View source: R/rs_textures.R View source: R/funs_otb_textures.R
otbtex_gray | R Documentation |
Calculates Gray scale morphological operations for a given kernel size. return list of geotiffs containing thelocal statistics for each channel
Calculates Gray scale morphological operations for a given kernel size. return list of geotiffs containing thelocal statistics for each channel
otbtex_gray( input = NULL, out = "morpho", ram = "8192", filter = "dilate", structype = "ball", xradius = 5, yradius = 5, channel = NULL, retRaster = FALSE, outDir = NULL, verbose = FALSE, otbLinks = NULL, gdalLinks = NULL ) otbtex_gray( input = NULL, out = "morpho", ram = "8192", filter = "dilate", structype = "ball", xradius = 5, yradius = 5, channel = NULL, retRaster = FALSE, outDir = NULL, verbose = FALSE, otbLinks = NULL, gdalLinks = NULL )
input |
of GeoTiff containing 1 ore more gray value bands |
out |
the output mono band image containing the edge features |
ram |
reserved memory in MB |
filter |
the choice of the morphological operation (dilate/erode/opening/closing) (default value is dilate) |
structype |
the choice of the structuring element type (ball/cross) |
xradius |
x the ball structuring element X Radius (only if structype==ball) |
yradius |
y the ball structuring element Y Radius (only if structype==ball) |
channel |
sequence of bands to be processed |
retRaster |
boolean if TRUE a raster stack is returned |
outDir |
output Directory |
verbose |
switch for system messages default is FALSE |
otbLinks |
list. of GI tools cli pathes |
gdalLinks |
list. GDAL tools cli paths |
raster* object
raster* object
the otb is used for filtering. please provide a GeoTiff file
the otb is used for filtering. please provide a GeoTiff file
Chris Reudenbach
## Not run: # load libraries require(uavRst) require(link2GI) require(listviewer) setwd(tempdir()) # check if OTB exists otbLinks <- link2GI::linkOTB() if (otbLinks$exist) { data("rgb") raster::plotRGB(rgb) fn<-file.path(tempdir(),"rgb.tif") raster::writeRaster(rgb, filename=fn, format="GTiff", overwrite=TRUE) # get help cmd<-link2GI::parseOTBFunction(algo = "GrayScaleMorphologicalOperation",gili=otbLinks) listviewer::jsonedit(cmd$help) r<-otbtex_gray(input="pacman.tif",retRaster = TRUE,otbLinks=otbLinks) ##- visualize all layers raster::plot(r[[1]]) } ## End(Not run) ## Not run: # load libraries require(link2GI) require(listviewer) setwd(tempdir()) # check if OTB exists otbLinks <- link2GI::linkOTB() if (otbLinks$exist) { data("rgb") raster::plotRGB(rgb) fn<-file.path(tempdir(),"rgb.tif") raster::writeRaster(rgb, filename=fn, format="GTiff", overwrite=TRUE) # get help cmd<-link2GI::parseOTBFunction(algo = "GrayScaleMorphologicalOperation",gili=otbLinks) listviewer::jsonedit(cmd$help) r<-otbtex_gray(input="pacman.tif",retRaster = TRUE,otbLinks=otbLinks) ##- visualize all layers raster::plot(r[[1]]) } ## End(Not run)
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.