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0
votes
3answers
109 views

ArcGIS API for JavaScript - Create simple buffer or circle graphic against one point

I am stuck, trying to figure out how to create a simple graphic for adding a circle based on one point in my web map. I need the circle to be centered on my single point, with a radius of 5 miles. I ...
1
vote
0answers
93 views

Show Geometric Network Topology data in the web

I am trying to locate any API's for JavaScript (or other) that will help me to display current linear Geometric Network Topology and add multiple point/line geometry from JSON in HTML/JS. I ...
1
vote
1answer
33 views

ArcGIS API for JavaScript - Adding Point(s)

I need to add a single point, I am new to JS and ArcGIS API. I was looking for some code examples on how to create a point and/or a few other points (as needed) I can't use any additional ...
0
votes
0answers
41 views

Google Maps API to DOJO/ESRI Web App

I have a GIS webpage in HTML5/JavaScript using the Google Maps API. I found out we can no longer use the Google Maps imagery provided, and I need to switch to ESRI Imagery (free). Can someone help me ...
1
vote
1answer
86 views

Pure html based indoor navigation

I would like to locate (position) people inside buildings without forcing them to download a native app. I'm focusing on iOS and Android devices. I therefore thought about wifi triangulation ...
2
votes
0answers
92 views

Load Leaflet map in canvas element

I am working with leaflet tiles loading tiles to a map div http://jsfiddle.net/tBCd5/ I am now playing with some html5 canvas distortions like below http://jsfiddle.net/UF4PK/ It would be cool to ...
0
votes
1answer
259 views

How did OpenLayers 3 managed to export map from other domain?

As far as I know, you cannot use canvas.toDataURL() on a tainted canvas (i.e. cross-origin). Looking at this example it seems the tiles are coming from different origin (tile.openstreetmap.org). How ...
0
votes
0answers
66 views

computeDistance() does not work in Google Maps API

I am trying to learn Google Maps API. When I try the below code, execution stops at var km = computeDistance(position.coords, ourCoords);. I get to see the "before compute distance" alert but not ...
0
votes
0answers
144 views

Graphic drag and drop using ESRI Javascript API 3.7 in IE10

I am using ESRI JS API 3.7 and Dojo 1.9. I have a problem with graphic DnD in IE9 and 10, but not IE8. this._listeners.connect("dropListener",this.esriMap, "onMouseUp", d_lang.hitch(this, ...
2
votes
4answers
830 views

What web mapping libraries are suitable for indoor maps?

I am looking for a custom mapping library but not to display an actual geographical area but to display a custom floor-plan. I have been looking for a while but most of the solutions that I found are ...
6
votes
2answers
398 views

How can I zoomToExtent and then zoom out?

I use openlayers 2.12 I use HTML5's geolocation API to get the coords and then I insert them in a layer as feature (point). After that, I zoom in , since the layer has no other feature. ...
1
vote
1answer
924 views

How to use Canvas element with Openlayers?

I would like to use element canvas of HTML5 in Openlayers to render maps. I am searching some code or reference in which I can check it, can you help me in this? Thanks in advance
0
votes
1answer
135 views

Display Lat/Lng coordinates from Oracle DB with ArcGIS HTML5 component

We have some experience in using ArcMap and ArcSDE, but this dates back to 2008, so we're not up to date with the recent developments in ESRI products. Now we're dealing with a database that has some ...
4
votes
2answers
2k views

Offline SLIPPY Map (Tiles) Database for Leaflet

How can create an offline cache of a large number of SLIPPY tile (PNG, 256x256) inside a web browser and then display them from that offline cache. For example, can one use HTML5 IndexedDB as an ...
2
votes
1answer
617 views

HTML5 local storage for tile maps and feature layers using ArcGIS Java Script API

I am developing a mobile arcgis application I want to store data locally so that when a user is offline he/she can use the maps. I want to store tile layers,feature layers and a table data. Any ...
5
votes
2answers
2k views

Coordinates(Latitude, Longitude) are different at same place on iPhone and Android devices, why?

I used HTML5 code for getting coordinates on Android (HTC desire s) with GPS enabled and iPhone (3gs). But the latitude and longitude are different on both devices at same place, why?. Difference ...
0
votes
1answer
2k views

Building Floor Plan map using OpenLayers and json

How to show map of building floor plan using OpenLayers and json. moreover, i want to know that how to change features dynamically with zoom based from json files. Let's take example, Initial the ...
5
votes
2answers
5k views

OpenLayers canvas renderer - redraws all features on selecting a single feature

I am currently trying to learn more about OpenLayers, and I'm coming up against performance / behaviour issues that I wouldn't expect to see. To elaborate... I have combined this example for ...