R/raster.R
In vwmaus/geoScidb: Utilities for SciDB geographical data processing and visualization.
#' @title Raster from scidb array.
#'
#' @description This function creates and project MODIS grid from slices of
#' a scidb array.
#'
#' @param arrayname A carachter. SciDB array name.
#' @param slices A numeric vector. The array index for each desired time slices.
#' @param mincol An integer. The global index for the minimum MODIS column.
#' @param maxcol An integer. The global index for the maximum MODIS column.
#' @param minrow An integer. The global index for the minimum MODIS row.
#' @param maxrow An integer. The global index for the maximum MODIS row.
#' @param pixelsize A number. The MODIS resolution in meters.
#' @param host A carachter.
#' @param port An integer.
#' @param user A carachter.
#' @param password A carachter.
#' @param filepath A carachter.
#' @param overwrite Logical. If TRUE, raster file will be overwritten if it exists. Default is FALSE.
#'
#' @docType methods
#' @export
modisrasterFromSciDBArray = function(arrayname, slices, mincol, maxcol, minrow, maxrow, pixelsize,
hostname, port, user, password, filepath, overwrite=FALSE)
{
# arrayname="CLASSIFICATION_MT_2000_2014"
# slices=2010
# mincol=59221
# maxcol=59300
# minrow=48501
# maxrow=48520
# pixelsize=231.656358263889
# hostname="https://gis-bigdata.uni-muenster.de"
# port=48922
# user="maus"
# password="96V14w57m24"
# filepath="/home/maus/workspace/results/small_test"
# overwrite=TRUE
projCRSSinu = CRS("+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 +b=6371007.181 +units=m +no_defs")
hoststring = unlist(strsplit(hostname, split="://"))
hostscidb = hoststring[length(hoststring)]
hostname = paste0("https://", hostscidb)
scidbconnect(host=hostscidb, port=port, username=user, password=password)
N = length(slices)
# Remove existing temp array from scidb
if(any(scidblist()=="tmp_raster1"))
iquery("remove(tmp_raster1)", return=FALSE)
if(any(scidblist()=="tmp_raster2"))
iquery("remove(tmp_raster2)", return=FALSE)
cat("\nInsert array slice 1/",N,sep="")
iquery(paste0("store(between(slice(",arrayname,", year_id,",slices[N],"),",mincol,",",minrow,",",maxcol,",",maxrow,"),tmp_raster1)"), return = FALSE)
if(length(slices)>1)
lapply((N-1):1, function(i){
cat("\nInsert array slice ",N-i+1,"/",N,sep="")
iquery(paste0("store(join(",paste0("between(slice(",arrayname,", year_id, ",slices[i],"),",mincol,",",minrow,",",maxcol,",",maxrow,")", collapse = ","), ",tmp_raster1),tmp_raster2)"), return=FALSE)
iquery("remove(tmp_raster1)", return=FALSE)
iquery("rename(tmp_raster2,tmp_raster1)", return=FALSE)
})
# Create raster from scidb array
aux = unlist(strsplit(schema(scidb("tmp_raster1")), split="\\["))
arraydim = paste(dimensions(scidb("tmp_raster1")), unlist(lapply(unlist(strsplit(aux[2], split="=")), function(i) unlist(strsplit(i, split=","))[1]))[-1], sep="=")
TMPSCHEMA = paste0(aux[1],paste0("[row_id=",minrow,":",maxrow,",1024,0,col_id=",mincol,":",maxcol,",1024,0]"))
iquery(paste0("store(redimension(tmp_raster1,",TMPSCHEMA,"),tmp_raster2)"))
tmpfile = paste(c(unlist(strsplit(filepath, split = "/")), "raster.tmp"), collapse = "/")
systemstring = paste("gdal_translate -of GTiff \"SCIDB:array=tmp_raster2 host=",hostname," port=",port," user=",user," password=",password,"\" ",tmpfile,sep="")
system(systemstring)
# Remove temp array from scidb
if(any(scidblist()=="tmp_raster1"))
iquery("remove(tmp_raster1)", return=FALSE)
if(any(scidblist()=="tmp_raster2"))
iquery("remove(tmp_raster2)", return=FALSE)
# Project raster
ceter_min_coords = modisColRowToLongLat(mincol, maxrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
min_coords = ceter_min_coords - pixelsize/2
ceter_max_coords = modisColRowToLongLat(maxcol, minrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
max_coords = ceter_max_coords + pixelsize/2
r_extent = extent(t(rbind(min_coords, max_coords)))
r2=brick(tmpfile, xmn=min_coords$longitude, xmx=max_coords$longitude, ymn=min_coords$latitude, ymx=max_coords$latitude, crs=projCRSSinu)
r2@extent = extent(t(rbind(min_coords, max_coords)))
names(r2) = paste(arrayname,slices, sep=".")
filename = paste(c(unlist(strsplit(filepath, split = "/")), paste("slice_",slices[1],"_",slices[length(slices)],"_array_",arrayname,".tif",sep="") ), collapse = "/")
res = writeRaster(x=r2, filename = filename, format = "GTiff", overwrite = overwrite)
system(paste("rm -rf ",tmpfile))
res
}
#' @title Raster from scidb array.
#'
#' @description This function creates and project MODIS grid from slices of
#' a scidb array.
#'
#' @param arrayname A carachter. SciDB array name.
#' @param slices A numeric vector. The array index for each desired time slices.
#' @param mincol An integer. The global index for the minimum MODIS column.
#' @param maxcol An integer. The global index for the maximum MODIS column.
#' @param minrow An integer. The global index for the minimum MODIS row.
#' @param maxrow An integer. The global index for the maximum MODIS row.
#' @param pixelsize A number. The MODIS resolution in meters.
#' @param host A carachter.
#' @param port An integer.
#' @param user A carachter.
#' @param password A carachter.
#' @param filepath A carachter.
#' @param RGBcode an R data.frame with the class number and R,G,B values in the columns.
#' @param overwrite Logical. If TRUE, raster file will be overwritten if it exists. Default is FALSE.
#'
#' @docType methods
#' @export
modisrasterFromSciDBArrayRGB = function(arrayname, slices, mincol, maxcol, minrow, maxrow, pixelsize,
hostname, port, user, password, filepath, RGBcode, overwrite=FALSE)
{
projCRSSinu = CRS("+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 +b=6371007.181 +units=m +no_defs")
hoststring = unlist(strsplit(hostname, split="://"))
hostscidb = hoststring[length(hoststring)]
hostname = paste0("https://", hostscidb)
scidbconnect(host=hostscidb, port=port, username=user, password=password)
N = length(slices)
# Remove existing temp array from scidb
if(any(scidblist()=="tmp_raster1"))
iquery("remove(tmp_raster1)", return=FALSE)
if(any(scidblist()=="tmp_raster2"))
iquery("remove(tmp_raster2)", return=FALSE)
# Get RGB code for each class
I = as.numeric(RGBcode$class_id)
R = RGBcode$R
G = RGBcode$G
B = RGBcode$B
strR = paste0("R,uint8(",paste0(lapply(seq_along(I), function(i){
paste0("iif(class_id=uint8(",I[i],"), uint8(",R[i],")")
}), collapse = ","), ",200", paste0(rep(")", length(I)+1), collapse = ""))
strG = paste0("G,uint8(",paste0(lapply(seq_along(I), function(i){
paste0("iif(class_id=uint8(",I[i],"), uint8(",G[i],")")
}), collapse = ","), ",200", paste0(rep(")", length(I)+1), collapse = ""))
strB = paste0("B,uint8(",paste0(lapply(seq_along(I), function(i){
paste0("iif(class_id=uint8(",I[i],"), uint8(",B[i],")")
}), collapse = ","), ",200", paste0(rep(")", length(I)+1), collapse = ""))
res = lapply(1:N, function(i){
cat("\nInsert array slice ",i,"/",N,sep="")
iquery(
paste(
"store(
project(
apply(
between(slice(",arrayname,", year_id,",slices[i],"), ",mincol,",",minrow,",",maxcol,",",maxrow,"),
",strR,",",strG,",",strB,"
),
R, G, B
), tmp_raster1)"
)
, return = FALSE)
# Create raster from scidb array
aux = unlist(strsplit(schema(scidb("tmp_raster1")), split="\\["))
arraydim = paste(dimensions(scidb("tmp_raster1")), unlist(lapply(unlist(strsplit(aux[2], split="=")), function(i) unlist(strsplit(i, split=","))[1]))[-1], sep="=")
TMPSCHEMA = paste0(aux[1],paste0("[row_id=",minrow,":",maxrow,",1024,0,col_id=",mincol,":",maxcol,",1024,0]"))
iquery(paste0("store(redimension(tmp_raster1,",TMPSCHEMA,"),tmp_raster2)"))
tmpfile = paste(c(unlist(strsplit(filepath, split = "/")), ".raster.tmp"), collapse = "/")
systemstring = paste("gdal_translate -of GTiff \"SCIDB:array=tmp_raster2 host=",hostname," port=",port," user=",user," password=",password,"\" ",tmpfile,sep="")
system(systemstring)
# Remove temp array from scidb
if(any(scidblist()=="tmp_raster1"))
iquery("remove(tmp_raster1)", return=FALSE)
if(any(scidblist()=="tmp_raster2"))
iquery("remove(tmp_raster2)", return=FALSE)
# Project raster
ceter_min_coords = modisColRowToLongLat(mincol, maxrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
min_coords = ceter_min_coords - pixelsize/2
ceter_max_coords = modisColRowToLongLat(maxcol, minrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
max_coords = ceter_max_coords + pixelsize/2
r_extent = extent(t(rbind(min_coords, max_coords)))
r2=brick(tmpfile, xmn=min_coords$longitude, xmx=max_coords$longitude, ymn=min_coords$latitude, ymx=max_coords$latitude, crs=projCRSSinu)
r2@extent = extent(t(rbind(min_coords, max_coords)))
names(r2) = paste(arrayname,c("R","G","B"), sep=".")
filename = paste(c(unlist(strsplit(filepath, split = "/")), paste("RGB_slice_",slices[i],"_array_",arrayname,".tif",sep="") ), collapse = "/")
res = writeRaster(x=r2, filename = filename, format = "GTiff", overwrite = overwrite)
system(paste("rm -rf ",tmpfile))
res
})
res
}
# modisrasterFromSciDBArrayDTWValue = function(arrayname, slices, mincol, maxcol, minrow, maxrow, pixelsize,
# hostname, port, user, password, filepath, overwrite=FALSE)
# {
# projCRSSinu = CRS("+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 +b=6371007.181 +units=m +no_defs")
# TMPARRAY = "TMP_RASTER_ARRAY"
# hoststring = unlist(strsplit(hostname, split="://"))
# hostscidb = hoststring[length(hoststring)]
# hostname = paste0("https://", hostscidb)
# scidbconnect(host=hostscidb, port=port, username=user, password=password)
#
# # Remove existing temp array from scidb
# if(any(scidblist()==TMPARRAY))
# scidbremove(TMPARRAY, force=TRUE)
#
# patternnames = scidb_attributes(scidb(arrayname))
#
# out = lapply(slices, function(year){
# cat("\nSaving slice ",which(slices==year),"/",length(slices))
# TMPSCHEMA = paste("<",paste(paste(patternnames, collapse = ":double,"), ":double", sep=""),">",
# " [row_id=",minrow,":",maxrow,",256,0,col_id=",mincol,":",maxcol,",256,0]", sep="")
#
# iquery(paste("store(
# redimension(
# slice(",arrayname,", year_id, ",year,"),
# ",TMPSCHEMA,"
# ),
# ",TMPARRAY,"
# )"), return=FALSE)
#
# # Create raster from scidb array
# tmpfile = paste(c(unlist(strsplit(filepath, split = "/")), "raster.tmp"), collapse = "/")
# systemstring = paste("gdal_translate -of GTiff \"SCIDB:array=",TMPARRAY," host=",hostname," port=",port," user=",user," password=",password,"\" ",tmpfile,sep="")
# system(systemstring)
#
# # Remove temp array from scidb
# if(any(scidblist()==TMPARRAY))
# scidbremove(TMPARRAY, force=TRUE)
#
# # Project raster
# ceter_min_coords = modisColRowToLongLat(mincol, maxrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
# min_coords = ceter_min_coords - pixelsize/2
# ceter_max_coords = modisColRowToLongLat(maxcol, minrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
# max_coords = ceter_max_coords + pixelsize/2
# r_extent = extent(t(rbind(min_coords, max_coords)))
# r2=brick(tmpfile, xmn=min_coords$longitude, xmx=max_coords$longitude, ymn=min_coords$latitude, ymx=max_coords$latitude, crs=projCRSSinu)
# r2@extent = extent(t(rbind(min_coords, max_coords)))
# names(r2) = paste("slice_",slices,"_array_",arrayname,".",patternnames, sep="")
# filename = paste(c(unlist(strsplit(filepath, split = "/")), paste("slice_",year,"_array_",arrayname,".tif",sep="") ), collapse = "/")
# res = writeRaster(x=r2, filename = filename, format = "GTiff", overwrite = overwrite)
# system(paste("rm -rf ",tmpfile))
# res
# })
# }
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#' @title Raster from scidb array.
#'
#' @description This function creates and project MODIS grid from slices of
#' a scidb array.
#'
#' @param arrayname A carachter. SciDB array name.
#' @param slices A numeric vector. The array index for each desired time slices.
#' @param mincol An integer. The global index for the minimum MODIS column.
#' @param maxcol An integer. The global index for the maximum MODIS column.
#' @param minrow An integer. The global index for the minimum MODIS row.
#' @param maxrow An integer. The global index for the maximum MODIS row.
#' @param pixelsize A number. The MODIS resolution in meters.
#' @param host A carachter.
#' @param port An integer.
#' @param user A carachter.
#' @param password A carachter.
#' @param filepath A carachter.
#' @param overwrite Logical. If TRUE, raster file will be overwritten if it exists. Default is FALSE.
#'
#' @docType methods
#' @export
modisrasterFromSciDBArray = function(arrayname, slices, mincol, maxcol, minrow, maxrow, pixelsize,
hostname, port, user, password, filepath, overwrite=FALSE)
{
# arrayname="CLASSIFICATION_MT_2000_2014"
# slices=2010
# mincol=59221
# maxcol=59300
# minrow=48501
# maxrow=48520
# pixelsize=231.656358263889
# hostname="https://gis-bigdata.uni-muenster.de"
# port=48922
# user="maus"
# password="96V14w57m24"
# filepath="/home/maus/workspace/results/small_test"
# overwrite=TRUE
projCRSSinu = CRS("+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 +b=6371007.181 +units=m +no_defs")
hoststring = unlist(strsplit(hostname, split="://"))
hostscidb = hoststring[length(hoststring)]
hostname = paste0("https://", hostscidb)
scidbconnect(host=hostscidb, port=port, username=user, password=password)
N = length(slices)
# Remove existing temp array from scidb
if(any(scidblist()=="tmp_raster1"))
iquery("remove(tmp_raster1)", return=FALSE)
if(any(scidblist()=="tmp_raster2"))
iquery("remove(tmp_raster2)", return=FALSE)
cat("\nInsert array slice 1/",N,sep="")
iquery(paste0("store(between(slice(",arrayname,", year_id,",slices[N],"),",mincol,",",minrow,",",maxcol,",",maxrow,"),tmp_raster1)"), return = FALSE)
if(length(slices)>1)
lapply((N-1):1, function(i){
cat("\nInsert array slice ",N-i+1,"/",N,sep="")
iquery(paste0("store(join(",paste0("between(slice(",arrayname,", year_id, ",slices[i],"),",mincol,",",minrow,",",maxcol,",",maxrow,")", collapse = ","), ",tmp_raster1),tmp_raster2)"), return=FALSE)
iquery("remove(tmp_raster1)", return=FALSE)
iquery("rename(tmp_raster2,tmp_raster1)", return=FALSE)
})
# Create raster from scidb array
aux = unlist(strsplit(schema(scidb("tmp_raster1")), split="\\["))
arraydim = paste(dimensions(scidb("tmp_raster1")), unlist(lapply(unlist(strsplit(aux[2], split="=")), function(i) unlist(strsplit(i, split=","))[1]))[-1], sep="=")
TMPSCHEMA = paste0(aux[1],paste0("[row_id=",minrow,":",maxrow,",1024,0,col_id=",mincol,":",maxcol,",1024,0]"))
iquery(paste0("store(redimension(tmp_raster1,",TMPSCHEMA,"),tmp_raster2)"))
tmpfile = paste(c(unlist(strsplit(filepath, split = "/")), "raster.tmp"), collapse = "/")
systemstring = paste("gdal_translate -of GTiff \"SCIDB:array=tmp_raster2 host=",hostname," port=",port," user=",user," password=",password,"\" ",tmpfile,sep="")
system(systemstring)
# Remove temp array from scidb
if(any(scidblist()=="tmp_raster1"))
iquery("remove(tmp_raster1)", return=FALSE)
if(any(scidblist()=="tmp_raster2"))
iquery("remove(tmp_raster2)", return=FALSE)
# Project raster
ceter_min_coords = modisColRowToLongLat(mincol, maxrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
min_coords = ceter_min_coords - pixelsize/2
ceter_max_coords = modisColRowToLongLat(maxcol, minrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
max_coords = ceter_max_coords + pixelsize/2
r_extent = extent(t(rbind(min_coords, max_coords)))
r2=brick(tmpfile, xmn=min_coords$longitude, xmx=max_coords$longitude, ymn=min_coords$latitude, ymx=max_coords$latitude, crs=projCRSSinu)
r2@extent = extent(t(rbind(min_coords, max_coords)))
names(r2) = paste(arrayname,slices, sep=".")
filename = paste(c(unlist(strsplit(filepath, split = "/")), paste("slice_",slices[1],"_",slices[length(slices)],"_array_",arrayname,".tif",sep="") ), collapse = "/")
res = writeRaster(x=r2, filename = filename, format = "GTiff", overwrite = overwrite)
system(paste("rm -rf ",tmpfile))
res
}
#' @title Raster from scidb array.
#'
#' @description This function creates and project MODIS grid from slices of
#' a scidb array.
#'
#' @param arrayname A carachter. SciDB array name.
#' @param slices A numeric vector. The array index for each desired time slices.
#' @param mincol An integer. The global index for the minimum MODIS column.
#' @param maxcol An integer. The global index for the maximum MODIS column.
#' @param minrow An integer. The global index for the minimum MODIS row.
#' @param maxrow An integer. The global index for the maximum MODIS row.
#' @param pixelsize A number. The MODIS resolution in meters.
#' @param host A carachter.
#' @param port An integer.
#' @param user A carachter.
#' @param password A carachter.
#' @param filepath A carachter.
#' @param RGBcode an R data.frame with the class number and R,G,B values in the columns.
#' @param overwrite Logical. If TRUE, raster file will be overwritten if it exists. Default is FALSE.
#'
#' @docType methods
#' @export
modisrasterFromSciDBArrayRGB = function(arrayname, slices, mincol, maxcol, minrow, maxrow, pixelsize,
hostname, port, user, password, filepath, RGBcode, overwrite=FALSE)
{
projCRSSinu = CRS("+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 +b=6371007.181 +units=m +no_defs")
hoststring = unlist(strsplit(hostname, split="://"))
hostscidb = hoststring[length(hoststring)]
hostname = paste0("https://", hostscidb)
scidbconnect(host=hostscidb, port=port, username=user, password=password)
N = length(slices)
# Remove existing temp array from scidb
if(any(scidblist()=="tmp_raster1"))
iquery("remove(tmp_raster1)", return=FALSE)
if(any(scidblist()=="tmp_raster2"))
iquery("remove(tmp_raster2)", return=FALSE)
# Get RGB code for each class
I = as.numeric(RGBcode$class_id)
R = RGBcode$R
G = RGBcode$G
B = RGBcode$B
strR = paste0("R,uint8(",paste0(lapply(seq_along(I), function(i){
paste0("iif(class_id=uint8(",I[i],"), uint8(",R[i],")")
}), collapse = ","), ",200", paste0(rep(")", length(I)+1), collapse = ""))
strG = paste0("G,uint8(",paste0(lapply(seq_along(I), function(i){
paste0("iif(class_id=uint8(",I[i],"), uint8(",G[i],")")
}), collapse = ","), ",200", paste0(rep(")", length(I)+1), collapse = ""))
strB = paste0("B,uint8(",paste0(lapply(seq_along(I), function(i){
paste0("iif(class_id=uint8(",I[i],"), uint8(",B[i],")")
}), collapse = ","), ",200", paste0(rep(")", length(I)+1), collapse = ""))
res = lapply(1:N, function(i){
cat("\nInsert array slice ",i,"/",N,sep="")
iquery(
paste(
"store(
project(
apply(
between(slice(",arrayname,", year_id,",slices[i],"), ",mincol,",",minrow,",",maxcol,",",maxrow,"),
",strR,",",strG,",",strB,"
),
R, G, B
), tmp_raster1)"
)
, return = FALSE)
# Create raster from scidb array
aux = unlist(strsplit(schema(scidb("tmp_raster1")), split="\\["))
arraydim = paste(dimensions(scidb("tmp_raster1")), unlist(lapply(unlist(strsplit(aux[2], split="=")), function(i) unlist(strsplit(i, split=","))[1]))[-1], sep="=")
TMPSCHEMA = paste0(aux[1],paste0("[row_id=",minrow,":",maxrow,",1024,0,col_id=",mincol,":",maxcol,",1024,0]"))
iquery(paste0("store(redimension(tmp_raster1,",TMPSCHEMA,"),tmp_raster2)"))
tmpfile = paste(c(unlist(strsplit(filepath, split = "/")), ".raster.tmp"), collapse = "/")
systemstring = paste("gdal_translate -of GTiff \"SCIDB:array=tmp_raster2 host=",hostname," port=",port," user=",user," password=",password,"\" ",tmpfile,sep="")
system(systemstring)
# Remove temp array from scidb
if(any(scidblist()=="tmp_raster1"))
iquery("remove(tmp_raster1)", return=FALSE)
if(any(scidblist()=="tmp_raster2"))
iquery("remove(tmp_raster2)", return=FALSE)
# Project raster
ceter_min_coords = modisColRowToLongLat(mincol, maxrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
min_coords = ceter_min_coords - pixelsize/2
ceter_max_coords = modisColRowToLongLat(maxcol, minrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
max_coords = ceter_max_coords + pixelsize/2
r_extent = extent(t(rbind(min_coords, max_coords)))
r2=brick(tmpfile, xmn=min_coords$longitude, xmx=max_coords$longitude, ymn=min_coords$latitude, ymx=max_coords$latitude, crs=projCRSSinu)
r2@extent = extent(t(rbind(min_coords, max_coords)))
names(r2) = paste(arrayname,c("R","G","B"), sep=".")
filename = paste(c(unlist(strsplit(filepath, split = "/")), paste("RGB_slice_",slices[i],"_array_",arrayname,".tif",sep="") ), collapse = "/")
res = writeRaster(x=r2, filename = filename, format = "GTiff", overwrite = overwrite)
system(paste("rm -rf ",tmpfile))
res
})
res
}
# modisrasterFromSciDBArrayDTWValue = function(arrayname, slices, mincol, maxcol, minrow, maxrow, pixelsize,
# hostname, port, user, password, filepath, overwrite=FALSE)
# {
# projCRSSinu = CRS("+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 +b=6371007.181 +units=m +no_defs")
# TMPARRAY = "TMP_RASTER_ARRAY"
# hoststring = unlist(strsplit(hostname, split="://"))
# hostscidb = hoststring[length(hoststring)]
# hostname = paste0("https://", hostscidb)
# scidbconnect(host=hostscidb, port=port, username=user, password=password)
#
# # Remove existing temp array from scidb
# if(any(scidblist()==TMPARRAY))
# scidbremove(TMPARRAY, force=TRUE)
#
# patternnames = scidb_attributes(scidb(arrayname))
#
# out = lapply(slices, function(year){
# cat("\nSaving slice ",which(slices==year),"/",length(slices))
# TMPSCHEMA = paste("<",paste(paste(patternnames, collapse = ":double,"), ":double", sep=""),">",
# " [row_id=",minrow,":",maxrow,",256,0,col_id=",mincol,":",maxcol,",256,0]", sep="")
#
# iquery(paste("store(
# redimension(
# slice(",arrayname,", year_id, ",year,"),
# ",TMPSCHEMA,"
# ),
# ",TMPARRAY,"
# )"), return=FALSE)
#
# # Create raster from scidb array
# tmpfile = paste(c(unlist(strsplit(filepath, split = "/")), "raster.tmp"), collapse = "/")
# systemstring = paste("gdal_translate -of GTiff \"SCIDB:array=",TMPARRAY," host=",hostname," port=",port," user=",user," password=",password,"\" ",tmpfile,sep="")
# system(systemstring)
#
# # Remove temp array from scidb
# if(any(scidblist()==TMPARRAY))
# scidbremove(TMPARRAY, force=TRUE)
#
# # Project raster
# ceter_min_coords = modisColRowToLongLat(mincol, maxrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
# min_coords = ceter_min_coords - pixelsize/2
# ceter_max_coords = modisColRowToLongLat(maxcol, minrow, h=NULL, v=NULL, pixelsize, projCRS=projCRSSinu)
# max_coords = ceter_max_coords + pixelsize/2
# r_extent = extent(t(rbind(min_coords, max_coords)))
# r2=brick(tmpfile, xmn=min_coords$longitude, xmx=max_coords$longitude, ymn=min_coords$latitude, ymx=max_coords$latitude, crs=projCRSSinu)
# r2@extent = extent(t(rbind(min_coords, max_coords)))
# names(r2) = paste("slice_",slices,"_array_",arrayname,".",patternnames, sep="")
# filename = paste(c(unlist(strsplit(filepath, split = "/")), paste("slice_",year,"_array_",arrayname,".tif",sep="") ), collapse = "/")
# res = writeRaster(x=r2, filename = filename, format = "GTiff", overwrite = overwrite)
# system(paste("rm -rf ",tmpfile))
# res
# })
# }
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