importFrom("raster", stack, brick, rotate, nlayers, shift, projectRaster, extension, is.factor, as.factor, removeTmpFiles, rasterToPolygons, raster, projection, rasterize, writeRaster, extent, calc, getValues, "values<-", getZ, setZ, minValue, maxValue, image, ncol, nrow)
importFrom("sp", coordinates, over, bbox, spplot, is.projected, SpatialPixelsDataFrame, gridparameters, GridTopology)

importFrom("raster", extract, stack, brick, rotate, nlayers, shift, projectRaster, extension, is.factor, as.factor, removeTmpFiles, rasterToPolygons, raster, projection, rasterize, writeRaster, extent, calc, getValues, "values<-", getZ, setZ, minValue, maxValue, image, ncol, nrow)

importFrom("raster", extract, stack, brick, rotate, nlayers, shift, projectRaster, extension, is.factor, as.factor, removeTmpFiles, rasterToPolygons, raster, projection, rasterize, writeRaster, extent, calc, getValues, "values<-", getZ, setZ, minValue, maxValue, image, ncol, nrow, ncell)

importFrom("XML", xmlValue, "xmlValue<-", xmlAttrs, "xmlAttrs<-", xmlNode, xmlSize, xmlParse, xmlTreeParse, xmlInternalTreeParse, xmlGetAttr, xmlName, xmlToList, newXMLDoc, newXMLNode, parseXMLAndAdd, xmlChildren, saveXML, xmlRoot, xpathApply, compareXMLDocs, append.XMLNode, xmlSchemaValidate, xmlSApply)
importClassFrom(XML, XMLInternalDocument, XMLAbstractNode, XMLNode, HTMLInternalDocument)

importFrom("grDevices", "col2rgb", "dev.cur", "dev.list", "dev.new", "dev.off", "dev.set", "colorRamp", "colorRampPalette", "png", "rgb")
importFrom("graphics", "barplot", "image", "par", "persp", "pie", "polygon", "rect", "segments", "abline", "axis", "boxplot", "dotchart", "hist", "lines", "mtext", "points", "text")
importFrom("stats", "cutree", "dist", "dnorm", "hclust", "na.omit", "rnorm", "runif", "as.formula", "median", "quantile", "time", "var")
importFrom("utils", "compareVersion", "head", "write.table", "data", "glob2rx", "object.size", "read.csv", "setTxtProgressBar", "txtProgressBar")
importFrom("raster", extract, stack, brick, rotate, nlayers, shift, projectRaster, extension, is.factor, as.factor, removeTmpFiles, rasterToPolygons, raster, projection, rasterize, writeRaster, extent, calc, getValues, "values<-", getZ, setZ, minValue, maxValue, image, ncol, nrow, ncell, res)