Spatial script for my JS.Everywhere 2012
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The document provides commands for adding spatial data to MongoDB. It includes steps to import coordinate data from a JSON file into a MongoDB collection called "parkpoints", build a 2D index on the "pos" field, and perform simple spatial queries and a geoNear query to find documents near a given location. It also shows how to create a new "checkin" collection, insert documents with location data, update an existing document, and query the checkin collection.
![1 #commands for adding spatial data!
2 !
3 #Take a look at the file first!
4 #less parkcoord.json!
5 !
6 #get the file on the server!
7 scp parkcoord.json 30bb1262b1364026855e358a649f171b@parks-spmongo.rhcloud.com:app-root/data!
8 !
9 #ssh into the machine!
10 ssh 30bb1262b1364026855e358a649f171b@parks-spmongo.rhcloud.com!
11 !
12 !
13 #import into mongo!
14 mongoimport -d parks -c parkpoints --type json --file app-root/data/parkcoord.json -h
… $OPENSHIFT_NOSQL_DB_HOST -u admin -p $OPENSHIFT_NOSQL_DB_PASSWORD!
15 !
16 #open the mongo shell!
17 mongo !
18 !
19 #build the index!
20 db.parkpoints.ensureIndex({"pos":"2d"});!
21 !
22 #Now some queries!
23 #simple spatial!
24 db.parkpoints.find({"pos" : { "$near" : [-37, 41]}});!
25 !
26 #spatial and text query using regex!
27 db.parkpoints.find( { Name : /lincoln/i, pos : { $near : [-37,41] }} );!
28 !
29 #geonear TODO!
30 db.runCommand({ geoNear : "parkpoints", near : [-37,41], num : 10 });!
31 !
32 !
33 https://github.com/openshift/openshift-mongo-node-express-example!
34 !
35 http://nodewsos-spdemo.rhcloud.com/ws/parks!
36 !
37 !
38 !
39 !
40 !
41 !
42 #create a new collection from scratch!
43 db.createCollection("checkin");!
44 db.checkin.ensureIndex( { "pos" : "2d" } );!
45 !
46 #insert a new record!
47 db.checkin.insert({ "created" : new Date(), "Notes" : 'just landed', "pos" : [-76.7302 , 25.5332 ] })!
48 ! !
49 #quick query to make sure it worked!
50 db.checkin.find( { pos : { $near : [-37,41] } } )!
51 !
52 #add a second document closer to query point!
53 #this is an upsert - since we don't pass in the _id it creates a new record!
54 db.checkin.save({ created : new Date(), Notes: 'that was a big step', pos : [-37.7302 , 40.5332 ]});!
55 !
56 #one way to update original document!
57 myDoc = db.checkin.findOne({_id : ObjectId("50130d8ea8f6532e83026bc1")});!
58 myDoc.Notes = "really the landing";!
59 db.checkin.save(myDoc);!
60 !
61 !
62 !
63 !
64](https://image.slidesharecdn.com/spatialscript-txt-121026133215-phpapp02/85/Spatial-script-for-my-JS-Everywhere-2012-1-320.jpg)
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Spatial script for my JS.Everywhere 2012
- 1. 1 #commands for adding spatial data! 2 ! 3 #Take a look at the file first! 4 #less parkcoord.json! 5 ! 6 #get the file on the server! 7 scp parkcoord.json 30bb1262b1364026855e358a649f171b@parks-spmongo.rhcloud.com:app-root/data! 8 ! 9 #ssh into the machine! 10 ssh 30bb1262b1364026855e358a649f171b@parks-spmongo.rhcloud.com! 11 ! 12 ! 13 #import into mongo! 14 mongoimport -d parks -c parkpoints --type json --file app-root/data/parkcoord.json -h … $OPENSHIFT_NOSQL_DB_HOST -u admin -p $OPENSHIFT_NOSQL_DB_PASSWORD! 15 ! 16 #open the mongo shell! 17 mongo ! 18 ! 19 #build the index! 20 db.parkpoints.ensureIndex({"pos":"2d"});! 21 ! 22 #Now some queries! 23 #simple spatial! 24 db.parkpoints.find({"pos" : { "$near" : [-37, 41]}});! 25 ! 26 #spatial and text query using regex! 27 db.parkpoints.find( { Name : /lincoln/i, pos : { $near : [-37,41] }} );! 28 ! 29 #geonear TODO! 30 db.runCommand({ geoNear : "parkpoints", near : [-37,41], num : 10 });! 31 ! 32 ! 33 https://github.com/openshift/openshift-mongo-node-express-example! 34 ! 35 http://nodewsos-spdemo.rhcloud.com/ws/parks! 36 ! 37 ! 38 ! 39 ! 40 ! 41 ! 42 #create a new collection from scratch! 43 db.createCollection("checkin");! 44 db.checkin.ensureIndex( { "pos" : "2d" } );! 45 ! 46 #insert a new record! 47 db.checkin.insert({ "created" : new Date(), "Notes" : 'just landed', "pos" : [-76.7302 , 25.5332 ] })! 48 ! ! 49 #quick query to make sure it worked! 50 db.checkin.find( { pos : { $near : [-37,41] } } )! 51 ! 52 #add a second document closer to query point! 53 #this is an upsert - since we don't pass in the _id it creates a new record! 54 db.checkin.save({ created : new Date(), Notes: 'that was a big step', pos : [-37.7302 , 40.5332 ]});! 55 ! 56 #one way to update original document! 57 myDoc = db.checkin.findOne({_id : ObjectId("50130d8ea8f6532e83026bc1")});! 58 myDoc.Notes = "really the landing";! 59 db.checkin.save(myDoc);! 60 ! 61 ! 62 ! 63 ! 64