"Web mapping is the process of designing, implementing, generating and delivering maps on the World Wide Web ..."

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81 views

Accessing secure ArcGIS Online map service from custom web mapping application?

I'm building a custom web mapping application for a client. The application will be hosted externally to ArcGIS Online, but the application is registered with AGOL. The application will access the ...
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2answers
67 views

ArcGIS Operations Dashboard: The selected webmap does not contain any layers that can be used as data sources

First of all I hope I'm posting this question in the right section. I'm new to ESRI arcgis apps and at the moment I'm trying to learn the operations dashboard. I looked at their tutorial and it is ...
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1answer
65 views

Separating disjoint GPS path segments in Postgres

This involves a lot of code; if it's better suited for StackOverflow, please let me know! I'm working on a project involving trips that are constructed from GPS coordinates. I'm mapping the recorded ...
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1answer
25 views

Census Data Mapper - what tool they used to do it?

The Census Data Mapper is a web mapping application of the Census Bureau used to create instant web maps out of the Census data which are stored in the Census databases. I was wondering what tools ...
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59 views

DLLs or examples to support writing a shp, shx, dbf file as memory stream for uses on Azure website?

I'm trying to read/write shapefiles for a web service for an azure website and I do not have the luxury of accessing the local file storage (which means that reading/writing from/to disk is out of the ...
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1answer
83 views

GeoExt Toolbar Mouse Position

I am new to GeoExt and OpenLayers world. I am currently using OpenLayers 2 and GeoExt 2. I want to add a mouse position on the toolbar. Currently my mouse position is on the lower right corner of the ...
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14 views

The Web mapping using Mapstore Javascript running problem

The source code for Mapstore, workspace has done but while doing for OpenLDAP the following error is coming (How to configure openldap(for installation of geostore) in windows machine?) ...
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1answer
51 views

Any web mapping solution for mapping points and manage 1:n relationship?

I need to show on a web map some points (> 12.000) ... I know that there are many solution for that, also for free (CartoDB, MapBox, ArcGIS On Line, ecc ... ), starting from some shapefiles. That is ...
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1answer
46 views

TileStache Dynamic query based on zoom level

I wanted to make tilestache to be able have a different query for different zoom level. For certain zoom level I wanted TileStache to query from different postgres table. How can I achieve this? Is ...
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25 views

Can't set cache on tilestache

I've successfully installed tilestache on my server and able to load a geojson from it. But when I change the config file to use disk cache, the server return 500 on requesting the tiles. What I add ...
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1answer
27 views

Tile server return empty features

I have successfully installed tilestache. I also has succesfully add a layer using shapefile from here. But when I tried to use my own shapefile, the server always return empty featurecollection. I ...
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1answer
65 views

mapbox - disabling viewing of unrendered white tiles outside of the map

I'm looking to disable being able to move the map in such a way that one can move outside of the map area: I don't want to be able to see the surrounding white areas when the map is dragged. I have ...
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3answers
115 views

Is there any web-gl js libraries for creating 3D bar overlap city map? [closed]

Is there any some web-gl js libraries for creating 3D bar overlap city map? More details: http://ny.curbed.com/archives/2015/01/09/3d_map_shows_where_nyc_housing_is_priciest_cheapest.php ...
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2answers
160 views

library to create static maps (an image) with custom map features

Do you know if there is a small library (preferably in python or java) around that allows the creation of static map. Something where you can specific the URL of your TMS server, width and height in ...
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1answer
92 views

ESRI Local Government Park Locator App Template Deployment Issues

I am currently trying to implement esri's newest release of the Park Locator | ArcGIS for Local Government and I have been having a few issues that I can't seem to resolve. First, If I just change ...
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37 views

Proportional (graduated) symbols map using uMap

Good day. How can I make a web-map with proportional (graduated) symbols or the correct heatmap on the base of numeric data from attribute table using uMap? I have some points with data in columns ...
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2answers
42 views

Creating a Polygon by clicking on a website embedded Google Earth

I have to create a Polygon on Google Earth which is embedded in my website as it is made in the Google Earth application. I managed to create a polygon already but i can only create it with the ...
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1answer
85 views

Controlling map details shown using Leaflet and MapBox

I am building a map based chart using Leaflet (with MapBox). I would like to know if there is a way to control the level of details displayed on the map when zooming in. For example I do not want to ...
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1answer
135 views

Pre-load tiles in OpenLayers 3

I need to preload images (.png) / tiles in my own source: new ol.source.XYZ ,which can it run fast to move and zoom in mobile devices. I used ...libs/ol3/3.7.0/ol-debug.js and as urls: urlArray ...
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1answer
26 views

Web map linked to database that shows one spatial location at a time

I have a simple database with a record for each research project that occured on a national forest. Each project area is associated with a polygon, and there are around 200 polygons that are piled ...
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0answers
65 views

Leaflet Markercluster and Timeline in sync

So I have been trying to figure how to use the markercluster and timeline plug in in sync to show a temporal animation of points. As some of the point data overlaps a cluster is needed to be able to ...
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0answers
15 views

How to get a copy of the raw photo from the Mapillary app (at iOS)

@fastmultiplication asks same question for Android app, "How to get a copy of the raw photo from the Mapillary app" but I want to know same solution of iOS app. I want to access raw photos of ...
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1answer
67 views

Trouble Installing GriB extension to Geoserver 2.7.1.1

I am trying to add GriB reading capability to my Geoserver distribution (version 2.7.1.1, build date Jun 26, 2015). I am trying to use the plugin archive found at ...
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1answer
32 views

Which web maps works best for which web service

Im trying to do a project , where i grab data from mySQL database, and display it onto a web map api mashup (showing a chart on the map). I want to develop an example using REST, SOAP and possibly ...
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3answers
403 views

How to use Python for online GIS? [closed]

I consider myself a GIS expert, and I have successfully completed many GIS projects for clients. I am proficient in spatial analysis, ArcGIS, QGIS, and quite good in Python as well. However, I am only ...
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1answer
94 views

Add REST map service to basemap

I have created a JSON file which includes 30 map service layers and their attributes. This includes the map service url. My function creates a table of contents from the JSON object so that when I ...
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1answer
55 views

CartoDB, a CMS for maps?

I test cartodb with some data and I found it very useful. I found this instructions for installing cartodb locally in github What is CartoDB? and I try to understand if cartodb is a CMS for maps. Is ...
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0answers
84 views

How to use an ArcGIS Server globe service on the web?

I created an ArcGlobe document containing a 3D multipatch building... ... then published this to ArcGIS Server as a Globe Service. The help page Displaying data from a globe service says: ...
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1answer
97 views

What tools are available for Public Participatory GIS (PPGIS)? [closed]

Public participatory GIS is going to be one of the most important part of GIS in my view. I would like to ask you all, what are available tools/platforms for not just basic web mapping? I'm user of ...
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131 views

Leaflet controls: onAdd() -> “ready” event

I've got a custom control for Leaflet (0.7.3) that uses L.DomUtil.create to generate its own HTML in the onAdd() function. Most of its bootstrapping happens in onAdd(), but I need to do some final ...
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0answers
24 views

Size mapfile chart element by absolute value of column value

I have a mapfile with pie charts of the relative proportions of a variety of parameters pulled from a table. In some cases the values are negative and I would like to make pie charts of these ...
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0answers
22 views

Web Cartography how to, cartodb - mapbox

I have to prepare an online map like the following http://www.oikoskopio.gr/map/ but I dont know what programm they use. Can I do something like that with cartodb or Mapbox; With this services you can ...
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23 views

What are key methods for interactivity between web mapping and associated websites

I need to know what the key methods are for linking a slippy web map to the website on which it resides. (This isn't a simple question about displaying a map - it's about the more subtle interactivity ...
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2answers
328 views

How to transform EPSG:3857 to tile pixel coordinates at zoom factor 0?

I'm creating a Leaflet map with an WebGL overlay (using L.CanvasOverlay) which renders a street network on the GPU. Let's assume I have a point (1497143.62, 6896952.18) in EPSG:3857 and want to ...
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1answer
52 views

Clip & save layer using OpenLayers 2

I ma currently developing a web mapping app. How do I make it possible for my app to clip and save area of interests or area I am working on. I can create a vector layer, modify it and delete if I ...
1
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2answers
67 views

Is it possible to export layers scale-based visibility to a webmap?

Is it possible to make or convert a QGIS map into an interactive webpage map? For example, I have layers that appear at certain zoom levels, is there a way to have that interaction on the map for ...
0
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1answer
337 views

Leaflet MarkerCluster custom info window instead of spiderfy effect

So I have been experimenting with the Leaflet Marker Cluster and was wondering if there is a way to disable the spiderfy animation and change the event when cluster is clicked on? Instead the clicking ...
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0answers
12 views

How to render visualizations for geospatial objects (the way QGIS does it) on web interface for end users, from PostGIS database? [duplicate]

I have existing geospatial objects in PostGIS. I can visualize it using QGIS. But I want to render these visualization on a web-interface for my users as a result of some queries in the database. I ...
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0answers
30 views

feature class cannot be displayed on a map

I'm running ArcGIS server 10 on windows 7 machine. I'm trying to develop a web application using Silverlight and c# in Visual Studio, but when I execute the application in the browser, there is only a ...
2
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1answer
161 views

Google Maps directions link doesnt work properly in the Explorer for ArcGIS mobile app?

I have an AGOL web map for finding beach accesses in Florida. Within my pop-up I have a Google maps link to get directions to the current access. Everything works fine on desktop, but the directions ...
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1answer
102 views

How can I activate interactivity on cartoDB.js with createLayer?

I've made a map with cartoDB.js with the createLayer method. I've defined the sublayers,inside a variables called layerSource, giving them an interactivity field like this: sublayers:[ {sql: "SELECT ...
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30 views

ArcGIS Manager cannot config my first web map after installation?

Scenario: i have windows 8.1 enterprise i installed pre requirements windows features to enable install ArcGIS Server (iis) The problem is url"http://localhost:6080/arcgis/manager", not respond ...
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0answers
62 views

Error Opening WMS Maplayer: URLError: <urlopen error [Errno 10060]

I receive the error: URLError: <urlopen error [Errno 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection ...
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0answers
13 views

How to create GIS web application? [duplicate]

I have a georeferenced TIFF Image and some shape files (created using Arcmap) of a City which contain various information (viz. roads, blocks, grounds, etc). I want to build a GIS web application ...
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3answers
625 views

3D Map Visualization in Geoserver

I am using Geoserver 2.4.0 to view the UK map in my web map application by using the openlayers and wms service. Now I am looking into view the terrain data in 3d with WebGL enabled browser and got ...
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55 views

Qgis Cloud Data upload error ( DEM contour lines)

I cannot upload vector line layer to qgiscloud. I've got a massage "Data upload error" It's a contour layer generated from SRTM data with topografic symbolization. There was no problem with other ...
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1answer
41 views

Open Source Webmaps and Geotiffs

I have recently started to learn how to use open source web maps, and have come across the following issue. When using geoserver and geo explorer (part of the open-geo-suite), I seem to get an ...
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0answers
120 views

Why is mapserver returning a blank image?

I am trying to load a layer from a postgis database, mapserver does not return anything. I think I have narrowed the problem down to the fact that the sql query mapserver is running is returning ...
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1answer
159 views

Display tile grid borders with leaflet (visual debugging)

I'd like to have the tile grid borders displayed on a leaflet WMS Layer in order to see which areas are requested as separate maps. On top of that it should be possible to overlay a border to the ...
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1answer
62 views

Does anyone know about a web client for GIS from the Vaadin framework?

Reviewing the universe of GIS tools on the Web, I see that several customers have already developed GIS on the Web, so the is no need to start from scratch. Now I have come across the Vaadin framework ...