Making a line image sketchy

WU
Posted By
will_usher
Mar 15, 2009
Views
690
Replies
9
Status
Closed
Hi,

I can render out from my 3d software as line/contours such as in this link;

<http://img208.imageshack.us/img208/681/3dword.png>

But I want the render to look sketchy such as the renders produced from SketchUp;

< http://i106.photobucket.com/albums/m257/beyondblog/sketchup- office.jpg>

I have tried the filters currently in Photoshop but not happy with the result. Could anyone suggest a plugin?

Many thanks!
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BC
Bart_Cross
Mar 15, 2009
part of the problem is that the first image does not contain any grays, this would be helpful in getting the effect that you want in PS.
WU
will_usher
Mar 15, 2009
So what if the line was grey? Would that help?
BC
Bart_Cross
Mar 15, 2009
I don’t think that making the image one colour grey would help. There are various greys in the second image that would contribute to the ‘sketchiness’.
DS
Dennis_S
Mar 15, 2009
The first problem, will, is that you are trying to generate new 3D information from what is essentially a 2D image. The text is in perspective but since you are bringing it into PS as an 2D image, there is no way for PS to recognize the 3D-ness of the image.

The second problem is that PS, unless you have the Extended version, is essentially a 2D image editor.

Given those two problems, here are some ideas:

– Do everything in a 3D program. You mentioned Sketchup and it has a free version so that could be an option.

– Fake it in Photoshop. This could range from the pretty easy:

< http://www.creativepro.com/article/photoshop-how-to-editing- a-drop-shadow>

…. to the more sophisticated:

<http://revision3.com/pixelperfect/3dtext/>
WU
will_usher
Mar 15, 2009
Thanks but I don’t want to create 3d text! I’ve been creating all kinds of 3D text for the last 10 years. Ignore the 3d text part, the image was just an example.

I want to make the clean contour lines of the image more ‘sketchy’ a 2d program.
DS
Dennis_S
Mar 15, 2009
Have you tried the Cutout filter in the Artistic filer group? That should help roughing up the lines a bit if that is what you mean by "sketchy". Combining in some Paint Daubs filter might also help.
K
KatWoman
Mar 15, 2009
turn it to a path and stroke it with a textured brush?
WU
will_usher
Mar 15, 2009
Hi thanks. How do I turn it to a path? That’s a jpg.
K
KatWoman
Mar 16, 2009
How do I turn it to a path?
select the black with select color range\
change selection to a path (bottom of path palette)
stroke path

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