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Version: 3.4.8 (unreleased)

Orientation

The Orientation branch holds the structural orientation measurements — bedding, fracture, cleavage, foreset and regional planes — made with the plane-fitting and dip-meter tools or imported from file. Measurements live in groups: the group with focus (shown in bold) is the one new measurements go into, and groups are what the stereonet, DFN and surface-gridding tools work on. The first node under the branch is Attributes, the columns of the measurement table; see Attributes.

In older documentation this branch is called Plane Attitudes or Structural Measurements.

Source resources: IDR_IT_STRUCTURAL_MEASUREMENTS.

The same menu serves an individual measurement, an orientation group, and the branch header; a few entries are added only where they apply.

Context Menu​

Right-click a measurement, a group, or the Orientation branch header.

Actions​

  • Navigate To — Navigate to the item in the 3D view (ID_POPUP_ITEM_GOTO)
  • Spreadsheet — Open the selected measurements in a spreadsheet view. (ID_DEFAULTGROUP_SPREADSHEET)
  • Group — Group the selected items into a single project tree entry. (ID_PROJEXP_GROUP)
  • Ungroup — Ungroup the selected group, restoring its contents to the parent. (ID_PROJEXP_UNGROUP)
  • Set Focus — Make this the group that new measurements are added to; it is shown in bold. (ID_PLANEATTITUDEGROUP_SETFOCUS)
  • Rename — Rename the item in the project tree. (ID_ITEM_RENAME)
  • Create DFN from Selected Groups — Build a new DFN from the selected orientation groups: fits Fisher mean/K per group and a power-law/lognormal/exponential length distribution, then generates fractures over the project map limits. See the DFN user guide. (ID_DFN_CREATEFROMORIENTATIONS)
  • Convert to Regular Grid (2.N D Grid) — (orientation groups) Interpolate a triangulated surface through the group's measurements by kriging, honouring each dip/dip-direction as a gradient constraint; the grid plane aligns with the group's mean orientation. See the Surface Gridding guide. (ID_ORIENTATION_GRIDTOMESH)
  • Auto-cluster Selected Orientations... — Cluster the selected measurements into orientation sets automatically, rather than picking them out on the stereonet by hand. (ID_ORIENT_AUTOCLUSTER)
  • Calculate Intersection — Compute the line of intersection between two planes. (ID_BEDATTITUDE_INTERSECTION)
  • Combine — Combine the selected measurements. (ID_BEDATTITUDE_COMBINE)
  • Convert to Fault — Turn the selected measurement into a fault object. (ID_BEDATTITUDE_CONVERTTOFAULT)
  • Import — Import measurements from a file. (ID_GROUPPOPUP_IMPORT)
  • Export — Export the selected measurements. (ID_GROUPPOPUP_EXPORT)
  • Delete — Delete the selected measurements from the project. (ID_POPUP_ITEM_DELETE)

Two more entries are added on an orientation object or group:

  • Calculate the slip potential based on project s1,s2,s3 — Score each measurement against the project's stress state. (ID_ORIENTATION_SLIP_POTENTIAL)
  • Delete Orientation Group — On a group, delete the group and its members. (ID_POPUP_ITEM_DELETE)

Sort submenu​

  • Name — Sort the group by name. (ID_SORT_NAME)
  • Vertex Count — Sort the group by the number of vertices each measurement was fitted to. (ID_SORT_VERTEXCOUNT)

Selection submenu​

  • Copy Orientation — Copy the orientation, to paste onto another measurement or a scan line. (ID_BEDATTITUDE_COPYORIENTATION)
  • Paste Orientation — Apply a copied orientation. (ID_BEDATTITUDE_PASTEORIENTATION)

View submenu​

  • Look Down Dip — Look Down Dip (ID_BEDATTITUDE_LOOKDOWNDIP)
  • Look Along Strike — Look Along Strike (ID_BEDATTITUDE_LOOKALONGSTRIKE)

Transform submenu​

  • Between Coordinate Systems (CRS) — Reproject the measurements from one coordinate reference system to another. (ID_CONVERTCOORDINATES_CRSTOCRS)
  • Attach to Visible Meshes — Snap the measurements onto the visible meshes. (ID_TRANSFORMS_ATTACHTOACTIVEMESH)
  • Translate — Translate the measurements by a specified offset. (ID_PROJEXP_TRANSLATE)

Classification submenu​

Re-type the selected measurements. The classification sets the symbol and which tools treat the plane as bedding or as a fracture.

  • Bed (ID_SETAS_BED)
  • Fracture (ID_SETAS_FRACTURE)
  • Cleavage (ID_SETAS_CLEAVAGE)
  • Foreset (ID_SETAS_FORESET)
  • Regional (ID_SETAS_REGIONAL)

See also​