Questions tagged [web-mapping]

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

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34 views

How to add a vector layers to my map using OpenLayers 3?

I'm trying to add a vector layer manually to my map but i receive this error: Uncaught TypeError: b.attachEvent is not a function the code is : // adding data // Define Geometries var point = new ...
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28 views

Icons/Features disappear after removing one feature from vector Source

I am using OpenLayers 5 and i have a map which has multiple icons. When i try to remove an icon from my map, all the icons disappear at once. Code Below is to add the vector source which contains ...
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48 views

GeoServer cached layers and WMTS aren't working (Error!)

After restarting Tomcat I face unworking WMTS: 400: null page on path local:3000/geoserver/gwc/service/wmts?REQUEST=GetCapabilities and unworking cached layers path of GeoServer GUI. Log: UPD error ...
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44 views

Sourcing static maps from web APIs

For a web app I want to source roadmap and satellite type maps from a web API which will be used with geometrical data from a database to generate reports. The reports would be viewed on screen or ...
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24 views

Combining zip code polygons with numerical dataset in web-stack?

I need help with the overall architecture/stack of my project. I have many spreadsheets of data with zip codes, categories, and numerical values (and a ton of other columns that will eventually be ...
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22 views

GIS Maps and Website Design? [duplicate]

I have checked already asked questions and cant find an answer. I have sucessfully digitalised my histioric maps using QGIS. My next problem as a newbie is how I should go about uploading and ...
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25 views

Reprojection REST Service

Are there any open source projects that offer a reprojection service over REST? I know there are online converters available, but I want to deploy something on premises. What I'm looking for is a ...
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66 views

Line chart Chart.js for interactive map

I am working on a webmapping application with interactive data from maps and charts associated in templates, built with Chart.js. The template (mustache) is linked to a shapefile map layer containing ...
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25 views

Ordnance Survey Tile Tracking Solutions?

We want to find a way to track how and how many tiles are drawn in the Ordnance Survey API (or through a different way if that is easier). As you may know, the royalty charges are per tile so we want ...
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1answer
555 views

Turf intersect point with Leaflet GeoJSON error

Leaflet and Turf. I am trying find all the layers on a Leaflet map that intersect a point when the user clicks on the map. I am using the turf library to test for this. In the console when I click on ...
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16 views

Which tool to use in order to create map? [duplicate]

What I am trying to do is to build a website with some maps for areas for a certain PC game. I just don't know where to start. How does one create a map? Do I need first to acquire a background ...
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35 views

Sharing interactive/dynamic maps online with restricted access for free?

I've produced a number of maps for work using QGIS that I want to be able to share online, but I only want people within my organisation to be able to access the maps. QGIS Cloud looked perfect, but ...
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46 views

Webmaps including data filtering options for viewers

With QGISCloud, is it possible integrate data filter options for the mapviewers on the webmaps? To explain, I am generating webmaps of clients for sales teams, but I want people accessing the webmaps ...
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59 views

Using Mapbox, I have a filter input. As i type I would like the points to filter by words in the input

Below I have a code that basically filters as I move along the view which is good. However I would like to also include a portion within here that would make points disappear as I type in my search ...
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34 views

Standalone Web Application Development putting GIS cordinates over layers and Visualising it [duplicate]

I am trying to understand what architecture I can use for my GIS Application. I am from a programming background, however quite inexperienced with GIS and Web development, yet the task is to create a ...
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40 views

Content in map not loading in Portal for ArcGIS?

I have a problem regarding ArcGIS Portal when editing a web map. After i open the map and the layers load, i can't edit or save changes to the map, nor do i see the layers present in the webmap. ...
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1answer
29 views

How to create service url to get demographic data and then tie up the demographic data with zip code?

I want to create a Map tool like https://www.eddmexperts.com/eddm-map-tool. This site is using ArcGIS map service but I did not understand where I can get the service URL they are using to get ...
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57 views

Automating Redshift data dump to a PostgreSQL DB every 12 hours

I have a redshift database that changes multiple times a day. I want to use this "live" data to make web maps and I have a Postgres DB where all my web-mapping data is stored. I want to continuously ...
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147 views

Combining python and JS (mapbox) for interactive rendering

I plan on visualising a huge dataset (probably around 20-30GB of data) using Mapbox in order to have a very nice map visualization. However I would like this visualization to be interactive and I am ...
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1answer
102 views

Responsive design of webmap

I created a web map with the qgis2web plugin. The map simply contains 2 polygon and 1 point layer. Since I just wanted a static map with these 3 layer I don´t use any basemap. The final map should be ...
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17 views

Using Geoserver and PostgreSQL to build a web mapping tool? [duplicate]

I've been an ESRI user and a Carto user and like both tools but I am now hoping to build my own web-mapping platform. The issue is, I have no web-development experience other than the little I've ...
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1answer
2k views

How to add text labels to a Mapbox GL JS map that has no vector layers?

Using http://bl.ocks.org/danswick/a4de5c170c04fdd38bb4 and https://www.mapbox.com/mapbox-gl-js/example/cluster/ I made a Mapbox GL JS map. It has no vector tiles basemap but raster tiles. It has ...
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522 views

draw path on indoor map using geoJSON avoiding obstacles

I'm a CS student and right now I'm developing an android app that uses google maps API, the problem is the map I'm working on is indoor and I'm facing problems when I want to draw a path from user ...
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200 views

Overwriting Feature Service with additional Layer in AGOL

I have a feature service published, new data daily which is in the form of an additional layer. I use the feature service in a webmap, but after the service is overwritten the additional layer is not ...
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373 views

Get the point coordinates of images of an interactive web map?

I want to parse this web map for the point coordinates of the displayed icons: https://www.mercedes-benz.de/passengercars/mercedes-benz-cars/dealer-locator.html The HTML class of the items is "...
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104 views

Web page that dynamically draws contours at user specified elevation?

How might I setup a web page that will draw dynamically contours and/or hypsometric tints at a user specified starting elevation and/or interval? Example scenario: flood hazard modelling. The web ...
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1answer
54 views

Labels with halos become faded and transparent in CMV when using an aerial image

I am using CMV to create a web map but when I use esri's world imagery or another image service as my base map, my labels (only with halos - Aerial 10pt with 2pt halo) become faded and transparent - ...
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334 views

How to export OSM maps given the bounds?

I have a map application where I use all kinds of OSM maps as background. http://{a-c}.tile.openstreetmap.org/{z}/{x}/{y}.png http://{a-c}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png http://{a-c}....
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541 views

Display Mouse Position OpenLayers in Custom Projection

Being extremely new to this I am trying to build a fully functioning map from scratch using OL3 have tried to work this out myself but I just can't get it to work I always seem to get the ESPG 3857 ...
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476 views

How to change the map scale units for ArcGIS Online printable maps?

I have a web app created from the ArcGIS Online Basic View template. I added print functionality to the web app as seen in figure 1. You can see in figure 2 the scale units are set to miles/kilometers ...
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1answer
2k views

Search function in my leaflet map [duplicate]

I am trying to have a search function that will search through my geojson file. The geojson file was upload successfully.I used one of the examples I found here, my problem is this error : Uncaught ...
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14 views

connecting a database to a map [duplicate]

I have data about some monuments (date of construction, and other historical information), and I would like to build a sort of visual database to be put online, in which a series of markers should ...
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756 views

Maintaining default value for fields in ArcGIS online map / feature service

I have an enterprise geodatabase within which there are several feature classes that contain subtypes and domains. A web map has been created from this geodatabase on ArcGIS Online and it is used for ...
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1answer
149 views

Adding button zoom to map using OpenLayers 3? [duplicate]

I am a beginner in web programming using OpenLayers 3. In my project i want to add a button to zoom in the map by clicking or selecting a part in the map using OpenLayers 3.
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89 views

Seeking marketplace intended to commercialize QGIS applications?

If we want to sell general application such as website theme, plugins, mobile app, game, etc, we can use envato marketplace, google play store, or other marketplaces for selling and buying application....
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1answer
2k views

Text + Chart inside pop up window in Javascript

A similar question had been posted in this thread : Chart inside pop up window in Javascript I'm trying to do the same, but i would like to add others things in the popup (like text, feature ...
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339 views

Increasing Clickable Area of OpenLayers Polylines

I'm currently working on a web application where there are OpenLayers geometries that are clickable. However, since the size of the geometries can be rather small, it can be hard to click on them. ...
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19 views

Interactive Web Mapping for a Non Programmer? [duplicate]

I'm looking to map something similar to this: http://tipstrategies.com/geography-of-jobs/ Does anyone know, first off, how this was put together? From what I've researched so far, it seems this type ...
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1answer
33 views

Integrating ArcGIS Desktop and web map? [duplicate]

I have some data that has been mapped in ArcGIS Desktop. I would like to develop something like if I add/change some parameters a new map can be derived so that it can be used for predicting as well. ...
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3answers
572 views

What are the low cost options for converting FLEX API based web mapping applications to any other platform? [closed]

As flex is reaching the end of its life, I have one project to convert Flex based web mapping application to any other possible solution with minimum development effort and secure way. I believe Dojo ...
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1answer
156 views

Participative maps for collecting geographic information? [duplicate]

I'm looking for a simple way to collect information for a participative plans (regarding landscape) and show them on Google Maps. I'm thinking to a small web form for asking information to public (es:...
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280 views

Data Interoperability Conversion WFS Layer, Duplicate .XSI_NIL Field?

When I use the data interoperability extension to retrieve a WFS dataset I have duplicate fields added with ".xsi_nil" added to the end of the field. However, if I use the WFS to Feature Class tool I ...
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137 views

Difference between MapBox and CartoDB [duplicate]

What is the difference between MapBox and CartoDB ?
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567 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 ...
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1answer
319 views

Map generation failing with Kartograph.js

I am trying to generate a very simple map using kartograph.js. But some how my code is not working. <html> <head> <script src="jquery-1.8.3.min.js"></script> <...
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1answer
1k views

Creating a Simple, Free Web Mapping Application [duplicate]

I have recently left my job as a GIS Specialist that I've held for a number of years. This was my first GIS job and I managed to lean a lot. Now that the holidays are over, I've decided to search for ...
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1answer
64 views

Connecting a map to live data from Yahoo Finance [duplicate]

I have a vector world map and am trying to connect it to Yahoo Finance, Live, in such a way that: a) If a particular country's currency goes down, the map of that country will go RED and if it goes ...
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67 views

Interactive computation of spatial data on a web-map

All the GIS area is very new to me so I would like to ask about a guidance of my next steps. This is the web-map I would like to make (if it is possible): Lets consider the following map: . Each ...
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247 views

Webmap app using geoserver must have source code open?

We have a Webmap that uses geoserver + geoExt + openLayers. Even though the JavaScript code is not obfuscated or compressed, at the moment we do not intend to have a place were someone can got and ...
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2answers
5k views

Adding the draw control in Leaflet

I'm trying to add the Draw Control availble in with the Leaflet.Draw Plugin I've downloaded the code and stored in htdocs and point my page towards the js and css libraries needed. The page loads ok ...