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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28 views

Programatically create WMS and specify data sources in QGIS Server from a web app

Is it possible to programatically create a WMS and specify data sources in QGIS Server from a custom web app? Let's say I have a QGIS project being served up by QGIS Server and accessible via a web ...
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3answers
36 views

Scraping the vectorlayer/shp/SVG/GeoJSON from this webmap?

I try to download the data from this webmap for further analysis. I tried to look at the network tab, but didn't find any such data. I looked into the JavaScript files, and didn't find any either. Yet,...
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0answers
19 views

Failed to create the service The submitted field 'KML_FOLDER' does not exist in the table 'db_8bog9.hsu_gk2bm.company_layers_wfl1_horizon_lines'

Receiving an error when trying to share a webmap to portal using ArcGIS Pro 2.4.3, Failed to create the service 'Hosted/Company_Layers_WFL1.FeatureServer'. The submitted field 'KML_FOLDER' does not ...
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0answers
18 views

Adding border on icons in openlayers

I am trying to add borders to the icons in open layers and I am able to do so but when i try to increase the thickness of the border, the border is not uniform and at one side becomes larger than ...
-1
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0answers
20 views

Dynamic Map Service seems too slow

I have an issue with published polygonal Map Services. I have around 30 Map services in a single web app (based on JS). Max 10 of these map services will be viewed simultaneously. I find it slow to ...
2
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2answers
71 views

Publishing a large and complex map to the web

I have created a complex map of my area and I wish to publish it as an interactive map on the web. The dataset appears to be too large for QGIS2Web to work - the script completes eventually but in ...
3
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1answer
89 views

Seeking host for free (little) wms server (for fantasy project)

I am programming a website (Node server) for a friend of mine who created a fantasy world, to promote his books and games. As a former GIS tech, I really would like to setup a map of his world (using ...
1
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0answers
19 views

How do I install QGIS Server and QWC2 via Gitpod?

Maybe this question is better suited to the Web Apps SE. I want to create a self-hosted instance of QGIS Server and the QGIS Web Client 2, for times when I'm not on a computer with admin access (such ...
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0answers
18 views

Opening hyperlinks in a new tab from GeoJSON points when the link to the website is embeded in GeoJSON? [closed]

In the code below the point links are embeded in GeoJSON object places_geojson. How could we make the link to be opened in a new tab? I believe that this functionality need to be added in the ...
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0answers
21 views

Geoserver, GeoWebCache caching?

I added vector data to the map I made with geoserver, postgis, geowebcache. As a result, the map slowed down a lot. I have investigated the caching processes to solve this problem. But I could not ...
2
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0answers
41 views

Set HTML ID or class for an icon in OpenLayers [closed]

I wanted to know if there is any way to set an HTML ID for an icon in OpenLayers. For example, If I set an icon with HTML ID "icon1", I want to be able to access it using document.getElementById("...
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0answers
24 views

Information about Leaflet and MapGuide [closed]

I want to make interactive maps online/on a server but not sure whether leaflet or MapGuide program is better for me to delve into. Which software will allow me to render resource intensive layers ...
3
votes
1answer
48 views

Customized Web-based for data cube visualization [closed]

I am stepping into web mapping for the first time. I wanted to develop software for animating multi-spectral, multi-temporal data (in the form of an orthorectified data cube). User should be able to ...
1
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0answers
22 views

How to prepare oneself to show a polyline based on latitude and longitude information in a csv/json file with heatmap information too? [duplicate]

I am quite new to working with JavaScript as well as geo location systems. I am looking for an open source JavaScript library to show - on the web - something very like the running trackers show you -...
3
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1answer
107 views

Add a border and change border color of a marker in OpenLayers

I want to add a border color to the icons in OpenLayers. I also, want to be able to change the color of this border depending on the attribute of the marker. Is there any easy way to do this? The code ...
0
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0answers
13 views

Comparing Point Clouds

I have been tasked with creating a system that will get the volume of a stock pile or an area based upon taking two point clouds named PC_A and PC_B. PC_A is the control point cloud of the area and ...
0
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0answers
31 views

Make a draw object option in Leaflet and that stores it in the webmap in a database or on a server

I would like to set up a simple web map which should be used as an information for those out in the field that needs to show something immediately. So I would just load the web map and get an overview....
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0answers
13 views

The meaning of FeatureCollection in GeoServer WPS [duplicate]

I am new in GeoServer WPS. I am trying to do a buffer around a point table. I use WPS Request Builder to generate the xml request. I realized that in order to give the input to the process, I usually ...
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0answers
31 views

The meaning of FeatureCollection in GeoServer WPS

I am new in GeoServer WPS. I am trying to do a buffer around a point table. I use WPS Request Builder to generate the xml request. I realized that in order to give the input to the process, I usually ...
0
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0answers
17 views

MATLAB web map browser overlay GeoTIFF image

How can I use MATLAB web map browser to load and overlay with a give transparency a GeoTIFF image : % web map browser : nasa = wmsfind('nasa', 'SearchField', 'serverurl'); baselayer = refine(nasa, '...
1
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1answer
40 views

Hosting webmap on Google CLoud Storage without compromising data

Does anyone know how to host a webmap (made with QGIS and Leaflet) on Google Cloud Storage publicaly, so that the HTML showing the webmap is accessible but the data driving the map is not. Bucket ...
0
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1answer
86 views

QGIS2web not updating on 3.4.5

I am using QGIS 2.18. Upon making updates to my map, the update is not showing in the export to map web page. I have updated it several times and restarted QGIS but it is not replicating my label ...
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0answers
16 views

Creating a map server like mapnik [duplicate]

I'm totally new to GIS and the Map engine project is been given to me. Since I'm new, I'm lacking the concepts and the way to go. Let me explain, what I need to do. My company wants to replace the ...
0
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0answers
51 views

Change the Color of the road dynamically

I want to use openstreet map in openlayers and i want to be able to change the color of the road dynamically. Example: Change it to red, green or yellow dynamically or depending on a value. How do i ...
2
votes
1answer
71 views

Resizing Map width and height (avoid distortion)

I am working with OpenLayers library on React My first question is how to avoid distortion while resizing map width and height, The second issue is when I am changing with/height each time it ...
1
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0answers
35 views

Geohash for polygons? [closed]

I have multiple large polygon datasets stored in PostgreSQL 12 and will publish them using GeoServer. I want to try to use geohash to possibly speed up the performance of serving the polygon layers. I ...
1
vote
1answer
159 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 ...
0
votes
1answer
68 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 ...
2
votes
2answers
56 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 ...
0
votes
1answer
61 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 ...
1
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0answers
43 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 ...
1
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0answers
127 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 ...
0
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0answers
33 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 ...
0
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0answers
36 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 ...
0
votes
0answers
30 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 ...
3
votes
1answer
421 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-...
1
vote
0answers
49 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 ...
0
votes
0answers
64 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 ...
0
votes
1answer
47 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 ...
1
vote
1answer
100 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 ...
1
vote
0answers
55 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 ...
1
vote
1answer
30 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 ...
0
votes
0answers
25 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 ...
0
votes
0answers
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
votes
0answers
23 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 ...
0
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0answers
27 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 ...
0
votes
0answers
111 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 ...
1
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0answers
16 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
votes
1answer
328 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....
0
votes
0answers
26 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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