add documentation for magnifier (#1128)

qgis · Sep 12, 2016 · a9aff5d · a9aff5d
1 parent 2675d33
commit a9aff5d
Show file tree

Hide file tree

Showing 3 changed files with 23 additions and 2 deletions.
diff --git a/resources/en/docs/user_manual/introduction/rendering_menu.png b/resources/en/docs/user_manual/introduction/rendering_menu.png
diff --git a/source/docs/user_manual/introduction/qgis_configuration.rst b/source/docs/user_manual/introduction/qgis_configuration.rst
@@ -172,6 +172,17 @@ Removing a folder from the list will make it available in the Browser panel.
 Rendering Tab
 --------------
 
+.. _figure_rendering_menu:
+
+.. only:: html
+
+   **Figure Rendering Menu:**
+
+.. figure:: /static/user_manual/introduction/rendering_menu.png
+   :align: center
+
+   Rendering tab of Project Properties dialog
+
 **Rendering behavior**
 
 * |checkbox| :guilabel:`By default new layers added to the map should be displayed`
@@ -183,6 +194,7 @@ Rendering Tab
 * :guilabel:`Simplification threshold`
 * |checkbox| :guilabel:`Simplify on provider side if possible`
 * :guilabel:`Maximum scale at which the layer should be simplified`
+* |doublespinbox| :guilabel:`Magnification level`
 
 **Rendering quality**
 

diff --git a/source/docs/user_manual/introduction/qgis_gui.rst b/source/docs/user_manual/introduction/qgis_gui.rst
@@ -521,10 +521,19 @@ It shows the scale of the map view. If you zoom in or out, QGIS shows you the
 current scale. There is a scale selector, which allows you to choose among
 :ref:`predefined and custom scales <predefinedscales>` to assign to the map view.
 
-To the right of the scale display you can define a current clockwise rotation for
+On the right side of the scale display you can define a current
+:index:`magnification` level for your map view. This allows to zoom in to a map
+without altering the map scale, making it easier to accurately
+tweak the positions of labels and symbols. The magnification level is expressed as a
+percentage. If the :guilabel:`Magnifier` has a level of 100%, then the current
+map is not magnified. Additionally, a default magnification value can be defined
+within
+:menuselection:`Settings --> Options --> Rendering --> Rendering behaviour`,
+which is very useful for high resolution screen to avoid too small symbols.
+
+To the right of the magnifier tool you can define a current clockwise rotation for
 your map view in degrees.
 
-
 On the right side of the status bar, there is a small
 checkbox which can be used to temporarily prevent layers being rendered to the
 map view (see section :ref:`redraw_events`).