Zoom

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# 2.12.4 Zoom

The Zoom In and Zoom Out actions can also be accessed using buttons on the Tool Bar or usig the Pan/Zoom Mode button. The Mouse Wheel, PAGE DOWN and PAGE UP keys can also be used to zoom in and out.

Holding down the Shift key while clicking the Zoom In or Zoom Out buttons sets the Drawing Scale to a Programmed Zoom value.

  Zoom/Pan Shortcut Keys

  - Keys '1'-'9' set the zoom to between 1::1 and 1::9.

  - Key 'e' sets the zoom to a value that allows all the room to be shown and moves the origin of bottom left of the window to be 0,0

  - Key 's' sets the zoom to show the selected set of objects and pans the window to center the highlit area.

  - Key '0' or 'o' keeps the zoom as is, but moves the origin of the bottom left of the window to 0,0

  - Key 'c' moves the center of the window to the cursor position

Normally a zoom in more of more than 1:1 is not possible, however if the Ctrl key is held down while the Zoom In button is pressed a zoom less that 1:1 can be achieved. This function is useful when working on detail.

Pressing the middle Zoom button on the Tool Bar pop-ups a list of Zoom factors that can be select from.

Note - The value of Zoom 1:1 will be set using 96 dpi as a default, it can be overriden using a Configuration Value in the Preferences section of ScreenDPI.

  The Pan function can be accessed using the Mouse Wheel with Shift of the Mouse Middle Button. Adding Ctrl as well as Shift chnages Up to Left and Down to Right. Pan Left and Right can also be driven by the Horizontal Mouse Wheel (if available) or the Scroll Left/Right Guestures (if mapped by the Operating System).