30 lines
806 B
R
30 lines
806 B
R
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library(lattice)
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pdf("shade-wireframe.pdf")
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classicShadePalette <- function(irr, ref, height, saturation = .9)
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{
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hsv(h = height, s = 1 - saturation * (1 - (1-ref)^0.5), v = irr)
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}
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trellis.par.set(shade.colors = list(palette = classicShadePalette))
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wireframe(volcano, shade = TRUE)
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## Using makeShadePalette()
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## matte
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cm.palette <- makeShadePalette(cm.colors(10), pref = 0.2)
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trellis.par.set(shade.colors = list(palette = cm.palette))
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wireframe(volcano, shade = TRUE)
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## glossy
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cm.palette <- makeShadePalette(cm.colors(10), pref = 1.2)
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trellis.par.set(shade.colors = list(palette = cm.palette))
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wireframe(volcano, shade = TRUE)
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ygb.palette <- makeShadePalette(rev(hcl.colors(12, "YlGnBu")))
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trellis.par.set(shade.colors = list(palette = ygb.palette))
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wireframe(volcano, shade = TRUE)
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dev.off()
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