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Confused about channels and Displace Map Files?
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| midihead 2007-01-10, 6:19 pm |
| Two questions:
1. I read one tutorial (don't remember where) that said that a good way
of creating a displacement map is to go into the channels and hide all
but the one with the most contrast.... But... If I read the help in
photoshop it says that the first channel is controlling the horizontal
stuff and the second one is controlling the vertical stuff... that
really confusing me since that tutorial then only had one channel what
happens to the vertical displace then. Can someone explain this to me
and how it works and what the best way is to create a displacement map?
2. I open a simple photo -> Open the channel tab -> Hide all but one
channel -> save as "Displace Map.psd" (keeping maximum compatability)
-> Close. Then I open "Displace Map.psd" and the channels are all
visible again. Is the channel settings not saved with the PSD file?
Thank you for you time
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| ronviers@gmail.com 2007-01-10, 6:19 pm |
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midihead wrote:
> Two questions:
>
>
> 1. I read one tutorial (don't remember where) that said that a good way
> of creating a displacement map is to go into the channels and hide all
> but the one with the most contrast....
Hi,
It sounds like the tutorial is asking you to create a new document
using the channel with the most contrast. Then later use that document
as a source of the 'Displace' filter.
To do this:
First duplicate the background.
Then go to channels and make visible the most contrasty one.
Then click on the 'Load channel as selection' button.
'Edit'
'Copy'
'File'
'New'
'Paste'
'Save'
I have no doubt that there is a better way but this will keep you
going.
Good luck,
Ron
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