Edit Drillhole is a dialog based editor for viewing and editing
drillhole data one hole at a time. The Edit Drillhole dialog lists
the strata/bed layers, drillhole header information, and a
graphical representation of the drillhole itself. The main dialog
is shown below.
Each strata layer in the hole is listed as a separate row in the
main table. These strata layers, along with the graphical
representation of the hole, are color-coded according to the
current strata definition file (from Drillhole Pulldown Menu >
Define Strata) by default, but may also be colored according to a
grade parameters file (from Block Model Pulldown Menu > Define
Grade Parameters) by clicking the Color Strata By pulldown
menu. When the Color Strata By option is set to 'Grade', you will
be prompted for a Grade Parameters File, after which the strata
layers will be colored according to the grade set in that file. An
example is shown below, wherein the strata layers are colored
according to their concentration of calcium oxide.
To edit a strata, highlight the strata in the list, and then click the Edit button, or simply double-click the strata in the list. Edits may also be made by single-clicking a value and typing in the new value.
To insert new strata, highlight the strata below the desired
location and click the Insert Above button.
To add a new strata to the end of the list click the Append
to Bottom button.
Strata are removed by highlighting the strata and clicking the
Remove button.
The Adjustment Method controls how strata will react to a
change in thickness, elevation, or depth of another strata. If the
Adjust Bottom Elevations option is selected, the thickness
of all strata will be held constant as the change is applied. For
example, if the thickness of the strata layer in row 1 is changed
from 1 to 5, then the thicknesses of all strata below it will be
held constant while the bottom elevation of each will decrease by
4. If the Adjust Next Thickness option is selected,
elevations will be held constant while the thickness of the next
strata is adjusted. For example, if the thickness of the strata
layer in row 1 is changed from 1 to 5, then the thickness of the
strata layer in row 2 will change from 9 to 5; no other strata
layers will be affected.
When Strata are edited or added, the Edit Strata dialog appears
as shown below. This dialog allows editing of information specific
to the selected strata layer.
The left side of the Edit Strata dialog lists all strata in the
hole. Selecting one of the strata from this list will allow you to
edit that strata. The fields at the top of this dialog include the
Strata Name, Bed Name, Strata Thickness, Bottom Elevation of the
Strata, the Depth to the bottom elevation of the strata from the
top of the hole, and the strata's key status (key or non-key). Each
of these fields may be edited.
The Select buttons next to the Strata Name and Bed Name
will allow you to assign the name by picking from a list of
Strata/Beds listed in the Strata Definition File.
The table shown on this dialog lists all attributes specific to
the selected strata. Attributes and their corresponding values may
be entered/edited by simply clicking the field and typing.
The Return button will save any changes made to the
strata and return to the main Edit Strata dialog.
The list of attributes may be sorted by clicking the Name or
Value header at the top of the spreadsheet.
The right side of the Edit Drillhole dialog shows a graphical
representation of the drillhole. Each strata layer will be colored
according to the option selected in the Color Strata By
pulldown menu. Hovering the mouse cursor over any strata layer will
display the depth to the bottom of that strata layer from the top
of the hole.
The window showing the graphical representation of the drillhole allows for zooming and panning to more easily inspect strata layers. Panning is done by holding down the mouse wheel while moving the mouse. Zooming is done by scrolling the mouse wheel, or by using the Zoom In, Zoom Out, or Zoom Extents buttons.
The Drillhole Header information is listed in the bottom half of
the Edit Drillhole dialog. This includes the drillhole description,
name, northing coordinate, easting coordinate, processing status,
surface elevation, drillhole type, X-Y quality, Z quality, density,
and drillhole attribute fields.
Above the drillhole header information is the drillhole
Source. If the drillhole information is stored in the
drawing itself (as is most common), the source will be 'Current
Drawing with EED (Extended Entity Data) Data'. If the drillhole
information is stored in an external database, the database
directory will be listed as the source. Any changes made to the
drillhole will update the EED/database after clicking
Save.
The Description is a simple description of the hole for
notes, comments, etc.
The Name is the drillhole identifier.
The Processing ON checkbox determines if the hole is used
when making Strata Grid Files. If this box is unchecked, the
drillhole information will not be used to make Strata Grid
Files.
The Northing and Easting list the Y and X
coordinates of the drillhole, respectively.
The Surface Elevation lists the elevation at the top of
the hole. The Set button next to this field will set the
hole elevation according to a .grd or .tin surface file.
The Drillhole Type will change the appearance of the hole
according to the settings in the Drillhole Lookup Database command.
These settings determine the drillhole, layer, symbol, color,
etc.
The X-Y Quality and Z Quality are simple notes
that tell how the drillhole X-Y coordinates and surface elevation
were measured, respectively. Default options include Unknown, Total
Station, GPS, USGS Quad, Picked off Map, and Tape Measured.
Additional options may be added via the Drillhole Lookup Database
command.
The Density sets the default density for strata in either
lbs/ft^3 or kg/m^3 depending on the unit system selected under
Settings Pulldown Menu > Drawing Setup. Note that density may be
applied to individual strata/beds as user-defined
attribute.
The Attribute Fields section lists attributes that apply
to the drillhole itself rather than to specific strata, such as
date drilled, driller's name, etc. Clicking the Edit
Attributes button will open a new dialog, as shown
below.
This dialog allows you to type in custom attributes that apply
to the entire drillhole. Rows may be inserted or deleted with the
Insert and Delete buttons. The Update from
Drillhole Definition button will add any attributes listed in
the drillhole definition file (from Drillhole Pulldown Menu >
Define Drillhole).
Four optional, special attributes are also available, and may be set by clicking the Special Codes button. These attributes are:
Drillhole Dip and Azimuth is controlled by a hierarchy of
options, listed below. If Option 1 is detected, the other two will
be ignored. If Option 1 is not detected, then Option 2 will be
used. If Option 2 is not detected, then Option 3 will be used. If
non of these options are detected, the program will assume a
vertical drillhole.
Select Drillhole to edit [<Pick>/Name]: pick a hole or type "N" and then type in a name. A double-click with the cross-hairs on a drillhole will also execute this command, but only on the edge of the symbol, not the center where the grip is.
Pulldown Menu Location: Drillhole
Keyboard Command: chedit