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QGIS is highly configurable through the Settings menu. Choose between Panels, Toolbars, Project Properties, Options and Customization.
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QGIS follows desktop guidelines for the location of options and project properties item. Consequently related to the OS you are using, location of some of items described above could be located in the View menu (Panels and Toolbars) or in Project for Options.
In the Panels‣ menu, you can switch on and off QGIS widgets. The Toolbars‣ menu provides the possibility to switch on and off icon groups in the QGIS toolbar (see figure_panels_toolbars).
Figure Panels and Toolbars:
Tip
Activating the QGIS Overview
In QGIS, you can use an overview panel that provides a full extent view of layers added to it. It can be selected under the menu Settings ‣ Panels or View ‣ Panels. Within the view is a rectangle showing the current map extent. This allows you to quickly determine which area of the map you are currently viewing. Note that labels are not rendered to the map overview even if the layers in the map overview have been set up for labeling. If you click and drag the red rectangle in the overview that shows your current extent, the main map view will update accordingly.
In the properties window for the project under Settings ‣ Project Properties (kde) or Project ‣ Project Properties (Gnome), you can set project-specific options. These include:
Menu CRS memungkinkan Anda untuk memilih Coordinat Reference System untuk proyek ini, dan memungkinkan proyeksi ulang on-the-fly lapisan raster dan lapisan vektor ketika menampilkan lapisan dari CRS yang berbeda.
Menu Macros digunakan untuk mengedit Python macros untuk proyek. Saat ini, hanya tiga macro yang tersedia: openProject(), saveProject() dan closeProject().
Menu Relasi digunakan untuk menentukan relasi 1:n. Relasi ditentukan dalam dialog properti proyek. Setelah ada relasi lapisan, elemen antarmuka pengguna baru form tampilan (misalnya ketika mengidentifikasi fitur dan membuka form) akan daftar entitas terkait. Ini menyediakan cara ampuh mengekspresikan misalnya sejarah inspeksi pada panjang pipa atau segmen jalan. Anda bisa menemukan lebih jauh tentang relasi 1:n di Bagian Creating one to many relations.
Some basic options for QGIS can be selected using the Options dialog. Select the menu option Settings ‣ Options. The tabs where you can customize your options are described below.
The customization tool lets you (de)activate almost every element in the QGIS user interface. This can be very useful if you have a lot of plugins installed that you never use and that are filling your screen.
Figure Customization 1:
QGIS Customization is divided into five groups. In Menus, you can hide entries in the Menu bar. In Panels, you find the panel windows. Panel windows are applications that can be started and used as a floating, top-level window or embedded to the QGIS main window as a docked widget (see also Panels and Toolbars). In the Status Bar, features like the coordinate information can be deactivated. In Toolbars, you can (de)activate the toolbar icons of QGIS, and in Widgets, you can (de)activate dialogs as well as their buttons.
With Switch to catching widgets in main application, you can click on elements in QGIS that you want to be hidden and find the corresponding entry in Customization (see figure_customization). You can also save your various setups for different use cases as well. Before your changes are applied, you need to restart QGIS.