y.min.js"></script><script src="../deps/search-1.0.0/fuse.min.js"></script><script src="../deps/search-1.0.0/mark.min.js"></script><!-- pkgdown --><script src="../pkgdown.js"></script><meta property="og:title" content="Calibrates distances of landmarks — calibrate"><meta name="description" content="Calibrating the actual size is possible if any interlandmark distance on the
image is known. calibrate() can be used to determine the size of a known
distance (cm) on the graph. I invite users to photograph the