Questions tagged [ios]

iOS (originally iPhone OS) is a mobile operating system developed and distributed by Apple Inc.

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Build GDAL 3.x for iOS

I've been building GDAL 2.x for iOS for years but I will have a compelling need to upgrade to 3.6 when it is released (hopefully later this year). Therefore I now need to be able to build GDAL 3.x ...
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0 votes
2 answers
31 views

How do I view KML network layers or WMS layers on mobile?

I want to view live layers (KML Network or WMS) on the phone. Google Earth application is very useful and advantageous for me and my team. But I guess Google Earth doesn't support live layers. Do I ...
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1 vote
0 answers
286 views

Qfield on IOS import data

I’m new in this forum. I’m not a native English speaker and I’m not very familiar with all the GIS-specific terms. I’ve tried unsuccessfully to import data to QField on my iPad Pro. I’m using a ...
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0 votes
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151 views

Connect Trimble R10 GNSS to iOS and use external position

I want to pair a Trimble R10 to an iOS device and use the location data from the R10 in a iOS app. I found this tutorial and these NMEA Bluetooth settings, but I when I try to connect the iOS device ...
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Open shapefile in iOS with GDAL

I'm trying to open a shapefile on iOS with GDAL 2.2.2 and getting error 4 : GDALDataset *poDS; GDALAllRegister(); poDS = (GDALDataset *) GDALOpen( filename.UTF8String, GA_ReadOnly ); if( poDS == NULL ...
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  • 101
1 vote
0 answers
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Using ArcGIS Pro via GNSS Connect to iPhone to obtain GPS

ArcGIS Pro 2.7 on a Microsoft Windows laptop can connect to a GNSS device via Bluetooth or cable. Users don't always have a GPS device in the field, but they will have an iPhone. Since the Collector ...
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0 answers
32 views

Seeking maps to use on iPhone/Android app

How can I get data of the earth map on the iOS sdk "Swift" containing data altitude too? I would like to use all world map, gps position (but I think that's not a matter) and altitude of all ...
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1 vote
0 answers
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How to enable positioning in underground Metro/Subway stations for smartphones? [closed]

Summary: my smartphone can't do public transport journey planning in underground metro and subway stations because it doesn't know where it is. Is there a description for cities and public transport ...
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1 vote
1 answer
1k views

Building GDAL for iOS

I am interested in building GDAL for iOS. I have managed to build successfully for macOS by building from sources with: ./configure --with-python=python3 --with-proj=/usr/local/Cellar/proj/7.0.1 --...
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  • 113
1 vote
0 answers
182 views

Leaflet page scrolling issue on iOS [closed]

I am currently using Leaflet 1.6.0 stable version. Everything works fine except the page is preventing scroll on iOS phones (tested on Safari & Chrome). I have done some workarounds via this ...
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2 votes
0 answers
52 views

Project point from one UTM zone to other

I am currently working on a project where we have to figure out the position of one point based on the known position of two (user-input) points. Now the problem is that the users could provide two ...
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5 votes
1 answer
420 views

Relationship between Android bearing and iOS course?

I'm a mobile developer working on an Android and iOS app that displays the user's location and various POIs on a map. I've been comparing the location objects that I get back from Android and iOS and ...
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2 votes
2 answers
1k views

QField operating system

Does anybody know if Qfield can run on Ipad? My understanding is it was build to run on Android 4.3 or later version. Anybodu knows if it can run on with IOS?
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0 votes
1 answer
313 views

How to rendering and manipulate GeoTIFF image in iOS devices?

I am experienced iOS developer but I am new to geographical information manipulation. I am developing an iOS application that require me to render a geotiff image file (as a map) and be able to edit ...
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1 vote
1 answer
619 views

ArcGIS Collector with ArcGIS Portal webmap failing on attachments

I have a web map that has been created on ArcGIS Portal. Our Portal is federated. The feature layer (service) and web map have all the required settings based on the documentation of ArcGIS Collector ...
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0 answers
146 views

Leaflet image overlays and iOS 12: partial rendering

My PWA (using Leaflet 1.5.1) is currently running (since 2 years) on Android and iOS without problems, until iOS 12 was released. From that point on I have very weird issues on iPhone and iPad. Main ...
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1 vote
0 answers
54 views

Using carto mobile iOS sdk download offline map having satellite map style instead of normal map style

Is there any way to use satellite map style for maps downloaded for offline usage using Carto Mobile SDK?
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3 votes
0 answers
146 views

GDALOpenEx() doesn't works anymore with iOS 12

I'm using GDAL in a iOS application. Everything was fine since the iOS 12 SDK update. Now, when I try to open a database (.sqlite file here) with this line GDALOpenEx(dataSourceConnectionString.c_str(...
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1 vote
0 answers
222 views

Converting latitude/longitude to full range referential

I have a list of latitudes and longitudes expressed as follow: -1 <= latitude <= 0 0 <= longitude <= 1 Those coordinates represent POIs on a fantasy map displayed using the Leaflet ...
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  • 111
6 votes
3 answers
4k views

Render vector tiles to PNG on Android & iOS

I have an Android + iOS app using Google Maps SDKs to display a map, and I'm in the process of setting up an OSM tile server. I'm evaluating the possibility to use vector tiles instead of raster, but ...
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  • 574
5 votes
0 answers
533 views

Vector tile layer over Google Maps or MapKit in iOS?

I'm looking for a way to add a vector tile layer instead of the built in raster layer for Google Maps or MapKit in iOS but I can't seem to find anything that isn't a complete replacement like MapBox. ...
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  • 151
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0 answers
35 views

When using an iphone the user cannot update features using the collector app when hidden required fields are present

I have a layer that I want to use in collector but some of the fields in that layer are hidden as I want to use them at a later stage in a "Review WebMap". On an iphone i cant submit a survey but I ...
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1 vote
0 answers
220 views

Calculate minimum Traveled distance from L Latlng in T time

I want some functionality in my Android/iOS application i.e. U user is travelling to L location, So when the U is 15 minute away from the L location he/she will get some Notification. What i tried so ...
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2 votes
0 answers
204 views

Not able to load mbtiles in ArcGIS runtime SDK

I'm not able to load mbtiles in any layer using arcgis runtime sdk version 100.1 for iOS. Is it possible to do that in new version of run time sdk. In old runtime SDK, I have used AGSTiledServiceLayer ...
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1 vote
0 answers
31 views

Carto PackageManager return null on Xamarin.iOS

I have such problem: On Xamarin.IOS Package Manager returns null after invoking GetLocalPackage(packageId) in several places of the application; What do I know about the issue: 1) This happens ...
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0 votes
1 answer
1k views

Mapbox GL control visibility on multiple labels using zoom attribute

I have a point dataset that is intended only as labels. Each label has a pre-calculated minZoom attribute to one decimal place, e.g. 6.1. While there are labels that share the same value, they vary ...
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  • 155
3 votes
1 answer
352 views

OSM Perspective View for Android/iOS

I am recently working on a project where i want to show a skiarea in a perspective view, like you know it from maps of skiresorts where the ski lifts are displayed. Are there any libraries where i can ...
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0 votes
1 answer
124 views

ArcGIS Explorer iOS App can't load map with bing basemap

In the Explorer iOS app, I am getting an error that says "Missing bing maps key" when opening a map with a bing map as the basemap. The bing basemap works fine on the full website and mobile website ...
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-1 votes
1 answer
251 views

Is GeoPDF suitable for mobile-navigation app?

I need to develop mobile app that display geo-referenced image. User should be able see own position on it and do simple navigation. Plus turn on/off vector layers. Now I am looking format/mobile ...
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0 votes
0 answers
51 views

Check if a map region has been already visited

I'm building an iOS app and this is my first experience with maps. The issue is pretty simple: the user can move the map with his/her finger. Each time this happens I download some info from a server (...
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  • 101
1 vote
0 answers
355 views

Calculating a proper region with insets for my MapView

In my app I'd like to create a snapshot of a Map and as I have a custom tile-source I need to create that on my own. I am currently stuck creating a proper region that fit's a track I want to display. ...
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  • 919
1 vote
0 answers
262 views

WMS GetFeatureInfo implementation over Google Maps

I am using the Google SDK for my base maps. I can see my layers from GeoServer overlayed on Google Maps but I am stuck at the GetFeatureInfo request. (void) mapView: (GMSMapView * ) mapView1 ...
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  • 11
3 votes
3 answers
2k views

Load mbtiles by Mapbox iOS & Android SDK

Is it possible to read .mbtiles files through Mapbox iOS or Android SDK? I'm trying to download .mbtiles from osm2vectortiles.org and setting up a full offline application running offline maps.
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0 votes
1 answer
139 views

ArcGIS IOS load TPK from Shared Container AGSLocalTiledLayer

I have 2 apps that are trying to share the same TPK offline base map. I have App Groups enabled and have the TPK file stored in the shared container but it does not seem to work when referencing the ...
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  • 145
2 votes
0 answers
747 views

How to compare a theoretical GPS route and a real one?

In an iPhone app, I'm trying to generate a roadbook automatically based on a real recorded route. I have figured out an algorithm to use a directions service to do it, but my algorithm needs to be ...
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  • 121
1 vote
1 answer
60 views

iOS Sharing of Base Map file between several apps

I am new to iOS development and looking for general advice on how to achieve the following situation: We have developed our first iOS mapping application using the Agentry platform. The application ...
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  • 145
0 votes
2 answers
275 views

ArcGIS Javascript BasemapToggle requires double click on iOS Cordova

I am developing a Cordova application using the ArcGIS Javascript SDK. One minor annoyance I have run into that I can not quite figure out is why the BaseMapToggle & GeoLocate options require a ...
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  • 145
1 vote
2 answers
1k views

Is there an easy way to find closest point on line in iOS?

I have a coordinate, and a path. I need to find a point on path closest to my coordinate. Something like http://turfjs.org/static/docs/module-turf_point-on-line.html but for iOS. ArcGIS doesn't seem ...
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0 votes
1 answer
183 views

Public transport offline routing [closed]

Is it possible to make offline public transport routing? What services should I use and what steps are? I'm developing in iOS platform.
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1 vote
1 answer
498 views

How to use custom offline map in iOS app [closed]

I'm developing an iPhone offline map application. I've illustrator map georeferenced (using mapublisher), have geodatabase (http://goo.gl/isw6IP) and parking data (shp/csv). Requirements: The map ...
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0 votes
2 answers
5k views

Given a GeoJSON file how do I calculate the area of the embedded features?

We have a GeoJSON file that contains an array of features each with their associated geometry. How can I calculate the area of each feature? Are there any Java or Swift libraries to help me? Any ...
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  • 113
1 vote
1 answer
823 views

Linking iPhone app with OpenCycleMap?

I’m currently working on an iPhone application that shows visitors where to walk in my local town. Using GPS on the http://www.opencyclemap.org/ map I want the user to be able to see where they are ...
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1 vote
2 answers
2k views

Native Mapping Application - Leaflet Mapbox

I am going to build a native mapping application that I would like to offer for Android and IOS devices. I am an accomplished developer of web-based app using javascript, html and css. I am also ...
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  • 1,636
2 votes
1 answer
3k views

How to determine when mapview zoom level has changed using Mapbox-iOS-SDK?

I am using Mapbox-iOS-SDK 2.1.2 and I need to know when the user changes zoom level on the map view. I know how to get the current zoom level, but I don't see any delegate methods for determining ...
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5 votes
1 answer
4k views

Best approach for indexing a SQLite database containing geoJSON spatial objects?

I'm building an iOS application for public release. My architecture currently includes Mapbox, Parse, geoJSON and SQLite for the local store. The app will store spatial objects locally as a string in ...
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3 votes
4 answers
631 views

Format for viewing vector files offline and mobile

I wish to create a custom mobile application for Android and/or iOS for a school project that will allow a user to view (not edit, just view) specified ESRI shapefiles while offline. Shapefiles at ...
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2 votes
0 answers
216 views

Google Maps Licensing

Sorry if this isn't the right place to ask this, I've tried looking around for support forums and have found none. I had a question regarding the ToS of Google Maps/Earth, it can be found here: https:...
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  • 21
1 vote
0 answers
86 views

Descriptions for KML Paths on Google Earth for iOS

I am displaying hurricane paths on Google Earth where if you click on a path it shows a description in a window containing info such as wind speeds, category, location, etc. This works perfectly fine ...
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1 vote
0 answers
871 views

Displaying shapefiles on IOS app

I need to write a simple app for IPad that displays maps I was given. All maps are in one folder and they are shapefiles. I am able to open them in ArcGIS for desktop, however I am unable to attach ...
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1 vote
0 answers
158 views

Collecting and editing local data on a tablet?

I need to view, collect, and edit data that has to be stored locally on an iPad, though we may be able to get an Android tablet if that's the OS with a solution right now. This data cannot go through ...
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