private void assignEdgeSegmentOffsets() {
		for (RowSegmentList<E> rowSegments : rowSegmentMap.values()) {
			rowSegments.assignOffsets();
		}
		for (ColSegmentList<E> colSegments : colSegmentMap.values()) {
			colSegments.assignOffsets();
		}
	}
Finds the column segment object for the given edge and start point.
@param edge the edge for which to find its column segment object
@param gridPoint the start point for the desired segment object
@return the column segment object for the given edge and start point.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/layout/flowchart/EdgeSegmentMap.java