Re: [Qgis-user] Default Value for a Widget

2018-08-27 Thread Randal Hale
That's exactly what is happening. Its works fine on an update but not on
initial creation. Give me a bit and I'll test it with a virtual field. I
should have fallen back to the docs and read before asking.

I appreciate the help. This is exciting (not what I wanted to happen but
exciting still).

On Aug 27, 2018 4:39 PM, "DelazJ"  wrote:

Hi Randy,
It might be because, at the time of feature creation QGIS does not know
about what you filled in the other fields; this feature is a kind of
"insert before" trigger. See the note at
https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/vector_properties.html#default-values
How does it play if your total field was (temporary) a virtual field?

HTH,
Harrissou

Le lun. 27 août 2018 à 22:28, Randal Hale 
a écrit :

> I have an address point database. There are some string calculations
> that have to happen after a point has been added. I've hit a bit of a
> stuck spot with this one.
>
> I have three fields: fielda. fieldb, and fieldc
>
> When the user adds the information for those three fields I have one
> field that needs to add the three strings together. In the fieldtotal
> column I set up an expression (in the attributes form) for the default
> value that is: "fielda" || ' ' || "fieldb" || ' ' || "fieldc" and place
> that in default value.
>
> example: "123", "MAIN", "456" and I want "123 MAIN 456"
>
> It won't calculate at the end - it's as if I'm forgetting to set
> something. If I check the "Apply default value on update" checkbox it
> will update if I edit the point - just not on initial point creation.
>
> I'm pretty sure I'm missing something.
>
> Randy
>
> --
> Randal Hale
> rjh...@northrivergeographic.com
> https://www.northrivergeographic.com
> (423)653-3611
>
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Re: [Qgis-user] Default Value for a Widget

2018-08-27 Thread DelazJ
Hi Randy,
It might be because, at the time of feature creation QGIS does not know
about what you filled in the other fields; this feature is a kind of
"insert before" trigger. See the note at
https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/vector_properties.html#default-values
How does it play if your total field was (temporary) a virtual field?

HTH,
Harrissou

Le lun. 27 août 2018 à 22:28, Randal Hale 
a écrit :

> I have an address point database. There are some string calculations
> that have to happen after a point has been added. I've hit a bit of a
> stuck spot with this one.
>
> I have three fields: fielda. fieldb, and fieldc
>
> When the user adds the information for those three fields I have one
> field that needs to add the three strings together. In the fieldtotal
> column I set up an expression (in the attributes form) for the default
> value that is: "fielda" || ' ' || "fieldb" || ' ' || "fieldc" and place
> that in default value.
>
> example: "123", "MAIN", "456" and I want "123 MAIN 456"
>
> It won't calculate at the end - it's as if I'm forgetting to set
> something. If I check the "Apply default value on update" checkbox it
> will update if I edit the point - just not on initial point creation.
>
> I'm pretty sure I'm missing something.
>
> Randy
>
> --
> Randal Hale
> rjh...@northrivergeographic.com
> https://www.northrivergeographic.com
> (423)653-3611
>
> ___
> Qgis-user mailing list
> Qgis-user@lists.osgeo.org
> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
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[Qgis-user] Default Value for a Widget

2018-08-27 Thread Randal Hale
I have an address point database. There are some string calculations 
that have to happen after a point has been added. I've hit a bit of a 
stuck spot with this one.


I have three fields: fielda. fieldb, and fieldc

When the user adds the information for those three fields I have one 
field that needs to add the three strings together. In the fieldtotal 
column I set up an expression (in the attributes form) for the default 
value that is: "fielda" || ' ' || "fieldb" || ' ' || "fieldc" and place 
that in default value.


example: "123", "MAIN", "456" and I want "123 MAIN 456"

It won't calculate at the end - it's as if I'm forgetting to set 
something. If I check the "Apply default value on update" checkbox it 
will update if I edit the point - just not on initial point creation.


I'm pretty sure I'm missing something.

Randy

--
Randal Hale
rjh...@northrivergeographic.com
https://www.northrivergeographic.com
(423)653-3611

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[QGIS-it-user] QGIS line_interpolate_point con EPSG 4326

2018-08-27 Thread Totò
Ciao lista,
ho notato che la funzione line_interpolate_point non lavora come mi
aspetterei se la geometry è in EPSG 4326; con geometry proiettate funziona.

allego [0] uno shapefile linestring in EPSG 4326 e vi chiedo di fare la
seguente prova:
aggiungere un campo testuale -lungo 80 e popolatelo con la seguente
espressione:

geom_to_wkt( line_interpolate_point( $geometry, $length/2) ) 

poi esportate in csv per verificare i punti.

In QGIS 2.18.23 LTR il campo viene compilato ma le coordinate sono del primo
vertice e non quello atteso del centroide lungo la linea;
In QGIS 3.2.2 il campo viene compilato ma le coordinate sono del primo
vertice e non quello atteso del centroide lungo la linea;
In QGIS 3.3 dev il campo NON viene compilato, o meglio il valore è NULL

in tutte e tre le versioni l'espressione funziona bene se utilizzata per
tematizzare con geometry generator

domanda: è normale questo comportamento con EPSG 4326 oppure è un bug?

saluti

[0] https://mega.nz/#!sAwlyTLI!GmVZP4k2kiC914CutDD1r9D2VV327y3WryUGkL3FEkM



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[Qgis-user] Open temporary position (1.11.2018 until the 1.11.2019) for a Scientist in spatial analyses and remote sensing in applied ecology

2018-08-27 Thread Stefan Blumentrath
Dear all,

One of our GIS/remote sensing specialists will be in maternity leave, and we 
therefore need a substitute in this position from the 1.11.2018 until the 
1.11.2019.

If you are either ecologist, geographer, environmental planner, (or have a 
similar education) with special interest in GIS / remote sensing or geomatics 
engineer with interest in nature and environmental issues, this position can be 
a nice opportunity to make some experience abroad, new contacts and further 
develop yours and NINA`s skills with OSGeo tools.

Tasks in this position will be to develop NINA´s research and project 
activities on landscape analyses, spatial modelling and the use of remote 
sensed data in ecology research and nature conservation as well as contributing 
to the strategic development of this field within NINA.

We offer:
- Participation in a diverse portfolio of interesting research projects.
- Full time research employment in the period from 1.11.2018 until the 
1.11.2019.
- Salary based on qualifications and competence.
- Flexible working hours.
- Good pension and insurance schemes.
- A welcoming and inspiring working environment.
- Good opportunities for professional development.

Dead line for the application is 15. of September 2018. It has to contain a CV 
and a one-page letter of motivation and must be submitted in English (or 
Norwegian) to siri.svend...@nina.no.
NINA would like to increase the percentage of female scientists within the 
institute and would therefore encourage female candidates to apply.

For more information on the position, please have a look at:
https://www.nina.no/english/News/News-article/ArticleId/4574/Scientist-in-spatial-analyses-and-remote-sensing-in-applied-ecology

Looking forward to receiving applications from the OSGeo community.

Kind regards,
Stefan
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Re: [Qgis-user] QGIS 3.2.1 Mac Map Area Issue

2018-08-27 Thread Jesús Lopez
This problem remains in 3.2.2-1 version.


> El 7 ago 2018, a las 17:15, Daniel Marcum  escribió:
> 
> I just updated to QGIS 3.2.1 on macOS 10.13.6. The map area is small (doesn’t 
> fill the part of the window that it should). Any ideas why this is happening? 
> Wasn’t an issue in 3.2. Attached is a screenshot.
> 
> 
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