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photocard
Joined: 12 Jan 2011
Posts: 30
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 Posted: Fri Jun 03, 2011 3:20 pm Post subject: When we shrink a image it decreases the quality, why? |
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Hi! When in photoshop we shrink the texture it decreases the quality. Is there any solution for this?
For example in Fireworks it does not happen. The texture is the keep quality, only make compressed image. |
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renata
Joined: 26 Nov 2010
Posts: 368
Location: Australia
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| Posted: Fri Jun 03, 2011 10:52 pm Post subject: |
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Tell us a little more about what you do when you "shrink the texture". |
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photocard
Joined: 12 Jan 2011
Posts: 30
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| Posted: Fri Jun 03, 2011 11:09 pm Post subject: |
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photocard
Joined: 12 Jan 2011
Posts: 30
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| Posted: Fri Jun 03, 2011 11:11 pm Post subject: |
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The image original with 1024 x 1024 pixels, now has to 100 x 100 pixels. |
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renata
Joined: 26 Nov 2010
Posts: 368
Location: Australia
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| Posted: Sat Jun 04, 2011 12:18 am Post subject: |
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When you decrease the number of pixels, you are decreasing the amount of detail in the file. Are you resizing because you wnat to put it on a web page? |
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photocard
Joined: 12 Jan 2011
Posts: 30
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| Posted: Sat Jun 04, 2011 10:08 am Post subject: |
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| Quote: | Actually I'm using to create a texture map.
And the grass texture will be the ground. But when I keep the original size the sheet. |
When you decrease the number of pixels, you are decreasing the amount of detail in the file. Are you resizing because you wnat to put it on a web page? |
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thehermit
Joined: 05 Mar 2003
Posts: 3987
Location: Cheltenham, UK
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| Posted: Sat Jun 04, 2011 10:24 am Post subject: |
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Is there an echo in here? 
_________________
If life serves you lemons, make lemonade! |
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Patrick
Administrator
Joined: 14 Feb 2003
Posts: 11945
Location: Harbinger, NC, U.S.A.
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| Posted: Sat Jun 04, 2011 12:01 pm Post subject: |
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renata
Joined: 26 Nov 2010
Posts: 368
Location: Australia
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| Posted: Sat Jun 04, 2011 2:06 pm Post subject: |
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The quality will decrease because the information is no longer there.
Each pixel represents a square "dot" of information. So 1024 x 1024 means that there are 1,048,576 "dots" of color information. That gives you plenty of room to show a big picture of grass with lots of different blades and shadows and variations of green.
But 100 x 100 means that there are only 10,000 square "dots" of color information. Photoshop has to throw away a lot of information in order to reduce to that size.
It is normal to make patterns from 100x100 squares, but those squares aren't expected to look like a large image.
Sorry if I've misenderstood your question, but hope that helps a little bit. |
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Auieos
Joined: 29 Jan 2010
Posts: 2019
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| Posted: Sat Jun 04, 2011 9:44 pm Post subject: |
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Very confusing.
Here is a 100x100 seamless tile if that's what your after. |
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