pyvistaqt | Qt support for PyVista | Data Visualization library
kandi X-RAY | pyvistaqt Summary
kandi X-RAY | pyvistaqt Summary
Qt support for PyVista
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Top functions reviewed by kandi - BETA
- Handles the mouse press event
- Determines if the key is pressed
- Return the pixel s pixel ratio
- Sets event information
- Handle resize event
- Creates a QWidget widget for a vtkActor
- Set the maximum value
- Update the tree widget
- Create a renderer for a QTKender widget
- Show the window
- Update the slider s value
- Set the value
- Add camera toolbar
- Add an action to the toolbar
- Create the main menu bar
- Create a QMenuBar
- Event handler
- Shows the current cursor
- Configures the application
- KeyRelease event handler
- Setup key press events
- Trigger a mouse move event
- Handles key press events
- Set the minimum value
- Release the mouse release event
- Leave event
pyvistaqt Key Features
pyvistaqt Examples and Code Snippets
def test_menubar_click(app: MainApp, qtbot: QtBot) -> None:
# Arrange
file_menu = app.view.file_menu
menubar = app.view.menubar
qtbot.add_widget(menubar)
# Act
action_rect = menubar.actionGeometry(file_menu.menuA
Community Discussions
Trending Discussions on pyvistaqt
QUESTION
I am trying to move my mouse to the File
"button" on the menubar. In my program, pytestqt.mouseMove
is moving the mouse to the wrong place (it's currently clicking near the window title).
OS: Windows 10 Professional x64-bit, Build 1909
Python: 3.8.10 x64-bit
PyQt: 5.15.4
pytest-qt: 4.0.2
IDE: VSCode 1.59.0
ANSWER
Answered 2021-Aug-08 at 23:44The following must be taken into account:
The QMenu is not a "File button" but it is the popup that is shown when pressing that element. For this reason, since it is not visible, the topleft of the screen is taken as a reference (since it does not have a parent) and the suggested size of the QMenu .
That "File button" is not a QWidget either, but is part of the QMenuBar where the QAction associated with the QMenu(
menuAction()
method) is used to paint it, so the mouseMove must use theQMenuBar
and theactionGeometry()
method to obtain the coordinates of the item.
QUESTION
I am using pyvistaqt
and want display a progress bar window when I load data. I have success without using pyvista
with PyQt
(see this SO post), however it isn't working when I add vtk
.
I think something is still blocking the main thread, but I don't know what. Either the progress bar won't show at all, or if it does, half way through the bar stops loading and stops responding. Any help would be much appreciated:
Setup:
...ANSWER
Answered 2021-Dec-17 at 00:12"(Not Responding)" in Windows is usually the consequence of a deadlock. Historically, a lot of confusion has surfaced over whether to override run()
or to use moveToThread()
when dealing with QThread
:
- You're doing it wrong...
- You were not doing so wrong
- QThread documentation: do not discourage the reimplementation of QThread
Though both methods are accepted, I chose to use moveToThread()
because I learned it was best used when you have threads that need to interact with one another through signals and slots (see QThreads: Are You Using Them Wrong?)
After careful consideration, I removed the lambda
from self.thread.started.connect
and replaced it with
QUESTION
I need a way to make a 3-dimensional surface plot using millions of datapoints, so I began checking into pyvista which is supposed to do this well. However, pyvista is a bit difficult for me to grasp.
I have x,y,z data where x is time, y is different measurements, and z is the values for those measurements. All I want is for pyvista to show me a surface plot with this information.
For example, if I use this array in matplotlib or other libraries with surface plots:
...ANSWER
Answered 2021-Sep-09 at 14:41Your first version is correct.
PyVista has excellent documentation, part of which is an extensive collection of examples. You need the one that's called Creating a Structured Surface. This ends up being pretty much the same code as what you originally showed:
QUESTION
This question has been asked here, here, here, here, and here and there is apparently still a bug regarding it in Qt5, noted here. So far, nothing I have found has solved my problem.
I am trying to test that when my mouse hovers over a toolbar button that the correct statusbar message is displayed.
SetupOS: Windows 10 Professional x64-bit, Build 1909
Python: 3.8.10 x64-bit
PyQt: 5.15.4
pytest-qt: 4.0.2
IDE: VSCode 1.59.0
ANSWER
Answered 2021-Aug-08 at 00:48Your code has 2 problems:
- You should not use time.sleep as it blocks the GUI.
- You have placed the mouse in the center of the button but you have not moved it.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install pyvistaqt
You can use pyvistaqt like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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