[Cuis-dev] FYI. VectorGraphics freezes World. CuisBook procedure.

Nicola Mingotti nmingotti at gmail.com
Wed Jul 21 02:16:29 PDT 2021

ok Juan, thank you.
ASAP I will try to update and to the test again.


On 7/20/21 10:08 PM, Juan Vuletich via Cuis-dev wrote:
> On 7/18/2021 6:37 AM, Nicola Mingotti via Cuis-dev wrote:
>> Hi guys,
>> I was reading the Cuis Book in the last flight and trying some stuff.
>> I found this ugly situation where following chapter 7 procedure 
>> "going vector"
>> and doing :
>> ----
>> Feature require: 'VectorGraphics'
>> ----
>> Freezes the World. I tried in Mac and Linux. Recently downloaded from 
>> Git.
>> Same behavior.
>> I can't fix it myself, but I let you know there is a problem.
>> I humbly recommend you not to put 'experimental' procedures in the 
>> beginner book.
>> Or to mark them in red and say well to prepare a separate image 
>> before running
>> those lines ... or the beginner will get into troubles ;)
>> I see in another image i have 'VectorGraphics' already loaded,
>> probably it loaded as a dependency when I installed 'StyledText'.
>> So, i deduce the prolbem is on loading 'VectorGraphics' alone.
>> bye
>> Nicola
> Hi Nicola,
> Most likely the problem you found was because when you pull the repo, 
> you get the latest VectorGraphics.pck.st and a bunch of numbered 
> updates. Some of those updates might be needed for the package to run 
> properly, but they are not installed by default. So things could break 
> if updates are not manually loaded before installing Vector Graphics. 
> This is of course not good!
> Today I pushed several updates that:
> - Include new images. All updates up to now are pre loaded.
> - Actually add the update number as a prerequisite to 
> VectorGraphics.pck.st. If you try to load it without the required 
> updates to the base image, it won't load and will give a hopefully 
> useful error message. This will help in the future.
> We don't want people to find broken stuff like that. We try to be 
> careful to avoid it as much as possible, and to fix things quickly 
> when we break them. Thanks for reporting this. It really helps!
> Cheers,
> -- 
> Juan Vuletich
> www.cuis-smalltalk.org
> https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev
> https://github.com/jvuletich
> https://www.linkedin.com/in/juan-vuletich-75611b3
> @JuanVuletich

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