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Thread: [Award Winner] Making Photo-realistic Trees in GIMP: A Mini-Tut

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  1. #1

    Default Update: A Few Important Details

    Thanks Rob! By the way, I just tested out this min-tutorial on a portion of my old Eriond map. Here are a few things that are not mentioned in the tutorial, but that I think would be helpful to point out:


    • Forest placement: When I wrote this tutorial, I was not using another map on which to place the forest shapes for these trees, hence, it did not matter where the forests went. However, I assume that anyone using this tutorial will probably already have a map laid out, and will want to be able to view that map when they draw their forest shapes (see Step 1.4.C.). To do be able to view your map as you work, I suggest placing the new layers of this tutorial below your map layers, and setting the layer opacity of your map layers at 60%. That way you will be able to see through your map to the tree layers you are working with below, but also be able to use your map as a guide for placing your forests. Once you have completed all of the trees layers, simply raise these layers to above your map layers, and than restore the opacity of you map layers back to 100%.

    • Adding shadows: (Step 2.4.A.) If you do not have the "Layers Effects" plug-in installed within GIMP, you can find it at the GIMP plug-ins registry located at this link. You will need to register (for free) to be able to download this plug-in. Also, for the example below, I increased the size of the drop shadow to 5, the offset distance to 3, and decreased the layer opacity to 50%. For those of you who do not want to deal with downloading the layer effects plug-in (though you owe it to yourself to do so, it rocks!), GIMP 2.6 comes with a Drop Shadow feature (Filter > Light and Shadow > Drop Shadow). However I have not found it to be as easy to use as the Drop Shadow feature of the Layer Effects plug-in.

    • Forest Colors: (Step 3) Due to the green background of my map, I found that I had to add extra layers of color to make the trees stand out. In the example below, I duplicated both the Green and the Yellow Color layers (Step 3.1-2), and I set the layer mode of the Green Color duplicate to Multiply rather than Soft Light. Depending on which colors you have used for your map, and for these trees, you may find that you have to do something similar.

    With that said, below I have included an example of how the forests of this tutorial might look when applied to an actual map.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by arsheesh; 05-08-2010 at 03:44 PM.

  2. #2
    Guild Journeyer hohum's Avatar
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    Looks Good. You deserve more rep.

  3. #3

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    Quote Originally Posted by arsheesh View Post
    Regarding adding shadows (Step 2.4.A.), if you do not have the "Layers Effects" plug-in installed within GIMP, you can find it at the GIMP plug-ins registry located at this link. You will need to register (for free) to be able to download this plug-in. Also, for the example below, I increased the size of the drop shadow to 5, the offset distance to 3, and decreased the layer opacity to 50%. For those of you who do not want to deal with downloading the layer effects plug-in (though you owe it to yourself to do so, it rocks!), GIMP 2.6 comes with a Drop Shadow feature (Filter > Light and Shadow > Drop Shadow). However I have not found it to be as easy to use as the Drop Shadow feature of the Layer Effects plug-in.
    One can always go old school to make a drop shadow...

    *duplicate the layer
    *lock the transparency
    *fill with black
    *unlock the transparency
    *gaussian blur
    *move the layer to offset

    -Rob A>

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