[Edu-sig] turtle coordinates: Y increase downards - as in most graphics API?

[Jurgis Pralgauskis]

Ok, I could test it :)


Should I wait for some commit and comment results on the issues site or
how...?

--
Jurgis Pralgauskis
tel: 8-616 77613

2018-06-18, pr 19:32, Carol Willing <willingc at willingconsulting.com> rašė:

> Dear Andre,
>
> Thank you.
>
> The issue is reopened. If others would like to test your recommended fix
> still applies cleanly, I will be happy to review it.
>
> Warmly,
>
> Carol
>
> On Jun 18, 2018, at 9:18 AM, Andre Roberge <andre.roberge at gmail.com>
> wrote:
>
> Dear Carol,
>
> I apologize for letting my frustration show in this way, in a public forum.
>
> André
>
> On Mon, Jun 18, 2018 at 1:01 PM Carol Willing <
> willingc at willingconsulting.com> wrote:
>
>> Hi Andre,
>>
>> I'm sorry that you did not like my response when I was triaging all of
>> the open Turtle issues.
>>
>> I am happy to change the status back to open. All that you needed to do
>> was ask politely and give me a chance, as a volunteer, to have the time to
>> do so.
>>
>> Regards,
>>
>> Carol
>>
>> On Jun 17, 2018, at 1:41 PM, Andre Roberge <andre.roberge at gmail.com>
>> wrote:
>>
>> So, a little over 3 years after I submitted a bug report (see previous
>> conversation below) **with a fix** so that no one would have to explain why
>> "right()" could result in a turtle turning left, and vice-versa, my
>> submission was refused and the bug report was closed with the following
>> explanation:
>>
>> "
>>
>> I'm closing this issue since introducing this suggested change would impact teaching materials and resources that have already been published. This would be a change that would break compatibility.
>>
>> "
>>
>> I'm curious: does anyone on the edu-sig list has written teaching material for the turtle module that sets world coordinates such that left and right are reversed? If so, how do you explain it to students?
>>
>>
>> Rant: This is the third time that I submit either a bug report for cPython **with** a proposed fix, or simply a fix for an existing bug report and that it is either rejected or dismissed with no alternative solution proposed.  Thankfully, the folks here on edu-sig have been much more supportive since I joined, almost 15 years ago. /rant
>>
>>
>> André
>>
>>
>> On Fri, Mar 13, 2015 at 12:48 PM Andre Roberge <andre.roberge at gmail.com>
>> wrote:
>>
>>>
>>>
>>> On Fri, Mar 13, 2015 at 8:52 AM, Jurgis Pralgauskis <
>>> jurgis.pralgauskis at gmail.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> usually in computer graphics Y is counted to increase downwards.
>>>> I casn do it with:     setworldcoordinates(0, 400, 600, 0)
>>>>
>>>> but then, "right(..)" turns to the left :/
>>>>
>>>>
>>>> I could swap:
>>>> right, left = left, right
>>>>
>>>> but on errror I get a bit misleading message
>>>>
>>>> >>> right()
>>>> Traceback (most recent call last):
>>>>   File "<pyshell#10>", line 1, in <module>
>>>>     right()
>>>> TypeError: left() takes exactly 1 argument (0 given)
>>>>
>>>> I thought to make this hack for kids, so better clearer error msgs...
>>>>
>>>
>>>> Any Ideas?
>>>>
>>>
>>> http://bugs.python.org/issue23660  (includes a proposed "permanent"
>>> fix).
>>>
>>> André
>>>
>>>
>>>
>>>> Thanks :)
>>>> --
>>>> Jurgis Pralgauskis
>>>> tel: 8-616 77613;
>>>> Don't worry, be happy and make things better ;)
>>>> http://galvosukykla.lt
>>>>
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>>>>
>>>>
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>>
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