7
votes
Downloading specific OpenStreetMap data by tag?
Now you can also use Overpass API to query and export OSM data by tags like "canal" (and also by area). It is more suitable for small to mid-size selections. There is a easy-to-use user interface ...
- 342
7
votes
Accepted
Build GDAL 3.x for iOS
After much research, trials and a few rounds of correspondence with GDAL developers, I have finally got GDAL 3.x to build for iOS using 'cmake'. The full procedure is documented below, including ...
- 8,436
4
votes
Render vector tiles to PNG on Android & iOS
For Android, we looked into this a few years ago (circa 2014):
https://github.com/CUTR-at-USF/OpenTripPlanner-for-Android/issues/356
We ended up just using raster tiles, but we were looking at the ...
- 1,623
3
votes
Qfield on IOS import data
As far as I am aware, there is no import option in QField iOS application yet. I am an Android user, so never came across this situation but I tested this on my wife's iPhone and was able to replicate ...
- 126
3
votes
Accepted
Mapbox GL control visibility on multiple labels using zoom attribute
Mapbox Studio and Mapbox Maps SDK for iOS v4.0 support expressions, which are much more flexible and powerful than style functions. The first step is to convert your existing textOpacity style ...
- 196
2
votes
Load mbtiles by Mapbox iOS & Android SDK
MBTiles can be displayed in the Mapbox Maps iOS SDK by hosting a web server within your app and pointing the map to localhost. I've posted my solution here:
https://gist.github.com/namannik/...
- 121
2
votes
Accepted
OSM Perspective View for Android/iOS
What you are looking for is WhirlyGlobe for Android. It's a 3D globe and it allows for tilting to see perspective view. You can even include Cesium STK Terrain data. They have their own terrain ...
2
votes
Accepted
Render vector tiles to PNG on Android & iOS
So I've been able to render tiles from a .mvt source, using MapBox's SDK's MapSnapshotter.
These tiles can then be displayed on the Google Maps SDK (using a custom TileProvider). It's working well: a ...
- 604
2
votes
Is GeoPDF suitable for mobile-navigation app?
For very simple and small maps it may be fine your better off using MBTILES or GPKG GEOPACKAGE TILES
You can use GDAL to produce these or QGIS. Just note if you choose MBTILES first re project data to ...
2
votes
Accepted
Building GDAL for iOS
I got this working for GDAL 2.2.2 and PROJ 4.9.3 several years ago. I'm now converting that project from Objective-C to Swift and I don't have time to figure out how to deal with the build issues I ...
- 8,436
2
votes
Relationship between Android bearing and iOS course?
I'd argue that Bearing is more correct than Course in this context, although a big caveat is that I'm an Android developer. Also, the answers you get may differ depending on what industry they are ...
- 1,623
2
votes
QField operating system
You can try Input, which is based on QGIS and works on both Android and iOS:
https://github.com/lutraconsulting/input
Disclaimer: we develop Input which is free and open source
- 701
2
votes
Build GDAL 3.x for iOS
https://github.com/BeinerChes/gdalios
I made a repository with bash scripts to build a gdal for iOS based on ideas from here.
- 21
1
vote
Import URL in QField on iPhone not working
I haven't used Dropbox yet. But with Google Drive, you need to use the download link and not the file sharing link
Regards
Nelson
- 339
1
vote
OSM contributors attribution and the default controls inside the OpenLayers map are not proper as per the OpenLayers examples
thanks for the comment from @til_b. I fixed the issue by importing
@import "../node_modules/ol/ol.css";
in global.scss file in the ionic project.
- 121
1
vote
QField - Can't access local storage on iPhone
Currently iPhone Files app allows you to access QField folder. You can search for "QField" inside your mobile storage and you will get a folder that has a logo for QField. Open that folder ...
- 21
1
vote
Build GDAL 3.x for iOS
GDAL now creates dynamic libraries with binding:
You can convert them to framework by following above process:
you just have to create info plist file also:
Here is the minimal plist file for iOS ...
1
vote
How to rendering and manipulate GeoTIFF image in iOS devices?
I've developed a native iOS app using GDAL to manage the vector data, and OpenLayers (in a UIWebView) to display the layers (both raster and vector).
For vector layers, the app uses GeoJSON to ...
- 8,436
1
vote
ArcGIS Collector with ArcGIS Portal webmap failing on attachments
We fixed this issue last month! Esri sent us a link where we could follow guidelines and our ArcGIS admin installed the patch (see the attached photo).
However, after installing the patch, it is ...
1
vote
Load mbtiles by Mapbox iOS & Android SDK
This kind person has provided a similar solution for Android as is mentioned by Alan. It uses as local server (JPG/PNG/PBF etc) as the tile srouce reading from your local mbtiles files. I haven't ...
- 63
1
vote
ArcGIS Explorer iOS App can't load map with bing basemap
I suspect that ArcGIS Explorer app you are using is outdated and using the old Bing Maps SOAP services which were turned off at the beginning of August. I would check with ESRI to see if they have an ...
- 662
1
vote
Accepted
ArcGIS IOS load TPK from Shared Container AGSLocalTiledLayer
I got this working. In my case, the problem was passing a proper path name without "file://" at the beginning. Using url.absolutePath does this, so you need to strip it off when converting URL's. Here ...
- 26
1
vote
iOS Sharing of Base Map file between several apps
If your basemap is in mbtiles SQLite 3 format then you can use it any many apps and mapping development platforms and mapping/gis applications. If it's using ESRI TPK then you'r out of luck. Use QGIS ...
1
vote
Format for viewing vector files offline and mobile
I would go with GeoPackage another SQLite Container but it supports:
Raster Tiles - PNG, JPG, WebP
Terrain Tiles - raster image -PNG or TIF
Vector Features - Modified WKB in blob to store geometry
...
1
vote
Capturing accurate GPS points using mobile devices
Im not sure if the algorithm has been developed and deployed widely, but there is a way to improve the accuracy using multiple smart phones sharing information.
See "High-Accuracy Differential ...
- 11
1
vote
iPhone app to record 3D location information
Maps n Trax can do this. Records X, Y & Z and can export to shapefiles, GPX, KML, etc.
https://itunes.apple.com/au/app/maps-n-trax-offline-maps-gps/id550937509?mt=8
Its getting a bit long in ...
- 8,436
Only top scored, non community-wiki answers of a minimum length are eligible