topic Re: How to find hypotenuse using python code in 3D Mapping Questions https://community.esri.com/t5/3d-mapping-questions/how-to-find-hypotenuse-using-python-code/m-p/828523#M502 <HTML><HEAD></HEAD><BODY><P>For anyone with the same question; after a few trials, my colleague and I came up with this:</P><P><SPAN style="color: #1f497d; font-size: 11pt;">math.sqrt((!Shape_len! * !Shape_len!) + ((!UpstreamIn! -&nbsp; !Downstream!) * ( !UpstreamIn! - !Downstream!)))</SPAN></P><P><SPAN style="color: #1f497d; font-size: 11pt;">There's likely an easier way to produce the same results but isn't that the same with most geoprocessing?</SPAN></P></BODY></HTML> Wed, 13 Dec 2017 17:14:55 GMT MonicaBeaton 2017-12-13T17:14:55Z How to find hypotenuse using python code https://community.esri.com/t5/3d-mapping-questions/how-to-find-hypotenuse-using-python-code/m-p/828522#M501 <HTML><HEAD></HEAD><BODY><P>I have a polyline feature class (sewer pipes) with upstream and downstream values but because the z values are not enabled on the dataset, I need a quick way to produce a "true length" or 3D value. How can I plug into the field calculator:</P><P>(upstream - downstream) squared + shape.length squared = hypotenuse? using python (or VB?)</P><P>Thanks to anyone, I am not a coder just a novice with python still.</P><P></P><P>I should add that I have created a new field called True_Len to calculate the result on, not trying to change an existing field value.</P></BODY></HTML> Wed, 13 Dec 2017 15:37:07 GMT https://community.esri.com/t5/3d-mapping-questions/how-to-find-hypotenuse-using-python-code/m-p/828522#M501 MonicaBeaton 2017-12-13T15:37:07Z Re: How to find hypotenuse using python code https://community.esri.com/t5/3d-mapping-questions/how-to-find-hypotenuse-using-python-code/m-p/828523#M502 <HTML><HEAD></HEAD><BODY><P>For anyone with the same question; after a few trials, my colleague and I came up with this:</P><P><SPAN style="color: #1f497d; font-size: 11pt;">math.sqrt((!Shape_len! * !Shape_len!) + ((!UpstreamIn! -&nbsp; !Downstream!) * ( !UpstreamIn! - !Downstream!)))</SPAN></P><P><SPAN style="color: #1f497d; font-size: 11pt;">There's likely an easier way to produce the same results but isn't that the same with most geoprocessing?</SPAN></P></BODY></HTML> Wed, 13 Dec 2017 17:14:55 GMT https://community.esri.com/t5/3d-mapping-questions/how-to-find-hypotenuse-using-python-code/m-p/828523#M502 MonicaBeaton 2017-12-13T17:14:55Z