45
votes
Change style properties of several layers simultaneously?
This works for QGIS 3.4 =>
Create a group of all the layers you want to have the same style
Edit the style of one of the layers in the group to your liking
Right-click the correctly styled layer; '...
- 686
36
votes
Missing Processing Tools in Vector Menu of QGIS
According to https://hub.qgis.org/issues/15265, the GDAL tools might get lost if you have the processing tools installed as an external plugin.
Since some time, it has become a core plugin, so no ...
- 76.3k
26
votes
Accepted
Missing Processing Tools in Vector Menu of QGIS
I had the same issue, first thought it was intentional, but discovered if you delete the .qgis2 directory from user account this fixes the problem.
See https://hub.qgis.org/issues/15265
26
votes
Missing Processing Tools in Vector Menu of QGIS
The fTools plugin offered these menus and it has been removed from QGIS and is replaced with the processing plugin.
Just enable the processing plugin and the menu will be back. Note that you can go ...
- 27.5k
17
votes
Missing Processing Tools in Vector Menu of QGIS
In my case deactivating and then reactivating the processing plugin in Plugins -> Manage and Install Plugins fixed the issue.
Everything is back on my Vector menu.
- 581
16
votes
Accepted
Assigning shortcut to PyQGIS script in QGIS
This is an example of how to open the Processing "Join attributes" algorithm by pressing Ctrl + Shift + 1 (you can copy and paste it into the QGIS Python console):
For QGIS v3.x
# Function ...
- 35.9k
15
votes
Displaying QGIS attribute table on the right
Agree with @JochenSchwarze that it makes sense to have it (and thanks for making it a feature request).
Saying that, it is possible to do it with a bit of Python.
Make sure the Open attribute table ...
- 75k
13
votes
Accepted
Deploying QGIS settings in an enterprise environment
Sure is.
QGIS stores stuff in two places:
{USERHOME}.qgis2
Registry (Windows) | .config (Linux)
.qgis2 is for all templates, plugins, python code, processing models, etc
However you can also use ...
- 34.6k
13
votes
Accepted
How to flash selected feature using pyqgis?
We can build a flashFeatures method in this way (give it a try in the QGIS Python Console):
from qgis.gui import QgsHighlight
from PyQt4.QtCore import QTimer
from PyQt4.QtGui import QColor
timer = ...
- 35.9k
12
votes
Missing Processing Tools in Vector Menu of QGIS
I had this problem in QGIS 3.8. I just went into manage and install plugins searched for processing, which is a core plugin. I unclicked this to disable the plugin and then reclicked to enable. This ...
- 309
12
votes
How to flash selected feature using pyqgis?
In 3.0 you can use QGIS's built in flashFeatureIds method on MapCanvas objects
canvas = iface.mapCanvas()
layer = iface.activeLayer()
my_features_ids = [42, 43, 45]
canvas.flashFeatureIds(layer, ...
- 221
11
votes
Accepted
Launching Processing tool User Interface using PyQGIS
You can do that from the QGIS Python console in this way:
# Import both Processing and CommanderWindow
# classes from the Processing framework.
from processing.core.Processing import Processing
...
- 35.9k
11
votes
Is it possible to arrange multiple attribute tables in tabs in QGIS?
Starting from QGIS 3.14, they will open as tabs by default.
If the option "Open new attribute tables as dock windows" is active,
new attribute tables will be open as tabs on top of other ...
- 74.7k
11
votes
Accepted
QComboBox multiple selection - PyQT5
For anyone interested, here is an implementation of a CheckableComboBox.
class CheckableComboBox(QComboBox):
# Subclass Delegate to increase item height
class Delegate(QStyledItemDelegate):
...
10
votes
Is it possible to "crack open" the QGIS GUI to see what coding commands are executed whilst working?
QGIS is open source, so you can always see what its doing. The source code is here:
https://github.com/qgis/QGIS
if you follow the instructions to build QGIS from source then you can run it with a ...
- 61.6k
10
votes
Accepted
Interactive cursor to know coordinates (latitude and longitude) in boundary layer in QGIS
QGIS already shows the coordinates at the bottom of the screen when the cursor moves.
See for more details: https://docs.qgis.org/testing/en/docs/user_manual/introduction/qgis_gui.html#control-the-...
- 3,369
10
votes
Accepted
Docking Results window on right side of another ArcMap window
Drag the window and drop onto the indicator.
Click the "Pin" button at the top right of the window.
- 74.7k
9
votes
Accepted
QGIS on UHD screen
As @Dave Pitman points out in his answer, that a user, Stu Smith, got the manifest hack to work.
I actually got it to work too. Follow the instructions using the link:
http://www.danantonielli.com/...
- 206
9
votes
Accepted
Where are the button icons stored in QGIS?
They are being packed into the application during the compilation phase.
You can find them at the source unpacked:
https://github.com/qgis/QGIS/tree/master/images/themes/default
Edit:
QGis 2.12 ...
- 11.5k
9
votes
Accepted
Add Help Menu entry in QGIS 3 from `startup.py`
Great idea
you need place startup.py in C:\Users\<username>\AppData\Roaming\QGIS\QGIS3
and add missing import ,and voilá
from qgis.utils import iface
from PyQt5.QtWidgets import QAction
import ...
- 7,780
8
votes
Accepted
Why does the Select by expression dialog not show field values?
The information you are looking for is hidden in a panel that is collapsed/minimized on the right-hand side of the dialog. Here's how you can access it:
- 83.7k
8
votes
Accepted
Opening embedded canvas in new window with all layers
Review this script. It creates a new QMainWindow and moves the existing map canvas to that window. I've made some changes. Firstly, add a file path (to QgsVectorLayer) to be displayed in map canvas.
...
- 74.7k
7
votes
Displaying QGIS attribute table on the right
Seems impossible at the moment. But I strongly agree that it makes sense. I have just started a feature request in the QGIS issue tracker https://hub.qgis.org/issues/14941
- 14.6k
7
votes
Accepted
Is it possible to arrange multiple attribute tables in tabs in QGIS?
You put the attribute table into a dock widget in settings => options => data sources. Docks can easily be stacked as tabs.
There is still a manual process to it to stack the two tables. As far as I ...
- 27.5k
7
votes
Accepted
How to display QGIS "processing ..." bar from a plugin?
Create bar:
bar = QProgressBar()
Set range from 0 to 0:
bar.setRange(0,0)
And now you have:
Just set normal values like (0,100) if you want to end this "busy" state.
If you want to place this ...
- 6,622
7
votes
Accepted
customizing QGIS Layers Panel to show layer CRS next to layer name
You could use something like this once your layers have been loaded into QGIS:
for layer in QgsMapLayerRegistry.instance().mapLayers().values():
crs = layer.crs().authid()
layer....
- 75k
7
votes
Accepted
Create 2nd UI Window for Qgis 3.0 Plugin
You can use qt designer for creating second gui.
Follow the steps mentioned below
Goto start menu and search Qt Designer.
Start Qt Designer and make the second UI.
Save this UI to the path of your ...
- 1,634
7
votes
Accepted
PyQGIS custom application: no GUI appearing
Any GUI doesn't appear when using PyQGIS standalone application. You have to construct it.
Here is an example:
from qgis.core import *
from qgis.gui import *
from qgis.PyQt.QtWidgets import *
### GUI ...
- 74.7k
6
votes
Accepted
PyGIS remove QgsVertexMarker from scene
I found a solution.
Instead of
iface.mapCanvas().scene().items().remove(ver)
the item has to be deleted directly from the scene:
vertex_items = [ i for i in iface.mapCanvas().scene().items() if ...
- 2,898
6
votes
Accepted
QGIS 3.22 UI theme > layer panel > increase line spacing?
Add the following lines to style.qss:
QTableView::item,
QListView::item,
QTreeView::item
{
padding: 3ex;
}
- 74.7k
Only top scored, non community-wiki answers of a minimum length are eligible