Update baseline estimate

applications/calibration/src/align.cpp

@@ -374,7 +374,8 @@ void ftl::calibration::align(map<string, string> &opt) {
                 float baseline2 = std::abs(tr.x - btr.x);
                 float baseline3 = std::abs(bl.x - bbl.x);
                 float baseline4 = std::abs(br.x - bbr.x);
-                float baseline = (baseline1 + baseline2 + baseline3 + baseline4) / 4.0f;
+                float boardWidth = (std::abs(tl.x-tr.x) + std::abs(btl.x - btr.x)) / 2.0f;
+                float baseline = ((baseline1 + baseline2 + baseline3 + baseline4) / 4.0f) / boardWidth * (boardSize.width*squareSize);
 
                 putText(anag, string("Baseline: ") + std::to_string(baseline) + string("m"), Point(10,150), FONT_HERSHEY_PLAIN, 2.0, Scalar(0,255,0), 2);
             }