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PostPosted: Sat Apr 16, 2011 6:45 pm 
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Location: Sol Kitts
Nice one ZZ, I'm missing the trails :(

Today I extrapolated this



Image

from this

Image


I ran it through a vector conversion doodah but never saved it. Whadya think? I have an idea that if I can split the image I can adjust the perspective of the tube and then paste it back together? Would this work?


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PostPosted: Sat Apr 16, 2011 6:47 pm 
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I also took some shots of the other decals, the only problematic one being the seat tube one.


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PostPosted: Sat Apr 16, 2011 6:56 pm 
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Sorry for the thread hoggin, ZZ/TK what would you do with this?

Image


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PostPosted: Sat Apr 16, 2011 7:00 pm 
Gold Trader / MacRetro rider
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Location: Falkirk! But I am a Fifer so that's OK...
Aye that's pretty much what I did... One thing, before converting to vector, I'd stretch the image a wee bit vertically in something like Paint.Net to 'unroll' it. TK's probably able to do that bit properly, invoking PI and r-squared or something, but I'd just do it by eye, print it off and fit up to the frame till you get it right.

I used Inkscape to do the vector conversion, don't know what you're using but I like it, it gives pretty good results.

CTRL-A to select the image, then Path -> Trace Bitmap. In the Options, select 'Colors' under Multiple Scans, increase Scans from 8 (20 works for me) and under Options tab, make sure smooth corners is selected and set threshold to max (1.34 I think). Once it's run, it creates the vector version of your image, and places it on top of your original image. Drag it out the way, and delete the original image and save as a vector.

Let me know if you want a hand with it, not a problem.


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PostPosted: Sat Apr 16, 2011 7:02 pm 
Gold Trader / MacRetro rider
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Location: Falkirk! But I am a Fifer so that's OK...
If the decals too big, get a couple of pics, top and bottom so they can be pasted together?

You can downlaod Microsoft ICE and it'll do a pretty good job of figuring out how to paste it together, or if that fails, can do it by hand in Paint.Net.


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PostPosted: Sat Apr 16, 2011 8:05 pm 
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I must be part of the old school, I trace stuff by hand, more accurate and cleaner but takes longer.

Measure the height of a few letters to get an accurate height for a word. You need so many letters that you are as well creating the font for future use.


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PostPosted: Sat Apr 16, 2011 9:54 pm 
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Any difference?

Image
Image


(top)this is it after it has been halved and using the lens correction in photpshop adjusted, then converted to a vector.


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 Post subject:
PostPosted: Sat Apr 16, 2011 10:00 pm 
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Has the top image been stretched a bit? :?


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PostPosted: Sat Apr 16, 2011 10:25 pm 
P.o.T.M. Winner / MacRetro Rider
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Location: In the foothills of the foothills of The Cairngorm Massif :D
Don't know why but the lower one "looks" better :D

Top one makes me dizzy.........................


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PostPosted: Sun Apr 17, 2011 11:16 am 
Gold Trader / MacRetro rider
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Location: Falkirk! But I am a Fifer so that's OK...
I think the lens correction has stretched the top image horizontally from the center of the image?

Below is the difference between the two images:

Image

The red highlights the difference between the two, there is more red as you move out from the center to the left and right, but not so much in the vertical, which I think is what you really want?


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