<div dir="ltr">Hi Larissa,<div><br></div><div>hmmm, the SRTM is not going to give a proper indication of elevation when used in conjunction with buildings. The SRTM is very coarse dataset and it will probably be flat for your extent. Have you considered having seperate sections for 3d data visualisations, each with its own dataset. One section could be vectors (there is quite a bit to cover there: points as 3d models, 3d lines and buildings), rasters (to cover terrain and probably mesh) and another for creating animations and fly-overs.</div><div><br></div><div>I am available most of next week. Feel free to drop me an email off-the-list and happy to show you in a webconferencing session how to use those features.</div><div><br></div><div>Many thanks, <br>Saber</div><div> </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 13 Feb 2020 at 13:30, Larissa Junek <<a href="mailto:l.junek@gmx.net">l.junek@gmx.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Hello Saber,<br>
</p>
<div>in the meantime I used New York
3D data to check out the 3D view tool.</div>
<div>Using the hints of your blog I'm
having <br>
</div>
<div>
<ul>
<li>a Buildings_3D_Multipatch layer from a
DA10_3D_Buildings_Multipatch.gdb (vector layer)<br>
</li>
<li>SRTM data N40W074.hgt (raster layer)<br>
</li>
</ul>
now.</div>
<div><br>
</div>
<div>Next steps:<br>
</div>
<div>
<ul>
<li>the srtm data in the 3D view tool: Type = DEM (raster layer)
, Elevation = N40W074</li>
<li>single symbol setting in the 3D view properties of
Buildings_3D_Multipatch</li>
</ul>
Using SRTM data this way doesn't help to depict the vectors in 3D
(I thought the srtm data have the function of a master). Do I have
to convert file formats?</div>
<div>I'm using QGIS 3.10.2 and win10.<br>
</div>
<div><br>
</div>
<div>Cheers, Larissa<br>
</div>
<div><br>
</div>
<div><br>
-------- Weitergeleitete Nachricht --------
<table cellspacing="0" cellpadding="0" border="0">
<tbody>
<tr>
<th valign="BASELINE" nowrap align="RIGHT">Betreff:
</th>
<td>Re: [Qgis-community-team] 3D view of LIDAR data city of
boulder</td>
</tr>
<tr>
<th valign="BASELINE" nowrap align="RIGHT">Datum: </th>
<td>Tue, 11 Feb 2020 17:22:32 +0100</td>
</tr>
<tr>
<th valign="BASELINE" nowrap align="RIGHT">Von: </th>
<td>Larissa Junek <a href="mailto:l.junek@gmx.net" target="_blank"><l.junek@gmx.net></a></td>
</tr>
<tr>
<th valign="BASELINE" nowrap align="RIGHT">An: </th>
<td>Saber Razmjooei
<a href="mailto:saber.razmjooei@lutraconsulting.co.uk" target="_blank"><saber.razmjooei@lutraconsulting.co.uk></a>,
<a href="mailto:qgis-community-team@lists.osgeo.org" target="_blank">qgis-community-team@lists.osgeo.org</a></td>
</tr>
</tbody>
</table>
<br>
<br>
<p>Hi Saber,</p>
<p>ok will the clipped Boulder data be suitable for the 3D dataset
that we want to provide in the qgis sample data?</p>
<p>I wonder if srtm data will have a good resolution. Will you
also clip a srtm dataset for usage in the qgis sample data?</p>
<p>Then I would of course prefer to use this data so that a user
can quickly check out the usage of the 3D view functionalities!</p>
<p>Cheers, Larissa (-:<br>
</p>
<div>Am 10.02.2020 um 16:55 schrieb Saber
Razmjooei:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hi Larissa,
<div><br>
</div>
<div>I was clipping the Boulder data to something manageable.
But if you have moved to NY data, that should be fine too.</div>
<div><br>
</div>
<div>In terms of the underlying terrain, we have a
separate blog post. </div>
<div><a href="https://www.lutraconsulting.co.uk/blog/2018/03/01/working-with-qgis-3d-part-1/" target="_blank">https://www.lutraconsulting.co.uk/blog/2018/03/01/working-with-qgis-3d-part-1/</a><br>
</div>
<div><br>
</div>
<div>Usually the z-scales in terrain and buildings do not line
up nicely, therefore I thought it is better to have 2
different sections: one on terrain (rasters) and one on
buildings (vector).</div>
<div><br>
</div>
<div>Let me know if you have any questions.</div>
<div><br>
</div>
<div>Kind regards</div>
<div>Saber</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, 10 Feb 2020 at
15:38, Larissa Junek <<a href="mailto:l.junek@gmx.net" target="_blank">l.junek@gmx.net</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Hi Saber,</p>
<p>I switched the location and prepared a geopackage with
the 3D data of new york.</p>
<p>I think your blog should be updated as I still only can
depict a flat plane of the data in the 3d view tool.</p>
<p>Sorry for bothering but it's my task to write about the
3D settings in QGIS 3.10 ...</p>
<p>Cheers, Larissa<br>
</p>
<div>Am 10.02.2020 um 15:17 schrieb Larissa Junek:<br>
</div>
<blockquote type="cite">
<p>Hi Saber,</p>
<p>thanks for giving me the hint. Do I need to add a
raster layer with height information like geoTiff
(SRTM data etc.)</p>
<p>in order to define the position of the 3D buildings ?
I got this information in a presentation on youtube.
Right now, after</p>
<p>defining the single symbol of walls and roofs (data
city of Boulder), there is only a plane :-(</p>
<p>Cheers Larissa<br>
</p>
<div>Am 08.02.2020 um 13:38 schrieb Saber Razmjooei:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hi Larissa,
<div><br>
</div>
<div>Apologies. Boulder data indeed contain walls
and roofs. </div>
<div><br>
</div>
<div>To view the data in 3D, you need to go to each
layer and open Properties > 3D view and change
the style to Single symbol.</div>
<div><br>
</div>
<div>Also, the dataset is very large. It would be
easier if you crop the data to a smaller area.</div>
<div><br>
</div>
<div>Regards</div>
<div>Saber</div>
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat, 8 Feb 2020
at 12:00, Saber Razmjooei <<a href="mailto:saber.razmjooei@lutraconsulting.co.uk" target="_blank">saber.razmjooei@lutraconsulting.co.uk</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">Hi Larissa,
<div><br>
</div>
<div>Many thanks for looking into documenting
this.</div>
<div><br>
</div>
<div>I had a quick look at the data. It is only
the footprint. So, you can only extrude the
data (based on height). </div>
<div><br>
</div>
<div>There is a good data source of 3D buildings
here:</div>
<div><a href="https://github.com/wonder-sk/3d-spatial-data" target="_blank">https://github.com/wonder-sk/3d-spatial-data</a><br>
</div>
<div><br>
</div>
<div>And for building in New York, we wrote a
blog post here. The data have z-valuse and
should automatically get picked up by the 3D
map view.</div>
<div><a href="https://www.lutraconsulting.co.uk/blog/2017/10/16/buildings-in-qgis3d/" target="_blank">https://www.lutraconsulting.co.uk/blog/2017/10/16/buildings-in-qgis3d/</a><br>
</div>
<div><br>
</div>
<div>Feel free to use any of the content from
our website in the documentation.</div>
<div><br>
</div>
<div>Kind regards</div>
<div>Saber</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Fri, 7 Feb
2020 at 13:59, Larissa Junek <<a href="mailto:l.junek@gmx.net" target="_blank">l.junek@gmx.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hello
folks,<br>
<br>
for documentation purposes I'd like to
visualize the 3d data of the city<br>
of boulder in qgis 3.10 .<br>
<br>
<a href="https://bouldercolorado.gov/open-data/city-of-boulder-3d-buildings/" rel="noreferrer" target="_blank">https://bouldercolorado.gov/open-data/city-of-boulder-3d-buildings/</a><br>
<br>
Unfortunately qgis crashes when loading the
shapefile into the 3d view.<br>
<br>
Also, where do I have access to the
z-coordinate so that there will be a<br>
3d view. At the moment there is only visible a
plane with the vectors<br>
but no "z-value" in the 3d view application.
Extrusion doesn't help<br>
solute the problem.<br>
<br>
There is a hint that these data have something
to do with GeoJSon, so<br>
maybe I have to find another 3d data suitable
for using in the 3D view<br>
application.<br>
<br>
Can somebody help?<br>
<br>
Cheers, Larissa<br>
<br>
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<div dir="ltr">Saber Razmjooei<br>
</div>
<div><a href="http://www.lutraconsulting.co.uk" target="_blank">www.lutraconsulting.co.uk</a><br>
<span>+44 (0)7568 129733</span><br>
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<div><a href="http://www.lutraconsulting.co.uk" target="_blank">www.lutraconsulting.co.uk</a><br>
<span>+44 (0)7568 129733</span><br>
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<div><a href="http://www.lutraconsulting.co.uk" target="_blank">www.lutraconsulting.co.uk</a><br>
<span>+44 (0)7568 129733</span><br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Saber Razmjooei<br></div><div><a href="http://www.lutraconsulting.co.uk" target="_blank">www.lutraconsulting.co.uk</a><br><span>+44 (0)7568 129733</span><br></div></div></div></div></div></div></div></div></div></div>