Modifed interaction with document for weathercases and spans.
Modifed interaction with document for weathercases and spans.

OverheadTransmissionLineSoftware/SpanAnalyzer,OverheadTransmissionLineSoftware/SpanAnalyzer,OverheadTransmissionLineSoftware/SpanAnalyzer,OverheadTransmissionLineSoftware/SpanAnalyzer