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Spatial script for CIMA
 

Spatial script for CIMA

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    Spatial script for CIMA Spatial script for CIMA Document Transcript

    • 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 dont 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