turf - npm Package Compare versions

Comparing version 0.0.63 to 0.0.64

index.js

 module.exports = {
+  size: require('./lib/size'),
   sample: require('./lib/sample'),
@@ -3,0 +4,0 @@ jenks: require('./lib/jenks'),

lib/buffer.js

@@ -6,3 +6,3 @@ //http://stackoverflow.com/questions/839899/how-do-i-calculate-a-point-on-a-circles-circumference
 
-module.exports = function(point, radius, done){
+module.exports = function(point, radius, units, done){
   var geometry = point.geometry
@@ -18,2 +18,13 @@ var type = geometry.type
 
+  switch(units){
+    case 'miles':
+      radius = radius / 69.047
+      break
+    case 'kilometers':
+      radius = radius / 111.12
+      break
+    case 'degrees':
+      break
+  }
+
   switch(type){
@@ -20,0 +31,0 @@ case 'Point':

package.json

 {
   "name": "turf",
-  "version": "0.0.63",
+  "version": "0.0.64",
   "description": "a node.js library for performing geospatial operations with geojson",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

@@ -42,2 +42,3 @@ turf
 - square
+- size
 - center
@@ -67,5 +68,5 @@ - bboxPolygon
 
+- krige
 - interval
 - cluster
-- size
 - bezier
@@ -203,2 +204,16 @@ - interpolate
 
+**size**
+
+Takes a bbox and returns a new bbox with a size expanded or contracted by a factor of X.
+
+```javascript
+var bbox = [0, 0, 10, 10]
+
+t.size(bbox, 2, function(err, doubled){
+  if(err) throw err
+  console.log(doubled) // [-10, -10, 20, 20]
+})
+```
+
+
 **center**
@@ -321,4 +336,5 @@
 var pt = t.point(0, 0.5)
+var unit = 'miles'
 
-t.buffer(pt, 10, function(err, buffered){
+t.buffer(pt, 10, unit, function(err, buffered){
   if(err) throw err
@@ -325,0 +341,0 @@ console.log(buffered)

test/buffer.js

@@ -6,4 +6,4 @@ var t = require('../index'), fs = require('fs')
     t.load('../test/testIn/Point1.geojson', function(err, pt){
-      t.buffer(pt, 10, function(err, buffered){
-        //fs.writeFileSync('./testOut/test.geojson',JSON.stringify(buffered))
+      t.buffer(pt, 10, 'miles', function(err, buffered){
+        fs.writeFileSync('./testOut/buffered.geojson',JSON.stringify(buffered))
         if(err) throw err
@@ -10,0 +10,0 @@ done()

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Improved metrics

Total package byte prevSize

1002527

increased by1.76%

Number of package files

115

increased by4.55%

Lines of code

11844

increased by0.68%

Number of lines in readme file

578

increased by2.85%

No dependency changes