[Gimp-user] Am I stupid!? Changing color does not work

2006-06-14 Thread Norbert Preining
Hi all!

I have an image and I want to change all colors into a different one. So
what did I do: 
* Select region by color
* switch to pencil tool
opacity 100
mode normal
circle big
color the new I want
  and then I thought I can draw and the colors would be exchanged.

Well, instead of a nice blue I get a smeary grey, strange. Looks like
instead of *replacing* the values of the pixels some combination of the
pixel values is done.

I thought with opacity 100 this will not happen, but I seem to be wrong.
Any idea/help???

Best wishes

Norbert

---
Dr. Norbert Preining preining AT logic DOT at Università di Siena
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---
ABOYNE (vb.)
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Re: [Gimp-user] Am I stupid!? Changing color does not work

2006-06-14 Thread Carol Spears
On Thu, Jun 15, 2006 at 02:13:34AM +0200, Norbert Preining wrote:
 Hi all!
 
 I have an image and I want to change all colors into a different one. So
 what did I do: 
 * Select region by color
 * switch to pencil tool
   opacity 100
   mode normal
   circle big
   color the new I want
   and then I thought I can draw and the colors would be exchanged.
 
 Well, instead of a nice blue I get a smeary grey, strange. Looks like
 instead of *replacing* the values of the pixels some combination of the
 pixel values is done.
 
 I thought with opacity 100 this will not happen, but I seem to be wrong.
 Any idea/help???
 
i think you are probably painting an indexed image.

change the mode to rgb using Image/Mode/RGB

you are not stupid.  your image is.

carol


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Re: [Gimp-user] Am I stupid!? Changing color does not work

2006-06-14 Thread saulgoode
If you are indeed editing an Indexed image, you may wish to leave it  
in Indexed Mode and open the Dialogs-Color Map window. This will  
allow you to individually change each of the colors in the image. This  
will be tedious if you have more than a couple dozen colors but if you  
have only a few (for example, a cartoon graphic), this is a quick and  
easy way to change the colors.



Quoting Carol Spears [EMAIL PROTECTED]:


On Thu, Jun 15, 2006 at 02:13:34AM +0200, Norbert Preining wrote:

Hi all!

I have an image and I want to change all colors into a different one. So
what did I do:
* Select region by color
* switch to pencil tool
opacity 100
mode normal
circle big
color the new I want
  and then I thought I can draw and the colors would be exchanged.

Well, instead of a nice blue I get a smeary grey, strange. Looks like
instead of *replacing* the values of the pixels some combination of the
pixel values is done.

I thought with opacity 100 this will not happen, but I seem to be wrong.
Any idea/help???


i think you are probably painting an indexed image.

change the mode to rgb using Image/Mode/RGB

you are not stupid.  your image is.

carol


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