Dear list,
I use TGRASS to calculate a NDVI. For this I generate two space time raster datasets of the red (b4) and nir (b8) bands. When I try to calculate with b4 and b8 I get a Parse Error: GRASS 7.4.0 (accra32630):~ > t.rast.list input=b4 name|mapset|start_time|end_time S2_0e76f09b_d221_4e88_b7f9_d3b8aad4975d_20180102T140217_B04_10m|st|2018-01-02 14:02:17|2018-01-02 14:02:18 S2_197fb441_5b8c_48ec_a827_2512f702fd3f_20180114T121946_B04_10m|st|2018-01-14 12:19:46|2018-01-14 12:19:47 GRASS 7.4.0 (accra32630):~ > t.rast.list input=b8 name|mapset|start_time|end_time S2_0e76f09b_d221_4e88_b7f9_d3b8aad4975d_20180102T140217_B08_10m|st|2018-01-02 14:02:17|2018-01-02 14:02:18 S2_197fb441_5b8c_48ec_a827_2512f702fd3f_20180114T121946_B08_10m|st|2018-01-14 12:19:46|2018-01-14 12:19:47 GRASS 7.4.0 (accra32630):~ > t.rast.mapcalc input=b4,b8 output=test1 expression="test1 = float(b8 + b4)" basename=test1 --overwrite Starting temporal sampling... Starting mapcalc computation... Ungültige Karte <S2_0e76f09b_d221_4e88_b7f9_d3S2_0e76f09b_d221_4e88_b7f9_d3b8aad4975d_20180102T140217_B08_10maad4975d_20180102T140217_B04_10m> Parse error FEHLER: parse error ERROR: Error while mapcalc computation What did this error mean and how can I solve it? I am looking forward to your help. Thanks and best regards, Anika _______________________________________________ grass-user mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/grass-user
