Problem with Tiles CLones and Trace

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moira

Problem with Tiles CLones and Trace

Postby moira » Sun May 30, 2010 11:13 pm

Hello folks,

I'm using inkscape 0.47 and as the title suggests I'm having problems with Tiled Clones and Trace. I've tried to follow this tutorial http://verysimpledesigns.com/vectors/in ... paper.html, using their testfiles (shape of australia), step-by-step and doublechecked every little step, but the result is always the same and odd.
Let me explain: Normaly I should have a shape of australia existing of many little stars. Well, all I get is a very rough shape (filled withthese stars) plus many stars in different sizes outside the real shape and out of place.
Same if I follow this halftone tutorial (basically the same thing) as described here: http://istarlome.deviantart.com/art/hal ... e-85648573
Is there a known problems with tiled clones + trace method in 0.47 or does anyone have an idea what I might be doing wrong?

thanks in advance
moira

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tomh
Posts: 218
Joined: Sat Feb 14, 2009 10:14 pm

Postby tomh » Mon May 31, 2010 11:37 pm

Under the tiled clones dialogue, select "pick from the drawing: Opacity." instead of colour.

That is the simplest way around the problem.


Alternatively, place a white rectangle behind the image to be traced.

The reason why the problem happens, is that Inkscape follows the numeric coulor as calculated by: the (black value, from CYMK)*(opacity) so solid black = 0*1 and solid white = 1*1 BUT transparent half gray =.5*0,so black and transparent areas have the same "numeric colour"

moira

Re: Problem with Tiles CLones and Trace

Postby moira » Tue Jun 01, 2010 2:19 am

Thanks tomh,

I already had a white rectangle behind the traced object (plus I grouped the rectangle with that object before).

I tried a bit with different options and the best so far is:

[x] Trace the drawing under the tiles

1. Pick from Drawing
[x] Color

2. Tweak the picked value
default values (0,0 & 0,0%)

3. Apply the values to the clones
[x] Opacity

Unfortunately the clones now have all the same size with decreased opacity on the borders of the traced objects (which is not the biggest problem as I can change the opacity easily). So, besides the missing size variation of the clones I can live with the results for now.

Thanks

moira

Re: Problem with Tiles CLones and Trace

Postby moira » Tue Jun 01, 2010 2:37 am

Found a real solution as described in this bugreport:
https://bugs.launchpad.net/inkscape/+bug/469885

So all I had to do was:
1. Follow the steps in the tutorial (from my first post)
2. After Tracing the object, create a new layer and move the original "Clone" to that layer and the created "clones" magically move on their correct places and all is fine!

:D


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