Bugs item #1912943, was opened at 2008-03-12 11:47
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Category: Usability
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: rotation of rectangles doesn't work

Initial Comment:
Hi ,I'm working on Synfig Studio 0.61.08. on Ubuntu.
Rotation works ok for any other shapes except rectangles - i.e. those made by 
the rectangle tool. If i want to make a rectangle and rotate it properly i have 
to use the polygon tool. I think this is a bug. I noticed around some other 
complains about the rotation bug, but for me it concerns only the figures drawn 
with the rectangle tool. The others work fine , even the multi-layer complex 
shapes.

What happens in fact:
 when rotating it does not rotate, instead it changes shape in a very bizzare 
manner :) - i.e. as if it were using the center of the figure as the simetry 
point and reshapeing the figure around that point. And i realy think i'm using 
it right as it works fine for other shapes.


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Comment By: Nobody/Anonymous (nobody)
Date: 2008-03-23 07:58

Message:
Logged In: NO 

k, it works with the rotation layer which is quite easy to use . BUT
.Rotating with the rotation layer is not as good as rotating with th
rotation tool. The image looks jagged when rotated with the rotation layer,
unlike the rotation tool which provides excelent quality. What's the catch?
Aren't they both vectorial operations ? 

To be more specific : i have a figure consisting of multiple layers that
can be rotated in 2 ways:

1) selecting all their points and using the rotation tool which works fine
as i have no rectangle figure among them

2) using the rotation layer

AND: 
1) produces a normal,clear image , while 2) produces a jagged image.


M.M.


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Comment By: Nobody/Anonymous (nobody)
Date: 2008-03-17 08:59

Message:
Logged In: NO 

Thanx for the reply.

k. I see. I will try this . But still : this behaviour is not consistent
everywhere. For instance a a shape drawn with the poly tool or the bline
tool rotates just fine without the help of a rotation layer. So i guess
functionality is provided in different manners for different objects. And
this might be cataloged as  "usability bug". Behavior should be homogenous
i think. I know synfig implements a different approach but nonetheless 
rules should be consistent. The tool should work the same for all objects.
I suspect there is a deep down reason why this works differently but it
should be of no concern to the end user who expects an intuitive behavior.

Don't get me wrong :) i think the project is great and i'm holding my
breath on this. 
 Cheers.
   M.M.


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Comment By: dooglus (dooglus)
Date: 2008-03-12 12:05

Message:
Logged In: YES 
user_id=1546005
Originator: NO

If you use a rotation layer it will work.  "Layer > New Layer > Transform
> Rotate".

I suspect you're using the rotate tool, which just rotates the duck
positions.  The rectangle layer defines rectangles by 2 points: opposite
corners of the rectangle.  The rectangle is always at right angles to its
own layer.  If you want it rotated, you need to rotate the layer, not just
the duck positions.

I don't think this is a bug.  You'll see the same behaviour with the
checkerboard layer - the checks are lined up with the layer.  The layer can
be rotated, which will rotate the checks, but the checks can't be rotated
on their own just by moving the checkerboard layer's ducks.

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