Maybe a way to tag where you want the label?  Bottom left, center right, etc?

On Wed, May 20, 2015 at 1:51 PM, Miguel Campusano <mcampusa@dcc.uchile.cl> wrote:
The behavior is still odd. If I change the previous code to 10 visualize ten arcs:

view := RTView new.
shape := RTArc new
    innerRadius: [ :i | i *50];
    externalRadius: [ :i | (i * 50) + 4];

    alphaAngle: 45;
    betaAngle: 135;
    color: Color black.
elems := shape elementsOn: (1 to: 10).
view addAll: elems.

label := RTLabelled new text: #yourself.
label left.
elems @ label.

view

The result is this:

I think this happens because it is trying to put the label at the left-center of the arc (encompassing rectangle?). There is a way to put it at the left bottom?

On Wed, May 20, 2015 at 5:37 PM Alexandre Bergel <alexandre.bergel@me.com> wrote:
The label is put on the left of the encompassing rectangle of the arc.
It is not always what one wants to achieve, as you demonstrated on your example.

Alexandre
-- 
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel  http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

On May 20, 2015, at 4:22 PM, Chris Cunningham <cunningham.cb@gmail.com> wrote:

Looks somewhat odd, still, when you change the angles:

view := RTView new.
shape := RTArc new
    innerRadius: [ :i | i *50];
    externalRadius: [ :i | (i * 50) + 4];
    alphaAngle: 315;
    betaAngle: 45;
    color: Color black.
elems := shape elementsOn: (1 to: 2).
view addAll: elems.

label := RTLabelled new text: #yourself.
label left.
elems @ label.

view

<image.png>
If you use the angles 270 and 90 (in that order), you get:
<image.png>

-cbc


On Wed, May 20, 2015 at 1:26 PM, Alexandre Bergel <alexandre.bergel@me.com> wrote:
Thanks Milton! I was on this issue, but you were faster than me :-)

Good job!
Alexandre
-- 
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel  http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

On May 20, 2015, at 3:18 PM, milton mamani <akevalion@gmail.com> wrote:

Hi

There was a problem in #encompassingRectangle in TRArcShape, try again with the last version of Roassal

<image.png>

Cheers,
Milton


2015-05-20 13:51 GMT-04:00 Miguel Campusano <mcampusa@dcc.uchile.cl>:
Following this, I tried to add labels to the arcs but It is not working as I expected. My code:

view := RTView new.
shape := RTArc new
    innerRadius: [ :i | i *50];
    externalRadius: [ :i | (i * 50) + 4];
    alphaAngle: 45;
    betaAngle: 135;
    color: Color black.
elems := shape elementsOn: (1 to: 2).
view addAll: elems.

label := RTLabelled new text: #yourself.
label left.
elems @ label.

view

and the results is the attached image.<labels.png>

I want the labels to be at the left of the arc line. Maybe I'm doing something wrong? any ideas?

Bests,
Miguel


On Mon, May 18, 2015 at 5:02 PM Miguel Campusano <mcampusa@dcc.uchile.cl> wrote:
I want to add labels first,  after that I'm going to publish a video. :)


On Mon, May 18, 2015 at 4:52 PM Tudor Girba <tudor@tudorgirba.com> wrote:
Nice :)

Could you send a video? :)

Doru

On Mon, May 18, 2015 at 8:56 PM, Miguel Campusano <mcampusa@dcc.uchile.cl> wrote:
Here is the screenshot, it is a visualization from the data captured from a laser scan sensor from a robot.
The visualization shows an object with the red line and a grid to understand quickly the position of the object within the range of the sensor (This case, the object is approximately in the center between 2 to 4 meters from the robot) . The visualization is dynamic, ie: the red line is automatically updated overtime ;)
<laserscan.png>


On Fri, May 15, 2015 at 12:33 PM Alexandre Bergel <alexandre.bergel@me.com> wrote:
Ok, let us know! And send us screenshots :-)

Alexandre
-- 
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel  http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

On May 15, 2015, at 10:56 AM, Miguel Campusano <mcampusa@dcc.uchile.cl> wrote:

Thanks!
Both seem to work fine, I'm going to play a bit before deciding for one :)

On Thu, May 14, 2015 at 5:44 PM Peter Uhnák <i.uhnak@gmail.com> wrote:
You can also use bezier lines or SVG

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| v e1 e2 l s p1 p2 path svg|
v := RTView new.

path := 'M -150 150 Q -75 150 -75 75 Q -75 0 0 0'.
svg := RTSVGPath new borderColor: Color red; path: path; element.
v add: svg.

^ v
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Peter

On Thu, May 14, 2015 at 10:36 PM, milton mamani <akevalion@gmail.com> wrote:
Try with RTArc:

view := RTView new.
shape := RTArc new
innerRadius: [ :i | i *15];
externalRadius: [ :i | (i * 15) + 4];
alphaAngle: 45;
betaAngle: 135;
color: Color black.
view addAll: (shape elementsOn: (1 to: 11) ).

view 

Cheers,
Milton

2015-05-14 16:26 GMT-04:00 Miguel Campusano <mcampusa@dcc.uchile.cl>:
Hi all,
I want to draw curved lines in Roassal but I can't find how to.
The image below is an example of what I am trying to do.


Bests,
Miguel

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