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

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5
votes
2answers
92 views

Is it possible to 'scrape' shapefile layer from a map saved as pdf/jpeg?

Data on the changes in voting district delimitations in SA is available as a series of maps (no shapefiles made official). I'd like to create a shapefile by scraping the boundaries from the individual ...
2
votes
1answer
56 views

Easiest way to display or draw low-detail maps on a WebApp

I need to display data sets, e.g. a bunch of point-based JSON files of weather forecasts, on a not-so-detailed map. The map should not be as detailed as a full-blown Google map (with roads, names of ...
2
votes
1answer
165 views

How to rotate an embedded web map (on pc)?

I was looking through a couple of maps I made, the maps were created by serving VectorTiles through TileStache and using Leaflet and Tangram (on respective pages) to render them. One of the reasons I ...
3
votes
2answers
81 views

Location Analytics - ArcGIS Web Services (Feature & Raster)

I have been attempting to develop some methodology or approach in order to monitor or track where users of our webmap services are looking. Ideally the coordinates of the window. Mapbox has created ...
1
vote
2answers
123 views

Pseudo code to correct Geographic points for UTM Easting distortion on Web Mercator Projection

I have chosen to use a Web Mercator projection system for: Use of Tiling system for low memory usage Accessing only one site/area at a time Reuse of Google Tiles - for many sites In some cases I ...
1
vote
0answers
25 views

Add layers dynamically on a web map

What would be an optimal way to add a layer to the web map by using the drag and drop option? Should the layer be saved to the db or their are other ways? This would be a JavaScript based application ...
2
votes
1answer
36 views

Is it possible to pass a JavaScript object to “Layers:”?

I am trying to use the GetFeatureInfo functionality of Openlayers v3. I am taking the layer name dynamically from the layerswitcher and trying to pass it into WMS like: var temp=JSON.stringify(...
1
vote
0answers
43 views

Android WebMap Popup Viewing not showing my layer info

I used the code for WebMap Popup Viewing from ArcGIS for Developers (https://developers.arcgis.com/android/sample-code/webmap-popup-viewing/) and I just changed the map URL with a map I created and ...
1
vote
2answers
91 views

Set view does not work after Fitbounds

I have a map and a layergroup. var map = L.map('map').setView([27.6758,85.3313], 12); L.tileLayer('http://{s}.tile.cloudmade.com/8ae544230be74379927e6dee5d416398/997/256/{z}/{x}/{y}.png', {}).addTo(...
0
votes
1answer
67 views

creating a transparent layer background in QGIS

I have created a heatmap in QGIS to cover my point data and I have saved it as geoTiff so that I can import into tilemill, which I managed to do but my background is black .In QGIS however I want ...
0
votes
1answer
85 views

Leaflet/GeoJSON - Changing the default blue marker to other .png files

How can I use different .png files to symbolize my GeoJSON data? I have one property in my GeoJSON file that I would like to symbolize the data by (feature.properties.issue). For each different issue ...
0
votes
0answers
8 views

S63 Viewers with JavaScript API [duplicate]

I am in the process of developing a web interface for viewing encrypted ENC data (S-63) and was wondering what options are available to handle the rendering? I have investigated ArcGIS Server and it ...
2
votes
1answer
85 views

Leaflet Map not Visible

I try to make my first Leaflet webmap (I'm very new to JavaScript so please ignore the dirty & repetitive code). I want layer controls and read the Leaflet layer control example but somehow my map ...
3
votes
1answer
97 views

How to make a network /tower coverage map in in mapbox

I am new to mapping and currently I am trying to make a map showing coverage of a network provider here in my country. The map I am trying to achieve should look similiar to that at http://www.imore....
2
votes
1answer
153 views

QGIS2Web - how to include additional mapping functions

It is my understanding that the QGIS2Web generates a web map from my QGIS project by taking aspects of layers, styles and extent. What would it take to include map functionality to the web map such ...
1
vote
1answer
36 views

Is there any possibility to draw an editable map using OSM data?

I am a newbie on openstreetmap related developments, I need to build a web application using PHP or Python frameworks, that could draw map using OSM data. It should also allows to edit attributes of ...
0
votes
0answers
55 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. ...
1
vote
0answers
219 views

Using Leaflet and Web Map Tile Service (WMTS)

I'm trying to use an API for rendering tiles with a Leaflet map. A link to the API looks like this and I think that the format is WMTS: https://api.lantmateriet.se/open/topowebb-ccby/v1/wmts/token/{...
1
vote
2answers
66 views

WebGIS Report Feature with Pictures?

I am trying to add a widget to a webmap that will allow users to report wildlife spottings (birds, coyotes, etc). The client (City staff) would like to have to be able to review any reports prior to ...
1
vote
2answers
42 views

Creating Multiple Webmap Applications linked to the same data

I am creating a webgis system for a smaller municipality. They need 3 different webmap applications, all of them referencing the same data. 2 of the apps are for public view and only contain certain ...
1
vote
1answer
46 views

Changing Colour of Leaflet Layer Control Box

Is it possible to reference the box in the CSS to change the colour of the layer selection box? Would be great to change it away from the standard white.
2
votes
1answer
82 views

Popup that contains feature type details from geoserver

I would like to seek for help regarding my project. I'm new in Web Mapping. And as of now I have WMS layer (which is polygon type) from geoserver that is overlayed in a WMS openlayers basemap. Now I ...
1
vote
1answer
50 views

Toggling Leaflet Legends

Currently trying to use the following code to add and remove Legends as a result of an overlay being added to the map. Getting no error messages in browser but still doesn't seem to be working. ...
0
votes
1answer
77 views

Custom Leaflet Legend

Trying to create 9 separate leaflet legend variables for the 9 different overlays (graduated colour chloropleths) I have on a leaflet map. Each overlay will have 6 classifications of colour dependant ...
0
votes
1answer
97 views

Display tiles from a custom GeoTiFF overlayed on googles satellite map using leaflet

I want to overlay tiles generated from a GeoTIFF raster I created on a google satellite map. What I have tried is: Style and output a high quality colored PNG using qgis's map composer Tile this PNG ...
1
vote
1answer
41 views

Link Esri web map to XML data feed

I have an XML feed of road conditions that needs to be linked to a roads layer in an Esri web map. The web map should be built with Portal for ArcGIS. (Though other suggestions/approaches are welcome!)...
1
vote
2answers
89 views

In a webgis using leaflet, how to export maps as pdf?

Like the title says, I'm building a webgis using Leaflet. I want to allow users to export maps from the website and download them, but the current downloaded format is shapefile. I wonder if there's a ...
4
votes
2answers
85 views

How to hide leaflet base map?

I'm building a webGIS using leaflet library. Since the data visualization is for only a certain region, it seems that the broader leaflet base map looks a bit distracting. I wonder if there's a way to ...
1
vote
0answers
34 views

WebMapping Charts Overlap Issue LeafletJS

I am a beginner in webmapping development using LeafletJS and JS. I am the owner of the website built under LeafletJS. I have faced some problems with charts overlapping. On the right top of the map ...
0
votes
1answer
124 views

How to load POI based on map movements?

I'm currently creating a new website based on geo-localised informations, which is quite new to me. I need to display my points of interest according to where the map is, and where the user make it ...
0
votes
0answers
87 views

ArcGIS Server: 'Export Web Map Task' fail to print basemap at small scale

I am trying to export a JSON WebMap containing a standard ESRI basemap and two public Service layers as PDF with 'Export Web Map Task'. I tried to test it at this link. The PDF looks fine for scales ...
1
vote
1answer
182 views

Leaflet with Geoserver in background to slow for GeoTiff

I am implementing a leaflet web-map application to display several GeoTiffs. The GeoTiffs are each ~300MB and published by Geoserver as WMS. In Leaflet I add them through L.tileLayer.wms. I also ...
0
votes
1answer
23 views

Consumer-Facing Websites or Apps using Bing Maps

I'm researching Bing Maps for use in a consumer-facing website/app. Is there a resource that lists existing websites/apps that are using Bing Maps for the basemap? I've found examples of websites, but ...
3
votes
1answer
105 views

Export data from the new Mapbox Studio

The new Mapbox Studio seems to have a button for downloading a style: but not a dataset: So, is there actually a way to export a whole dataset? This may seem like a strange thing to do, but ...
4
votes
1answer
200 views

Error with .eachLayer in leaflet.js

I'm trying to add popups for point icons using Leaflet.js and ran into this error: "Uncaught TypeError: points.eachLayer is not a function" Here's my code: function addPoints(data){ for (var ...
1
vote
0answers
123 views

ESRI Web AppBuilder - custom attribute - only show fields that contain values

Is there a way to only show fields that have a value, i.e. are not NULL, in the Web AppBuilder Web Map pop-up? If this can't be done in the Web Map can it be done in the mxd attribute table? I have a ...
1
vote
1answer
72 views

Show groups of coordinates on a map, to visually find coordinates that belong to the wrong group

I have a (very) long list of casinos. Each casino has: latitude longitude boss (a single boss runs from 1 to 50 casinos) Sample: 40.642 -73.997 Freddy Queens 40.680 -73.985 Freddy Queens 40.697 -...
1
vote
0answers
32 views

WMS foot print freezing issue

Using openlayers 2.13 I have added 3 layers, one is google terrain(base layer) second is a colored WMS raster layer (.tiff) and third is again a WMS layer (.shp) which is polygon layer. Here is my ...
0
votes
0answers
12 views

Which GIS map server software to use? [duplicate]

I want to build a small GIS web application, but i am really confused over which GIS map server to use. I am not sure whether to build my own map server or there are any online services which allow me ...
2
votes
1answer
166 views

Web Mapping Client with front-end query function

I'm searching for a cloud based Web Map Client that offers a front-end query tool so that my client can query against the data and visualize the results on the web map. I'm trying to keep costs down ...
1
vote
1answer
56 views

Set proximity requirement for ESRI Collector observations

I am trying to create a Collector map that allows field crews to update a "status" attribute for features in a feature class. What I would like to do is limit the features that can be edited by the ...
1
vote
1answer
55 views

How do you retrieve an accidentally deleted point in an ArcGIS Web Mapping Application?

Hypothetical scenario: I've shared an ArcGIS Web Mapping Application with non-tech-savvy staff members. One of the staff members accidentally deletes a point within the Web Mapping Application. Is ...
0
votes
0answers
15 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 ...
1
vote
1answer
476 views

Leaflet Marker Cluster: refreshCluster function issue

I am trying to use the markers.refreshClusters(); function to refresh the marker icons for a new styled icon I am trying to work with to highlight the selected cluster. Unfortunately, I keep getting ...
-1
votes
0answers
33 views

Web mapping newbie [duplicate]

I am just starting out with mapping applications on the web. I basically want to click on a country in the world and have an image popup. Being fairly new to this does anyone have a recommendation for ...
0
votes
1answer
491 views

Preserving style when producing web maps with the QGIS qgis2web plugin

I used the qgis2web plugin to generate a set of static HTML files out of my QGIS project. This is how my layers look in QGIS: So, there is only one layer of points and a basemap. Very easily I ...
0
votes
1answer
197 views

Publishing AutoCad *.dwg files into HTML?

I'm new using Autocad. What I currently have is a dwg file generated from AutoCad 2015, now, I want to publish this file somehow into an html (web-mapping?) page so I can grab it from there and embed ...
2
votes
1answer
39 views

How do Wikipedia maps add a coordinate point to a base map?

On wikipedia pages for localities, there is often a map on the right side of the page in the introduction, and the map is tagged with the point of the locality. For example, see below: https://en....
2
votes
4answers
279 views

Display two generated tiles on one map using Openlayers

i have a multiple Geo-referenced tiff I want to display Two TMS layer on one map. in another way i want to display tow tailed tiff image in the same map like the picture bellow using Openlayers ...
0
votes
1answer
100 views

Do all open source web mapping platforms require programming? [closed]

I currently use a proprietary software product for my company's web mapping, however I am interested in seeing other products. I use QGIS and would like to to put my layers on the web for both ...