import(methods, tools)
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("RColorBrewer", brewer.pal)
importFrom("scales", rescale)
importFrom("colorspace", coords, hex, mixcolor, HSV)
importFrom("classInt", classIntervals, findColours)
importFrom("plotrix", color.legend)
importFrom("dismo", maxent)
importFrom("gstat", variogram, variogramLine)
importFrom("zoo", as.Date, index)
importFrom("pixmap", pixmapIndexed, pixmapRGB)
importFrom("plyr", aaply, laply, llply, ldply)
importFrom("RSAGA", set.file.extension, rsaga.env, rsaga.get.version, rsaga.geoprocessor)
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)
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("aqp", profile_id, idname, horizonDepths, siteNames, site, horizons)
importClassFrom(aqp, SoilProfileCollection)

import("sp")
import("sf")
import("stars")
import(rgdal)
import(stringr)
import(colorRamps)
importClassFrom(spacetime, STTDF, STIDF)

exportClasses(SpatialMetadata,
	sp.palette,
	SpatialPhotoOverlay,
	SpatialPredictions,
	SpatialVectorsSimulations,
	RasterBrickSimulations,
	RasterBrickTimeSeries,
	SpatialMaxEntOutput,
	SpatialSamplingPattern)
exportMethods(
	getCRS,
	GetNames,
	GetPalette,
	kml,
	kml_layer,
	kml_metadata,
	reproject,
	spMetadata,
	metadata2SLD,
	plotKML,
	vect2rast,
  summary)
S3method(plot, SpatialPredictions)
export(check_projection, parse_proj4)
exportPattern("^[^\\.]")