3 Jul
2014
3 Jul
'14
11:29 p.m.
I like the fact that we are caring more and more about what may look like as details. But this easily sum up and are really important.
Alexandre
--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
On Jul 3, 2014, at 4:13 PM, Tudor Girba tudor@tudorgirba.com wrote:
> Beautiful!
>
> Doru
>
>
> On Thu, Jul 3, 2014 at 8:27 PM, Alexandre Bergel alexandre.bergel@me.com wrote:
> Hi!
>
> Daniel has worked on additional circle layouts, which are now included in Roassal.
> We now have RTEquidistantCircleLayout and RTWeightedCircleLayout in addition to RTCircleLayout and RTCenteredCircleLayout
>
> Consider this small script:
> =-=-==-=-==-=-==-=-=
> | view aux |
> view := RTView new.
> aux := RTEllipse new.
> aux color: Color red.
> 1 to: 20 do: [ :i |
> aux sizeElement: i*4+5.
> view add: (aux elementOn: i) ].
> RTCircleLayout
> new
> initialRadius: 150;
> on: view elements.
> view open
> =-=-==-=-==-=-==-=-=
> It produces the output:
> <Screen Shot 2014-07-03 at 2.14.59 PM.png>
>
> There are two recurrent problems with this rendering:
> - circles are not centered
> - circles overlaps and this overlap can be avoided since there is spaces between the small circles. The layout does not consider the size of the elements
>
> RTEquidistantCircleLayout and RTWeightedCircleLayout address these problems.
>
> In the script above, replacing RTCircleLayout by RTWeightedCircleLayout produces the following:
> <Screen Shot 2014-07-03 at 2.17.20 PM.png>
>
> The space is allocated to each element according to its size.
>
> A variation of this situation may be seen with the following:
> =-=-==-=-==-=-==-=-=
> | view aux |
> view := RTView new.
> aux := RTEllipse new.
> aux color: Color red.
> 1 to: 10 do: [ :i |
> aux sizeElement: i*10+5.
> view add: (aux elementOn: i) ].
> RTWeightedCircleLayout
> new
> initialRadius: 150;
> on: view elements.
> view open
> =-=-==-=-==-=-==-=-=
>
> The script produces
> <Screen Shot 2014-07-03 at 2.20.07 PM.png>
>
> It may happens however that you want always the same space between the elements. You should therefore use RTEquidistantCircleLayout as in:
> =-=-==-=-==-=-==-=-=
> | view aux |
> view := RTView new.
> aux := RTEllipse new.
> aux color: Color red.
> 1 to: 10 do: [ :i |
> aux sizeElement: i*10+5.
> view add: (aux elementOn: i) ].
> RTEquidistantCircleLayout
> new
> initialRadius: 150;
> on: view elements.
> view open
> =-=-==-=-==-=-==-=-=
>
> It produces the following:
> <Screen Shot 2014-07-03 at 2.20.18 PM.png>
>
> The work of Daniel may be found in Roassal2.
> Thanks Daniel!
>
> Cheers,
> Alexandre
> --
> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
> Alexandre Bergel http://www.bergel.eu
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>
>
>
>
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>
> --
> www.tudorgirba.com
>
> "Every thing has its own flow"
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