Hi! My goal is to calculate the fastest biking rout to school with network analyst. In the calculation I want to also include the cost of biking up/down a slope. I think I have all the necessary information for each road segment - Slope - Z values - A constant speed of 25 kph - Meters - Seconds it take to travel each segment I also have FT_Seconds and TF_Seconds so that I could do Evaluator on the time when going up/down a slope. The problem is that I don't know how to make the calculations for the FT/TF attributes, how do i calculate so that it knows the slope is Up or Down? I had some ideas of when traveling, if the next road segments mean Z value was higher then the slope would be up. and vice versa for going down. What and how will I write it in the field calculator? I know there is threads of this before, but what I have found non explains how to do the calculations. Thanks. //Anders
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