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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20 views

How use OpenStreetMap in webpage via OSM URL without Leaflet, OpenLayers, etc?

I want to know how I can interact with OpenStreetMap in a webpage via (only HTML, CSS, JavaScript) without Leaflet, OpenLayers, MapBox or anything like them (in backend or frontend). I want use pure ...
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27 views

Cannot enable offline mode for ArcGIS Online web map in order to use in Esri Collector app

I've been trying to enable offline mode in a WebMap in order to use one Collector. I reviewed the requirements here however I enabled sync and caching on my feature layer and map layer I believe. Here ...
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2answers
38 views

WFS from GeoServer on OpenLayers doesn't work

I'm trying to create participatory map but I can't basically insert a WFS into my OpenLayers frame. I searched for a lot of different solutions. My WFS does work into QGIS, I also can insert WMS into ...
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1answer
44 views

How do I adapt existing responsive web site to display Leaflet maps?

My website works well on different devices but it seems that only works with images, although I would like to show other media, like Leaflet maps and videos. Just about all pages are laid out on a ...
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0answers
26 views

Create a map survey and download the result

I have a shapefile of our state boundary. I want people to be able to drop a pin and add their names to the pin as an attribute. From there I would like to download all the pins as a shapefile and ...
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0answers
73 views

Publishing QGIS to intranet [closed]

I have set up a basic QGIS project combining various WMS services and want to publish it to my company's intranet for everyone to use but I am a relative beginner at GIS and all the guides I have ...
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18 views

Draping model by WMS service in Cesium

I need to show a small territory 3D model on the Globe. I have a pack of orthos and pointcloud covering it. I chose Cesium + Geoserver WMS service to show orthos at a globe. Service imported in Cesium ...
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28 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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23 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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1answer
292 views

Open source GIS web server

I am a proficient GIS and Python user. I would like to ask if any open source tools exist which allow for rendering of geospatial data on a website. I would prefer to avoid tools which require in-...
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41 views

Web Mercator square and not 1x2?

I can not understand why Web Mercator projection is strictly square. In my mention: We have a planet as a sphere. We have 360 degrees of longitude and only 180 degrees of latitude. That means if we ...
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36 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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1answer
41 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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1answer
53 views

Hub and spoke map

I have a bunch of addresses located in a city, there is a central location which is the hub and I'm looking to create a hub and spoke map with lines coming from the hub and going to every point on the ...
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0answers
48 views

Limit custom tiles to certain extent in OpenLayers

I want to fit my custom tiles at a certain region. For example let's say i have custom tiles for a certain country (example: USA) and I am using OSM or anything at all. How do i make sure that my ...
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1answer
29 views

Identifying file format of web map layer?

I am interested in extracting data from the map layer available here. The data looks like this (I inserted linebreaks for readability): Malta_SAR normal #LineStyle000 highlight #LineStyle001 SAR ...
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0answers
23 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 ...
2
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0answers
19 views

Encode MapServer tile pixels with data values

Is it possible to encode values from raster bands into pixel output using a MapServer .map file? More and more I'm finding that a commonly adopted method for moving geographical data for rendering ...
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0answers
24 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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0answers
47 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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0answers
15 views

Multi Criteria Evaluation implemented via a website

I'm wondering if there are any websites where spatial multi-criteria evaluation can be performed by a user selecting criteria from their web browser and the result being presented as an online map. ...
4
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1answer
200 views

Getting spatially referenced tiles from WMTS

I have been able to download tiles from a WMTS request in .tif format using owslib in standalone python: from owslib.wmts import WebMapTileService wmts = WebMapTileService('wmts_url') img = wmts....
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0answers
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 ...
3
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1answer
103 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
76 views

Download data on click via Leaflet webmap [closed]

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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1answer
88 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 ...
0
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1answer
221 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
451 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
33 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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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 ...
1
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1answer
47 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
53 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
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 ...
0
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0answers
43 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 ...
0
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0answers
44 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
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 ...
1
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1answer
30 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
38 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. ...
0
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1answer
31 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
56 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 ...
2
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2answers
623 views

Get GeoJSON 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
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1answer
368 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
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1answer
215 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
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1answer
122 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
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1answer
141 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
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1answer
119 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 ...
2
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1answer
66 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 ...
3
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3answers
507 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
27 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 ...