reproject - npm Package Compare versions

Comparing version 1.2.2 to 1.2.3

cli.js

@@ -0,0 +0,0 @@ #!/usr/bin/env node

crs-defs.json

@@ -0,0 +0,0 @@ {

index.js

@@ -104,4 +104,14 @@ 'use strict';
   to = determineCrs(to, projs);
-  var transform = proj4(from, to).forward.bind(transform);
+  
+  var transformFunc = proj4(from, to).forward.bind(transformFunc);
 
+  function transform(coords) {
+    var transformed = transformFunc(coords);
+    if (coords.length === 3 && coords[2] !== undefined && transformed[2] === undefined) {
+      // If the projection doesn't explicitly handle Z coordinate, retain the old one.
+      transformed[2] = coords[2];
+    }
+    return transformed;
+  }
+
   var transformGeometryCoords = function(gj) {
@@ -108,0 +118,0 @@ // No easy way to put correct CRS info into the GeoJSON,

package.json

 {
   "name": "reproject",
-  "version": "1.2.2",
+  "version": "1.2.3",
   "description": "Reproject GeoJSON from one projection/CRS to another",
@@ -5,0 +5,0 @@ "repository": "[e-mail]:perliedman/reproject.git",

README.md

@@ -0,0 +0,0 @@ reproject [![Build status](https://travis-ci.org/perliedman/reproject.png)](https://travis-ci.org/perliedman/reproject) [![NPM version](https://badge.fury.io/js/reproject.png)](http://badge.fury.io/js/reproject)

test/reproject.test.js

@@ -26,7 +26,8 @@ 'use strict';
 
-// Checks if `list` looks like a `[x, y]`.
-function isXY(list) {
-  return list.length === 2 &&
+// Checks if `list` looks like a `[x, y]` or `[x, y, z]`.
+function isCoordinate(list) {
+  return (list.length === 2 || list.length === 3) &&
     typeof list[0] === 'number' &&
-    typeof list[1] === 'number';
+    typeof list[1] === 'number' && 
+    (list.length === 3 ? typeof list[2] === 'number' : true);
 }
@@ -39,3 +40,3 @@
 function assertCoords(actual, expected, precision) {
-  if (isXY(expected)) {
+  if (isCoordinate(expected)) {
     expect(actual).to.be.coordinate(expected, precision);
@@ -51,4 +52,4 @@ } else {
 expect.Assertion.prototype.coordinate = function(obj, precision) {
+  this.assert(this.obj.length === 2 || this.obj.length === 3);
   this.assert(
-    this.obj.length === 2 &&
     Math.abs(this.obj[0] - obj[0]) < precision &&
@@ -58,2 +59,8 @@ Math.abs(this.obj[1] - obj[1]) < precision,
     function() { return 'expected ' + this.obj + ' to not be a coordinate close to ' + obj + ' within +/-' + precision; });
+  if (this.obj.length === 3) {
+    this.assert(
+      Math.abs(this.obj[2] - obj[2]) < precision,
+      function() { return 'expected ' + this.obj[2] + ' to be an elevation close to ' + obj[2] + ' within +/-' + precision; },
+      function() { return 'expected ' + this.obj[2] + ' to not be an elevation close to ' + obj[2] + ' within +/-' + precision; });
+  }
 };
@@ -320,3 +327,3 @@
 
-  it('preserves altitude', function() {
+  it('transforms altitude', function() {
     expect(reproj.reproject({
@@ -327,6 +334,16 @@ 'type': 'Point',
       'type': 'Point',
-      'coordinates': [1271138, 6404230, 10]
+      'coordinates': [1271138, 6404230, -38.2270]
     }, 0.5);
   });
 
+  it('preserves altitude in WGS84', function() { 
+    expect(reproj.reproject({
+      'type': 'Point',
+      'coordinates': [319180, 6399862, 10]
+    }, sweref99tm, proj4.WGS84)).to.be.geojson({
+      'type': 'Point',
+      'coordinates': [11.965, 57.704, 10]
+    }, 0.5);
+  });
+
   it('handles null geometry', function() {
@@ -333,0 +350,0 @@ var gj = {

No alert changes

Improved metrics

Lines of code

737

1.1%

Worsened metrics

Total package byte prevSize

30111

-0.53%

Number of package files

9

-10%

No dependency changes