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Cisticola
Legend
Joined: 11/09/2007
Location: United Kingdom
Posts: 1864
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| Posted: 12/26/2007 at 10:28am | IP Logged
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Hi Folks 
Just a very simple tutoral using Gimp to create lighting
from a torch.
Once you have mastered this you should be able to create lighting
from any source you like
Open your map in Gimp.
What you need to do is copy the whole image (Ctrl + C) and then
paste it as a new layer on top of the original (Ctrl + V)
Make sure you set the new floating image as new layer
Now we need to make the top image dark
So adjust the Brightness - Contrast to the desired level
Now for the fun bit
Select the Free Select Tool and set to 100% feather
Now we need to select an area around a wall torch
where the light is going to shine
We then delete this area to create the effect of light
All that is happening is the brighter original image is now
showing through.
This is OK for natural or white light
but we need something that matchs are Wall torch
(I have just realised mines not actually lit but pretend it is)
So, to start create a new layer
And set it to Multiply
Now we use the Blend Tool set on Linear and chose a nice colour (yellow)
Now simply draw a line from the torch to the edge of your selected area
Cool 
Keep doing this for each lightsource.
If you want to create light sources for other things
like fireplaces just create a new layer, pick a diffrent colour (say red) and use the same technique
Hope this was not too complicated...have a go and experiment
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Kepli
Djinni (Admin)
Joined: 01/04/2005
Location: Netherlands
Posts: 16797
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| Posted: 12/26/2007 at 12:24pm | IP Logged
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Very neat
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oistene
Legend
Joined: 09/23/2007
Location: Norway
Posts: 357
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| Posted: 12/27/2007 at 7:37am | IP Logged
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So simple even ma could understand it. 
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Bogie
Djinni (Admin)
Joined: 06/19/2007
Location: United States
Posts: 4801
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| Posted: 12/27/2007 at 8:25am | IP Logged
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Thanks, Will have to fire up PS and give it a try.
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Cisticola
Legend
Joined: 11/09/2007
Location: United Kingdom
Posts: 1864
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| Posted: 12/27/2007 at 8:36am | IP Logged
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Bogie
Here is a tutorial by Tintagel using PS
Click Me
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heruca
Janni (Moderator)
Joined: 09/28/2005
Location: Argentina
Posts: 6328
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| Posted: 01/08/2008 at 9:54am | IP Logged
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Great tutorial. 
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monocules
Henchman
Joined: 07/16/2007
Location: United States
Posts: 7
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| Posted: 11/16/2008 at 10:57pm | IP Logged
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When ever I follow the steps, Gimp trips me up.
After selecting "free select tool", Gimp will not leave "move" mode.
So I can not "select" anything, Gimp just wants to move the floating layer on any mouse down.
None of the selection tools work.
Any suggestions out there? Clearly, I am not a gimp expert.
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Cisticola
Legend
Joined: 11/09/2007
Location: United Kingdom
Posts: 1864
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| Posted: 11/17/2008 at 5:40am | IP Logged
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I have this problem now & again....although I just close
Gimp and reopen again, which clears the problem....
It could be a corrupted file.....save the file as another
name....close Gimp and reopen your file....might work.
Another thing....check you have selected the correct
layer.....if its been recently pasted into the image...
make sure you have made it a new layer....right click,
select new layer....Gimp hates floating layers.
I think it is the latter, I copied and pasted the image,
when you select lasso you cannot do anything but move it.
You need to do this:
Hope that helps
Happy mapping
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monocules
Henchman
Joined: 07/16/2007
Location: United States
Posts: 7
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| Posted: 11/17/2008 at 7:39pm | IP Logged
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Thank you for the reply.
Once one has the hang of this, it is super fast, easy and adds amazing depth. Thank you
Your suggestion is essentially the same thing I found to work. After pasting in the new layer, I had to click on the little " new layer" icon at the bottom left of the "Layers" dialog box
before
after
Happy Mapping? You keep using that word but I am not sure that means what you think it means. I make maps, but my maps don't look anything like the fantastic artwork you have posted. Therefore, so I have to question if you make maps! 
-Mono
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WayneFrancis
Janni (Moderator)
Joined: 08/31/2006
Location: Australia
Posts: 962
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| Posted: 11/18/2008 at 10:57pm | IP Logged
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great tutorial. Thanks for your effort.
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Dundjinni Mapping Software - Forums : Questions
Topic: Lighting Effects in Gimp
