Hi Hernán,

The attached capture is the one implemented by the method #exampledoubleCurves.

If you zoom the image you will notice the grey edge of each green and blue line. The same happens in #exampleVerticalAndHorizontalLines

Is there a way to remove it the grey around each line?

The grey outline are actually the dots.

You need to write “ds noDot” before calling “points:”

Here is an example:

| b ds |
b := RTGrapher new.

b extent: 300 @ 200.

ds := RTData new.
ds noDot.
ds points: (-50 to: 100 by: 0.1).
ds y: [ :x | (0.1 * x) sin  ].
ds noDot.
ds interaction popupText: 'sinus'.
ds connectColor: Color blue.
b add: ds.

ds := RTData new.
ds noDot.
ds points: (-50 to: 100 by: 0.1).
ds y: [ :x | (0.1 * x) cos  ].
ds noDot.
ds interaction popupText: 'cosinus'.
ds connectColor: Color red.
b add: ds.

b addDecorator: RTHorizontalTickLineDecorator new.
b addDecorator: RTVerticalTickLineDecorator new.

^ b

Which produces:

I have updated these example. Indeed, there is no good reason of having the dots.

Alexandre

Cheers,

Hernán

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Alexandre Bergel  http://www.bergel.eu
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