Monthly Archives: October 2011
RockWorks 15 – Lithology Profile with Inclined Boreholes and Offset Lithology Column
In this post I relate some issues that occur when working with lithology profiles with inclined boreholes and offset lithology columns posted with the boreholes. For this type of profile, the Axis line is where the borehole is aligned with the model, so the lithology column position needs to be changed to be centered on the Axis line.
The example illustrates a lithology profile drawn through several inclined boreholes. At first glance, the lithology in the model (solid color) does not match the lithology in the inclined boreholes (color + pattern). The profile has a Depth track to the right of the Axis line, and a Lithology column even further to the right of the Axis line. When I draw a red line from the contacts in the Lithology column onto the Axis line, you can see that the model honors the borehole data along the Axis line.
For one final tweak, change the offset of the columns to have the Axis line plot behind the center of the Lithology column. On the 2D Striplog Designer tab, drag the Depths track to the farthest left side of the Layout Preview, drag the red Axis line to the middle position, and drag the Lithology column to the right position. In this case the width of the Lithology column is set to 1.0, so set the offset of the Axis Left Margin by 0.5, and offset the Lithology column by -0.5.
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