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

[Andre Roberge]

On Mon, Jun 18, 2018 at 1:50 PM Jurgis Pralgauskis <
jurgis.pralgauskis at gmail.com> wrote:

> Ok, I could test it :)
>
>
> Should I wait for some commit and comment results on the issues site or
> how...?
>

​Jurgis: Could you just apply the patch I submitted locally and test it?

Or would anyone else volunteer to test it?  Obviously, I can provide an
independent test of my own contribution. :-)​





>
> --
> 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
>>>>>
>>>>> _______________________________________________
>>>>> Edu-sig mailing list
>>>>> Edu-sig at python.org
>>>>> https://mail.python.org/mailman/listinfo/edu-sig
>>>>>
>>>>>
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>>>
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