Takes a table of survey sightings with columns of x and y locations of two points, and converts it to the format required by solve_topo. The input table must have columns x1, y1, x2, and y2. The return value is a list consisting of two dataframes:
all points found in the input table, with an integer designation assigned to each. The designation is called pt.
the second table matches the input table, but instead of x-y coordinates for the two points, only columns pt1 and pt2 are included to indicate the two points between which a sighting was taken.
1 | rearrangeSurveyData(inputtable)
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