<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000'>Dear all, <br><br>I have a unusual system unit. I'm working on a parcel unit for rill analysis. I'm able to extract the network and I would prune a bit the resulting output.<br>All the parcel I'm studying is 10 meters wide and 22 meters long, the mean average distance between the streams is about 1-2 centimetres. I need to remove nodes in a threshold of 0.005 meters (half centimetre) but I'm having problem assigning such threshold to v.clean<br>I'm running GRASS7.<br>If I use these thresholds ( 0.005, 0.01,1,) no points are removed. <br>The first valid working threshold is 2 meters.<br><br>Maybe v.clean does not accept value under 1 meter or I'm doing something wrong?<br><br>Thanks<br>Pierluigi<br></div></body></html>