Questions tagged «parallel»

1
使用R处理向量以更快地栅格化
我正在将向量转换为R中的栅格。但是,过程太长了。是否可以将脚本放入多线程或GPU处理中以使其更快地执行? 我的脚本栅格化矢量。 r.raster = raster() extent(r.raster) = extent(setor) #definindo o extent do raster res(r.raster) = 10 #definindo o tamanho do pixel setor.r = rasterize(setor, r.raster, 'dens_imov') 光栅 类:RasterLayer尺寸:9636、11476、110582736(nrow,ncol,ncell)分辨率:10、10(x,y)范围:505755、620515、8555542、8651792(xmin,xmax,ymin,ymax)坐标。参考 :+ proj = longlat + datum = WGS84 + ellps = WGS84 + towgs84 = 0,0,0 设定者 类:SpatialPolygonsDataFrame功能:5419范围:505755,620515.4,8555429,8651792(xmin,xmax,ymin,ymax)坐标。参考 :+ proj = utm …
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