Hello I would like to use the procedure described in "Open Source GIS: A GRASS GIS Approach" second edition page 191 "7.3.5 Surfaces with faults". I have a survey of points. Some points are two ditches. I have run a v.surf.rst with the survey points without the ditch. Attached is the ascii file of the ditch points (EPSG:32632) I have therefore operated as follows: > v.in.lines -z --overwrite input=fosso.dat output=fosso_linea / > separator=comma > g.region vector=fosso_linea res=0.2 > v.to.rast -d --overwrite input=fosso_linea type=line output=fosso / > use=z > v.surf.rst --overwrite segmax=60 npmin=100 dmin=1 dmax=6 / > input=fosso_linea elevation=fosso_dem mask=fosso the result is with no_data
Some suggestions? -- -- Perito agrario Enrico Gabrielli progetto F.A.R.M. www.farm-agroecologia.it Tessera n. 633 Collegio Periti agrari prov. Di Modena Biblioteca agricoltura: https://www.zotero.org/groups/aplomb/ https://www.inaturalist.org/observations/bonushenricus
687244.011,4910560.273,482.096 687240.364,4910558.058,482.109 687236.976,4910556.868,482.224 687233.285,4910555.428,482.328 687229.403,4910553.534,482.447 687224.965,4910551.415,482.629 687220.509,4910549.32,482.71 687216.282,4910546.997,482.89 687211.919,4910544.472,483.09 687208.558,4910542.642,483.261 687204.914,4910540.584,483.411 687204.912,4910540.58,483.32 687204.91,4910540.585,483.318 687200.661,4910538.442,483.673 687196.32,4910536.328,483.925 687191.518,4910534.29,484.293 687186.415,4910532.11,484.606 687181.112,4910530.163,484.737 687175.282,4910528.125,484.931 687169.458,4910526.233,485.236 687165.078,4910524.769,485.454 687160.04,4910522.885,485.697 687155.365,4910521.006,485.94 687151.164,4910519.457,486.282 687146.398,4910517.688,486.647 687141.874,4910515.805,487 687136.644,4910513.793,487.386 687132.068,4910512.125,487.659 687127.667,4910510.478,487.808 687122.314,4910508.022,487.879 687118.571,4910505.605,488.063 687114.031,4910501.636,488.301 687110.273,4910498.216,488.499 687108.325,4910496.676,488.602 687104.514,4910493.377,488.952 687101.82,4910491.029,489.219 687098.956,4910488.78,489.501 687096.126,4910486.848,489.734 687093.251,4910484.774,489.993 687088.748,4910482.092,490.242 687084.967,4910480.104,490.434 687080.853,4910478.109,490.631 687079.416,4910477.4,490.858 NaN,NaN,NaN 687034.891,4910501.481,486.212 687036.539,4910499.803,486.445 687038.564,4910497.364,486.72 687041.869,4910494.061,487.317 687046.279,4910490.702,487.837 687051.119,4910486.971,488.42 687056.483,4910483.767,488.936 687062.8,4910480.263,489.641 687068.777,4910477.408,490.42 687075.301,4910474.554,491.299 687082.093,4910471.638,492.264
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