Imports a generic ASCII file that can be or not a multi-segment file. Multi-segment files (in a GMT sense) are files that start by a line with the ‘>’ character and each segment is separated by one of such lines. The multi-segment files allow more information to be transmitted after the “>” character. Namely, If first line in file is of the form:
'>U_N_I_K' plot a single line NaN separated (Useful when file has many segments)
'>ARROW' plot an arrow field
'>-:' swap 1st and 2nd columns (assumed as (y,x) -> (x,y))
'>CLOSE' plot patches instead of lines (independently of pline being closed or not)
'>VIMAGE' tell Fledermaus to plot a scene with a VIMAGE. In this case the VIMAGE keyword must be followed, in the same line, by the full name of the image to be plotted vertically. The nest two lines in file must contain the first and last point of a line that will determine the image’s horizontal extent. Note that this will show only when file is visualized in Fledermaus.
Further from the keywords just described, the segment separator line may contain other type of information. One is explained in Import scaled symbols and regards the control of line/symbol properties. The other is information considered pertinent to be displayed via a right-click on the element and selection the corresponding “info” option. This information is stored after the ‘> ‘ character as an text string. The information available for the Magnetic isochrons work exactly this way. Example: “> Anomaly 5 Eurasia/NAm” (without the quotes).
Copyright © <2010>, <Joaquim Luis>
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