Description Usage Arguments Details Value Author(s) See Also Examples
View source: R/read_dtm.R View source: R/dev_read_dtm.R
read a single USDA FUSION format raster into an r raster object (raster package). read a single header read headers for all files in directory
read a single USDA FUSION format raster into an r raster object (raster package). read a single header read headers for all files in directory
1 2 3 4 5 6 7 8 9 10 11 | read_dtm(dtm_files = NA, dir_dtm = NA, pattern = "[.]dtm$",
plot = F, NA_val = -1, return_polygon = F, mosaic = T)
read_dtm_header(dtm_file, dir_dtm = NA, pattern = "[.]dtm$",
recursive = TRUE, out_file = NA)
read_dtm(dtm_files = NA, dir_dtm = NA, pattern = "[.]dtm$",
plot = F, NA_val = -1, return_polygon = F, mosaic = T)
read_dtm_header(dtm_file, dir_dtm = NA, pattern = "[.]dtm$",
recursive = TRUE, out_file = NA)
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dir_dtm |
path to directory containing FUSION dtm files |
pattern |
extension for FUSION dtm files |
plot |
with 'dtm_file' optionally plot dtm with rgl and rasterVis |
NA_val |
recoded fusion NA values to R NA - unfotunately FUSION uses -1.0 as NA values .. |
dtm_file |
path to specific FUSION dtm file |
ncore |
how many cores to use in processing dtm files - used with 'dir_dtm' |
dtm_file |
path to specific FUSION dtm file |
dir_dtm |
path to directory containing FUSION dtm files |
pattern |
extension for FUSION dtm files |
plot |
with 'dtm_file' optionally plot dtm with rgl and rasterVis |
NA_val |
recoded fusion NA values to R NA - unfotunately FUSION uses -1.0 as NA values .. |
ncore |
how many cores to use in processing dtm files - used with 'dir_dtm' |
the DEM format is an esoteric raster format used only by (and required by) FUSION gridmetrics. SInce it is required and we extensivey use FUSION (esp gridmetrics) we need the ability to interact with this file format.
Revision History
0.1 | 2014 July 09 - Operational |
the DEM format is an esoteric raster format used only by (and required by) FUSION gridmetrics. SInce it is required and we extensivey use FUSION (esp gridmetrics) we need the ability to interact with this file format.
Revision History
0.1 | 2014 July 09 - Operational |
raster, rasters, or dataframe with header(s) information
raster, rasters, or dataframe with header(s) information
Jacob Strunk
Jacob Strunk
1 2 3 4 5 6 7 8 | many_dtms=read_dtm_header(dir_dtm="c:\\temp\\dtm_files" ,out_file="c:\\temp\\headers.csv")
one_dtm=read_dtm_header("//dnrgpoly112/e$/rs_prototype/dtm/dtm_files/38_58.dtm")
many_dtms=read_dtm_header(dir_dtm="c:\\temp\\dtm_files" ,out_file="c:\\temp\\headers.csv")
one_dtm=read_dtm_header("//dnrgpoly112/e$/rs_prototype/dtm/dtm_files/38_58.dtm")
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