AutoChart 2010 Help File

FR661 - Xref Profile

FR661 - Xref Profile

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FR661 - Xref Profile

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The Xref Profile command has been completely re-written so that it will now correctly position the profile Xref along with associated Kp and Depth axes and grid lines in a single operation. Previously the command relied on a 'dummy' profile being created within the charts in order to add the profile dictionary (used to correctly position the profile Xref) and draw the various axes and grid lines. This is all now performed using the one command.

The Xref Profile command can be run as Current Drawing (by specifying the Panel Start Kp) or as Chart Series (where the Profile Xref is positioned according to the Plan View UCS). With either version of the command you can select to have automatic vertical positioning of the profile Xref by specifying an Upper/Middle/Lower position or fix the top of the Profile box to a particular value by using the 'Force Grid Start Depth' option and entering the required value.

As with the previous Xref Profile command the drawing to be inserted must be created in Pseudo Real World coordinates (i.e. the X-axis must be (Grid) Kp in metres with Kp 0 at X=0 and the Y-axis must be depth vertically exaggerated, i.e. Depth 0 at Y=0, Depth of 75m with a vertical exaggeration of 50 must be at Y=-3750. Finally, for Ascending Kp Charts the Kps of the Xreffed profile must travel from left to right, for Descending Kp Charts the profile must be mirrored around X=0 so that the Kps travel from right to left. It is usually easiest to use the Create Profile - Current Drawing command with the Calculate Panel Extents from Data option ticked in order to draw the profile data in the correct position.

FR661-Xref Profile-Multiple

Note that one of the profile polylines in the profile Xref must have been designated as the AutoChart 'Primary' profile. If this tag does not exist (for instance if the profile was not originally created in AutoChart) then this can be done using the Attach Profile Info command.