Question

我安装了gnuplot个包。

有没有办法绘制3D表面和它上面的一些点（即我需要在一个地方全部）？

表面由函数定义，并按坐标指定。

我找不到它的正常文档，也无法完全理解这个包的来源（对我来说太大而且太复杂了）。

我可以找到，如何分开，但我需要它在一起。我找不到这样做的例子。

如果有这样的方式，我需要文档或示例。

请帮我解决问题。提前谢谢！

*的 UPD *

请求的代码

module Main where

import qualified Graphics.Gnuplot.Advanced as GP

import qualified Graphics.Gnuplot.MultiPlot as MultiPlot

import qualified Graphics.Gnuplot.Frame as Frame
import qualified Graphics.Gnuplot.Frame.OptionSet as Opts
import qualified Graphics.Gnuplot.Frame.OptionSet.Style as OptsStyle
import qualified Graphics.Gnuplot.Frame.OptionSet.Histogram as Histogram

import qualified Graphics.Gnuplot.Graph as Graph

import qualified Graphics.Gnuplot.Plot.ThreeDimensional as Plot3D
import qualified Graphics.Gnuplot.Graph.ThreeDimensional as Graph3D

import qualified Graphics.Gnuplot.Plot.TwoDimensional as Plot2D
import qualified Graphics.Gnuplot.Graph.TwoDimensional as Graph2D
import Graphics.Gnuplot.Plot.TwoDimensional (linearScale, )

import qualified Graphics.Gnuplot.LineSpecification as LineSpec

import qualified Data.Time as Time

--import qualified Paths_gnuplot as Path
import System.FilePath ((</>), )

import Data.Array (listArray, )
import Data.Foldable (foldMap, )
import Data.Monoid (mappend, )

list2d :: Plot2D.T Int Integer
list2d =
   Plot2D.list Graph2D.listPoints [0,1,1,2,3,5,8,13::Integer]

wave3d :: Frame.T (Graph3D.T Double Double Double)
wave3d =
   let meshNodes = linearScale 100 (-2,2)
   in  Frame.cons
          (Opts.grid True $
           Opts.xRange3d (-2.5,2.5) $
           Opts.yRange3d (-2.5,2.5) $
           defltOpts) $
        Plot3D.surface
          meshNodes meshNodes
          (\x y -> sqrt(x*y))

defltOpts :: Graph.C graph => Opts.T graph
defltOpts =
   Opts.key False $
   Opts.deflt

main :: IO ()
main = sequence_ $
   GP.plotDefault list2d : -- I want points like there, but in 3d, determined by coordinates list
   GP.plotDefault wave3d : -- and surface like there
   []

用Haskell绘制3d表面和一些点到gnuplot包装器包

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