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Basic drawing

Feb 9, 2014, 22:48
Post: #1
Basic drawing
I read the tutorial for drawing basic shapes, and it worked fine on a new unused image. Unfortunately I am trying to draw on top of another image I opened in GImp (.jpg) and no matter which brush or texture I click on it will not allow me to draw anything. The brush shows up and the shape shows up on the screen but it will not let me draw anything. Please help. I can place other images just fine, but I need to draw on it. What I am trying to do is re-create a map that has real poor resolution with better resolution.

Also, for some reason once I select a brush I can't change it to another brush. Why is this?

Bruce
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Feb 9, 2014, 23:12 (This post was last modified: Feb 9, 2014 23:15 by Madmax.)
Post: #2
RE: Basic drawing
Ok I was able to figure out that I have to create a new image to create a basic shape, nowI have to figure out how to import it into my original image. If I tried creating a basic circle in the map I am attempting to recreate it would cut the area of the image out like a cut tool.
Now I need to know how to texture fill the circle I created, or fill any shape I create with a pattern or a brush.

My goal here is to create a circular platform with a marble texture I have all the textures I need for now but I am not sure how to use them.
I tried a fill with pattern but the pattern comes out real tiny and does not look good.
Bruce
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Feb 9, 2014, 23:55 (This post was last modified: Feb 10, 2014 00:01 by ofnuts.)
Post: #3
RE: Basic drawing
No, you shouldn't have to start a new image to create a basic shape. When things don't work, see this checklist: http://gimpforums.com/thread-when-sudden...rk-anymore

The pattern isn't resized when used, so the same pattern looks big in a 100x100 picture and small in a 1000x1000 one.

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Feb 10, 2014, 01:49
Post: #4
RE: Basic drawing
Thanks, Apparently I didn't have the correct layer selected. I am still having problems with the pattern fill. How do I resize a pattern so it looks better when I use it to fill a large object?

Bruce
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Feb 10, 2014, 03:32 (This post was last modified: Feb 10, 2014 03:33 by fluffybunny2.)
Post: #5
RE: Basic drawing
(Feb 10, 2014 01:49)Madmax Wrote:  Thanks, Apparently I didn't have the correct layer selected. I am still having problems with the pattern fill. How do I resize a pattern so it looks better when I use it to fill a large object?

Bruce
Hi Madmax,
I use this script to scale patterns.
You just right click on the pattern in the Patterns dialog, and choose Scale Pattern.
It then creates a scaled version of the pattern in the clipboard ready to use.
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Feb 10, 2014, 06:00
Post: #6
RE: Basic drawing
Thanks Fluffybunny2, that will help in the future.
Gimp has a very steep learning curve compared to many other graphic programs, but it is free. Which puts it on top. The friend of mine who turned me onto Gimp explained that I had to use a specific Marble texture (marble1) for the scale I wanted to use it at, and it works. But I am having another problem. I learned how to copy and paste a circle or other basic drawing object, I also learned how to create a shadow. But I am now having problems with creating and then manipulating multiple basic drawing objects (circles and squares and what not) in Gimp. It seems that whenever I add another basic drawing object to Gimp it merges the first one with my original image. I even created a transparent layer so it wouldn't do that, but it still does. Is it possible to create multiple basic drawing objects, each with their own shadows and manipulate them at different times without having them merge with the parent layer? I also have a temporary copy of Adobe Illustrater CS6 (borrowed from a friend) and I can manipulate that much better than Gimp, but I can't figure out how to import the textures I have (.png extensions) for use in CS6 which uses .psd extensions for their textures. I have to eventually give Illustrator back so I'd like to learn how to use Gimp, though this project of mine has a deadline and it is approaching fast.

Bruce
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Feb 10, 2014, 06:25
Post: #7
RE: Basic drawing
(Feb 10, 2014 06:00)Madmax Wrote:  Thanks Fluffybunny2, that will help in the future.
Gimp has a very steep learning curve compared to many other graphic programs, but it is free. Which puts it on top. The friend of mine who turned me onto Gimp explained that I had to use a specific Marble texture (marble1) for the scale I wanted to use it at, and it works. But I am having another problem. I learned how to copy and paste a circle or other basic drawing object, I also learned how to create a shadow. But I am now having problems with creating and then manipulating multiple basic drawing objects (circles and squares and what not) in Gimp. It seems that whenever I add another basic drawing object to Gimp it merges the first one with my original image. I even created a transparent layer so it wouldn't do that, but it still does. Is it possible to create multiple basic drawing objects, each with their own shadows and manipulate them at different times without having them merge with the parent layer? I also have a temporary copy of Adobe Illustrater CS6 (borrowed from a friend) and I can manipulate that much better than Gimp, but I can't figure out how to import the textures I have (.png extensions) for use in CS6 which uses .psd extensions for their textures. I have to eventually give Illustrator back so I'd like to learn how to use Gimp, though this project of mine has a deadline and it is approaching fast.

Bruce
Keep each object/shadow on it's own new layer. That will give you the most flexibility to manipulate them independently of each other. Make sure you have the Layers dialog open in your User Interface. Select the layer you want to perform an action on before executing that action.
Don't have any Adobe Illustrater CS6 experience, but I believe you should be able to open .png files ok in Adobe Illustrater CS6 and save them as patterns(textures)... maybe someone else with more knowledge will chime in with a more definitive response. Sad
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Feb 10, 2014, 08:05
Post: #8
RE: Basic drawing
(Feb 10, 2014 06:00)Madmax Wrote:  It seems that whenever I add another basic drawing object to Gimp it merges the first one with my original image.

It depends how you add objects... Normally each object can go on its own layer and be moved at will. I you are using the path editor just add a new layer before stroking your path.

Since you keep referring to Illustrator and shapes, you could be doing things that are better done with vector graphics. Gimp's vector graphics brother is Inkscape which has a dedicated support forum.

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Feb 10, 2014, 18:25
Post: #9
RE: Basic drawing
(Feb 10, 2014 08:05)ofnuts Wrote:  
(Feb 10, 2014 06:00)Madmax Wrote:  It seems that whenever I add another basic drawing object to Gimp it merges the first one with my original image.

It depends how you add objects... Normally each object can go on its own layer and be moved at will. I you are using the path editor just add a new layer before stroking your path.

Since you keep referring to Illustrator and shapes, you could be doing things that are better done with vector graphics. Gimp's vector graphics brother is Inkscape which has a dedicated support forum.
Path editor, not sure what that is but I will look into it. That may be my issue, but this thing with layers and being able to manipulate each layer at different times is my only and largest hurdle right now. Is there a tutorial on working with layers and manipulating each item, like adding shadows and such effects as time goes on. Then moving the shape around?
I've tried Inkscape before and it seemed a lot more complex than Gimp and more centered on 3D imaging than anything else. Is Inkscape better than Gimp for creating or re-creating maps? I have seen a lot of stuff for map making that reference Gimp, but nothing for Inkscape.

Bruce
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Feb 10, 2014, 22:01
Post: #10
RE: Basic drawing
The basic principle is one object/layer, where a layer is transparent outside the object (and usually just big enough to hold the object). Think of your layers as a stack of presentation slides or sheets of tracing paper.

Vector graphics (Inkscape) and bitmap graphics (Gimp) are rather different animals. With bitmap you paint, with vectors you give painting instructions to a machine. When you are likely to change scale, vector is better because you just use a multiplication factor before the final rendering.

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