.fromCharCode(con);
	148	\\ }
	149	\\ addr = str;
	150	\\ str = "";
	151	\\ for(i = 6 ; i<38 ; i++) {
	152	\\ con = bytes[i].toString();
	153	\\ str += String.fromCharCode(con);
	154	\\ }
	155	\\ value = str;
	156	\\}
	157	\\if(mode == 3 ) {
	158	\\ str = "";
	159	\\ for(i = 18 ; i < 22 ; i++) {
	160	\\ con = bytes[i].toString();
	161	\\ str += String.fromCharCode(con);
	162	\\ }
	163	\\ major = parseInt(str, 16);
	164	\\ str = "";
	165	\\ for(i = 22 ; i < 26 ; i++) {
	166	\\ con = bytes[i].toString();
	167	\\ str += String.fromCharCode(con);
	168	\\ }
	169	\\ minor = parseInt(str, 16);
	170	\\ str = "";
	171	\\ for(i = 28 ; i < 32 ; i++) {
	172	\\ con = bytes[i].toString();
	173	\\ str += String.fromCharCode(con);
	174	\\ }
	175	\\ rssi = parseInt(str);
	176	\\ str = "";
	177	\\ for(i = 6 ; i < 18 ; i++) {
	178	\\ con = bytes[i].toString();
	179	\\ str += String.fromCharCode(con);
	180	}
	181	\\ value = str;
	182	}
	183	\\if(mode == 1) {
	184	\\ for(i = 6 ; i<11 ; i++) {
	185	\\ con = bytes[i].toString();
	186	\\ str += String.fromCharCode(con);
	187	\\ }
	188	\\ value = str;
	189	}
	190	\\var uuid = value;
	191	\\var alarm = bytes[2] >> 4 & 0x0F;
	192	\\var step_count = (bytes[2] & 0x0F) << 16 \| bytes[3] << 8 \| bytes[4];
	193	\\return {
	194	UUID: uuid,
	195	ADDR: addr,
	196	MAJOR: major,
	197	MINOR: minor,
	198	RSSI:rssi,
	199	STEP: step_count,
	200	ALARM: alarm,
	201	BatV:batV,
	202	};
	203	}
	204
	205	)))
	206
15.2	207
1.2	208	= 4. Set Up Converter Server =
	209
1.4	210	* (((
	211	How to install and run this service on Linux?
	212	)))
1.2	213
1.4	214	(((
1.2	215	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	216	)))
1.2	217
1.4	218	(((
1.2	219	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	220	)))
1.2	221
1.4	222	(((
1.2	223	System: Debian / Ubuntu
1.4	224	)))
1.2	225
1.4	226	(% class="box" %)
	227	(((
	228	step:
1.8	229	\\1. sudo apt install libcurl4-dev
	230	\\2. sudo apt install gcc automake autoconf libtool make cmake
	231	\\3. git clone -b master https:~/~/github.com/mikayong/location.git
	232	\\4. cd location/libmqtt
	233	\\5. mkdir build
	234	\\6. cd build && cmake ../
	235	\\7. make && sudo make install
	236	\\8. cd ../
	237	\\9. make
	238	\\10. sudo cp location_conf.json /etc/
	239	\\11. Edit the configuration file, and run the location service in the background: ./location &
1.4	240	)))
1.2	241
1.4	242	(((
1.2	243	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
15.2	244
	245
1.4	246	)))
1.2	247
	248	= 5. Configuration file： location_conf.json =
	249
1.9	250	* (((
	251	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.
	252	)))
1.2	253
1.9	254	(((
1.2	255	{ "location_conf": {
1.9	256	)))
1.2	257
1.5	258	(% class="box" %)
	259	(((
1.9	260	(((
1.5	261	"loctype": "indoor", ~/~/ indoor/outdoor
	262	"locmap": "mapwize" ~/~/ Map interface: mapwize， traccar
	263	)))
1.9	264	)))
1.2	265
1.9	266	(((
1.2	267	}, "mqtt_conf": {
1.9	268	)))
1.2	269
1.5	270	(% class="box" %)
	271	(((
1.9	272	(((
1.5	273	"servaddr": "[str]", ~/~/ Lorawan server address: Refer to TTN app handler：eu.thethings.network
	274	"servport": [int], ~/~/ Lorawan server port: 1883
1.9	275	"clientid": "[str]", ~/~/ MQTT client identity: Custom
	276	"qos":[int], ~/~/ （Optional） MQTT service quality: 0
	277	"username":"[str]", ~/~/ Agent name of mqtt: application ID of TTN
1.5	278	"password":"[str]", ~/~/ The proxy password of mqtt: application access key of TTN
1.10	279	"topic":"[str]", ~/~/ The topic of mqtt subscription: TTN is + / devices / + / up
1.5	280	"connection":"[str]" }, ~/~/（Optional） mqtt is a string used for direct connection, composed of serveraddr and port
1.9	281	"mapwize_conf":{ ~/~/Map settings
1.5	282	"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
	283	"venueid":"[str]", ~/~/ （Optional）Indoor map area identification
	284	"orgid":"[str]", ~/~/ The identity of the user organizer
	285	"universesid":"[str]", ~/~/The range indicator of the indoor map, find it on the universes page
	286	"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	287	},
	288	"loracloud":{
1.5	289	"token": "[str]" ~/~/The password string of loracloud location service, the outdoor map must fill in the account token of loracloud
	290	)))
1.9	291	)))
1.2	292
1.9	293	(((
1.2	294	}
1.9	295	)))
1.2	296
1.5	297	(% class="box" %)
	298	(((
1.9	299	(((
1.5	300	"rssi_conf": {
	301	"rssirate": [int], ~/~/ （Optional） A basis for rssi calculation distance, the rssi value (absolute value) when the beacon is 1 meter apart
	302	"rssidiv": [float] } ~/~/ （Optional） rssi measures an attenuation value of distance. As the distance to the beacon is farther, the value changes speed
	303	)))
1.9	304	)))
1.2	305
1.9	306	(((
1.2	307	}
1.9	308	)))
1.2	309
	310	* Parameter acquisition method of configuration file：
	311
1.6	312	(% class="box" %)
	313	(((
	314	"username":"[str]"
	315	)))
1.2	316
15.2	317	[[image:image-20220526151707-12.png]]
1.2	318
	319	username
	320
15.2	321
1.6	322	(% class="box" %)
	323	(((
1.8	324	"password":"[str]"
1.6	325	)))
1.2	326
15.2	327	[[image:image-20220526151736-13.png]]
1.2	328
	329	password
	330
15.2	331
1.6	332	(% class="box" %)
	333	(((
	334	"apikey": "[str]"
	335	)))
1.2	336
19.2	337	[[image:image-20220526151819-14.png\|\|height="588" width="1203"]]
1.2	338
	339	apikey
	340
1.6	341	(% class="box" %)
	342	(((
	343	"orgid":"[str]"
	344	)))
1.2	345
19.2	346	[[image:image-20220526152014-15.png]]
1.2	347
	348	orgid
	349
19.2	350
1.6	351	(% class="box" %)
	352	(((
	353	"universesid":"[str]"
	354	)))
1.2	355
19.2	356	[[image:image-20220526152115-16.png]]
1.2	357
	358	universesid
	359
19.2	360
1.6	361	(% class="box" %)
	362	(((
	363	"placetype": "[str]"
	364	)))
1.2	365
19.2	366	[[image:image-20220526152150-17.png]]
1.2	367
	368	placetype
	369
	370
1.6	371	Here are two ways to enter the server：
1.2	372
1.6	373	~1. WinSCP
	374
20.2	375	[[image:image-20220526152303-18.png]]
1.2	376
	377
24.2	378	[[image:image-20220526152355-19.png]]
20.3	379
1.2	380
24.2	381	[[image:image-20220526152912-20.png]]
	382
1.2	383	way1
	384
24.2	385
1.6	386	2. secureCRT
1.2	387
24.2	388	[[image:image-20220526153145-22.png]]
1.2	389
26.2	390	[[image:image-20220526153236-23.png]]
1.2	391
26.2	392	[[image:image-20220526153304-24.png]]
1.2	393
	394	way2
	395
	396	= 6. Test Result =
	397
	398	The real-time position on the map is obtained according to the moving change of LBT1.
	399
	400	[[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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