WellCAD Basics - Advanced Logic Technology

444 - APPENDIX A
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The amplitude component is a Well-Log:
The color used to render the surface at a particular depth point, is the color
extracted from a color palette corresponding to the Well-log data point at that
particular depth. The color palette is a property of the 3D log itself.
The minimum and maximum values are used to set the two extreme data values of
the palette. The palette button starts a palette editor which can be use to edit the
palette (see 1.5.4 Color Palette Design).
The amplitude component is an Image Log:
The colors used to render the surface of the cylinder are the same as the ones used
to for the Image log data. The minimum, maximum and palette settings are shared
between the amplitude log component and the 3D log. Changing any of these
settings, regardless of whether this is done using the 3D log settings dialogue box or
the component’s image log settings dialogue box, will affect the settings of both
logs.
Position:
You can set the left and right position of the log column in selected units. The
default unit displayed is the one set for the Ruler Bar (see 1.3.2.4 Positioning Logs).
Components:
The appearance of the 3D borehole cylinder is a combination of geometric and
color information. The shape of the cylinder is derived from the data provided as
the Caliper component. The cylinder surface color is defined through the
Amplitude component.
Select the log to be used as the Caliper component of the 3D log from the Caliper
drop down list. The combo box is pre-filled with possible choices. These are None,
which means that the cylinder radius will be constant, and all Well Logs, Formula
Logs and Image Logs present in the borehole document.