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Code Issues Releases Wiki Activity

Add jsRoot constructor option

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Workers were being constructed with a hardcoded path of
'shapefile.js'. The new jsRoot option can be used to
specify an alternate location. For example:

  shapefile = new Shapefile({
      shp: "testdata/world.shp",
      dbf: "testdata/world.dbf",
      jsRoot: '/js-shapefile-to-geojson/'
  }, function(data) ...
This commit is contained in:
Chad Burt 2013-09-09 16:07:10 -07:00
parent db9bfd55d8
commit c4cf216ec4
1 changed files with 7 additions and 3 deletions
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10
shapefile.js
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@ -1,14 +1,18 @@
(function(window,undefined){ (function(window,undefined){
if(window.document && window.Worker){ if(window.document && window.Worker){
var worker = new Worker("shapefile.js") var worker = null;
var Shapefile = function(o, callback){ var Shapefile = function(o, callback){
var var
w = this.worker = worker,
t = this, t = this,
o = typeof o == "string" ? {shp: o} : o o = typeof o == "string" ? {shp: o} : o
if (!worker) {
var path = (o.jsRoot || "") + "shapefile.js"
var w = worker = this.worker = new Worker(path)
}
w.onmessage = function(e){ w.onmessage = function(e){
t.data = e.date t.data = e.date
if(callback) callback(e.data) if(callback) callback(e.data)
@ -69,7 +73,7 @@
xhr.send() xhr.send()
if(200 != xhr.status) if(200 != xhr.status)
throw "Unable to load " + o.shp + " status: " + xhr.status throw "Unable to load " + o.shp + " status: " + xhr.status
this.url = o.shp this.url = o.shp
this.stream = new Gordon.Stream(xhr.responseText) this.stream = new Gordon.Stream(xhr.responseText)