====== Preferences of MapCanvas ======

This page describes the preferences related to Workspace framework.

{{orbit_desktop:entrance_icon_2.png?nolink&25 |}} [[171:desktop:workspace:main_toolbar|Main Toolbar]] > [[171:desktop:preferences:index|Preferences]] > Map Canvas

{{:170:desktop:preferences_mapcanvas_170.png?nolink&500|}}

=== Smart Zoom Direction ===

 It is possible to change the direction of the [[171:desktop:map:2d#zoom|smart zoom]] ( also the Mouse scroll )
 Orbit Style | Push or scroll away to zoom out. 
 Google Style | Push or scroll away to zoom in.
 
=== Smart Zoom Modifier ===

To adjust the [[171:desktop:map:2d#zoom|smart zoom]] rate and the smart zoom factor: 
Set smart zoom rate | Increase the zooming speed by setting the zoom rate faster. The smart zoom will zoom in and out slower or faster according to the adjustments. 

=== CRS ===

Gives different possibilities to define the MapCanvas coordinate system:
  * Use default CRS: the default CRS will be used to display all datasets that do not have a defined CRS
  * Update map CRS by first visible dataset : the map will be displayed in the CRS of the first visible dataset 
  * Protect default CRS as map CRS : the map CRS will be displayed in the default CRS if the map CRS is not changed manualy 
  * Protect and lock default CRS as map CRS : it will be imposibile to change the map CRS without changing the preferences settings

You can define the unit of measurement for the Map Canvas

=== Widgets ===

Show or hide some widgets/tools : the scale bar, the status bar or pixels color and coordinates