Questions tagged [qfield]
An app for Android, based on the QGIS libraries but with a simplified, touch oriented user interface.
261
questions
0
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0answers
31 views
Can you edit existing attributes in QField?
Can you edit existing attributes in QField? I've researched and tried various options in QGIS/QField but no luck.
0
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0answers
19 views
Populate user_account_name and user_full_name with device information
I have been reading the following issue https://github.com/opengisch/QField/issues/729 about populating a field (by default) with a user account name.
Because they speak about a workaround with global ...
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0answers
23 views
PostgreSQL API and QField
Does anyone know how to create a QField API, because I think it's going to work in my case. What I want to achieve is load a heavy PostgreSQL DB on QField (The project contains a lot of tables about ...
1
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0answers
19 views
Activating the GPS on QField for Windows Desktop (beta)
Has anyone figured out how to activate the GPS on the computer to use in QField-Windows?
I have a Getac field tablet/computer.
I've created a QGIS Project with 3 vector layers and packaged for QField.
...
2
votes
0answers
45 views
Programmatically inserting images as binary data (BLOB) in PostGIS bytea field from QGIS attributes form
I am creating a QGIS project with a view to being exportable to QField to work offline.
I want to be able to take pictures in the field and store them directly into PostgreSQL as binary data. I have ...
3
votes
1answer
89 views
Attribute subdomain in QField
I have a point layer with the attribute:
kingdom
With a value map widget so I can choose the values: Tree or mammal.
And a second field:
Species (Pine, Oak, Deer, Fox)
When I choose Tree, I want ...
0
votes
1answer
49 views
QField fails to start with very simple project
I am new to this software so was following an online tutorial to create a very simple form with an open source base map. QGIS version 3.22.0-Białowieża. QField Sync v. 3.4.4. I copied all the files ...
0
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1answer
45 views
QField Sync issues
I use QField 1.9.6 on Android 10, QGIS 3.20 and QField Sync 3.4.4 on Ubuntu 20.04.
I have a fairly simple geopackage to edit with QField from QGIS. It is set as offline editing. Producing the package ...
0
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1answer
33 views
Automatic Tracing (not tracking) of polygons in QField
Does QField support the Auto-Tracing Tool like QGIS does? Like shown in the picture above.
I tried to export my QGIS projects with the activated Auto-Tracing tool, but in QField the tool doesn't seem ...
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0answers
14 views
Orthometric Elevation NOT possible? QField elevation from Trimble Catalyst DA1 via USB Connection [duplicate]
REPOST - Simple Title: SOFTWARE VERSION IN USE: Using QGIS (V 3.16.11 LTR); QField (V 1.9.6 - latest) and Trimble Catalyst GNNS Antenna / Trimble Mobile Manager (V 2.9.0 - latest).
QFIELD SETUP: ...
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0answers
75 views
QField elevation receives Ellipsoidal elevation only from Trimble Catalyst DA1 via USB Connection - Orthometric not possible
SOFTWARE VERSION IN USE:
Using QGIS (V 3.16.11 LTR); QField (V 1.9.6 - latest) and Trimble Catalyst GNNS Antenna / Trimble Mobile Manager (V 2.9.0 - latest).
QFIELD SETUP:
Qfield receives RTK GNSS ...
0
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0answers
54 views
Saving login credentials for database in QGIS project file for QField
I'm trying to setup my QField application with PostGIS. However, I get an error in QField saying:
The following layers could not be loaded, please review and
reconfigure the QGIS project.
Does ...
0
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0answers
28 views
QField keeps stopping on Chromebook
I use QField on my Samsung Chromebook to digitalize field data of birds of prey.
I used it a lot of times and everything worked fine and now the app QField won't open anymore. I tried to reinstall ...
0
votes
1answer
84 views
QField QFieldSync issues
I have a fairly simple geopackage to edit with QField from QGIS. I've packaged the project, and put it on my mobile phone (Android 9) made some edits for a bunch of data I'm trying to verify. Then I'...
3
votes
1answer
85 views
Photo naming error (QField)
Follow the instructions at https://qfield.org/docs/prepare/picture_path.html?highlight=photo
I write the following route to "Photo naming":
'DCIM / INV / INV_' || (now () || '.jpg'
But it ...
2
votes
1answer
48 views
Autofilling from localisation compared to UTM based grid using QGIS/QField
I have gpkg features table where I have $x and $y columns and features info.
I also have a gpkg table with a grid generated by QGIS with UTM coordinates in (left, top, right, bottom) for each square. ...
2
votes
1answer
82 views
Problem to connect RTK receiver to acquire cm precision on Z axis
I'm working with QField and I'm trying to connect an external RTK GNSS receiver, concretely the Polaris S100. This receiver works with NTRIP correction to acquire High precision measurement and the ...
1
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0answers
60 views
QField: Drop-down selects all values, instead of the choosen values
I am creating a QField Layer with different Drop-Down menus and relations. There is a problem when I select "Allow multiple selections". When I create a line there are choices to select, ...
2
votes
1answer
118 views
QField, QGIS, PostgreSQL working with enterprise database
I am trying to connect many devices together for data capturing using QField 1.9.6 and PostgreSQL. I prepared the data with QGIS 3.20.1, but I keep getting errors when am not using the store options ...
0
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0answers
33 views
Go to navigation in QField
Is there a way to have some kind of navigation (distance and azimuth) to an object in Qfield ?
I have some points i need to navigate to thru the forest, so i'd like to know my distance from them and ...
1
vote
0answers
32 views
Photos not saving in QField
I've recently encountered a problem with photos not saving in QField (it was working in early August and I ran into this issue late August).
When "Use native camera" is toggled on the photos ...
2
votes
0answers
42 views
QGIS (& QField) update entire column with 'survey end time'
I have a QGIS project set up to be taken to site to gather data (likely on QField). There is a main point data layer where tube locations will be mapped. This is joined to a surveydata table that ...
0
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3answers
60 views
Changing of default QField basemap when loading shapefiles only
I configured a QField Project file for our field data collection. In the QField Properties in QGIS, I set one layer (shapefile) in Copy action so that the data that will be collected in the field will ...
2
votes
0answers
75 views
Restoring GeoPackage from exported QField app
I have created a QGIS project and exported it as an offline-editing app for QField. I packaged the project using the QField Sync plugin and have several point layers (with offline editing) stored into ...
1
vote
0answers
55 views
QField raster GeoPackage [closed]
I tried converting my TIFF images to a geopackage (to decrease the file size) since I would be loading my project file to QField. However, upon packaging and opening my QField geopackaged project file ...
2
votes
0answers
42 views
QField unable to fetch new points from WFS
I created a simple QGIS project with a single editable WFS layer that uses basic auth. This layer is published using Geoserver from a PostGIS DB. I packaged the QGIS project for QField with the plugin ...
0
votes
1answer
65 views
Is it possible to design a soil investigation borehole grid and apply this for location and attribute collection in the field with QGIS & QField?
I am very new to QGIS and GIS generally.
In the recent past I have worked with another company (ArcGIS users) with mobile phone based field app (Collector) to GPS locate position for pre-planned ...
3
votes
1answer
58 views
QField Sync used in different Laptop/Machine
I configured a QField Package project using my machine/laptop. It worked great and was packaged successfully. Then, after I collected data from the field, I synchronized it using the QField Sync ...
2
votes
2answers
73 views
Adding pictures with QField into QGIS (parent primary keys are not available)
After programming in QGIS, the following error appears in the QField when I try to make a picture:
Cannot add child feature: parent primary keys are not available.
It's probably just a minor flaw in ...
3
votes
1answer
66 views
QField GPS lost when screen is off
I'm using QField on Android 9 and when I lock screen it loses the GPS and stops tracking...
I went to parameter and battery optimisation and switched QField to not optimised, but it still happens...
...
0
votes
1answer
40 views
Is it possible to track time while tracking a polyline using QField
I am tracking my footpath using QField. However, it looks like it is not possible to get any automated information as time etc.
Is that correct or is there any way to automatic track some information ...
0
votes
1answer
50 views
Folders path with new version of QField
Through the QField app version 1.9.5 I imported some projects, with the related data, created with QGIS. The path I used to import the shapefiles and projects created during the field work was the ...
0
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0answers
25 views
Triggering voice memo-recording within QField
Is there a function to add a field that triggers an audio recording app within QField.
It would be awesome to walk while monitoring and just babbling along instead of endless typing inside of the ...
1
vote
1answer
46 views
Null geometry for child feature
I'm using QField 1.9.6 and QGIS 3.18.2
In Qfield, I have a .shp layer called "photos". I also have a .shp layer called "trees". There is a 1:N relation between "trees" ...
0
votes
1answer
129 views
Accessing variables and functions from QGIS in Qt Designer
When I am using the QGIS built-in formula to create a formula (for QField), I can use functions and access variables like now() or $y:
How can I access them using Qt Designer?
I want to display the ...
0
votes
1answer
91 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
...
1
vote
1answer
27 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
138 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 ...
0
votes
1answer
64 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. ...
1
vote
0answers
53 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
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0answers
56 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
76 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 ...
0
votes
0answers
31 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
105 views
Tablet recommendation for using QField [closed]
I would like to use QField.
Which tablet is recommendable (waterproof, robust, good battery life, good camera)?
0
votes
0answers
53 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 ...
1
vote
1answer
68 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 ...
1
vote
1answer
58 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.
...
1
vote
1answer
61 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, ...
1
vote
2answers
75 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.
...
4
votes
2answers
97 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 ...
