Displaying Images

When you include graphics and images into a presentation it is important that the image is the correct size.
If you are going to display the presentation as a slide show on a laptop or video projector then you need to know the video resolution of the monitor that you will be using.
You can find out what the video resolution of a monitor is by right clicking on the desktop and selecting Properties. Select the Settings tab.
Large monitors may be 1024 by 768 and smaller ones may be 800 by 600.
The size of your image needs to be proportional to the area of the screen that it will occupy.
If the image will be displayed on the whole screen, then it need to be the same size as the screen (e.g. 1024 pixels by 768 pixels).
If the image is only going to be displayed on a third of the screen then the image needs to be (1024 / 3) by (768 / 3) pixels in size.



Adding graphics - common file extensions

Windows Bitmapbmp, bmz, rle, dib
Computer Graphics Metafilecgm
Corel Drawcdr, cdt, cmx, pat
AutoCAD 2-Ddxf
Enhanced Metafileemf
Encapsulated Postscripteps
Windows Metafilewmf, wmz



The ideal size for an image
First know the resolution of the screen it will be displayed on.
On the Desktop, Properties, Settings, Screen Area (typically 800*600 pixels (laptops) or 1024*768 (desktops))
If the image is smaller than full screen it needs proportionally fewer pixels.
If the Image occupies a quarter of the screen then it only needs 800/4 or 200 pixels.
You could use Corel Draw to produce your graphics (www.altman.com)



You cannot Ungroup bmp files, so there is no easy way to grab part of a bmp picture.
Right-click the picture and select ReColor just select the predominent colour.
Creating perfect Squares and Circles. When creating the object for the first time hold down the shift while you draw the object. If the object has already been created hold down the Ctrl whiledouble clicking one of the re-sizing handles.
The set transparent color lets you specify one colour as transparent.




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