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On point layers, I was always thinking of points being composed of a
single node. On multi point layers, I was thinking of each part
being composed of a single node, so I wasn't thinking of "either a
node or a point" but both. With this concept in mind, the whole set
of available tools works fine and predictable for me.
<p>Moving parts is supported now via the node tool by selecting all
nodes of a part. It's also possible to delete a part on a
multiline/multipolygon layer with the node tool. So also with
respect to this it doesn't do anything special for point layers.<br>
</p>
<p>I can see, that it may lead to confusion sometimes as described
in the original email here. I am not able to say how often this
happens in comparison to how often the node tool is used
consciously.</p>
<p>The node tool even gives a hint on the message bar, that "the
geometry has been cleared, please use the add part tool to set the
geometry for this feature". So it's trying to not be too obscure.
Maybe the whole confusion can be ironed out by polishing this text
a bit?</p>
<p>Considering the separate tool for moving parts of
multi-geometries, I agree it sounds like a valid tool to have, but
I am a bit concerned of the clutter to benefit ratio. Does anyone
have an idea how often this would be useful in reality?</p>
<p>Thanks</p>
<p>Matthias<br>
</p>
<div class="moz-cite-prefix">On 1/8/19 9:02 AM, Havard Tveite wrote:<br>
</div>
<blockquote type="cite"
cite="mid:0dd16a74-413f-633f-2b74-f1ecc534c90a@nmbu.no">I agree
that disabling the vertex tool for point layers is a good
<br>
idea. It will improve consistency and avoid confusion.
<br>
A separate tool for moving a part of a multi-geometry would be
<br>
useful.
<br>
<br>
Håvard
<br>
<br>
On 08. jan. 2019 07:53, Bernhard Ströbl wrote:
<br>
<blockquote type="cite">Hi Saber,
<br>
<br>
Delete a single point (part) in a multi-point layer with remove
part tool (as you would with e.g. a multi-polygon layer).
<br>
Move single point in a multi-point layer: There is no option to
move a part in a multi-line or multi-polygon layer either (or I
am not aware of it). Why is it different for multi-point? If
there is a need to move parts in a multi-* layer, a dedicated
tool should be established IMHO covering all cases.
<br>
<br>
Do not misunderstand me, I really do not bother but I started
thinking about the tool's behaviour for point layers during this
thread and IMHO the behaviour is not consistent:
<br>
1) the tool is called _node_ but it works on _points_, too
<br>
2) It can be used to move/delete single point geometries or
parts of multi-points, but it cannot be used to move parts when
editing lines or polygons (neither single nor multi),
furthermore for deleting parts there is another tool that does
exactly the same.
<br>
<br>
Bernhard
<br>
<br>
Am 07.01.2019 um 16:59 schrieb Saber Razmjooei:
<br>
<blockquote type="cite">Hi Bernhard,
<br>
<br>
How about multi-point layer? All the features will move/delete
with the other tools.
<br>
<br>
Regards
<br>
Saber
<br>
<br>
On Mon, 7 Jan 2019 at 15:55, Bernhard Ströbl
<<a class="moz-txt-link-abbreviated" href="mailto:bernhard.stroebl@jena.de">bernhard.stroebl@jena.de</a>
<a class="moz-txt-link-rfc2396E" href="mailto:bernhard.stroebl@jena.de"><mailto:bernhard.stroebl@jena.de></a>> wrote:
<br>
<br>
Maybe the node tool shouldn't be available when editing a
point layer?
<br>
Anything one may want to do with points can be done using
the other
<br>
tools (move, delete part). I was always wondering why it
is there
<br>
because AFAIU nodes are not individual features, they only
exist as
<br>
part
<br>
of a line or polygon boundary, but points in a point layer
are
<br>
individual features themselves.
<br>
<br>
Bernhard
<br>
<br>
Am 07.01.2019 um 16:25 schrieb DelazJ:
<br>
> Hi Micha,
<br>
>
<br>
> The Node Tool is not meant to remove features, but
to edit/remove
<br>
their
<br>
> geometries. Your feature persists in your dataset
through their
<br>
> attributes and you can later use the "Add part" tool
to create a new
<br>
> geometry.
<br>
>
<br>
<a class="moz-txt-link-freetext" href="https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/editing_geometry_attributes.html#vertex-tool">https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/editing_geometry_attributes.html#vertex-tool</a>
<br>
> For full deletion (data + geometry), you should use
the the "Delele
<br>
> selected" tool, with a red bin.
<br>
>
<br>
> Regards,
<br>
> Harrissou
<br>
>
<br>
> Le lun. 7 janv. 2019 à 16:15, Micha Silver
<<a class="moz-txt-link-abbreviated" href="mailto:tsvibar@gmail.com">tsvibar@gmail.com</a>
<br>
<a class="moz-txt-link-rfc2396E" href="mailto:tsvibar@gmail.com"><mailto:tsvibar@gmail.com></a>
<br>
> <<a class="moz-txt-link-freetext" href="mailto:tsvibar@gmail.com">mailto:tsvibar@gmail.com</a>
<a class="moz-txt-link-rfc2396E" href="mailto:tsvibar@gmail.com"><mailto:tsvibar@gmail.com></a>>> a écrit :
<br>
>
<br>
> Hi Alex:
<br>
>
<br>
> Linux Mint 19
<br>
>
<br>
> gdal 2.2.3
<br>
>
<br>
> QGIS 3.4.3
<br>
>
<br>
>
<br>
> Just out of curiosity, I did the same on a
debian buster machine
<br>
> (QGIS 2.18) and found the same: deleting
vertices (with the node
<br>
> tool) on a point vector layer does not delete
the attribute rows.
<br>
>
<br>
>
<br>
> On 1/6/19 11:38 PM, Alexandre Neto wrote:
<br>
>> What's your platform?
<br>
>> What's the version of gdal?
<br>
>>
<br>
>> Thanks,
<br>
>>
<br>
>> Alex Neto
<br>
>>
<br>
>> A dom, 6/01/2019, 12:55, Micha Silver
<<a class="moz-txt-link-abbreviated" href="mailto:tsvibar@gmail.com">tsvibar@gmail.com</a>
<br>
<a class="moz-txt-link-rfc2396E" href="mailto:tsvibar@gmail.com"><mailto:tsvibar@gmail.com></a>
<br>
>> <<a class="moz-txt-link-freetext" href="mailto:tsvibar@gmail.com">mailto:tsvibar@gmail.com</a>
<a class="moz-txt-link-rfc2396E" href="mailto:tsvibar@gmail.com"><mailto:tsvibar@gmail.com></a>>> escreveu:
<br>
>>
<br>
>> I have found that after deleting some
points in both a
<br>
>> shapefile and a geopackage layer, the
attribute rows
<br>
remain in
<br>
>> the table (with null geometry). Is this
expected? I'm using
<br>
>> 3.4.3, and I don't remember that being
so in earlier
<br>
versions.
<br>
>>
<br>
>>
<br>
>> I removed the "phantom" rows by
selecting by expression:
<br>
>> '$geometry is null' and then deleting.
Still the
<br>
behavior was
<br>
>> surprising. I hope this is not a
resurrection of
<br>
>> <a class="moz-txt-link-freetext" href="https://issues.qgis.org/issues/11007">https://issues.qgis.org/issues/11007</a> ??
<br>
>>
<br>
>>
<br>
>> Thanks
<br>
>>
<br>
>> --
<br>
>> Micha Silver
<br>
>> Ben Gurion Univ.
<br>
>> Sde Boker, Remote Sensing Lab
<br>
>> cell: +972-523-665918
<br>
>>
<br>
>>
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<br>
>> ---------------------
<br>
>> @AlexNetoGeo
<br>
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<br>
> --
<br>
> Micha Silver
<br>
> Ben Gurion Univ.
<br>
> Sde Boker, Remote Sensing Lab
<br>
> cell: +972-523-665918
<br>
>
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</blockquote>
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</blockquote>
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</blockquote>
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<div class="moz-signature"> <span style="text-align: left;
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font-size: 10pt">Matthias Kuhn</span><br>
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