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我使用rgl軟件包支持編寫了以下測試代碼。我怎麼能爲這個情節添加一個色階? 謝謝。R將colormap圖例和勾號軸添加到rgl surface3d
require(rgl);
x=1:100;
y=1:100;
z=matrix(sort(abs(rnorm(100*100,50,30))),100,100)
H <- z
Hlim <- round(range(H[!is.na(H)]))
Hlen <- Hlim[2] - Hlim[1] + 1
colorlut <- terrain.colors(Hlen,alpha=0) # height color lookup table
col <- colorlut[ H-Hlim[1]+1 ] # assign colors to heights for each point
surface3d(x,y,z,color=col);
#persp3d(x,y,z,color=col);