3D GeoModeller Operations
Contents
1. Using the Introduction to the Points List in 3D GeoModeller Reference mark either one point a position only or two points defining position and strike direction on the map view or in a section e Click the Create geology orientation data button on the 2D Viewer s toolbar See also Structural data in 3D GeoModeller Reference 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt GeoModeller User Manual 3D GeoModeller Operations 9 Contents Help Top q Back gt Fit a plane to Points create orientation data Parent topic Access Structural data 2D Viewer Toolbar Fit a plane to Points Button This button computes the dip and the dip direction of a plane fitted through several points This is useful when you have outcrops of a formation or the limits of this formation on the DTM but have no strike and dip measurements For this computation 3D GeoModeller fits a plane representing the average geological surface through the listed points The resulting orientation value dip direction and dip can be used to create new orientation data either at all of the Points or at a single point defined either by inputting coordinates or using the Current Point of the Introduction to the Points List in 83D GeoModeller Reference In both cases the selected points used for the calculation or the single point to be assigned the result are transformed into orientati2. Structural data Access 2D Viewer Toolbar Create geology data Button When you have geology contacts or interfaces or fault locations known from outcrops etc you can input these geology observations on the map view or ina section view These data will then be used together with other structural data to compute the 3D geometrical model You can input geology data points either one by one or as a group of data points provided that all points belong to a single geology surface such as the top of a formation or a specific fault To create geology data points Using the Introduction to the Points List in 3D GeoModeller Reference mark one or more points to define the position of a given geology feature on the map view or 1n a section e Click the Create geology data button y on the 2D Viewer s toolbar See also Structural data in 3D GeoModeller Reference Create geology orientation structural data Parent topic Structural data Contents Top Access 2D Viewer Toolbar Create geology orientation data Button You can input or edit geology orientation data on a map view or in a section This information will be used together with other structural and geology data to compute the 3D geometrical model Geology orientation data are input individually one dip strike point at a time To create geology orientation structural data dips and strikes as orientation data points
3. from its trace you must first draw the trace of the required section line on topographic surface or in another section view using the Introduction to the Points List in 3D GeoModeller Reference Notes In a 2D Viewer a section is presented in its 2D space True along line distances are preserved the section is not projected onto the 2D Viewer plane This transformation implies a change of coordinate system x y z to u v By default the coordinates of the 1st point of the trace of the section in 2D space are fixed at u 0 and v z l e v z its height or RL Note u is the section s x axis v is the section s y axis typically a height axis In the dialog for the creation of a section you can modify the coordinates for this section origin point Once the section has been created however no further modification is allowed See also Sections in 8D GeoModeller Reference Import geology Parent topic 3D Access GeoModell ia 2D Viewer Pop up Menu Import The import function allows you to import geology and structural data or other geological entities into the 2D space of a section or the map view Data can be imported from Mif Mid data exchange files G e MapInfo Mif Mid or from comma separated variables csv files See also Structural data in 3D GeoModeller Reference Input geology Parent topic 3D GeoModeller Operations Contents Top The inputting of geology on the map or in se
4. GeoModeller User Manual Contents Help Top 3D GeoModeller Operations This manual contains instructions for all essential 3D GeoModeller operations Parent topic 3D GeoModeller User Manual and Tutorials Contents Top In this section Create a project Manage geology formations Create the geological pile Create faults Create axial series Link faults with geology series Create axial surfaces Define a network of faults Define the topographic surface Create a section Import geology Input geology Import drillholes Compute the 8D model Plot the model in a section Build 3D shapes of model geology Structural data e Create geology data e Create geology orientation structural data e Fit a plane to Points create orientation data e Create axial surface orientation data e Create axial surface data axial traces e Create hinge line data 3D GeoModeller Operations 1 4 Back gt 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt GeoModeller User Manual 3D GeoModeller Operations 2 Contents Help Top q Back gt Create a project Parent topic 3D GeoModeller Operations Contents Top Access Main Menu Project New To create a new project is to define the 3D work space within which you will manage the geology map the sections and all the other elements that will be used in the construction of the 3D model Complete the parameter fields accor
5. ctions consists of creating the Structural data in 3D GeoModeller Reference geology data contacts and fault locations geology orientation data fold axial surface data axial traces axial surface orientation data locally the axial plane and hingelines which will be used to compute the 3D model e Create geology data e Create geology orientation structural data e Create axial surface data axial traces e Create axial surface data axial traces e Create hinge line data 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt GeoModeller User Manual 3D GeoModeller Operations 7 Contents Help Top q Back gt Import drillholes Parent topic 3D Access anne Main Menu Drillholes Import GDM Main Menu Drillholes Import ASCII Two types of drillhole data file formats can be imported into 3D GeoModeller GDM a BRGM in house file format or ASCII See also Drillholes in 3D GeoModeller Reference Compute the 3D model Parent topic 3D Access GeoModeller Operations Main Menu Model Compute Having created or loaded geology data and geology orientation data faults fold axial data you can compute the 3D geometrical model See also The 3D model in 3D GeoModeller Reference Plot the model in a section Parent topic 3D Access GeoModeller l Operations 2D Viewer Toolbar Plot the model Button J Having computed the 3D model you can plot render or draw the m
6. ding to the details of your project The new project also defines the structure within which you gather together all of the input data and the various outputs built from the computed model section plots of model geology 3D shapes etc All of these data objects of the project are managed in a tree structure which is presented in a special window the The Project Explorer in 3D GeoModeller Reference Notes 3D GeoModeller can have only one project open at a time If you want to save a version of your project or to work on a new project save your current project work before loading the next one The projects extents the bounding box is modifiable as long as a topographic surface has not been defined Once a topographic surface is defined the topographic surface cannot be modified and the bounding volume is fixed See also The project in 3D GeoModeller Reference 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt GeoModeller User Manual 3D GeoModeller Operations 3 Contents Help Top q Back gt Manage geology formations Parent topic 3D You can GeoModeller Operations e Create geology formations e Edit geology formations e Delete geology formations Create geology formations Parent topic gt gt To create geology formations Manage geology Se o 1 From the main menu choose Geology gt Formations gt Create or Edit The Create or edit geology formations dialog bo
7. ic 3D Access GeoModeller Operations Main Menu Geology Pile Create Edit e Set the Reference Top Bottom of the pile G e specify that geology data points will define the Top of a geology formation or the Bottom of the formation e Using the geology formations previously defined group formations into geology series and assemble these series into the geological pile for the project Formations and series must be arranged in their correct stratigraphic order from the oldest at the bottom of the pile to the youngest strata at the top For each series specify the Relationship to older series to be either OnLap or Erode Defined on the basis of observed rock relationships in the field conformable contracts unconformities intrusive contacts etc See also The geological pile in 3D GeoModeller Reference Create faults Parent topic 3D GeoModeller Operations Access Main Menu Geology Faults Create Edit Input the name of the fault e Choose its colour by clicking in the coloured zone The RGB tab on the colour pallet allows you to set a specific colour by choosing numerical RGB value See also Geology data in 3D GeoModeller Reference Create a network of faults in 3D GeoModeller Reference Create axial series Parent topic 3D GeoModeller Operations Contents Top Access Main Menu Geology Folds Axial series Create Edit Input the name of the a
8. odel geology on the topographic surface map or any other section In effect this plot is simply the intersection between the mathematical model and the selected map or section See also The 3D model in 3D GeoModeller Reference Build 3D shapes of model geology Parent topic 3D Access GeoModell ae Main Menu Model Build 3D shapes Having computed a mathematical model from the geology and structural data of your project you can build various forms of 3D shapes of the model geology for each of the formations of the project When built these 3D shapes will be rendered in the The 3D Viewer in 3D GeoModeller Reference The displayed shapes will vary according to the type of 83D shape built 3D Volumes for example will be rendered as closed volumes for each formation each defined by triangulated surfaces See also The 3D model in 3D GeoModeller Reference Contents Top 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt GeoModeller User Manual 3D GeoModeller Operations 8 Contents Help Top 4q Back gt Structural data Parent topic 3D GeoModeller Operations In this section Create geology data e Create geology orientation structural data e Fit a plane to Points create orientation data e Create axial surface orientation data e Create axial surface data axial traces e Create hinge line data Create geology data Parent topic
9. on data identical to any other measured orientation data point See also Structural data in 3D GeoModeller Reference Create axial surface orientation data Parent topic Access Structural data l l l l 2D Viewer Toolbar Create axial surface orientation data Button You can create or edit axial surface orientation data measurements of the axial plane on a map or a section view This information will be used together with other structural and geology data to compute the 3D geometrical model Axial surface orientation data are created one point at a time To define axial surface orientation data locally an axial plane e With the Introduction to the Points List in 83D GeoModeller Reference place a single point for position only or two points for position and direction on the map or section vlew e Click the Create axial surface orientation data button Y on the 2D Viewer Toolbar See also Structural data in 3D GeoModeller Reference Contents Top 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt GeoModeller User Manual 3D GeoModeller Operations 10 Contents Help Top 4q Back gt Create axial surface data axial traces Parent topic Structural data Access 2D Viewer Toolbar Create axial surface data Axial traces Button 4 When you know from outcrop the trace of a fold axis you can input this on a map or a section view This information
10. ts Link faults with faults With this function you can specify that one fault stops on another Using the table you can define a network of faults See also Geology data in 3D GeoModeller Reference Create faults Define the topographic surface Parent topic 3D GeoModeller Operations Contents Top Access Main Menu Topography from a DTM using an ASCII file in File Formats Grids in 8D GeoModeller Reference Main Menu Topography from a GDM erid File Formats Grids in 3D GeoModeller Reference is a BRGM internal grid file format Main Menu Topography by a horizontal plane if you want a simple horizontal planar topography at a specified elevation or RL The topographic surface is essential in a project It defines the upper limit of the 3D geology model the geology map for your project area is created from the intersection of this topographic surface and the mathematical 3D model 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt GeoModeller User Manual 3D GeoModeller Operations 6 Contents Help Top q Back gt Create a section Parent topic 3D Access GeoModell l NA es 2D Viewer Pop up Menu Create a section From its trace if you defined its trace on the topography or in another section using the Points List e 2D Viewer Pop up Menu Create a section Horizontal if you want to create a horizontal planar section To create a section
11. will be used together with other structural and geology data to compute the 3D geometrical model To create axial surface data an axial trace e With the Introduction to the Points List in 3D GeoModeller Reference input the points defining the position of the fold axis on the map or section view e Click the Create axial surface data Axial traces button on the 2D Viewer s toolbar See also Structural data in 3D GeoModeller Reference Create hinge line data Parent topic Structural data Contents Top Access 2D Viewer Toolbar Create hinge line data Button 44 When you know from outcrop the hinge line of a fold you can input this on a map or a section view This information will be used together with other structural and geology data to compute the 3D geometrical model To create a hinge line e With the Introduction to the Points List in 83D GeoModeller Reference input points which define the hinge line on the map or a section view e Click the Hinge line button 5 on the 2D Viewer s toolbar See also Structural data in 3D GeoModeller Reference 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt
12. x appears Enter the name of the geology formation in the Name field Select the colour for the formation Click the Colour field and select the colour from the Colour palette dialog box Choose Add Repeat steps 2 5 as required Choose Close Edit geology formations Parent topic gt gt To edit geology formations Manage geology a ce 1 From the main menu choose Geology gt Formations gt Create or Edit The Create or edit geology formations dialog box appears Select click the formation that you want to edit Choose Attributes to edit the attributes of the formation Use the Edit geological formation attributes dialog box 4 Choose Appearance to edit the appearance of the formation Use the Appearance of an object dialog box 5 Repeat steps 2 4 as required 6 Choose Close Delete geology formations Parent topic gt gt To delete geology formations Manage geology ivedik inne 1 From the main menu choose Geology gt Formations gt Create or Edit The Create or edit geology formations dialog box appears Select click the formation that you want to delete Choose Delete Confirm that you want to delete the formation Repeat steps 2 4 as required oOo oo fF W N Choose Close Contents Top 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt GeoModeller User Manual 3D GeoModeller Operations 4 Contents Help Top q Back gt Create the geological pile Parent top
13. xial series e Choose its colour by clicking in the coloured zone The RGB tab on the colour pallet allows you to set a specific colour by choosing numerical RGB values See also Create axial surfaces 2006 BRGM amp Desmond Fitzgerald amp Associates Pty Ltd 4q Back gt GeoModeller User Manual 3D GeoModeller Operations 5 Contents Help Top q Back gt Link faults with geology series Parent topic 3D GeoModeller Operations Access Main Menu Geology Link faults with series This dialog defines the influence of a fault on each series of geology formations To do this use the table and mark x to define which fault affects which series Series are defined during the process of defining the The geological pile in 3D GeoModeller Reference See also Geology data in 3D GeoModeller Reference Edit the geological pile in 3D GeoModeller Reference Create axial surfaces Parent topic 3D GeoModeller Operations Access Main Menu Geology Folds Axial surfaces Create Edit Input the name of the axial surface Choose its colour by clicking in the coloured zone The RGB tab on the colour pallet allows you to set a specific colour by choosing numerical RGB values Choose the type of fold Anticline Syncline Select the associated axial series See also Create axial series Define a network of faults Parent topic 3D GeoModeller Operations Access Main Menu Geology Faul
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