Re: [postgis-users] Visualizing PostGIS 3D geometries

2015-07-08 Thread Tom van Tilburg
I think 3D is still in it's infancy in the world of GIS, so for many 
things you have to things manually.


If it's just visualizing, you may try to export them as X3D and open 
them in an X3D capable viewer.


Regina made a first (impressive) effort on a viewer with this:
https://github.com/robe2/postgis_x3d_viewer

but you can also directly output a valid x3d file from an SQL query:
http://postgis.net/docs/ST_AsX3D.html

T.

On 7-7-2015 21:44, Hillier, Michael wrote:

Greetings,

I am searching for advice on how to visualize PostGIS 3D geometries: PointZ, 
PolygonZ, TinZ. So far I have tested out:

   *   ArcScene - supports pointz and polygonz. but many issues with polygonz 
and confirmed by ESRI
   *   pg3Dviewer - only supports Pointz. Although, was never able to visualize 
it even with their test dataset and tutorial.
   *   QGIS - only supports 2D geometry - 3rd dimension ignored
   *   Grass GIS - extremely difficult to use (I am not a GIS expert): 
connecting to database, creating new mapset, vector map etc. I was able to 
connect to the database and see my tables, figured out the mapset and vector 
map system. But the only thing it seems to pull in from the table is the id 
column and not the geometry.

Honestly, the issues I have gone through to visualize simple 3D PostGIS 
geometries doesn't make sense to me. Shouldn't there be a simple environment to 
connect to the PostgreSQL/PostGIS database and visualize the 3D geometries? Or 
have I really missed something here? If there isn't what is the point in having 
standardized geometries on a S-DBMS if you can't visualize them?



Is it expected that some advanced end user develop their own software using 
some visualization toolkit like VTK to visualize these geometries?



Many thanks for any advice/guidance.



Michael
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Re: [postgis-users] Visualizing PostGIS 3D geometries

2015-07-08 Thread Rémi Cura
Hey,
I went trough a similar quest recently.
The only solution I found that worked easily was to export the 3D
shapefile,
and visualize it in an external software
(in my case , CloudCompare )

Sadly it's difficult to find a mature x3d viewer.

Cheers,
Rémi-C

2015-07-08 13:22 GMT+02:00 Tom van Tilburg tom.van.tilb...@gmail.com:

 I think 3D is still in it's infancy in the world of GIS, so for many
 things you have to things manually.

 If it's just visualizing, you may try to export them as X3D and open them
 in an X3D capable viewer.

 Regina made a first (impressive) effort on a viewer with this:
 https://github.com/robe2/postgis_x3d_viewer

 but you can also directly output a valid x3d file from an SQL query:
 http://postgis.net/docs/ST_AsX3D.html

 T.


 On 7-7-2015 21:44, Hillier, Michael wrote:

 Greetings,

 I am searching for advice on how to visualize PostGIS 3D geometries:
 PointZ, PolygonZ, TinZ. So far I have tested out:

*   ArcScene - supports pointz and polygonz. but many issues with
 polygonz and confirmed by ESRI
*   pg3Dviewer - only supports Pointz. Although, was never able to
 visualize it even with their test dataset and tutorial.
*   QGIS - only supports 2D geometry - 3rd dimension ignored
*   Grass GIS - extremely difficult to use (I am not a GIS expert):
 connecting to database, creating new mapset, vector map etc. I was able to
 connect to the database and see my tables, figured out the mapset and
 vector map system. But the only thing it seems to pull in from the table is
 the id column and not the geometry.

 Honestly, the issues I have gone through to visualize simple 3D PostGIS
 geometries doesn't make sense to me. Shouldn't there be a simple
 environment to connect to the PostgreSQL/PostGIS database and visualize the
 3D geometries? Or have I really missed something here? If there isn't what
 is the point in having standardized geometries on a S-DBMS if you can't
 visualize them?



 Is it expected that some advanced end user develop their own software
 using some visualization toolkit like VTK to visualize these geometries?



 Many thanks for any advice/guidance.



 Michael
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Re: [postgis-users] Visualizing PostGIS 3D geometries

2015-07-07 Thread Donovan Cameron
There's the Horao plugin[1] for QGIS that might let you view postgis 3d 
geometries.


It can run stand-alone as well, without QGIS.

It was developed for the SFCGAL 3D geometry types, but haven't tested on 
...Z geometry types.




Donovan



[1] http://oslandia.github.io/horao/


On 07/07/15 01:27 PM, Paolo Cavallini wrote:

Il 07/07/2015 21:44, Hillier, Michael ha scritto:


Honestly, the issues I have gone through to visualize simple 3D PostGIS 
geometries doesn't make sense to me. Shouldn't there be a simple environment to 
connect to the PostgreSQL/PostGIS database and visualize the 3D geometries? Or 
have I really missed something here? If there isn't what is the point in having 
standardized geometries on a S-DBMS if you can't visualize them?



Is it expected that some advanced end user develop their own software using 
some visualization toolkit like VTK to visualize these geometries?

QGIS 2.10 has some basic support for 3D, will have more in 2.12.
All the best.



--
Kind regards,

Donovan

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Re: [postgis-users] Visualizing PostGIS 3D geometries

2015-07-07 Thread Paolo Cavallini
Il 07/07/2015 21:44, Hillier, Michael ha scritto:

 Honestly, the issues I have gone through to visualize simple 3D PostGIS 
 geometries doesn't make sense to me. Shouldn't there be a simple environment 
 to connect to the PostgreSQL/PostGIS database and visualize the 3D 
 geometries? Or have I really missed something here? If there isn't what is 
 the point in having standardized geometries on a S-DBMS if you can't 
 visualize them?
 
 
 
 Is it expected that some advanced end user develop their own software using 
 some visualization toolkit like VTK to visualize these geometries?

QGIS 2.10 has some basic support for 3D, will have more in 2.12.
All the best.

-- 
Paolo Cavallini - www.faunalia.eu
QGIS  PostGIS courses: http://www.faunalia.eu/training.html
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