Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [web-mapping]

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

1
vote
1answer
21 views

Downloading or caching web based map service for faster access?

The Western Australia Department of Mine and Petroleum allows access to one of their online systems called Tengraph Web with which I can view tenements, major infrastructure, and topography for the ...
-1
votes
0answers
19 views

Seeking wiki-like geographical CMS? [on hold]

I have a geodatabase with mountain peaks and passes. I want to make a website with a wiki-page, photos and descriptions associated with every feature in my database. Is there some sort of CMS for ...
0
votes
0answers
17 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. ...
-1
votes
0answers
22 views

Creating webform without coding or programming? [closed]

I would like to create a web application that would allow colleagues to record their field observation directly on the map via a web form. I am not a programmer, I have some knowledge of SQL, HTML, ...
0
votes
1answer
21 views

ArcGIS Portal - Click to add a marker and get coordinates

How would this be best approached in ArcGIS Online and/or Portal? A user needs to click a point on a web map to identify a work location. Clicking the map adds a marker and also stores the XY ...
2
votes
1answer
33 views

Best approach to process thousands of TIFF files

I have a data source with a folder pyramid that contains several thousands of GeoTIFF files, about 70Mb each. I would like to process these so that I can display the map overlays on a OpenLayers web ...
0
votes
1answer
48 views

How to get GeoJOSN Features using Mapbox?

I'm using Mapbox to create webmapping, I want to get GeoJSON Features. I tried map.queryRenderedFeatures but it returns array empty. there are my code: map.on('load', function(e) { map.addSource("...
0
votes
1answer
82 views

How to use hyperlink for image popup in web map based on QGIS 3.4.3?

I have a point shapefile layer, that I added into it a hyperlinks row. Each hyperlink is for a image, all in me dropbox. When I identify a point, I see the selected image. However, when I export it to ...
1
vote
1answer
109 views

Leaflet map shows no markers for GeoJSON

Following the example below I try to add an external GeoJSON to my Leaflet map, but its markers don't appear on the map. I use this file GeoJson. Any explanation? https://maptimeboston.github.io/...
0
votes
1answer
46 views

Real time changing status of a point, web mapping [closed]

I’m new to web mapping and developing and I try to make a web map with points. The points are bank ATMs. The points will change color depending on their condition. There will be three different colors ...
1
vote
1answer
32 views

Set extent in a webmap Esri

I'm creating a storymap from a developers tutorial I found on Esri. The point of the tutorial is to insert an additional reference map. Everything is working well but I want the extent to closely ...
1
vote
1answer
39 views

Mapserver not displaying a raster properly

I have a 32bit floating point raster containing only five values (-2, -1, 0, 1, 2 + -999000000 for noData don't ask me why, it was delivered to me), no compression, projected (EPSG:3857). I am using ...
1
vote
1answer
42 views

GDALWARP cuts off right edge of image?

I'm reprojecting GFS GRIB files to EPSG:3857 using gdalwarp. Resulting file get little bit shorter to the right so when I zoom in from zoom level 5 and higher, I can see vertical line with missing ...
2
votes
3answers
113 views

Using Wordpress with GIS? [closed]

I am building a community-run map of neighbourhood stories that should feature photos, text, audio and video recordings. Ideally, I hoped I could use a powerful and relatively user-friendly CMS like ...
0
votes
1answer
19 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 ...
3
votes
1answer
37 views

Automating ArcGIS Online Shortlist Story Map description customization?

Is it possible to automate the descriptions under each image/event in the Shortlist Story Map? I want the word "Year:" to appear before every yyyy. I want this type of label and colon to be bold and ...
1
vote
1answer
46 views

How do you deploy a configurable application template for ArcGIS Online or Portal for ArcGIS?

I am trying to use a configurable application template, Interactive Filter (Live Example Here) to create an online map in ArcGIS Online to be shared with others. I want my users to be able to filter ...
0
votes
1answer
34 views

Congressional/Legislative Member Data Set [closed]

I am working on a web map of congressional and legislative districts. I am able to find the boundary lines but not up to date data on the representatives per legislative district. Anyone know of ...
0
votes
1answer
121 views

Set border width and color in Mapbox GL

I'm working on an application based on Mapbox GL, I need to give to the user the opportunity to set the width and the color of the borders of polygons but I can't find the right GeoJSON proprieties to ...
1
vote
0answers
28 views

Pros and Cons on loading vector data from ESRI Shapefile and GeoServer using OpenLayers 5 [closed]

I am developing a web map application to show the vector data on top of OpenStreetMap using the open source technologies such as OpenLayers v5.2.0, but am a bit confused to take a decision in what ...
3
votes
1answer
351 views

How to display pie charts in a web map created using QGIS?

I have created a web map to show some sales information using QGIS with Leaflet library. I wonder if there is a way to show pie charts in the same web map as a separate layer? Although pie charts ...
0
votes
1answer
19 views

How to use CARTO map visualization in Odyssey.js sandbox

I have a story map in Odyssey's sandbox GUI. I want to use a visualization I have in CARTO as a base map for this map. How can I find my viz key? All the documentation seems to refer to an option that ...
4
votes
3answers
187 views

Find out ESRI REST URL for web map which is hiding it

I would like to extract the pipeline geometries from https://www.arcgis.com/home/webmap/viewer.html?webmap=a00c3b5cee4e4fe0b238b5e05ed80204 It shows the existing gas & oil pipelines crossing ...
0
votes
1answer
37 views

How to make line size scale dependent in OpenLayers webmap made using qgis2web?

I've made a map in QGIS v3.2 with a vector layer named "Roads." In QGIS, the line widths representing roads are set to "meters to scale." When viewed in QGIS, this behaves exactly as I want. When I ...
2
votes
2answers
52 views

AGOL tiling creates multiple labels

I create a webmap and use publish it on ArcGIS Online. Unfortunately the tiling engine of AGOL creates multiple labels for the same item. How can I prevent this? Same label problems occured, when I ...
0
votes
0answers
32 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 ...
2
votes
3answers
359 views

Adding a map from a website into QGIS

I need to add a historical map from a website into QGIS. I installed the QuickMapServices Plugin and I tried to make new XYZ connections, but nothing appeared. The website is: https://mapire.eu/en/...
1
vote
0answers
241 views

Show tooltip on the D3 map

I've created a basic map using D3 with countries GeoJSON. Here is the demo. Now when the user clicks on any coordinate on the map, I am showing a weather info within a tooltip with weather icon as a ...
0
votes
0answers
86 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 ...
0
votes
1answer
20 views

Carto zoom to areas in “link second layer”

I have a Carto map with two layers which I have linked using Carto's "Link Second Layer" analysis. I added a widget which lets me select the name of polygons and through this link, the map returns ...
0
votes
1answer
362 views

Uncaught TypeError: FeatureLayer is not a constructor

I am trying to test adding a clickable layer to a web app. I am just using a test layer from arcgis online rest services shown in a tutorial. When I try to add the layer using esri/FeatureLayer I, get ...
0
votes
0answers
41 views

Why 'Simple' example is not giving in Mapfish pdf report?

I am using windows. I installed tomcat 8.5. Then deployed print-servlet 3.9 war. There are some example print apps. I tried to print "Simple", but it didn't build any pdf report, gave some error ...
0
votes
0answers
206 views

Uncaught TypeError: L.GeoJSON.AJAX is not a constructor - Error in geodjango

I am following Wanjo Hikibui's excellent guide to GeoDjango At the end of part 5, I am getting the same error, but I don't know how to fix it, as the solution in the video was not sufficient, and it ...
0
votes
1answer
49 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 ...
0
votes
0answers
22 views

Expanding Layer List in Portal Web Application 10.4.1

Is there a way to expand the layer list in a Portal web app such that all layer categories are displayed without having to expand the list in the widget? Currently users must press an arrow icon on ...
0
votes
0answers
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 ...
1
vote
1answer
209 views

WFS filter for property name

I need help with WFS filtering for GML. I want to filter only by one property (name of administrative unit) - that is all. Lets say I would like to get the second member of this GML: http://services....
0
votes
0answers
26 views

How do we create a map like Google? [duplicate]

I am a student in math, so I don't know much about GIS and mapping. I want to create a map in detail (using for autopilot car for example) of my small village on my own, I mean from zero step by step ...
7
votes
1answer
969 views

Do Tile Servers typically store every tile for every zoom level?

As I understand, a basic tile server provides raster image tiles for different zoom levels. To cover the world, it requires 1 tile at zoom level 0, 4 at zoom level 1, 4n for zoom level n. These are ...
0
votes
1answer
298 views

Scraping data from ESRI ArcGIS web map

I am trying to scrape all school boundaries from this website. I want to download them in any geo-format, such as .geojson, .kml, or .shp I figured out that the school boundaries are rendered as <...
-2
votes
2answers
90 views

Scraping webmap to produce shapefiles?

Is it possible to scrape the basemap in this webmap (just the georeferenced boundaries) using any software? http://kslublris.com/LRIS/Kerala/district.php
0
votes
1answer
39 views

Creating a data layer on CARTO from an ical feed?

Has anyone ever made a map on CARTO from an ical feed? Given that it uses a standard format which includes a location information, I envision that I can scrape the data into a CSV then geocode the ...
0
votes
1answer
811 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 ...
2
votes
0answers
96 views

Reproject vector layer in QGIS?

I want to warp a vector layer (set of polygons, but not a raster map) to fit a map. The problem is, the vector layer coordinates are from 0 to 360 and the basemap layer coordinates are from -180 to ...
0
votes
1answer
601 views

Mapbox GL JS set Max Zoom level not working?

I cant seem to get my map to set a max zoom level. Here is a snippit of my code - var map = new mapboxgl.Map({ container: 'map', style: 'mapbox://styles/cdickinson11/cjg49l1f305ou2rls3hd65a6s', ...
2
votes
1answer
2k views

How to add CSS styling in Mapbox GL Popup?

I am aware this is similar to many other questions, but I have been unable to determine how to add the correct code to style my popups in mapbox-gl. I'm very new to CSS, Mapbox-gl, and coding in ...
1
vote
1answer
54 views

How much resources/performance is used by each additional projection available for a WMS service? [closed]

The service provider set up the GetCapabilities response for the WMS service. This defines which projections are supported by the WMS service and these are also the projections that can be requested. ...
0
votes
0answers
21 views

Multidefine Error in dojo/parser.js

I have a web app that uses the ArcGIS JavaScript API. It has been working for a while now but suddenly today it started to throw multidefine and parser.parse in a function errors although no code ...
0
votes
0answers
330 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 ...
0
votes
0answers
34 views

Leaflet Library to add layer and Imagery from Supermap Iserver

I have questions for you, actually I'm trying to make simple webmap using Supermap iServer right now and having some difficulties. I'm kinda new in javascript programming too I have datasets consist ...