Re: [Qgis-user] Profile section digitising

[Paolo Cavallini]

Il 19/09/2016 20:30, Régis Haubourg ha scritto:

> Thinking of it, it is more a new feature of the "section" canvas than an 
> extension of the measure tool we have today. There
> can be several vertical references (many raster, 3D vectors..) available, so 
> I think it would be easier to read as a display
> of a "section" where it would be possible to display in the same place many 
> profile lines, and 3D sections of datas (think
> for instance of geological layers). Why not let it be a dynamic attribute so 
> that we could identify, style and label it as in
> any map?
> I put that good idea into the wish list. 

Glad it helped.
All the best.
-- 
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QGIS & PostGIS courses: http://www.faunalia.eu/training.html
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Re: [Qgis-user] Profile section digitising

[Régis Haubourg]

Le lundi 19 septembre 2016 à 19:44 +0200, Paolo Cavallini a écrit :
> Il 19/09/2016 14:37, Régis Haubourg ha scritto:
> 
> > 
> > We think that we could head toward something in core in 3.0 for handling
> > z data, and merge raster samping over section lines, compared with 3D
> > values stored in vertex. 
> > That would also be something really inline with multimap canvas proposal. 
> > 
> > You can check public plugin prototype by vincent Mora
> > here: https://github.com/vmora/qgis_section
> Thanks for the news. Are you also planning to add support for 3D on
> screen measurements (i.e. an extension of the current ruler, taking into
> account total distance considering DTM slope)?
> All the best.

Hi Paolo, 
this is not yet in what we had in mind. 
Thinking of it, it is more a new feature of the "section" canvas than an 
extension of the measure tool we have today. There
can be several vertical references (many raster, 3D vectors..) available, so I 
think it would be easier to read as a display
of a "section" where it would be possible to display in the same place many 
profile lines, and 3D sections of datas (think
for instance of geological layers). Why not let it be a dynamic attribute so 
that we could identify, style and label it as in
any map? 
I put that good idea into the wish list. 
Cheers
Régis

regis.haubo...@oslandia.com
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Re: [Qgis-user] Profile section digitising

[Paolo Cavallini]

Il 19/09/2016 14:37, Régis Haubourg ha scritto:

> We think that we could head toward something in core in 3.0 for handling
> z data, and merge raster samping over section lines, compared with 3D
> values stored in vertex. 
> That would also be something really inline with multimap canvas proposal. 
> 
> You can check public plugin prototype by vincent Mora
> here: https://github.com/vmora/qgis_section

Thanks for the news. Are you also planning to add support for 3D on
screen measurements (i.e. an extension of the current ruler, taking into
account total distance considering DTM slope)?
All the best.
-- 
Paolo Cavallini - www.faunalia.eu
QGIS & PostGIS courses: http://www.faunalia.eu/training.html
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Re: [Qgis-user] Profile section digitising

[Régis Haubourg]

Hi Andreas,
VOGIS is really nice regarding graphing profiles from surface elevation
datasets.
The use case here is  for viewing and editing profiles against 3D vector
data, not raster, such as water pipes for instance or geological data.
We chose to use a Canvas with all its power for styling and editing.
We think that we could head toward something in core in 3.0 for handling z
data, and merge raster samping over section lines, compared with 3D values
stored in vertex.
That would also be something really inline with multimap canvas proposal.

You can check public plugin prototype by vincent Mora here:
https://github.com/vmora/qgis_section

Cheers
Régis
-
Oslandia
regis.haubo...@oslandia.com

2016-09-19 12:56 GMT+02:00 Neumann, Andreas :

> Hi,
>
> There is a nice profile tool in the plugin called "VoGIS-ProfilTool". It
> is really flexible regarding your input data (new temporary line, line from
> existing layers), vertex options and output options and it allows to
> intersect with a surface layer (e.g. landcover, though this did not work in
> my tests). It can handle multiple surfaces, but only creates lines, no
> filled areas between the surfaces.
>
> I suggest, if you consider writing a new tool, that you would have a look
> at the "VoGIS-ProfilTool" to either get a head start and improve on it.
>
> Greetings,
>
> Andreas
>
> On 2016-09-13 08:10, Vincent Picavet (ml) wrote:
>
> Hi Lester,
>
> On 12/09/2016 15:49, Lester Anderson wrote:
>
> I was wondering if anyone had advice or ideas about digitising profile
> data (say on a geological cross-section) that is referenced to a
> polyline in the project,
>
>
> We at Oslandia are currently developping just that.
> It will be available later this year or january 2017 at the latest.
> Please be a bit patient.
> Do not hesitate to ask if you want further information, Vincent Mora
> will be able to answer your questions.
>
> Regards,
>
> Vincent
>
>
> Thanks
> Lester
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Re: [Qgis-user] Profile section digitising

[Neumann, Andreas]

Hi, 

There is a nice profile tool in the plugin called "VoGIS-ProfilTool". It
is really flexible regarding your input data (new temporary line, line
from existing layers), vertex options and output options and it allows
to intersect with a surface layer (e.g. landcover, though this did not
work in my tests). It can handle multiple surfaces, but only creates
lines, no filled areas between the surfaces. 

I suggest, if you consider writing a new tool, that you would have a
look at the "VoGIS-ProfilTool" to either get a head start and improve on
it. 

Greetings, 

Andreas 

On 2016-09-13 08:10, Vincent Picavet (ml) wrote:

> Hi Lester,
> 
> On 12/09/2016 15:49, Lester Anderson wrote: 
> 
>> I was wondering if anyone had advice or ideas about digitising profile
>> data (say on a geological cross-section) that is referenced to a
>> polyline in the project,
> 
> We at Oslandia are currently developping just that.
> It will be available later this year or january 2017 at the latest.
> Please be a bit patient.
> Do not hesitate to ask if you want further information, Vincent Mora
> will be able to answer your questions.
> 
> Regards,
> 
> Vincent 
> 
>> Thanks
>> Lester
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Re: [Qgis-user] Profile section digitising

[John Harrop]

A related route I’ve been looking at is working in 3D in a Postgresql/PostGIS 
system and generating the views to support what QGIS needs to work with.  This 
is part of a bigger geological data management system we are building.

John Harrop
VP Exploration
International Lithium Corp

> On Sep 13, 2016, at 7:25 AM, John Layt  wrote:
> 
> On 12 September 2016 at 14:49, Lester Anderson  wrote:
> 
>> I was wondering if anyone had advice or ideas about digitising profile
>> data (say on a geological cross-section) that is referenced to a
>> polyline in the project,
> 
> This is something we've been working on for archaeological use cases.
> At the moment we digitise our sections using false coordinates, then
> use composer to show both the plan and section views. We cheat by
> storing the 2D plan coordinates in real space so they show up in
> spatial queries and can be visualised by setting a buffer around them,
> but they're not really linked in a data or ui sense.
> 
> Longer term, I have a cunning plan to start using the new-ish 3D
> geometry engine to store the sections in 3D so they can live in the
> same shapefiles and so be properly queried, and by clicking on the
> section line in plan view a pop-up window shows the section by
> flipping the y and z coordinates on the fly. Unfortunately it's on a
> very long list of such ideas...
> 
> There's also a plugin called Midvatten which does borehole data which
> may have some ideas you could borrow.
> 
> John.
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Re: [Qgis-user] Profile section digitising

[John Layt]

On 12 September 2016 at 14:49, Lester Anderson  wrote:

> I was wondering if anyone had advice or ideas about digitising profile
> data (say on a geological cross-section) that is referenced to a
> polyline in the project,

This is something we've been working on for archaeological use cases.
At the moment we digitise our sections using false coordinates, then
use composer to show both the plan and section views. We cheat by
storing the 2D plan coordinates in real space so they show up in
spatial queries and can be visualised by setting a buffer around them,
but they're not really linked in a data or ui sense.

Longer term, I have a cunning plan to start using the new-ish 3D
geometry engine to store the sections in 3D so they can live in the
same shapefiles and so be properly queried, and by clicking on the
section line in plan view a pop-up window shows the section by
flipping the y and z coordinates on the fly. Unfortunately it's on a
very long list of such ideas...

There's also a plugin called Midvatten which does borehole data which
may have some ideas you could borrow.

John.
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Re: [Qgis-user] Profile section digitising

[Lester Anderson]

Thanks for all the ideas, good to see there is interest in this aspect.

Lester
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Re: [Qgis-user] Profile section digitising

[Régis Haubourg]

2016-09-13 10:04 GMT+02:00 Luigi Pirelli :

> +i for Vincent and oslandia
>
> it's a good practice to advice to avoid duplicate work!
>

True!
It was used just a few times, but there is a WIP (Work in Progress)
annoucement process in QGIS. For the record, just launch a thread in qgis
dev mailing list to advertise your work with a [WIP] tag int thread title.
Cheers
Régis
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Re: [Qgis-user] Profile section digitising

[Luigi Pirelli]

+i for Vincent and oslandia

it's a good practice to advice to avoid duplicate work!

btw, there is an interesting PR by Alvaro Huarte related with multiple
map canvas... IMHO can be a good generic platform (if extended) to be
a container for vertical profiles, or whatever in a different
projection... or simply use webview annotations.

cheers
Luigi Pirelli

**
* Boundless QGIS Support/Development: lpirelli AT boundlessgeo DOT com
* LinkedIn: https://www.linkedin.com/in/luigipirelli
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* Mastering QGIS:
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**


On 13 September 2016 at 08:10, Vincent Picavet (ml)
 wrote:
> Hi Lester,
>
> On 12/09/2016 15:49, Lester Anderson wrote:
>> I was wondering if anyone had advice or ideas about digitising profile
>> data (say on a geological cross-section) that is referenced to a
>> polyline in the project,
>
> We at Oslandia are currently developping just that.
> It will be available later this year or january 2017 at the latest.
> Please be a bit patient.
> Do not hesitate to ask if you want further information, Vincent Mora
> will be able to answer your questions.
>
> Regards,
>
> Vincent
>>
>> Thanks
>> Lester
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Re: [Qgis-user] Profile section digitising

[Vincent Picavet (ml)]

Hi Lester,

On 12/09/2016 15:49, Lester Anderson wrote:
> I was wondering if anyone had advice or ideas about digitising profile
> data (say on a geological cross-section) that is referenced to a
> polyline in the project,

We at Oslandia are currently developping just that.
It will be available later this year or january 2017 at the latest.
Please be a bit patient.
Do not hesitate to ask if you want further information, Vincent Mora
will be able to answer your questions.

Regards,

Vincent
> 
> Thanks
> Lester
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Re: [Qgis-user] Profile section digitising

[Nicolas Cadieux]

Hi,
It has a few dependencies that need to be installed first. I did not have the 
patience to try it out yet. Keep me posted on this.
Nicolas

Envoyé de mon iPad

> Le 12 sept. 2016 à 15:47, John Harrop-3 [via OSGeo.org] 
>  a écrit :
> 
> Nicholas,
> 
> No I have not!  Must have missed it searching on geology.
> 
> I will take a look, Thanks!
> 
> John Harrop
> VP Exploration
> International Lithium Corp
> 
>> On Sep 12, 2016, at 4:44 PM, Nicolas Cadieux <[hidden email]> wrote:
>> 
>> Hi,
>> There is a stratigraphy section in this plugin. It's made for archaeology.  
>> I have been meaning to try this for a while now.  Have you both looked at it?
>> Nicolas
>> 
>> 
>> https://plugins.qgis.org/plugins/pyarchinit/
>> 
>> Envoyé de mon iPad
>> 
>>> Le 12 sept. 2016 à 15:25, John Harrop-3 [via OSGeo.org] <>> href="x-msg://13/user/SendEmail.jtp?type=node&node=5285392&i=0" 
>>> target="_top" rel="nofollow" link="external" class="">[hidden email]> a 
>>> écrit :
>>> 
>>> Lester,
>>> 
>>> I’ve worked on that a number of times and on different GIS packages.  
>>> Usually the simple solution is to generate a profile using an arbitrate 
>>> projection system - essentially creating another map, and then adding a 
>>> frame with that map into the main layout/map your are building in composer. 
>>>  You might need to use some pseudo coordinates like the projection your 
>>> plan is in to make is simpler.  This can be helpful when your sections are 
>>> N-S or E-W and then the elevation is an offset from the northing (or 
>>> easting)
>>> 
>>> Having said that, we are looking at the possibility of supporting an 
>>> extension to QGIS that would develop into an open source section and drill 
>>> hole package.  Adding that to QGIS will make it very attractive to many 
>>> kinds of geological work.  We estimate that the cost of supporting the 
>>> initial work will be not much different than a few commercial licences for 
>>> … something else.
>>> 
>>> Please let me know if this makes enough sense or you need other 
>>> suggestions.  Or if you are interested in geological plugging for QGIS as 
>>> well!
>>> 
>>> Regards,
>>> 
>>> John Harrop
>>> VP Exploration
>>> International Lithium Corp
>>> 
>>> 
>>> 
>>> 
 On Sep 12, 2016, at 10:49 AM, Lester Anderson <>>> href="x-msg://13/user/SendEmail.jtp?type=node&node=5285387&i=0" 
 target="_top" rel="nofollow" link="external" class="">[hidden email]> 
 wrote:
 
 Hello all,
 
 I was wondering if anyone had advice or ideas about digitising profile
 data (say on a geological cross-section) that is referenced to a
 polyline in the project,
 
 Thanks
 Lester
 ___
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 List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
 Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user
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>> 
>> View this message in context: Re: Profile section digitising
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Re: [Qgis-user] Profile section digitising

[John Harrop]

Nicholas,

No I have not!  Must have missed it searching on geology.

I will take a look, Thanks!

John Harrop
VP Exploration
International Lithium Corp

> On Sep 12, 2016, at 4:44 PM, Nicolas Cadieux  
> wrote:
> 
> Hi,
> There is a stratigraphy section in this plugin. It's made for archaeology.  I 
> have been meaning to try this for a while now.  Have you both looked at it?
> Nicolas
> 
> 
> https://plugins.qgis.org/plugins/pyarchinit/ 
> 
> 
> Envoyé de mon iPad
> 
> Le 12 sept. 2016 à 15:25, John Harrop-3 [via OSGeo.org ] 
> <[hidden email] > a 
> écrit :
> 
>> Lester,
>> 
>> I’ve worked on that a number of times and on different GIS packages.  
>> Usually the simple solution is to generate a profile using an arbitrate 
>> projection system - essentially creating another map, and then adding a 
>> frame with that map into the main layout/map your are building in composer.  
>> You might need to use some pseudo coordinates like the projection your plan 
>> is in to make is simpler.  This can be helpful when your sections are N-S or 
>> E-W and then the elevation is an offset from the northing (or easting)
>> 
>> Having said that, we are looking at the possibility of supporting an 
>> extension to QGIS that would develop into an open source section and drill 
>> hole package.  Adding that to QGIS will make it very attractive to many 
>> kinds of geological work.  We estimate that the cost of supporting the 
>> initial work will be not much different than a few commercial licences for … 
>> something else.
>> 
>> Please let me know if this makes enough sense or you need other suggestions. 
>>  Or if you are interested in geological plugging for QGIS as well!
>> 
>> Regards,
>> 
>> John Harrop
>> VP Exploration
>> International Lithium Corp
>> 
>> 
>> 
>> 
>>> On Sep 12, 2016, at 10:49 AM, Lester Anderson <[hidden email] 
>>> > wrote:
>>> 
>>> Hello all,
>>> 
>>> I was wondering if anyone had advice or ideas about digitising profile
>>> data (say on a geological cross-section) that is referenced to a
>>> polyline in the project,
>>> 
>>> Thanks
>>> Lester
>>> ___
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>>> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user 
>>> 
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>> 
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>>  
>> 
>> To start a new topic under Quantum GIS - User, email [hidden email] 
>>  
>> To unsubscribe from Quantum GIS - User, click here 
>> .
>> NAML 
>> 
> View this message in context: Re: Profile section digitising 
> 
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>  at 
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Re: [Qgis-user] Profile section digitising

[Nicolas Cadieux]

Hi,
There is a stratigraphy section in this plugin. It's made for archaeology.  I 
have been meaning to try this for a while now.  Have you both looked at it?
Nicolas


https://plugins.qgis.org/plugins/pyarchinit/

Envoyé de mon iPad

> Le 12 sept. 2016 à 15:25, John Harrop-3 [via OSGeo.org] 
>  a écrit :
> 
> Lester,
> 
> I’ve worked on that a number of times and on different GIS packages.  Usually 
> the simple solution is to generate a profile using an arbitrate projection 
> system - essentially creating another map, and then adding a frame with that 
> map into the main layout/map your are building in composer.  You might need 
> to use some pseudo coordinates like the projection your plan is in to make is 
> simpler.  This can be helpful when your sections are N-S or E-W and then the 
> elevation is an offset from the northing (or easting)
> 
> Having said that, we are looking at the possibility of supporting an 
> extension to QGIS that would develop into an open source section and drill 
> hole package.  Adding that to QGIS will make it very attractive to many kinds 
> of geological work.  We estimate that the cost of supporting the initial work 
> will be not much different than a few commercial licences for … something 
> else.
> 
> Please let me know if this makes enough sense or you need other suggestions.  
> Or if you are interested in geological plugging for QGIS as well!
> 
> Regards,
> 
> John Harrop
> VP Exploration
> International Lithium Corp
> 
> 
> 
> 
>> On Sep 12, 2016, at 10:49 AM, Lester Anderson <[hidden email]> wrote:
>> 
>> Hello all,
>> 
>> I was wondering if anyone had advice or ideas about digitising profile
>> data (say on a geological cross-section) that is referenced to a
>> polyline in the project,
>> 
>> Thanks
>> Lester
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Re: [Qgis-user] Profile section digitising

[John Harrop]

Lester,

I’ve worked on that a number of times and on different GIS packages.  Usually 
the simple solution is to generate a profile using an arbitrate projection 
system - essentially creating another map, and then adding a frame with that 
map into the main layout/map your are building in composer.  You might need to 
use some pseudo coordinates like the projection your plan is in to make is 
simpler.  This can be helpful when your sections are N-S or E-W and then the 
elevation is an offset from the northing (or easting)

Having said that, we are looking at the possibility of supporting an extension 
to QGIS that would develop into an open source section and drill hole package.  
Adding that to QGIS will make it very attractive to many kinds of geological 
work.  We estimate that the cost of supporting the initial work will be not 
much different than a few commercial licences for … something else.

Please let me know if this makes enough sense or you need other suggestions.  
Or if you are interested in geological plugging for QGIS as well!

Regards,

John Harrop
VP Exploration
International Lithium Corp




> On Sep 12, 2016, at 10:49 AM, Lester Anderson  wrote:
> 
> Hello all,
> 
> I was wondering if anyone had advice or ideas about digitising profile
> data (say on a geological cross-section) that is referenced to a
> polyline in the project,
> 
> Thanks
> Lester
> ___
> Qgis-user mailing list
> Qgis-user@lists.osgeo.org
> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user

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[Qgis-user] Profile section digitising

[Lester Anderson]

Hello all,

I was wondering if anyone had advice or ideas about digitising profile
data (say on a geological cross-section) that is referenced to a
polyline in the project,

Thanks
Lester
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