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GEOIDE Annual Conference GEOIDE Annual Conference Banff, May 2006Banff, May 2006

GeoTopo3D projectGeoTopo3D project

By Daniela By Daniela BlessentBlessentPh.D. CandidatePh.D. Candidate

Geology and Geological Engineering Department Geology and Geological Engineering Department Laval University, QuLaval University, Qu éébecbec

Student Perspective Session8th GEOIDE ConferenceD. Blessent

GeoTopo3D GeoTopo3D projectproject

Development of a 3D predictive modeling Development of a 3D predictive modeling platform for exploration, assessment and platform for exploration, assessment and efficient management of mineral, petroleum efficient management of mineral, petroleum and groundwater resourcesand groundwater resources

ResearchersResearchers�� Donna Kirkwood, Donna Kirkwood, Laval University, Qc, Geology�� JacyntheJacynthe PouliotPouliot , , Laval University, Qc, Geomatics�� RenRenéé Therrien, Therrien, Laval University, Qc, Hydrogeology�� Mir Mir MostafaviMostafavi , , Laval University, Qc, Geomatics�� Kerry Kerry MacQuarrieMacQuarrie , , University of New Brunswick,

Hydrogeology�� SongnianSongnian Li, Li, Ryerson University, On, Geomatics

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Student Perspective Session8th GEOIDE ConferenceD. Blessent

CollaboratorsCollaborators

PARTNERS: PARTNERS: Users (U) and Providers (P):Users (U) and Providers (P):�� Geological Survey of Canada (U)Geological Survey of Canada (U)�� MinistMinist èèrere des des RessourcesRessources NaturellesNaturelles et et FauneFaune dudu

QuQuéébec (U & P)bec (U & P)�� UQAT (UQAT (UniversitUniversit éé dudu QuQuéébec en bec en AbitibiAbitibi --TTéémiscaminguemiscamingue ), ),

URSTMURSTM ((UnitUnit éé de de rechercherecherche et de service en et de service en technologietechnologie

minmin ééralerale )) (U & P)(U & P)�� Mira Geosciences (U & P), Mira Geosciences (U & P), GocadGocad software and plugsoftware and plug --insins

�� Ontario Power Generation (U)Ontario Power Generation (U)

Student Perspective Session8th GEOIDE ConferenceD. Blessent

ObjectivesObjectivesTo facilitate nonTo facilitate non --specialists in 3D modeling specialists in 3D modeling through userthrough user --friendly and wellfriendly and well --organized organized workflowsworkflows

To develop workflows and expert systems To develop workflows and expert systems helping 3D helping 3D geomodelgeomodel buildingbuilding

To promote more efficient use and integration To promote more efficient use and integration of of geoscientificgeoscientific datadata

To produce new geological knowledge and To produce new geological knowledge and ensure information sharing among different ensure information sharing among different disciplines and multidisciplines and multi --partner teams (academia, partner teams (academia, industry, government)industry, government)

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Student Perspective Session8th GEOIDE ConferenceD. Blessent

GeoTopo3D: GeoTopo3D: components and contextcomponents and context

Topics Topics �� GeomodelingGeomodeling�� 3D GIS3D GIS�� 3D numerical modeling 3D numerical modeling

Ongoing projectsOngoing projects

Student Perspective Session8th GEOIDE ConferenceD. Blessent

GeomodelsGeomodels•• DevelopDevelop WorkflowsWorkflows

3D model 3D model collaborative collaborative

communication communication over the internetover the internet

3D GIS3D GIS•• Data structuresData structures

•• DBMS/standardisationDBMS/standardisation

NumericalNumericalmodelingmodeling

PhDPhD E. E. JanssensJanssensU: GSC, P: GSCU: GSC, P: GSC

PhDPhD L. HashemiU: OPG, P: Mira

MScMSc E. DesgagnéU: MRNFQ, URSTM, P: MRNFQ

MScMSc to cometo come

PhDPhD Eric ChangU: MRNFQ, URSTM, OPG

PhDPhD D. BlessentU: OPG, Mira P: GSC-Québec

PhDPhD A. Aubiès -TrouilhU: URSTM

MScMSc K. K. BBéédarddardU: URSTM, P: MRNFQU: URSTM, P: MRNFQ

MSc D. RodriguezU: URSTM, P: MRNFQ

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Student Perspective Session8th GEOIDE ConferenceD. Blessent

GeomodelingGeomodeling3D 3D GeologicalGeological ModelingModeling�� Structure of geological systems is usually Structure of geological systems is usually

unknown unknown �� To establish a new knowledge of these systems To establish a new knowledge of these systems

and their natural resourcesand their natural resources�� To To betterbetter manage manage naturalnatural resources resources

Expected resultsExpected results�� To produce new knowledge such as restored To produce new knowledge such as restored

geological modelsgeological models�� To develop workflow to analyze geological To develop workflow to analyze geological

systemssystems

Student Perspective Session8th GEOIDE ConferenceD. Blessent

From 3D From 3D geomodelgeomodel construction to QUERIESconstruction to QUERIES�� To enlarge 3D To enlarge 3D geomodelgeomodel exploitationexploitation�� To evaluate performance and usefulness of a specifi c To evaluate performance and usefulness of a specifi c

spatial relationships framework (3X3 matrix and spatial relationships framework (3X3 matrix and GeoTENGeoTENstructure) in the context of 3D structure) in the context of 3D geomodelgeomodel queryingquerying

Expected resultsExpected results�� To adapt the To adapt the GeoTENGeoTEN structure to tetrahedral modelingstructure to tetrahedral modeling�� To develop an interface (To develop an interface ( TQueryTQuery ) which couples ) which couples GocadGocad

objects with a specific DBMSobjects with a specific DBMS�� To implement several query operators (descriptive, metric To implement several query operators (descriptive, metric

and topological)and topological)�� To compare performance between classic approach of 3D To compare performance between classic approach of 3D

geomodelgeomodel analysis and analysis and TqueryTquery interfaceinterface

GeomodelingGeomodeling and 3D GISand 3D GIS

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Student Perspective Session8th GEOIDE ConferenceD. Blessent

TP_Points

TP_Curves

TP_Surfaces

TP_SolidsPointsets

Curves

Surfaces

Solids

TQuery

Importationtool

Analysistools

Exportationtool

Microsoft

SQL Server ®

GeoTENdatabase

GeomodelingGeomodeling and DBMSand DBMS

Result of the 3D Query: Result of the 3D Query:

44% of the pink calcite veins are in the mudstone a nd locat44% of the pink calcite veins are in the mudstone a nd locat ed less than 50 m ed less than 50 m from high grades copper zonesfrom high grades copper zones

TQueryTQuery interfaceinterface

Student Perspective Session8th GEOIDE ConferenceD. Blessent

GeomodelingGeomodeling and 3D GISand 3D GISFrom 2D GIS to 3D GISFrom 2D GIS to 3D GIS�� To propose an interoperable architecture based on To propose an interoperable architecture based on

geographic information standardizationgeographic information standardizationOpenGeospatialConsortiumOpenGeospatialConsortium and ISO TC 211and ISO TC 211

�� To allow integrated modeling of 3D objects (To allow integrated modeling of 3D objects ( geomodelgeomodelbuilding and querying)building and querying)

Expected resultsExpected results�� To create a clientTo create a client --server architecture based on GML server architecture based on GML

objects exchangeobjects exchange�� To develop a prototype towards integrated spatial To develop a prototype towards integrated spatial

queries of 3D objectsqueries of 3D objects�� To apply the prototype to 3D To apply the prototype to 3D geomodelsgeomodels from the from the

AbitibiAbitibi ((GocadGocad ) linked to the DB SIGEOM (Oracle)) linked to the DB SIGEOM (Oracle)

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Student Perspective Session8th GEOIDE ConferenceD. Blessent

ClientClient --ServerServer architecture of the architecture of the 3D GIS3D GIS

A catalogue

SIGEOM

Oracle

Geological data fromAbitibi

MRNFQ

Spatial data

Gocad ClientXML database

ServerApplication

Server

Apache Tomcat

Oracle spatial

10g

GML GML GML

Module of conversionGML to Gobj

JAVA <…JNI…> C++ In collaboration with T. In collaboration with T. BadardBadard, Un. Laval, Un. Laval

Student Perspective Session8th GEOIDE ConferenceD. Blessent

Numerical modeling and 3D GISNumerical modeling and 3D GISFrom 2D GIS to 3D dynamic GISFrom 2D GIS to 3D dynamic GIS�� To improve GIS capabilities for simulation and To improve GIS capabilities for simulation and

modeling of 3D dynamic phenomena modeling of 3D dynamic phenomena �� To evaluate the utility of 3D dual structure (To evaluate the utility of 3D dual structure ( VoronoiVoronoi

and Delaunay) in the context of hydrogeological and Delaunay) in the context of hydrogeological modelingmodeling

Expected resultsExpected results�� To realize a dynamic and kinetic data structure To realize a dynamic and kinetic data structure

((VoronoiVoronoi and Delaunay 3D)and Delaunay 3D)�� To To applyapply thisthis structure tostructure to transient simulations in transient simulations in

which mesh will be adapted automatically to follow which mesh will be adapted automatically to follow the fluid flow motion the fluid flow motion ((FreeFree--Lagrange Lagrange method)method)

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Student Perspective Session8th GEOIDE ConferenceD. Blessent

FromFrom 2D to 3D 2D to 3D DelaunayDelaunay --VoronoiVoronoi

VoronoiDiagram

2D

Delaunay Triangulation

3DVoronoiDiagram

Delaunay Triangulation

Student Perspective Session8th GEOIDE ConferenceD. Blessent

Numerical modeling and 3D GISNumerical modeling and 3D GISFrom experimental modeling to expert systemFrom experimental modeling to expert system�� To guide modelers and achieve high performance in t he task To guide modelers and achieve high performance in t he task

of 3D hydrogeological modelingof 3D hydrogeological modeling�� To show that the use of To show that the use of ontologiesontologies is an effective means to is an effective means to

constitute a base of established facts exploitable within the constitute a base of established facts exploitable within the framework of 3D hydrogeological models constructionframework of 3D hydrogeological models construction

�� To show the effectiveness of an expert system To show the effectiveness of an expert system

Expected resultsExpected results�� A knowledge base (expert heuristics)A knowledge base (expert heuristics)�� An ontology (conceptual framework) adapted to An ontology (conceptual framework) adapted to

hydrogeological modeling at GSChydrogeological modeling at GSC�� An expertAn expert --system prototype acting as a proof of conceptsystem prototype acting as a proof of concept�� An applicationAn application in the context of NADM (in the context of NADM ( North American North American

Geologic Map Data Model) Geologic Map Data Model) standards implementation at GSCstandards implementation at GSC

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Student Perspective Session8th GEOIDE ConferenceD. Blessent

Numerical modeling Numerical modeling -- GeomodelsGeomodelsIntegration between Integration between GeomodelsGeomodels and Numerical Modelsand Numerical Models�� GeomodelsGeomodels mesh generation is the key linkmesh generation is the key link�� To generate a mesh that capture To generate a mesh that capture GeomodelGeomodel geometry geometry

and insure accurate and stable numerical solutions and insure accurate and stable numerical solutions �� To To simulate groundwater flow and mass transportsimulate groundwater flow and mass transport�� To To apply apply GeomodelGeomodel discretizationdiscretization to other domains to other domains

(e.g. structural geology): only the numerical code will (e.g. structural geology): only the numerical code will changechange

Expected resultsExpected results

�� To To study complex geological systems (e.g. study complex geological systems (e.g. groundwater flow and contaminant transport in groundwater flow and contaminant transport in fractured media) fractured media)

�� To apply this workflow to a site (Finland) chosen t o be To apply this workflow to a site (Finland) chosen t o be a geological disposal facility for nuclear wastea geological disposal facility for nuclear waste

Student Perspective Session8th GEOIDE ConferenceD. Blessent

Numerical modeling Numerical modeling -- GeomodelsGeomodelsTo create a link between the To create a link between the GocadGocad platform and platform and HydrogeosphereHydrogeosphere (Therrien, (Therrien, MclarenMclaren , , SudickySudicky )), a 3D hydrogeological , a 3D hydrogeological numerical model for fullynumerical model for fully --integrated subsurface and surface integrated subsurface and surface flow and solute transportflow and solute transport

Mesh generation necessary to numerically solve Mesh generation necessary to numerically solve partial partial

differential equationsdifferential equations

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Student Perspective Session8th GEOIDE ConferenceD. Blessent

ConclusionsConclusionsPromote more efficient use and integration of Promote more efficient use and integration of geoscientificgeoscientific data by specialists and data by specialists and decision makers for the benefit of the decision makers for the benefit of the Canadian societyCanadian society

By using and developing of By using and developing of geomaticgeomaticmethods and tools, produce new geological methods and tools, produce new geological knowledge and ensure information sharing knowledge and ensure information sharing from academia to industry and governmentfrom academia to industry and government

ThankThank youyou for for youryour attentionattention

GeoTopo3D projectGeoTopo3D project

by D. Blessentby D. Blessent

ResearchResearch Team:Team:D. KirkwoodD. Kirkwood

J. J. PouliotPouliotR.TherrienR.Therrien

K. K. MacQuarrieMacQuarrieS. LiS. Li

M. M. MostafaviMostafavi