Questions tagged [ios]

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

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Syncing QfField with Android

I've been running into syncing errors when trying to view new files I've uploaded to my desktop QGIS project (synced with QField Cloud project) on my Android device. I'm unable to view files and a ...
user234346's user avatar
1 vote
0 answers
45 views

QField on iPhone: is it possible to authenticate Postgis layers using connection service file pg_service.conf?

While using QField on Android phones to work with Postgis layers, I can authenticate with my login information stored in the file pg_service.conf, which is placed at Android\data\ch.opengis.qfield\...
Cao Minh Tu's user avatar
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77 views

Using iPhone coordinates with Leaflet

I'm working on a Leaflet map using Chrome on a PC and everything works fine when I use my computer or Android phone. But when viewed in Chrome on an iPhone, the coordinates get shifted, like below. . ...
mmaguigan's user avatar
1 vote
2 answers
446 views

Import URL in QField on iPhone not working

I have the prepared project files stored in a folder in my Dropbox. It is the link to this folder I enter in the “Import URL”-field (I have also tried pasting a link to a zipped version of it). Not ...
Henrik's user avatar
  • 11
1 vote
1 answer
184 views

OSM contributors attribution and the default controls inside the OpenLayers map are not proper as per the OpenLayers examples

i am implementing an OpenLayers map inside an Ionic application for iOS. However the OpenStreetMap contributors attribution is not coming in the proper way. It is coming in the middle of the screen. ...
sujith1406's user avatar
1 vote
0 answers
508 views

QField - Can't access local storage on iPhone

I usually use Android products with QField but right now I need to evaluate all portable solutions, which includes iOS. However, just when I come to the data storage access in order to load a new ...
AMDubois's user avatar
4 votes
1 answer
994 views

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 ...
Son of a Beach's user avatar
0 votes
2 answers
129 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 ...
firstlord's user avatar
  • 149
3 votes
1 answer
2k 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 ...
Camilla 's user avatar
0 votes
0 answers
669 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 ...
Mario's user avatar
  • 551
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0 answers
280 views

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 ...
atrebbi's user avatar
  • 101
1 vote
0 answers
150 views

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 ...
GISI's user avatar
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0 votes
0 answers
40 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 ...
NinjaOwl's user avatar
1 vote
0 answers
212 views

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 ...
Gerd Castan's user avatar
1 vote
1 answer
2k 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 --...
atineoSE's user avatar
  • 113
1 vote
0 answers
216 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 ...
Hlaing Tin Htun's user avatar
2 votes
0 answers
74 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 ...
Anton's user avatar
  • 21
5 votes
1 answer
729 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 ...
GisNeophyte's user avatar
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?
Olivier Cristol's user avatar
0 votes
1 answer
618 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 ...
Subhransu Mishra's user avatar
1 vote
1 answer
670 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 ...
Aurelija Viluckytė's user avatar
0 votes
0 answers
208 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 ...
Fabio Marzocca's user avatar
1 vote
0 answers
77 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?
Bharat Mahajan's user avatar
3 votes
0 answers
159 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(...
Valtiel's user avatar
  • 31
1 vote
0 answers
257 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 ...
Lowip's user avatar
  • 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 ...
Tim Autin's user avatar
  • 584
6 votes
1 answer
754 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. ...
Rob.R's user avatar
  • 161
0 votes
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 ...
Michelle Roche's user avatar
1 vote
0 answers
225 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 ...
Ajeet Singh's user avatar
2 votes
0 answers
273 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 ...
Muruganandham Kuppan's user avatar
1 vote
0 answers
39 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 ...
Oleg Kosuakiv's user avatar
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 ...
Stonetip's user avatar
  • 187
3 votes
1 answer
452 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 ...
Oliver Adam's user avatar
0 votes
1 answer
144 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 ...
Brian Swart's user avatar
-1 votes
1 answer
284 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 ...
Dmitry Bubnenkov's user avatar
0 votes
0 answers
63 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 (...
matteopuc's user avatar
  • 101
1 vote
0 answers
429 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. ...
Georg's user avatar
  • 1,001
1 vote
0 answers
301 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 ...
amar's user avatar
  • 11
4 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.
Tomás Francisco's user avatar
0 votes
1 answer
155 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 ...
Nate23VT's user avatar
  • 145
2 votes
0 answers
792 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 ...
Sebastien's user avatar
  • 121
1 vote
1 answer
65 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 ...
Nate23VT's user avatar
  • 145
0 votes
2 answers
313 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 ...
Nate23VT's user avatar
  • 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 ...
Roman Temchenko's user avatar
0 votes
1 answer
187 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.
Alexander Yakovlev's user avatar
1 vote
1 answer
553 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 ...
Tariq Mahmood's user avatar
0 votes
3 answers
6k 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 ...
Bob Kuhar's user avatar
  • 113
1 vote
1 answer
887 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 ...
Daniel Healy's user avatar
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 ...
jotamon's user avatar
  • 1,727
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 ...
William Smith's user avatar