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Pictures and Images
As a general rule, use JPG for photos, and GIF for
graphics (as the internet gets faster, this seems
less important, but some users may have very old computers !)
Some examples of possibilities with images are :-
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| 000000 |
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000033 |
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| 003300 |
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003333 |
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| 006600 |
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006633 |
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| 009900 |
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009933 |
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| 00cc00 |
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00cc33 |
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| 00ff00 |
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00ff33 |
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These colour blocks have been generated with html code.
The size of the code is about 1kb |
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this is a Hardcopy 'capture' of a similar image - this
is effectively a photgraph in JPG format - it is 54kb |
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This is the JPG image converted to GIF format, which
is 12kb, although the quality is perhaps lower, the file is much smaller |
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Click on image to open it
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This is the full JPG image of a photo, re-sized to be
a thumbnail. If you click on this, the full photo should open in a
new window. It is 110kb |
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This is a cropped section of the same photo (the best
bit) in JPG format. It is only 16kb |
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This is the same image saved in GIF format - it is much
larger at 42kb |
| Clearly, it is much better to use JPG
for photos, and GIF for all sorts of graphics |
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pictures and graphics can also be displayed using boxes
and backgrounds |
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simple picture |
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same picture with black frame |
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with background filled, and caption |