Questions tagged [qfield]
An app for Android, based on the QGIS libraries but with a simplified, touch oriented user interface.
229
questions
0
votes
1answer
65 views
QField edition: deplace point object
I would like tu use QField to update localisation of points objects that their fields are already informed.
With the editing tool I don't manage to deplace point despite I see several "how to&...
3
votes
2answers
669 views
Using QField to connect to external Bluetooth GPS
I am using QField for field data acquisition. Can QField connect to an external Bluetooth GPS?
1
vote
1answer
52 views
How to Delete a picture taken in QField?
I'm using QField all day and one things kept bothering me:
I am unable to delete a picture I take within the app.
When I'm doing cartography, I like to take pictures so that I have a visual memory of ...
2
votes
2answers
62 views
Difficulty connecting QField to connect to PostGIS
I've been working on setting up a PostGIS server for QField for the past week, today I almost thought I had it working but now QField keeps throwing me one error no matter what I do:
"Connection ...
0
votes
1answer
30 views
Creating custom forms (and custom triggered forms/events) for QField
I'm seriously lost. In QField website, it says that custom forms (at least that Drag and Drop from designer forms are supported) as well as this thread: QField - create a form for multiple, 1:n photos
...
0
votes
0answers
11 views
What causes the QField error message 'unable to save'?
I cannot seem to find any information about this particular error message.
When trying to add a point feature in QGIS, I receive the message 'Unable to save' (see screenshot). I have tried to find ...
2
votes
1answer
61 views
How to access QFieldCloud Projects functionality in QField App?
I checked my QField App and the QFieldCloud Projects functionality is already enabled (See photo attached). However, whenever I try to access or use it, it looks for username/password credentials.
I ...
4
votes
1answer
56 views
How to zoom on a photo
We have set up a little form with a few attributes and a photo.
Once the photo is saved, it is not possible to reopen it and to zoom in the picture.
Any tricks?
0
votes
0answers
37 views
Relation between QField attribute forms
I have two columns for field data collection which reference one another using when/then CASEs in the "Default Value" of the Attribute Form. The CASE converts one measurement to the other. ...
2
votes
1answer
43 views
QField - display of entries for 1:n relationships
I'm working on a QField project where I've defined 1:n relationships between points/polygons and tables. The relationship itself works fine, and the information is recorded in the tables as planned ...
1
vote
2answers
97 views
Answers to be filled in by default with an expression doesn't work in QFIELD
I have set up a project in QGIS with default expressions which takes data from other fields previously filled in and automatically generates a value. It works fine when filling a form into QGIS but it ...
1
vote
0answers
50 views
Python error: List index out of range [closed]
I created a project in QGIS 3.14 to export to Qfield. Collected data and tried synching with the project on my laptop. After numerous attempts, I updated to the latest, stable version of QGIS and used ...
0
votes
0answers
50 views
QField sync error message
When using QField sync I get the following error message but I'm a GIS novice and cannot make out where the problem lies.
An error has occurred while executing Python code:
IndexError: list index out ...
0
votes
0answers
54 views
Automation/action/scripts in QFIeld
So, from this QField -- using Python init functions (couldn't find anything else but might have missed something obviously) I would like to know if there's a way to add actions or automations on ...
3
votes
2answers
253 views
How to include a PDF for displaying or downloading in QField
What I am looking for:
In a point-layer I would like to add a PDF (stored in OneDrive) that can be opened in Qfield while doing fieldwork.
What I did so far:
I created two fields named 'attachment' ...
0
votes
0answers
24 views
Affine transform of layer in QField
Is it possible to translate and rotate a layer in QField? I have a layer which contains points I want to stake in reference to two monuments, but I won't know the coordinates of the monuments until I'...
1
vote
2answers
66 views
Tablet recommendation for using QField [closed]
I would like to use QField.
Which tablet is recommendable (waterproof, robust, good battery life, good camera)?
1
vote
1answer
49 views
Searching value in list for Value map
I am using Value maps in QGIS and QField.
I use Value Maps with long lists (+500 diff values) all the time, but it is tedious to scroll through the list if I need a value from the bottom of the list.
...
2
votes
1answer
90 views
Opening PDF and other attachments in QField
I want to open a PDF file in QField, but I don't know how to configure a project to be created in QGIS.
Can you tell me how to do this?
1
vote
2answers
121 views
QField Freehand Digitizing Tool
I saw the latest update of QField 1.8 wherein users are allowed to draw/digitize in freehand lines/polygons geometries.
I was wondering how can it be enabled in QField?
We badly need it in our ...
0
votes
0answers
36 views
Failure to transfer edits from QField to PostgreSQL/PostGIS database
PostgreSQL 13.3
PostGIS 3.1.1
QGIS 3.16.8
QField
I am conducting trials in order to develop a strategy for doing field work using QField.
I have a point feature class living in a PostgreSQL/PostGIS ...
2
votes
1answer
62 views
QField: Points aren't straight, they are dirty and blurred
I've made a project in QGIS, imported a new layer with coordinates (points) from a csv-file. Finally I want to find this marks in the area within 10 cm.
In QGIS everything worked fine.
When I made the ...
1
vote
1answer
88 views
QField 1.4.4 Photo Error
I'm trying out QField 1.4.4 and get this error when trying to attach photos to point data.
Value "DCIM/JPEG_20200303_130156.jpg" NOT NULL could not be converted to a compatible value for field Photo_1(...
1
vote
1answer
106 views
Default field value check in qfield form
Using Qfield Project, in the input data form is always avaible for all field the check to set the default value for the next features.
It is possible with some settings define if this check will be ...
1
vote
2answers
63 views
Show attribute instead of fid in QField form
I collect data of tree species per sample plot using QGIS and QField.
Plots (Provyta below) is a point layer with a relation many to one to a table with data of all tree species found at the plot.
...
1
vote
1answer
161 views
Synchronizing data from QField to original SpatiaLite database
I'm trying to get started with QField. I created a SpatiaLite database with several SpatiaLite layers in my QGIS project. Exporting that project with QFieldSync is super easy, as is (offline) editing ...
3
votes
2answers
79 views
How to trigger calculation on QGIS startup?
I am preparing a field worker / QField project an would like to visualize green spaces based on the days that have elapsed since the last field worker has visited that site.
I am testing with a very ...
1
vote
1answer
46 views
Show two columns in attribute form
I'm creating a QField project to field inventory land use.
I want to be able to see the old value and then update a new value in two columns in a form. Is there some way? Maybe if I create two layers, ...
0
votes
0answers
52 views
QField: get the altitude into an attribute
I'm trying to collect the altitude from the GPS of my phone in the a field a create. Here's the situation:
A have a point geometry file saved in a gpk
A field "Altitude", type double
And in ...
2
votes
0answers
35 views
Find and display an entity QField
I tried all the parameters imaginable,
I have a layer with several entities,
and I would like to search for an entity and display it in QField.
Someone could give me a tutorial or some indication to ...
1
vote
1answer
37 views
Simultaneous synchronisation of several QField files
I would like to synchronise several QField files using one command in QGIS. Is this possible with a Python script?
I would like to use the plugin QField sync but for the data of 10 tablets. So that I ...
0
votes
1answer
32 views
Unable to save changes in QField [closed]
I am trying to set up QField for a project, and during testing I am not able to save changes to point layer, and get the error "Unable to save changes". Project is saved on internal storage, ...
0
votes
1answer
109 views
How to build QField source
I ran https://github.com/opengisch/QField build for Android using Powershell with the following steps:
Install docker for Windows
Execute Pull command at https://hub.docker.com/r/opengisch/qfield-sdk/...
5
votes
1answer
167 views
QField - create a form for multiple, 1:n photos
I have read the QField support on how to add a series of pictures to a feature. I've also read other threads and GIS Stack Exchange questions and answers on this: e.g., Setting QField for 1:n photos. ...
6
votes
1answer
297 views
Connecting to PostGIS from QField
I have a QGIS project that uses a table with PostGIS geometry from a PostgreSQL server in the cloud, I have a username and password to connect. In QGIS it is requested to enter username and password ...
1
vote
1answer
62 views
Generating new UUIDs (primary keys) while importing from QField breaks (1:n relation) to child features
We have a QGIS project with a parent (parquets) and two child layers (peuplements and gestion) (1:n relation) all stored in PostGIS. The parent primary key is a UUID (no default value defined). Both ...
1
vote
1answer
38 views
Store and use compass and dip with QField
We will be using QField for structural measurement and geological mapping. Tablet and cell phone can measure plane orientation and dip. How can we set-up these measurement with QField?
0
votes
0answers
40 views
QField Freehand Digitizing, Smarthphone
I would like to use the freehand digitization tool for QField, but this does not work. I want to use it on a Huawei Y6 with an electric stylus pen. The edit mode is activated, a polygon layer is ...
0
votes
2answers
123 views
Which small external GNSS-receivers are tested with QField?
I would like to use QField with a small external GNNS-receiver that I can connect to my smartphone or tablet via USB or Bluetooth (e.g. Trimble R1, ppm 10xx, Leica Zeno FLX 100). Since they are quite ...
1
vote
2answers
100 views
Multiple copies of entries after syncing QField to desktop
I am learning my way into qfield and the qfieldsync plugin and I must be doing something wrong.
I have noticed in the desktop project I am getting multiple copies of features which I added in QField ...
1
vote
2answers
202 views
QField use main-detail tables from PostGIS/PostgreSQL
We are using QField for field data collection (forest survey). Our data is stored in a PostGIS/PostgreSQL database and we use QFieldSync to export and import data. This works fine as long, as we use ...
0
votes
0answers
19 views
QField Freehand Digitizing [duplicate]
I saw the latest update of QField 1.18 wherein users are allowed to draw/digitize in freehand lines/polygons geometries.
I was wondering how can it be enabled in QField?
We badly need it in our ...
0
votes
1answer
40 views
Calling QFieldSync Plugin from QGIS Py Console [closed]
I would like to find way how to call plugin QFieldSync from Python console in QGIS.
0
votes
2answers
48 views
QField: change display label of entered features
I'm experimenting with the QField app to visit trees regularly and monitor them over time. The tree inspections is a table related to a shapefile with the tree locations, so that every visit is ...
0
votes
0answers
74 views
QField: Draw line/polygon freehand using a digital pen on Android Tablet
I have a Samsung Tab Active (Android) with pen and would like to draw lines or polygons freehand. Not just tabbing and adding a new node. Is that possible or planned?
1
vote
1answer
31 views
QField hide / unhide features which are not created on the current date
During field surveys I use QField to enter sightings of animals. Each sighting is stored with a date. When I visit the same site the next time I would like to be able to turn on / off the display of ...
0
votes
1answer
60 views
Qfield layers are not where they should be. CRS problem?
I have created a basic QGIS project with a basemap and a point layer saved with CRS OSGB 1936/British national grid. When uploaded to Qfield, my actual location and the layers I have uploaded don't ...
0
votes
1answer
57 views
Receive 'handle bad layers' and 'invalid data source' message when importing project from QField back to QGIS
using QGIS 3.14.1 and Qfield 1.5.3 with a Samsung Galaxy TAB A (2016)
I have created a Project in QGIS for use in Qfield. I am able to open the project in QField on the tablet and edit the layers with ...
1
vote
2answers
118 views
QField and Atlas
I use QField for my field recording with photo documentation. The synchronization takes place via USB from tablet to PC, everything works without problems.
With my recording and the atlas function, I ...
0
votes
0answers
62 views
QField Tracking problem with Trimble R1
I'm using QField on a Samsung Active 3 Tablet which is connected with a Trimble R1. The GNSS Status App provides the mock location.
Previously I had some problems with the R1 positioning me not ...
