Drag to Delete -- bad advice?

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Re: Drag to Delete -- bad advice?

Postby kentsmith9 » Fri May 08, 2015 10:34 pm

I have not tested this, but part of the original purpose of the drag to delete was to have the address data on the segment to be deleted get migrated to the new segment. Do we know that does not work, or is there a better process to move house numbers?
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Re: Drag to Delete -- bad advice?

Postby kentsmith9 » Mon May 11, 2015 6:04 pm

I think since we have confirmation there is data loss of house numbers that we clarify that problem and show editors NOT to use that practice. As was mentioned earlier it is important to keep a list of problem operations and say why not to use them. Otherwise people stumble onto these things and use them (until we can get WME to remove the ability, which I think is unlikely).
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Re: Drag to Delete -- bad advice?

Postby PesachZ » Thu May 07, 2015 2:23 pm

I would not remove the info entirely, I would the remove suggestion to use it. And perhaps add a statement not to use this method. Otherwise if it is removed entirely, some editor will figure it out, and having not seen it before, think it is a novel idea and start using it.

Also in a situation where there is no way to eventually preserve the data for that segment/junctions regardless, perhaps inside a complex intersection, it doesn't hurt to use this easier method.

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Re: Drag to Delete -- bad advice?

Postby PesachZ » Mon May 11, 2015 6:09 pm

I agree, don't suggest using it, instead state the province if the operation and why it is not recommended (HN, speed, turn data, loss)

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Re: Drag to Delete -- bad advice?

Postby tonestertm » Sun May 10, 2015 10:29 pm

A quick experiment just empirically confirmed (to me) that House Numbers are not preserved when dragging one junction to another. In and of itself, I don't find this to be a reason to ban the practice -- there are many times we need to pay extra attention to such things-- but it would reduce the likelihood of losing data, when performed by an uncareful editor.

One thing to consider, voludu, is that, in some cases where a drag is performed, it is not for the purpose of simply removing an extra junction. Sometimes it is for joining offset streets on either side of another. In this case, simply deleting a junction is not an option, and the thought process about data loss needs to go deeper.
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Drag to Delete -- bad advice?

Postby voludu2 » Thu May 07, 2015 2:13 pm

"Drag to Delete" pops up in a couple of places.
https://wiki.waze.com/wiki/Creating_and ... g_together
https://wiki.waze.com/wiki/Interface_gu ... g_segments

(and was recently removed from the quick-start guide)

I think this is particularly bad advice for the following reason:
1) You are losing all relevant traffic data, including cross-speeds and transition times.
2) If the segment is just plain bad, and you need to lose the cross-speeds and transition times, it is easier just to delete the segment. It is certainly easier to teach the CONCEPT of just deleting the segment.

I would like to remove it entirely from these two guides.
I have inserted warning messages. You may remove these easily by clicking the history tab and then the "undo" link.

I might even consider requesting an enhancement to WME to remove this feature.
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Re: Drag to Delete -- bad advice?

Postby voludu2 » Sat May 09, 2015 1:04 am

I did not know that it would preserve house numbers

Given that deleting the junction between two segments will preserve the house numbers while also preserving traffic data, is there any reason to recommend the "drag to delete" technique to new editors on equal footing with "delete junction" and "bridge"?

Perhaps I would suggest instead including a warning somewhere that "drag to delete" could happen by mistake. And I would even consider requesting the Waze team to remove this feature from WME.
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Re: Drag to Delete -- bad advice?

Postby voludu2 » Mon May 11, 2015 3:10 pm

Tonester -- I agree. dragging one junction on top of the other to reconnect 2 disconnected roads, or to turn two disconnected "L" intersections into a single 4-way intersection is a valuable skill, and should be recommended. I will add it to my growing list of more things to bring up in the wiki changes forums.

At the moment, I would like to dispose of this issue, one way or the other.
Is there any objection to removing, from the specific sections of the specific pages linked above, under recommendations for how to get rid of unecessary junctions, the advice to delete a segment by dragging one junction node to the other junction node?
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Re: Drag to Delete -- bad advice?

Postby voludu2 » Mon May 11, 2015 7:27 pm

OK. Then I will

1) begin by removing the bad advice from the sections on how to delete a junction. I will not mention it in these sections at all, even to discourage it.

2) Instead, I will start a discussion on adding the warning to the sections on dragging junctions, as in "create road", for example.
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Re: Drag to Delete -- bad advice?

Postby voludu2 » Mon May 11, 2015 7:37 pm

I made the 2 changes I suggested above.

tonester -- I also added the information you wanted added, along with the warning about not doing it if there is a segment between.

https://wiki.waze.com/wiki/Creating_and ... r_junction
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