So if I understand the Ardupilot system the system doesn't have the ability to refrence terrain that increases or decreases in altitude? So you set the altitude up so that it remains at a given altitude and hopefully the terrain doesn't change enough to interfere with the planes flightpath.
Won't the sonar be be used in this situation to keep an Arducopter from hitting the ground?
sorry, you posted in the Arduplane forum not the Arducopter.
I'm not sure what the Arducopter would do in this instance, but I'm pretty sure if there were any trees along the route, you would run into them. A sonar is not going to protect you from that.
Oops. Anyways, it's a good test. I haven't done it myself, but I seen video, where the Arducopter will follow the terrain below it when obstacles are below it. It will add the elevation of the object to the altitude hold value.
If you click the "Verify height" box, the Mission Planner will use Google elevation data to maintain a relative altitude over the terrain.
Chris, does this actually work like that?
When I do this I just get a warning about altitude and it doesn't actually adjust the Alt fields?
If it's not working for you, file an Issue and we'll have the developers look at it.
Filed as issue 475
sorry ,i have the same problem. and am using "amp planner 1.0.40 build 1.0.4218.13631". can some one give a solution? thanks.
Sufendi: That's ANCIENT! Where did you even find it??? The current MP (1.1.69) is here.
thanks you so much for the information. thanks. i will download it now.