[auscope-geosciml] SeparationValue [SEC=UNCLASSIFIED]

Oliver.Raymond at ga.gov.au Oliver.Raymond at ga.gov.au
Tue May 24 20:25:48 EDT 2011


Bruce, Steve,

It was too much for me to expect that this could be a simple ‘yes’ or ‘no’ answer….   ;)

As this has the potential to blow out into a wider issue than my original question, I think we might leave this one to version 4.  I’ve got to give the model now to Francois for FullMoon.

Cheers,
Ollie

_______________________________________________________________________

Ollie Raymond

Project Leader
National Geological Maps and Data Standards Project<http://www.ga.gov.au/minerals/projects/current-projects/geological-maps-standards.html>
Geoscience Australia

Interoperability Working Group<https://www.seegrid.csiro.au/wiki/bin/view/CGIModel/InteroperabilityWG>
IUGS Commission for the Management and Application of Geoscience Information

Address: GPO Box 378, Canberra, ACT, 2601, Australia | ABN: 80 091 799 039
Ph: +61 2 62499575  |  Fax: +61 2 62479992  |  Email: oliver.raymond at ga.gov.au<mailto:oliver.raymond at ga.gov.au>  |  Google Map<http://maps.google.com/maps?f=q&hl=en&geocode=&q=canberra+australia&ie=UTF8&ll=-35.344028,149.158362&spn=0.007684,0.016404&t=h&z=17&iwloc=addr&om=1>
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________________________________
From: auscope-geosciml-bounces at lists.arcs.org.au [mailto:auscope-geosciml-bounces at lists.arcs.org.au] On Behalf Of Bruce.Simons at dpi.vic.gov.au
Sent: Monday, 23 May 2011 12:04 PM
To: auscope-geosciml at lists.arcs.org.au
Subject: Re: [auscope-geosciml] SeparationValue [SEC=UNCLASSIFIED]

Separation is a vector sensu stricto so I think Steve is right that the data type of CGI_Vector (didn't we change this to swe:Vector?) should not change for gsml:separation.

The question is whether we would want to deliver a magnitude and a 'separationType' when the plunge and trend are unknown.

The MovementSenseTerm could be used for 'separationType', but should these terms also be applied to  NetSlipValues and SlipComponents?

'horizontal separation',
'dextral horizontal separation',
'sinistral horizontal separation',
'vertical separation'
'reverse separation',
'normal separation',
'stratigraphic separation'

 And if we go down this path whether the constraint on CGI_LinearOrientation ("At least one of plunge or trend should not be nil") should be lifted?

----------------------------------------------------
Bruce Simons
Senior Information Geoscientist
IUGS-Commission for Geoscience Information Oceania Councillor
GeoScience Victoria/Australian Spatial Research Data Commons
Level 9, 55 Collins St
PO Box 4440
Melbourne, Victoria, 3001
Australia

Ph: +61-3-9658 4502
Fax: +61-3-9658 4555
Mobile: +61 429 177155



From:        "Stephen Richard" <steve.richard at azgs.az.gov>
To:        <auscope-geosciml at lists.arcs.org.au>
Date:        21/05/2011 05:59 AM
Subject:        Re: [auscope-geosciml] SeparationValue [SEC=UNCLASSIFIED]
Sent by:        auscope-geosciml-bounces at lists.arcs.org.au
________________________________



Separation is a vector in the same sense that apparent dip is a vector—it’s the distance between offset segments of a surface *measured in some particular direction* (horizontal, vertical in the simplest cases…)
steve

Stephen M. Richard
Arizona Geological Survey
416 W. Congress St., #100
Tucson, Arizona, 85701   USA
phone: 520 209-4127
AZGS Main: (520) 770-3500.  FAX: (520) 770-3505
email: steve.richard at azgs.az.gov

From: auscope-geosciml-bounces at lists.arcs.org.au [mailto:auscope-geosciml-bounces at lists.arcs.org.au] On Behalf Of Oliver.Raymond at ga.gov.au
Sent: Thursday, May 19, 2011 11:42 PM
To: auscope-geosciml at lists.arcs.org.au
Subject: [auscope-geosciml] SeparationValue [SEC=UNCLASSIFIED]

Hi Bruce

Just cleaning up the last little bits on the model so we can generate a new set of schemas.  I noticed this outstanding GeoSciML Trac job (#2) of yours….

For ShearDisplacementStructures?<https://projects.arcs.org.au/trac/geosciml/wiki/ShearDisplacementStructures> the UML has: SeparationValue:separation = reported apparent offset of planar feature, report as vector.

However separation in the Geology Glossary (Bates & Jackson) has:
"The distance between any two parts of an index plane disrupted by a fault (also horizontal separation; vertical separation; vertical separation)". This is not really a CGI_Vector datatype, but a magnitude with (apparent) separation type.

I suggest for GeoSciML version RC3.0 we replace the SeparationValue:separation property with SeparationValue:magnitude (data type CGI_NumericRange) and add a property SeparationValue:separationType with a data type SeparationTypeCode?<https://projects.arcs.org.au/trac/geosciml/wiki/SeparationTypeCode> with a CodeList?<https://projects.arcs.org.au/trac/geosciml/wiki/CodeList> of:
'horizontal separation',
'dextral horizontal separation',
'sinistral horizontal separation',
'vertical separation'
'reverse separation',
'normal separation',
'stratigraphic separation'
No problems to change the CGI_Vector to a magnitude.

Question:  Is the MovementSense attribute on the parent DisplacementValue class not already sufficient to describe your proposed SeparationType?
[cid:image001.jpg at 01CC1AB7.9D4FECE0]

Cheers,
Ollie


_______________________________________________________________________

Ollie Raymond

Project Leader
National Geological Maps and Data Standards Project<http://www.ga.gov.au/minerals/projects/current-projects/geological-maps-standards.html>
Geoscience Australia

Interoperability Working Group<https://www.seegrid.csiro.au/wiki/bin/view/CGIModel/InteroperabilityWG>
IUGS Commission for the Management and Application of Geoscience Information

Address: GPO Box 378, Canberra, ACT, 2601, Australia | ABN: 80 091 799 039
Ph: +61 2 62499575  |  Fax: +61 2 62479992  |  Email: oliver.raymond at ga.gov.au<mailto:oliver.raymond at ga.gov.au>  |  Google Map<http://maps.google.com/maps?f=q&hl=en&geocode=&q=canberra+australia&ie=UTF8&ll=-35.344028,149.158362&spn=0.007684,0.016404&t=h&z=17&iwloc=addr&om=1>
_______________________________________________________________________

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