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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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4 views

Labeling when using qgis2web

I'm having trouble getting labels to appear in a web map, both Leaflet and OpenLayers, using qgis2web. I can't get either label buffers or backgrounds to show up and even a Bold style only works in ...
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0answers
29 views

Download data on click via Leaflet webmap [on hold]

I am working on a webmap which will allow users to click on a portion of the globe and download associated river data. Here is my code so far. <!DOCTYPE html> <html> <head> <...
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0answers
15 views

Portal for ArcGIS opensource analogs [duplicate]

I need to build enterprise GIS infrastructure. As DB I will use Postgres+PostGIS. As GIS server I will use GeoServer. I need something to build portal like Portal for ArcGIS from Esri. I think about ...
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1answer
20 views

Add a Google Earth Enterprise globe (from geserver) to QGIS

I am managing Google Earth Enterprise, where I can add data to Fusion, push it to geserver and then publish it to Google Earth Enterprise clients on people's computers. But the people need to add a ...
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0answers
14 views

Query or filter based interactive webmap/webgis application [duplicate]

I need to build web based map where people can filter multiple attributes with dynamic flexibility. There will be multiple filtering options along with a easy control panel where authority can add ...
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1answer
61 views

Using Leaflet Search plugin with GeoJSON layer (L.Control.Search)

I have a map with a single GeoJSON layer that I referenced in my script (using the AJAX plugin). Now I am trying to add search functionality to the map so that the user can search for features by name....
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1answer
103 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 ...
3
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1answer
32 views

How is browsers position altitude defined?

Looking at the docs: https://developer.mozilla.org/en-US/docs/Web/API/Coordinates/altitude It says "altitude above sea level in meters". Does this mean it takes into account geoid data of some kind?
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15 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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1answer
28 views

How can I determine the original spatial reference system of GML coordinates when I have their WGS84 equivalent but no EPSG?

I am querying out spatial information from a SQL database that stores locations that users input on a map as GML snippets. See below for an example: <gml:Point xmlns:gml="http://www.opengis.net/...
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1answer
36 views

Mapserver weird output of REQUEST=GetCapabilities&SERVICE=WMS&VERSION=1.1.1

Once I use REQUEST=GetCapabilities&SERVICE=WMS&VERSION=1.1.1 in my browser with the mapserv I get the following: $ cat ~/Downloads/ms ELF>�@@!@8 @@@@��888�� �� � �� �� � TTTDDP�tdLLQ�...
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0answers
20 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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0answers
28 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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0answers
16 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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0answers
32 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 ...
1
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1answer
25 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 ...
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0answers
19 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
24 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
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1answer
37 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
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1answer
68 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("...
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1answer
125 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 ...
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1answer
136 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/...
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1answer
53 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 ...
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1answer
62 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 ...
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1answer
51 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 ...
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1answer
43 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 ...
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3answers
213 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
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1answer
21 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
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1answer
53 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 ...
0
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1answer
40 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
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1answer
349 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 ...
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0answers
31 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 ...
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1answer
30 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
216 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
49 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
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2answers
53 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 ...
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0answers
37 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
495 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/...
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0answers
274 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 ...
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0answers
96 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
24 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
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1answer
511 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 ...
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0answers
43 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 ...
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0answers
276 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 ...
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1answer
55 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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0answers
24 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 ...
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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
288 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....
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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
989 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 ...