turf - npm Package Compare versions

Comparing version 0.0.89 to 0.0.90

index.js

 module.exports = {
+  count: require('./lib/count'),
   erase: require('./lib/erase'),
@@ -3,0 +4,0 @@ variance: require('./lib/variance'),

lib/aggregate.js

@@ -10,2 +10,3 @@ var _ = require('lodash')
 t.variance = require('./variance')
+t.count = require('./count')
 
@@ -50,2 +51,7 @@ module.exports = function(polygons, points, aggregations, done){
         break
+      case 'count':
+        t.count(polygons, points, agg.inField, agg.outField, function(err, counted){
+          polygons = counted
+        })
+        break
       default:
@@ -52,0 +58,0 @@ done(new Error('"'+agg.aggregation +'" is not a recognized aggregation operation.'))

package.json

 {
   "name": "turf",
-  "version": "0.0.89",
+  "version": "0.0.90",
   "description": "a node.js library for performing geospatial operations with geojson",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

@@ -79,2 +79,3 @@ turf
 - [max](#max)
+- [count](#count)
 - [deviation](#deviation)
@@ -834,2 +835,28 @@ - [variance](#variance)
 
+###count
+
+Calculates the count of points within a set of polygons.
+
+```javascript
+var t = require('turf')
+
+var poly1 = t.polygon([[[0,0],[10,0],[10,10], [0,10]]])
+var poly2 = t.polygon([[[10,0],[20,10],[20,20], [20,0]]])
+var polyFC = t.featurecollection([poly1, poly2])
+var pt1 = t.point(1,1, {population: 500})
+var pt2 = t.point(1,3, {population: 400})
+var pt3 = t.point(14,2, {population: 600})
+var pt4 = t.point(13,1, {population: 500})
+var pt5 = t.point(19,7, {population: 200})
+var ptFC = t.featurecollection([pt1, pt2, pt3, pt4, pt5])
+
+t.count(polyFC, ptFC, 'population', 'point_count', function(err, counted){
+  if(err) throw err
+
+  console.log(counted.features[0].properties.point_count) // 2
+  console.log(counted.features[1].properties.point_count) // 3
+})
+```
+
+
 ###deviation
@@ -836,0 +863,0 @@

test/aggregate.js

@@ -50,2 +50,7 @@ var t = require('../index'),
         outField: 'pop_variance'
+      },
+      {
+        aggregation: 'count',
+        inField: '*',
+        outField: 'point_count'
       }
@@ -52,0 +57,0 @@ ]

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Improved metrics

Total package byte prevSize

3464796

increased by0.12%

Number of package files

234

increased by1.74%

Lines of code

21865

increased by0.36%

Number of lines in readme file

1035

increased by2.68%

No dependency changes