[Gimp-user] bad results after rotating a image

2006-07-06 Thread Michael_Hoeller


Hello experts, 

I have a problem with a rotating logo..
(akazia_logo_v5.xcf) - http://www.agenda21-bad-urach.de/demo.html.
I rotated it by 5 degres each
over the full 360 cirlce, I scaled it down and indexed the colour (sorry
this might not
be the correct word in English)
and created the gif with 50ms per frame. 

Now when you look at the result akazia_logo_v5_ani_demo.gif
- http://www.agenda21-bad-urach.de/demo.html
you can easily see how bad it comes
out: 
- the text akazia is no more readable

- the frame in has got steps
when it rotates 
- at 90 and 270 degre there is a too
long gap where nothing is visibable though I have set the 90degre
frame to 88 and 270 to 268 resp. -92 degree 

I think this are user issues
I just can not find out by try and error how to make it better. Has someone
a hint what I can do? My assumption is not that 
nessesarly the downscale is the reason
- I think already the induvidal frames could be better. This leads to the
question in which size and resolution (dpi) 
I need to create the base and if there
are does and donts for the rotation to get a better result. 
And last: I created 72 frames manually
- is there a tool to automate this ??? 

Thanks a lot 
Michael 



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[Gimp-user] Re: bad results after rotating a image

2006-07-06 Thread Olivier Ripoll

[EMAIL PROTECTED] wrote:



Hello experts,

I have a problem with a rotating logo..  (akazia_logo_v5.xcf) - 
http://www.agenda21-bad-urach.de/demo.html.
 I rotated it by 5 degres each over the full 360 cirlce, I scaled it 
down and indexed the colour (sorry this might not

 be the correct word in English) and created the gif with 50ms per frame.


looks fine.

Now when you look at the result akazia_logo_v5_ani_demo.gif  - 
http://www.agenda21-bad-urach.de/demo.html

you can easily see how bad it comes out:
- the text akazia is no more readable
- the frame in has got steps when it rotates

see below for the explanation...

- at 90 and 270 degre there is a too long gap where nothing is visibable 
though I have set  the 90degre frame to 88 and 270 to 268 resp. -92 degree
To me it looks ok. You could make these frames shorter in time or paint 
the line by hand to give a thickness to the plane.


I think this are user issues I just can not find out by try and error 
how to make it better. Has someone a hint what I can do? My assumption 
is not that
nessesarly the downscale is the reason - I think already the induvidal 
frames could be better. This leads to the question in which size and 
resolution (dpi)


First I thought you had either used a bad downscale (nearest neighbor 
instead of linear or cubic) or a bad indexing (the gif uses only 16 
colours), but after playing with your xcf, I understand the problem:


You are trying to make a transparent gif. The problem is due to the gif 
format. The only way to solve this is to forget about transparency and 
make any frame opaque with the colour you want to use on the web page.

Gif cannot handle real transparency, just a cut-through illusion.
You are hitting a fundamental limitation of GIF.


I need to create the base and if there are does and donts for the 
rotation to get a better result.
And last: I created 72 frames manually - is there a tool to automate 
this ???


You can script it with script-fu, and perhaps python-fu (depends on your 
OS, I think it's not yet ready for windows) and perl-fu.




Thanks a lot
Michael

Best regards,

Olivier

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[Gimp-user] Motivator Script?

2006-07-06 Thread Jürgen Hubert
I recently came across this neat toy:

http://flagrantdisregard.com/flickr/motivator.php

You can see quite a few examples of what you can do with this here:

http://forum.rpg.net/showthread.php?t=264472


I was wondering: Is there some sort of script that allows you to do the same 
with GIMP?

- Jürgen Hubert
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[Gimp-user] GIMP can induce De Quervain's disease

2006-07-06 Thread Hector Noriega


Hello,

This might be a common experience (or a well-known fact) among GIMP users. I 
just want to say that I just recovered from De Quervain's disease after an 
intensive week using GIMP. I'm not familiar with the new versions of this 
software, but mine requires keeping both my thumb and index finger pressed 
against the mouse while painting and retouching pictures. I did this for 4-5 
days, 3-4 non-interrupted hours a day. I ended up with a strong pain in my 
wrist due to the inflammed tendons at the base of my thumb (De Quervain's 
disease). My right hand was practically inoperational for 2 1/2 months. A 
corticosteroid injection and a constant routine of ice and medication saved 
me from a wrist surgery. I could not believe a mouse could induce such 
damage to my hand while using GIMP.


H. Noriega


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Re: [Gimp-user] GIMP can induce De Quervain's disease

2006-07-06 Thread Joey Cagle
Sorry to hear about this.  However, would the same thing not happen if you  
were using Photoshop or Paint Shop Pro?


Joey

On Fri, 07 Jul 2006 11:13:41 +0800, Hector Noriega [EMAIL PROTECTED]  
wrote:




Hello,

This might be a common experience (or a well-known fact) among GIMP  
users. I just want to say that I just recovered from De Quervain's  
disease after an intensive week using GIMP. I'm not familiar with the  
new versions of this software, but mine requires keeping both my thumb  
and index finger pressed against the mouse while painting and retouching  
pictures. I did this for 4-5 days, 3-4 non-interrupted hours a day. I  
ended up with a strong pain in my wrist due to the inflammed tendons at  
the base of my thumb (De Quervain's disease). My right hand was  
practically inoperational for 2 1/2 months. A corticosteroid injection  
and a constant routine of ice and medication saved me from a wrist  
surgery. I could not believe a mouse could induce such damage to my hand  
while using GIMP.


H. Noriega


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Re: [Gimp-user] GIMP can induce De Quervain's disease

2006-07-06 Thread Raymon Van Wanrooij
Yes it would, any program requiring precision control with the mouse cancause it cause you are really cramped controlling it then. A better solutionis to use the right tool for the job, like using a tablet (from wacom or
something) for painting an d photo retouching.RaymonOn 7/6/06, Joey Cagle [EMAIL PROTECTED] wrote: Sorry to hear about this.  However, would the same thing not happen if you
 were using Photoshop or Paint Shop Pro? Joey On Fri, 07 Jul 2006 11:13:41 +0800, Hector Noriega [EMAIL PROTECTED] wrote:
   Hello,   This might be a common experience (or a well-known fact) among GIMP  users. I just want to say that I just recovered from De Quervain's  disease after an intensive week using GIMP. I'm not familiar with the
  new versions of this software, but mine requires keeping both my thumb  and index finger pressed against the mouse while painting and retouching  pictures. I did this for 4-5 days, 3-4 non-interrupted hours a day. I
  ended up with a strong pain in my wrist due to the inflammed tendons at  the base of my thumb (De Quervain's disease). My right hand was  practically inoperational for 2 1/2 months. A corticosteroid injection
  and a constant routine of ice and medication saved me from a wrist  surgery. I could not believe a mouse could induce such damage to my hand  while using GIMP.   H. Noriega
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