[Therion] LIDAR porvrch

Pavel Herich herich at speleodd.sk
Tue Jan 16 12:06:56 CET 2018


Michaliči,
ten posun môže byť aj kvôli nerovnakým súradnicovým systémom. Tie 
lidarové dáta sú v UTM34N.
Paľo




Dňa 2018-01-15 18:21 Michal Danko via Therion napísal(a):
> ahojte,
> tak asi som bol na limite therionu pretoze ked som konvertoval na
> rozmer 2 x2 m povrch mi spravilo z  lidar dat. akurat ze dve hrany mam
> ohranicene na 0 a vyskovo sa mi to zda byt nepresne. respektive
> posunute o nejake metre..
> 
> v prilohe teda prvy polo/uspesny pokus povrchu z lidar dat .. .
> 
> S pozdravom
> 
> Ing. Michal Danko
> 
> 2018-01-15 14:37 GMT+01:00 Michal Danko <michal.danko at gmail.com>:
> 
>> Ahojte,
>> hram sa s lidar datami a mam trosku problem. neviem ci som sa dostal
>> na obmedzenie therionu alebo robim nieco zle.
>> 
>> vstupne data som mal stvorec
>> 
>> 48.99146, 19.67295
>> 48.98282, 19.68312
>> 
>> vo formate tif, ktory som konvertoval cez gdal na txt - ArcInfo Asci
>> Grid
>> 
>> gdal_translate -of AAIGrid zlomiska.tif zlomiska-povrch.txt
>> 
>> cez gdalinfo som zobrazil  taketo hodnoty:
>> 
>> Driver: GTiff/GeoTIFF
>> Files: DMR_Zlomiska.tif
>> Size is 1118, 2310
>> Coordinate System is:
>> PROJCS["WGS 84 / UTM zone 34N",
>> GEOGCS["WGS 84",
>> DATUM["WGS_1984",
>> SPHEROID["WGS 84",6378137,298.257223563,
>> AUTHORITY["EPSG","7030"]],
>> AUTHORITY["EPSG","6326"]],
>> PRIMEM["Greenwich",0,
>> AUTHORITY["EPSG","8901"]],
>> UNIT["degree",0.0174532925199433,
>> AUTHORITY["EPSG","9122"]],
>> AUTHORITY["EPSG","4326"]],
>> PROJECTION["Transverse_Mercator"],
>> PARAMETER["latitude_of_origin",0],
>> PARAMETER["central_meridian",21],
>> PARAMETER["scale_factor",0.9996],
>> PARAMETER["false_easting",500000],
>> PARAMETER["false_northing",0],
>> UNIT["metre",1,
>> AUTHORITY["EPSG","9001"]],
>> AXIS["Easting",EAST],
>> AXIS["Northing",NORTH],
>> AUTHORITY["EPSG","32634"]]
>> Origin = (403129.719999999972060,5427465.219999999739230)
>> Pixel Size = (0.500000000000000,-0.500000000000000)
>> Metadata:
>> AREA_OR_POINT=Area
>> DataType=Generic
>> Image Structure Metadata:
>> INTERLEAVE=BAND
>> Corner Coordinates:
>> Upper Left  (  403129.720, 5427465.220) ( 19d40'32.80"E,
>> 48d59'32.95"N)
>> Lower Left  (  403129.720, 5426310.220) ( 19d40'33.79"E,
>> 48d58'55.55"N)
>> Upper Right (  403688.720, 5427465.220) ( 19d41' 0.30"E,
>> 48d59'33.26"N)
>> Lower Right (  403688.720, 5426310.220) ( 19d41' 1.29"E,
>> 48d58'55.87"N)
>> Center      (  403409.220, 5426887.720) ( 19d40'47.05"E,
>> 48d59'14.41"N)
>> Band 1 Block=1118x1 Type=Float32, ColorInterp=Gray
>> 
>> z nich som sa pokusil vytvorit SURFACE.TH [1].
>> 
>> encoding  utf-8
>> surface
>> CS UTM34
>> GRID 403129.72 5426310.22 0.5 0.5 1118 2310
>> input zlomiska-povrch.txt
>> endsurface
>> 
>> netusim ci mam spravny grid, tak ak sa dakto do toho vyzna prosim
>> skontrolujte pretoze pri kompilacii dostanem chybu..
>> 
>> ERROR -- LIDAR/ZLOMISKA-POVRCH.TXT [7] -- LINE TOO LONG
>> WRITING XTHERION FILE ... DONE
>> 
>> 7- je riadok kde zacinaju vyskove data..(riadkov je 2310 )
>> 
>> S pozdravom
>> 
>> Ing. Michal Danko
> 
> 
> 
> Links:
> ------
> [1] http://surface.th
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