[Newbies] How to draw a single pixel with permanence?

[Lawson English]

Bert Freudenberg wrote:
> On 29.04.2010, at 13:15, Lawson English wrote:
>   
>> I'm trying to go back to beginnings with my own ManelBrot morph because I can quite grok how the one I have works.
>>
>> Mostly because I still dont grok morphs.
>>
>> Example: I'm trying to plot points on a morph using the drawOn message below:
>>     
>
> Paint into a Form. Draw the form in #drawOn:.
>
>
>   

I'm sorry, I don't understand.

Isn't this "painting" into a Form?

aCanvas  form  colorAt: 30 at 30 put: Color black.



My problem is that the pixel doesn't stay set.


Lawson