Apologies, I’ll take a look today.

Regards,


[MPS]

JOSHUA GEOGHEGAN | GIS Specialist
Email: 
joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au>
Phone: 03 5950 1321
Private Bag 1000, Rosebud VIC 3939 | 90 Besgrove Street, Rosebud VIC 3939
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Mornington Peninsula Shire acknowledges and pays respect to the Bunurong/Boon 
Wurrung people,
the Traditional Custodians of these lands and waters.
We are committed to carbon neutrality.

From: Moritz Lennert <mlenn...@club.worldonline.be>
Sent: Tuesday, 7 December 2021 6:16 PM
To: Joshua Geoghegan <joshua.geoghe...@mornpen.vic.gov.au>; 
grass-user@lists.osgeo.org
Subject: RE: [GRASS-user] Grass Graphic Model v.net.distance Not Accepting 
point layer in From or To fields

Hi Josh,

I sent you a reply:

https://lists.osgeo.org/pipermail/grass-user/2021-December/082742.html

I don't think you sent anything since then.

Moritz
Le 5 décembre 2021 21:50:54 GMT+00:00, Joshua Geoghegan 
<joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au>>
 a écrit :
Hi Moritz,

I was wondering if you got a chance to see my reply with my current Grass 
workflow.
Hope it makes sense.

Regards,



JOSHUA GEOGHEGAN | GIS Specialist
Email: 
joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au>
Phone: 03 5950 1321
Private Bag 1000, Rosebud VIC 3939 | 90 Besgrove Street, Rosebud VIC 3939
Follow us on social media!
<https://www.mornpen.vic.gov.au/><https://www.facebook.com/mornpenshire><https://www.instagram.com/ourpeninsula/><http://twitter.com/MornPenShire>
<https://www.mornpen.vic.gov.au/emailcampaign>
Mornington Peninsula Shire acknowledges and pays respect to the Bunurong/Boon 
Wurrung people,
the Traditional Custodians of these lands and waters.
We are committed to carbon neutrality.

From: Joshua Geoghegan
Sent: Friday, 26 November 2021 1:57 PM
To: Moritz Lennert 
<mlenn...@club.worldonline.be<mailto:mlenn...@club.worldonline.be>>; 
grass-user@lists.osgeo.org<mailto:grass-user@lists.osgeo.org>
Subject: RE: [GRASS-user] Grass Graphic Model v.net.distance Not Accepting 
point layer in From or To fields

Hi Moritz,

Does the below make sense?
Perhaps I have connected the point and line vectors incorrectly?

Regards,

Josh



JOSHUA GEOGHEGAN | GIS Specialist
Email: 
joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au>
Phone: 03 5950 1321
Private Bag 1000, Rosebud VIC 3939 | 90 Besgrove Street, Rosebud VIC 3939
Follow us on social media!
<https://www.mornpen.vic.gov.au/><https://www.facebook.com/mornpenshire><https://www.instagram.com/ourpeninsula/><http://twitter.com/MornPenShire>
<https://www.mornpen.vic.gov.au/emailcampaign>
Mornington Peninsula Shire acknowledges and pays respect to the Bunurong/Boon 
Wurrung people,
the Traditional Custodians of these lands and waters.
We are committed to carbon neutrality.

From: Joshua Geoghegan
Sent: Wednesday, 24 November 2021 10:24 AM
To: Moritz Lennert 
<mlenn...@club.worldonline.be<mailto:mlenn...@club.worldonline.be>>; 
grass-user@lists.osgeo.org<mailto:grass-user@lists.osgeo.org>
Subject: RE: [GRASS-user] Grass Graphic Model v.net.distance Not Accepting 
point layer in From or To fields


Hi Moritz,



When I set it to layer 2 (which is the point layer I connected) and close the 
v.net.distance dialog, and reopen it I see the form reload and it switches back 
to 1.

I also try to create the where clause and now it says no table linked to layer 
2 even though I linked it with v.db.connect.



I tried connecting the attribute table to the same vector for the points, as 
well as trying connecting to the linked point/network vector.

Am I missing a step perhaps? Is the attribute table coming straight from the 
shapefile I am importing?





Below are the steps up until v.net.distance, with my network being cleaned up 
beforehand.

The highlighted section is where I import the points up until the 
v.net.distance.



I probably don’t need the v.db.addtable. That was there so I could populate the 
distance for each route but I guess v.net.distance outputs that.

It still didn’t work when I removed that.



Hopefully that makes sense.





Regards,



JOSHUA GEOGHEGAN | GIS Specialist | MORNINGTON PENINSULA SHIRE

Phone: 03 5950 1321

Email: 
joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au>

Private Bag 1000, Rosebud VIC 3939 | 90 Besgrove Street, Rosebud VIC 3939

www.mornpen.vic.gov.au<http://www.mornpen.vic.gov.au> | Twitter @MornPenShire | 
Facebook @MornPenShire



Mornington Peninsula Shire acknowledges and pays respect to the Bunurong/Boon 
Wurrung people,

the Traditional Custodians of these lands and waters.

-----Original Message-----
From: Moritz Lennert 
<mlenn...@club.worldonline.be<mailto:mlenn...@club.worldonline.be>>
Sent: Tuesday, 23 November 2021 6:07 PM
To: Joshua Geoghegan 
<joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au>>;
 grass-user@lists.osgeo.org<mailto:grass-user@lists.osgeo.org>
Subject: RE: [GRASS-user] Grass Graphic Model v.net.distance Not Accepting 
point layer in From or To fields



Hi Joshua,



Le 23 novembre 2021 01:45:14 GMT+01:00, Joshua Geoghegan 
<joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au>>
 a écrit :

>Thanks Moritz,

>

>

>

>What would be the reason behind the point layer switching back to layer 1 in 
>v.net.distance if I have linked the point and network?

>

>

>

>I'll test your two options in the meantime, but it still switches back to 
>layer 1.



I'm not sure I understand what you mean by "switching back". Most modules have 
layer=1as the default setting. That doesn't mean that the specific layer you 
work on does not have other layers. Have you checked whether you can set it to 
layer=2 ?



To help you, we would need some more info:



- What is the exact command you use to connect the lines and the points ?



- What is the output of v.category with option=report on the resulting file ?



Moritz



>

>

>

>[cid:image001.png@01D7E05F.93540130]

>

>

>

>Regards,

>

>

>

>JOSHUA GEOGHEGAN | GIS Specialist | MORNINGTON PENINSULA SHIRE

>

>Phone: 03 5950 1321

>

>Email: 
>joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au>

>

>Private Bag 1000, Rosebud VIC 3939 | 90 Besgrove Street, Rosebud VIC 3939

>

>www.mornpen.vic.gov.au<http://www.mornpen.vic.gov.au> | Twitter @MornPenShire 
>| Facebook @MornPenShire

>

>

>

>Mornington Peninsula Shire acknowledges and pays respect to the Bunurong/Boon 
>Wurrung people,

>

>the Traditional Custodians of these lands and waters.

>

>-----Original Message-----

>From: Moritz Lennert 
><mlenn...@club.worldonline.be<mailto:mlenn...@club.worldonline.be>>

>Sent: Monday, 22 November 2021 6:32 PM

>To: grass-user@lists.osgeo.org<mailto:grass-user@lists.osgeo.org>; Joshua 
>Geoghegan 
><joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au>>

>Subject: Re: [GRASS-user] Grass Graphic Model v.net.distance Not Accepting 
>point layer in From or To fields

>

>

>

>Hi Joshua,

>

>

>

>Le 21 novembre 2021 22:12:42 GMT+01:00, Joshua Geoghegan 
><joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au<mailto:joshua.geoghe...@mornpen.vic.gov.au%3cmailto:joshua.geoghe...@mornpen.vic.gov.au>>>
> a écrit :

>

>>Hi there,

>

>>

>

>>I have been stuck on a problem and I was hoping you could help, as I had no 
>>luck on GIS Stack Exchange.

>

>>

>

>>I have a point and network layer connected in Grass GIS via the graphic 
>>modeler.

>

>

>

>What exactly do you mean by 'the graphic modeler'. I assume you connect the 
>two using v.net ?

>

>

>

>

>

>> I am trying to find the shortest path between the first point (ROUND=0) and 
>> every other point (ROUND != 0) on the same point layer. For some reason I 
>> can select this layer (layer 2) in both From and To tabs and add category 
>> 1-500 (which is more than the number of points), but when I try the where 
>> clause and test for values in the ROUND field on the SQL Builder the results 
>> show up as '', even though the imported shp file has values. When I hit OK 
>> and come back into the form it has reverted back to layer 1 in the From and 
>> To tabs, which is road network layer.

>

>>

>

>>What could be the issue here?

>

>

>

>As the v.net man page states: "While the arcs created with v.net will retain 
>any attribute information associated with the input vector line/boundary file 
>in data layer 1, nodes created and stored in data layer 2 will not have any 
>associated attribute information."

>

>

>

>You have two options:

>

>

>

>1) Find out what to the category number of the point is that has ROUND=0 and 
>use that as from_cats, and all the others as to_cats.

>

>

>

>This could be done with v.db.select using columns=cat (assuming the column 
>containing the cat values is called 'cat') and where=ROUND=0.

>

>

>

>2) Connect the attribute table of your original point map to the point layer 
>of the connected network map using v.db.connect and the use the from_where and 
>to_where parameters as you did.

>

>

>

>If any of that is not clear, don't hesitate to come back to us.

>

>

>

>Moritz

>

>

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error, please notify sender immediately and delete. Any other use is 
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Shire. Shire will only collect personal information from you with your prior 
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