IC GS Introduction to the Informatics and Data Aspects John Broome (Canada) J. Broome, Mar.

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Transcript IC GS Introduction to the Informatics and Data Aspects John Broome (Canada) J. Broome, Mar.

Slide 1

IC GS

Introduction to the Informatics
and Data Aspects
John Broome (Canada)

1
J. Broome, Mar. 2007


Slide 2

Contents
1.
2.
3.
4.
5.
6.

Requirements analysis
Geological map data
Standards/Technology
Architectures
What are the challenges?
Summary
2


Slide 3

What is OneGeology?
A project to make web-accessible the best
available geological map data worldwide
at a scale of about 1:1 million,
as a Geological Survey contribution to the
International Year of Planet Earth

3


Slide 4

What is OneGeology?
A project to make web-accessible the best
available geological map data worldwide
at a scale of about 1:1 million,
as a Geological Survey contribution to the
International Year of Planet Earth

4


Slide 5

Contents
1.
2.
3.
4.
5.
6.

Requirements analysis
Geological map data
Standards/Technology
Architectures
What are the challenges?
Summary
5


Slide 6

Requirements Analysis #1
What are the technical requirements of OneGeology?

1. Receive and integrate diverse geological
coverages.
2. Manage digital map data and metadata
3. Deliver meaningful and consistent geological
map data online.
6


Slide 7

Requirements Analysis #1
What are the technical requirements of OneGeology?

1. Access and integrate diverse geological
coverages.
2. Manage digital map data and metadata
3. Deliver meaningful and consistent geological
map data online.
7


Slide 8

Requirements Analysis #1
What are the technical requirements of OneGeology?

1. Access and integrate diverse geological
coverages.
2. Manage digital map data and metadata
3. Deliver meaningful and consistent geological
map data online.
8


Slide 9

Requirements Analysis #1
What are the technical requirements of OneGeology?

1. Access and integrate diverse geological
coverages.
2. Manage digital map data and metadata
3. Deliver meaningful and consistent geological
map data online.
9


Slide 10

Requirements Analysis #2
What are other requirements of OneGeology?

1. Accommodate participants with differing
technical capabilities and resources.
2. Transfer technology and standards know-how.
3. Be sustainable for the future.
10


Slide 11

Requirements Analysis #2
What are other requirements of OneGeology?

1. Accommodate participants with differing
technical capabilities and resources.
2. Transfer technology and standards know-how.
3. Be sustainable for the future.
11


Slide 12

Requirements Analysis #2
What are other requirements of OneGeology?

1. Accommodate participants with differing
technical capabilities and resources.
2. Transfer technology and standards know-how.
3. Be sustainable for the future.
12


Slide 13

Requirements Analysis #2
What are other requirements of OneGeology?

1. Accommodate participants with differing
technical capabilities and resources.
2. Transfer technology and standards know-how.
3. Be sustainable for the future.
13


Slide 14

Contents
1.
2.
3.
4.
5.
6.

Requirements analysis
Geological map data
Standards/Technology
Architectures
What are the challenges?
Summary

14


Slide 15

Geological Map Data
How will the data delivered by OneGeology be
organized and formatted ?

1. Image format :
• Raster images
• paper map scans
2. Vector Format:
• Geological units : polygons & attributes
• Faults : vectors/lines & attributes
• locations : points & attributes
15


Slide 16

Workshop Consultation Results
What data/maps do workshop participants have ?
Only paper maps available

11%

Raster data available

52%

Vector data available

72%

Fees charged for maps/data

25%

Vector data available online

28%

Raster data available online

35%

(accuracy +/- 15%)

16


Slide 17

Workshop Consultation Results
What data/maps do workshop participants have ?
Only paper maps available
Raster data available

11%
52%

Vector data available

72%

Fees charged for maps/data

25%

Vector data available online

28%

Raster data available online

35%

(accuracy +/- 15%)

17


Slide 18

Workshop Consultation Results
What data/maps do workshop participants have ?
Only paper maps available

11%

Raster data available

52%

Vector data available

72%

Fees charged for maps/data

25%

Vector data available online

28%

Raster data available online

35%

(accuracy +/- 15%)

18


Slide 19

Contents
1.
2.
3.
4.
5.
6.

Requirements analysis
Geological map data
Standards/Technology
Architectures
What are the challenges?
Summary

S

19


Slide 20

Standards/Technology
Formats, models, systems, projections, hardware,
software, etc ...?

1. The technology is available.
standard-based, open vs. commercial

2. Standards are essential for understanding &
interoperability
1. Geoscience standards: Age?, Lithology?,
Stratigraphy?
2. Data model < = > Conceptual Geology model
3. Exchange Formats: OGC, GML, GeoSciML?
4. Online access: WMS, WFS, WCS, etc.
5. Terminology : multiple languages?

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Slide 21

“Schematic interoperability” means:
Data in a common data format and structure without
harmonizing the content and interpretation between
territories.


This approach avoids the requirement to agree upon
a single interpretation and legend and will allow
delivery of geological coverage for any area of the
world.



However: OneGeology will likely contain national
"boundary faults" caused by data not being
harmonized.

21


Slide 22

Contents
1.
2.
3.
4.
5.
6.

Requirements analysis
Geological map data
Standards/Technology
Architectures
What are the challenges?
Summary

22


Slide 23

Architectures
Where will the data flow from the source to the user and
how will it be managed ?

Some Options :
a) Distributed model
b) Centralized model
c) Hybrid model
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Slide 24

Architecture Models: 3 parts

OneGeology
Data
Delivery

OneGeology
Portal

Geology
Coverage
Data
Sources

24


Slide 25

Links and Translation
Translation

S
OneGeology
Data
Access

S

OneGeology
Portal

Geology
Coverage
Data
Sources

= standard OneGeology online
data transfer/access

25


Slide 26

Access to participant data/maps
Translation

S
OneGeology
Data
Access

OneGeology
Portal

Geology
Coverage
Data
Sources

26


Slide 27

Access to Participant Data/Maps
How nations provide OneGeology with access to their data
will depend on the Architecture model selected.

Options:

Translati
on

(1)
OneGeology
Data
Access

S

(2)
OneGeology
Data
Management

a) Scan of paper map
b) Raster map
c) Vector map file (ESRI, Intergraph, etc.)
d) GeoSciML file
e) Online map service (WMS, WFS, etc. )
f ) ???????????????

(3)
Geology
Coverage
Data
Sources

27


Slide 28

Data Delivery to Users
Translation

S
OneGeology
Data
Access

OneGeology
Portal

Geology
Coverage
Data
Sources

28


Slide 29

Data Delivery to Users
How will OneGeology deliver
geological information to the world?

Translati
on

S
OneGeology
Data
Access

OneGeology
Data
Management

Geology
Coverage
Data
Sources

Options:
1. A searchable on-line catalogue of geology
maps/data with links to data/images?
2. Downloadable/viewable images of geology ?
3. Downloadable/viewable geology vector files ?
4. Web data services (WMS, WFS) using a
standard format/structure ? (GeoSciML?)
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Slide 30

a) Distributed Architecture Model
Participants manage their data locally and make it
accessible online for delivery through the OneGeology
Web Server
WEB
SERVER

S
USER

WEB
SERVER

S
S

S
WEB
SERVER

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Slide 31

b) Centralized Architecture Model
Participants submit their data for loading into a
OneGeology Database which delivers it online through the
OneGeology Web Server.
1G
DATABASE

USER

S

S

31


Slide 32

c) Hybrid Architecture Model
Data are managed either locally or in the OneGeology
Database for delivery via the OneGeology Web Site.
1G
DATABASE

S
USER

WEB
SERVER

S

32


Slide 33

Contents
1.
2.
3.
4.
5.
6.

Requirements analysis
Geological map data
Standards/Technology
Architectures
What are the challenges?
Summary

33


Slide 34

7) What are the technical challenges?
What challenges must OneGeology address ?

1. Participants with a wide range of know-how and
resources.
2. Integration of maps/data with very different
format, content, and structure.
3. Delivering geological information that can be
understood by non-specialists from highly
technical data.
4. Establishment of dependable systems that
deliver OneGeology data in real time.
34


Slide 35

Contents
1.
2.
3.
4.
5.
6.

Requirements analysis
Geological map data
Standards/Technology
Architectures
What are the challenges?
Summary
35


Slide 36

Summary

Key points to remember ?

The proposed OneGeology technical approach will:






Accommodate the needs of all participants.
Deliver structurally-consistent geological data online.
NOT require scientific harmonization of geology.
Place importance on the transfer of technology.
Allow participants to provide access to their data in
whatever form they have.
• Technology is available to meet OneGeology
36
requirements.