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How to remove the memory layer from QGIS?
If I run the plugin a second time after removing the memory layer from the layer list panel without closing QGIS the memory layer is produced along with the previously created layer. It seems as though the memory layer name cannot be reused until QGIS is closed.
When do I need to remove memory from my computer?
If your computer’s memory slots are full, some or all the memory chips need to be removed before other memory can be added. Below are the steps on how to remove memory from your computer.
Is there a way to clear the memory cache on Windows?
This is one of the easiest solutions to clear memory cache on the Windows operating system. This method is completely free; you don’t have to install any third-party paid tool to clear the memory cache. Below are some steps to clear memory cache on Windows.
How to count duplicate points in QGIS using Python?
Then, a new memory layer is generated, containing the same initial attributes plus two additional fields: the “ DUPLICATES ” field, which store the number of duplicate features (i.e. the result of the counting operation decreased by one because the using of the Spatial Index considers the current point itself).
How to make a cheat sheet for pyqgis?
Cheat sheet for PyQGIS — QGIS Documentation documentation The code snippets on this page need the following imports if you’re outside the pyqgis console: 20. Cheat sheet for PyQGIS ¶ 20.1. User Interface ¶ 20.2. Settings ¶ 20.3. Toolbars ¶ 20.4. Menus ¶ 20.5. Canvas ¶ 20.6. Layers ¶
Is there way to remove memory layer from memory?
It seems as though the memory layer name cannot be reused until QGIS is closed. Is there a way to clear this layer from the memory to rerun the plugin?
When to use qgsproject.instance instead of QGIS?
Most of the time you want to use QgsProject.instance () instead as many components of QGIS work with the singleton. Reads and writes project states. Has two general kinds of state to make persistent.
What is the data source identifier in QGIS?
The data source identifier is a string and it is specific to each vector data provider. Layer’s name is used in the layer list widget. It is important to check whether the layer has been loaded successfully. If it was not, an invalid layer instance is returned. For a geopackage vector layer:
What does the qfileinfo object do in QGIS?
Returns QFileInfo object for the project’s associated file. Returns the project’s file name. Returns true if the project comes from a zip archive, false otherwise. Returns project file path if layer is embedded from other project file. Returns a pointer to the project’s internal layer store.