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--- geda:gschem_ug:viewing_schematics [2011/12/23 11:28]
peterb [Color maps]
+++ geda:gschem_ug:viewing_schematics [2012/02/20 15:14]
127.0.0.1 external edit
@@ Line 1: / Line 1: @@
+| << [[schematic_pages|Schematic and symbol pages]]  |  **[[geda:gschem_ug|gEDA gschem User Guide]]**  |  [[editing_actions|Editing actions]] >> |
+~~NOTOC~~
+===== Viewing schematics =====
+When loaded, schematic and symbol pages are shown in the central schematic view area of the gschem [[main_window|main window]].
+==== Changing the view ====
+There are several ways to change the view:
+  * To //pan// the view, click and drag with the middle mouse button anywhere on the schematic, or use the cursor keys (**⇦⇧⇨⇩**).  You can also press **<X>** to center the view on the mouse pointer.
+  * To //zoom in//, press **<Z>** or scroll the mouse wheel upwards.
+  * To //zoom out//, press **<Shift+Z>** or scroll the mouse wheel downwards.
+  * To focus on a particular part of the design, press **<W>** to start drawing a box containing a region of interest. Then left-click with the mouse to expand that area to fill the view.
+Zooming operations will always zoom towards or away from the current location of the mouse pointer.
+You can also select **View→Zoom Extents** to set the view to show everything currently on the page, or **View→Zoom Full** to display the entire workspace.
+==== Color maps ====
+Colors of objects in a schematic or symbol are set using a limited color palette, with the various colors having particular meanings.  For example, nets (which have electrical meaning) are drawn in a different color from lines (which are simply graphical).  A color map is used to choose which color to draw a particular object in.
+There are several color maps provided with gschem, and you can switch between them from the **View** menu.  It is also possible to change the default color map or create your own.  For more information, see [[config|Configuring gschem]].

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