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<div class="moz-cite-prefix">On 09/01/2019 23:58, Nyall Dawson
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAB28Asgq5JgLY08aeiOXNhG9KsvqtE=nhEXv6mSZKP7+5KaUnw@mail.gmail.com">
<pre class="moz-quote-pre" wrap="">On Tue, 8 Jan 2019 at 18:45, Havard Tveite <a class="moz-txt-link-rfc2396E" href="mailto:havard.tveite@nmbu.no"><havard.tveite@nmbu.no></a> wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">
We have a tool ("Move Features") for moving a geometry.
For consistency, that tool should be used also for moving points.
A new tool ("Move feature part") would eliminate the need for
overloading the "Vertex Tool". The "Vertex Tool" would then be
used only for modifying the shape of lines (including polygon
outlines).
Overloading the vertex tool may be convenient for many users and
perhaps developers, but will probably be confusing for most
users (even if it is renamed to "Vertex / Point Tool"). So
overloading should be avoided.
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
I don't really see the issue here -- the "move" and "delete" tools
work with points, just like they do with other geometries. So you're
free to use these to modify point features. Why do we need to restrict
the vertex tool and prevent using it for points?
Nyall
</pre>
</blockquote>
<p>I agree. I would not want to see different behavior for points
vs. vertices.</p>
<p><br>
</p>
<blockquote type="cite"
cite="mid:CAB28Asgq5JgLY08aeiOXNhG9KsvqtE=nhEXv6mSZKP7+5KaUnw@mail.gmail.com">
<pre class="moz-quote-pre" wrap="">
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">
A side note: To raise the awareness of the distinction between
multi and non-multi geometry layers, could it be an idea to
indicate that a layer is a multi-geometry layer in the Layers
panel. Either by adding a multi-symbol, or by making new
symbols for multi-points, multi-lines and multi-polygons.
Håvard
On 08. jan. 2019 09:21, Matthias Kuhn wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">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.
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.
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.
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?
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?
Thanks
Matthias
On 1/8/19 9:02 AM, Havard Tveite wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">I agree that disabling the vertex tool for point layers is a good
idea. It will improve consistency and avoid confusion.
A separate tool for moving a part of a multi-geometry would be
useful.
Håvard
On 08. jan. 2019 07:53, Bernhard Ströbl wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">Hi Saber,
Delete a single point (part) in a multi-point layer with remove part
tool (as you would with e.g. a multi-polygon layer).
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.
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:
1) the tool is called _node_ but it works on _points_, too
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.
Bernhard
Am 07.01.2019 um 16:59 schrieb Saber Razmjooei:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">Hi Bernhard,
How about multi-point layer? All the features will move/delete with
the other tools.
Regards
Saber
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:
Maybe the node tool shouldn't be available when editing a point
layer?
Anything one may want to do with points can be done using the other
tools (move, delete part). I was always wondering why it is there
because AFAIU nodes are not individual features, they only exist as
part
of a line or polygon boundary, but points in a point layer are
individual features themselves.
Bernhard
Am 07.01.2019 um 16:25 schrieb DelazJ:
> Hi Micha,
>
> The Node Tool is not meant to remove features, but to
edit/remove
their
> geometries. Your feature persists in your dataset through their
> attributes and you can later use the "Add part" tool to
create a new
> geometry.
>
<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>
> For full deletion (data + geometry), you should use the the
"Delele
> selected" tool, with a red bin.
>
> Regards,
> Harrissou
>
> 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>
<a class="moz-txt-link-rfc2396E" href="mailto:tsvibar@gmail.com"><mailto:tsvibar@gmail.com></a>
> <<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 :
>
> Hi Alex:
>
> Linux Mint 19
>
> gdal 2.2.3
>
> QGIS 3.4.3
>
>
> Just out of curiosity, I did the same on a debian buster
machine
> (QGIS 2.18) and found the same: deleting vertices (with
the node
> tool) on a point vector layer does not delete the
attribute rows.
>
>
> On 1/6/19 11:38 PM, Alexandre Neto wrote:
>> What's your platform?
>> What's the version of gdal?
>>
>> Thanks,
>>
>> Alex Neto
>>
>> A dom, 6/01/2019, 12:55, Micha Silver <<a class="moz-txt-link-abbreviated" href="mailto:tsvibar@gmail.com">tsvibar@gmail.com</a>
<a class="moz-txt-link-rfc2396E" href="mailto:tsvibar@gmail.com"><mailto:tsvibar@gmail.com></a>
>> <<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:
>>
>> I have found that after deleting some points in both a
>> shapefile and a geopackage layer, the attribute rows
remain in
>> the table (with null geometry). Is this expected?
I'm using
>> 3.4.3, and I don't remember that being so in earlier
versions.
>>
>>
>> I removed the "phantom" rows by selecting by
expression:
>> '$geometry is null' and then deleting. Still the
behavior was
>> surprising. I hope this is not a resurrection of
>> <a class="moz-txt-link-freetext" href="https://issues.qgis.org/issues/11007">https://issues.qgis.org/issues/11007</a> ??
>>
>>
>> Thanks
>>
>> --
>> Micha Silver
>> Ben Gurion Univ.
>> Sde Boker, Remote Sensing Lab
>> cell: +972-523-665918
>>
>> _______________________________________________
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>> --
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>> ---------------------
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>
> --
> Micha Silver
> Ben Gurion Univ.
> Sde Boker, Remote Sensing Lab
> cell: +972-523-665918
>
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</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">--
Matthias Kuhn
<a class="moz-txt-link-abbreviated" href="mailto:matthias@opengis.ch">matthias@opengis.ch</a> <a class="moz-txt-link-rfc2396E" href="mailto:matthias@opengis.ch"><mailto:matthias@opengis.ch></a>
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</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
--
Håvard Tveite
Faculty of Science and Technology, NMBU
Drøbakveien 31, POBox 5003, N-1432 Ås, NORWAY
Phone: +47 67231548 Web: <a class="moz-txt-link-freetext" href="http://www.nmbu.no">http://www.nmbu.no</a>
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<pre class="moz-signature" cols="72">--
Micha Silver
Ben Gurion Univ.
Sde Boker, Remote Sensing Lab
+972-523-665918</pre>
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