Measuring bar width

When measuring a riser bar, it it done from one end to the other in a straight line, or from one end to the other in a curve taking into account the backsweep of the bars?
"Melancholy is incompatible with bicycling." ~James E. Starrs
0
Posts
VOODOO CANZO
Come and see me at https://www.facebook.com/biketyke/
Marin
SS Inbred
Mongoose Teocali Super