https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/f/contextcapture-descartes-pointools-forum/136492/hello-i-recently-started-using-contextcapture-yesterday-we-took-a-picture-with-the-phone-iphone-at-the-front-of-the-office-please-tell-me-the-reason-why-i-can-not-calculate-the-distance-in-centimetersHello. I recently started using ContextCapture. Yesterday we took a picture with the phone (iphone) at the front of the office, please tell me the reason: why I can not calculate the distance in cm (m) ? When measuring the distance I only receive theen-USTelligent Community 12https://communities.bentley.com/thread/414250?ContentTypeID=1Thu, 01 Jun 2017 08:19:18 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:011f43f4-9041-4bbb-bee8-30f9f8a5a643OtoDoes it detect phone camera sensor size and focal length? Have you set coordinate system other than default?<br /> Also for correct measurements you should add scale constraints between two known points.<div style="clear:both;"></div>