Questions tagged [qfield]
An app for Android, based on the QGIS libraries but with a simplified, touch oriented user interface.
228
questions
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0answers
8 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
48 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 ...
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0answers
33 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
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0answers
47 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 ...
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0answers
45 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
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0answers
46 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 ...
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0answers
23 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
65 views
Tablet recommendation for using QField [closed]
I would like to use QField.
Which tablet is recommendable (waterproof, robust, good battery life, good camera)?
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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 ...
1
vote
1answer
47 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
47 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
45 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
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.
...
3
votes
2answers
77 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 ...
0
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0answers
47 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 ...
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 ...
0
votes
1answer
30 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, ...
2
votes
1answer
55 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
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0answers
36 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 ...
1
vote
1answer
61 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 ...
0
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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 ...
1
vote
2answers
112 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
1answer
39 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
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0answers
59 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 ...
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 ...
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
40 views
Record time for each vertex of line in QField
I use QField 1.9.5, and QGIS 3.16, and I use GeoPackages to record vector data in QField. I use a line layer to record my track. I also use QField to record photographs taken with my tablet as points. ...
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
2answers
118 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 ...
0
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0answers
60 views
QField offline working with PostGIS database in a local network
I am using a QGIS project connecting to PostGIS as the database where the network has no access to the internet. When I export the data using QFieldSync, a gpkg file is created in addition to the qgs ...
1
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0answers
21 views
QGIS QFieldSync project cannot copy layers in config settings
In this one particular project which I tried to recreate from another project that will not sync with QField but just crashes QGIS. When I try to configure the project for QField packaging I only see ...
1
vote
2answers
405 views
QField connected to Cloud
My question is if it would be possible somehow to upload the data taken in the field using QFIELD in the cloud. I would like to know if there is any similar workflow as with, for example in ArcGIS, ...
5
votes
1answer
169 views
Is it possible to achieve sub-meter accuracies with a smartphone, without using an external GNSS-receiver?
I am currently working with QField on my tablet (Samsung Galaxy Tab S5e) and my smartphone (Samsung Galaxy A40). Since the positioning accuracy on my devices is rather low (absolute best case ~3m on ...
5
votes
1answer
152 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. ...
1
vote
2answers
114 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 ...
1
vote
0answers
47 views
Viewing multiple rasters from single geopackage in QField
I'm running into an issue viewing rasters in QField with multiple rasters in a single geopackage.
I export rasters (tif, ecw) to geopackage and they open in QGIS. They're listed as "copy" in ...
0
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0answers
44 views
How to get attribute values from snapped feature in QField
Is there anyway to get attribute values automatically filled from snapped feature when digitizing a new line?
E.g I have a previous line digitized with attribute "Code" and its value "...
2
votes
1answer
67 views
Finding values in value list by typing part of the value in QField
In QField you have to select a values from drop down value list by scrolling to the desired value. When the value list is very long it would be very helpful if you could enter only a part of the value ...
2
votes
1answer
110 views
Save GNSS accuracy for each vertex of polygon/line feature in QField
In QField it is possible to save positioning information in point features through expression variables like @position_horizontal_accuracy or @position_number_of_used_satellites. The explanation is ...
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0answers
88 views
Snapping and topological editing in QField
Suppose I have a project with two layers, cemeteries and poly. Also, let's call cemeteries something else: hypotheses, because that makes things a bit clearer. I would like to edit these layers in ...
1
vote
1answer
53 views
Does Qfield include SSL?
I am a beginner in this field.
I am working with PostgreSQL, Qgis, and Q-field to collect data on the field.
As you know, I am searching for methods to keep security my database when I open a firewall ...
1
vote
2answers
99 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 ...
0
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0answers
66 views
My QGIS layer files can't be opened in QField
I created a project on QGIS that looks like this
But when I try to open it on QField on my phone, it tells me that couldn't load the layer.
0
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0answers
48 views
How to connect Qfield to PostgreSQL by online?
I created a database on PostgreSQL, connect it to QGIS through PostGIS.
Next, I package for the QGIS project and send it to my mobile. But it gets an error, my phone cannot read the database, it calls ...
1
vote
0answers
94 views
QField expression 'current_value()' not working
QField v1.8.4 on a Samsung Galaxy Tab S4 running Android 10.
Project prepared in QGIS 3.14
I have a point layer (trees_pt) - a shapefile. The layer has attributes like inter alia, spreadN, spreadE, ...
1
vote
0answers
23 views
QField display glitch [closed]
I am using QField v1.8.4 on a Samsung Galaxy Tab S4 running Android 10.
Sometimes when editing an existing feature, the text in a text box widget appears to be duplicated and slightly offset, making ...
2
votes
0answers
31 views
QField crashing unexpectedly with no error [closed]
I have a QField project that crashes intermittently with no error message. When I open the project again, there is no text in the log.
Is there a way to turn logging on to try and find what is causing ...
-1
votes
1answer
34 views
QField: Styles do not match the QGIS-project
I have created a forestry related QGIS-project (in Version 3.10) with a polygon-layer, that displays the different tree-stands with different colors. The project looks fine in the desktop application.
...
0
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0answers
30 views
Get altitude through Trimble TDC 100 and Qfield
Good morning every one,
In our company we got Trimble TDC 100 and install Qflied for data collection. We collect points and polylines. Our aim is to get vertex and points while saving their altitude ( ...
