swmm_setLinkParam Set Link Setting Offset Conversion

[bemcdonnell]

If a link’s offset is changed and Elevation Offsets are being used, then the conversion of the new offset to a an internally used depth offset gets messed up.

https://github.com/OpenWaterAnalytics/Stormwater-Management-Model/blob/develop/src/toolkitAPI.c#L452-L499

[bemcdonnell]

    if ( LinkOffsets == ELEV_OFFSET ) link_convertOffsets(j);


...

void link_convertOffsets(int j)
//
//  Input:   j = link index
//  Output:  none
//  Purpose: converts offset elevations to offset heights for a link.
//
{
    double elev;

    elev = Node[Link[j].node1].invertElev;
    Link[j].offset1 = link_getOffsetHeight(j, Link[j].offset1, elev);
    if ( Link[j].type == CONDUIT )
    {
        elev = Node[Link[j].node2].invertElev;
        Link[j].offset2 = link_getOffsetHeight(j, Link[j].offset2, elev);
    }
    else Link[j].offset2 = Link[j].offset1;