Re: Help with 3D graphics

• To: mathgroup at smc.vnet.net
• Subject: [mg33862] Re: Help with 3D graphics
• Date: Sat, 20 Apr 2002 02:49:55 -0400 (EDT)
• References: <a9og0m\$df8\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```The simple answer is that you have an extra "Graphics3D[] that is not
needed with the Plot[ ] command.

Try this:

plotpoints = Show[
Graphics3D[{ PointSize[0.05], Point[{0, 0, 0}] } ],
Graphics3D[{ PointSize[0.05], Point[{0, 0, 1}] } ],
Graphics3D[{ PointSize[0.05], Point[{0, 1, 0}] } ],
Graphics3D[{ PointSize[0.05], Point[{0, 1, 1}] } ] ]

plotplane =
Plot3D[2x + y, {x, 0, 1}, {y, 0, 1}, PlotRange -> {0, 1} , ClipFill
-> None,
PlotPoints -> 50]

Show[plotplane,plotpoints]

Note the ordering has an effect.  Doing Show[plotpoints,plotplane]
also works but the axes are taken from the first entry and it looks
different

"Debbie Carlini" <dmc522 at earthlink.net> wrote in message news:<a9og0m\$df8\$1 at smc.vnet.net>...
> I am doing a project for school and need to be able to plot a 3D graph that
> goes from 0 to 1 in x, y and z directions.  I also need to be able to plot a
> set of 3d points on the same graph as the 3d graph.
> Here is what i have so far, the problem is that my second graph does not go
> from 0 to 1 in the z direction like the first graph.  I think it is a
> problem with converting Plot3D to Graphics3D.
>
> Show[
>   Graphics3D[{ PointSize[0.05], Point[{0, 0, 0}] } ],
>   Graphics3D[{ PointSize[0.05], Point[{0, 0, 1}] } ],
>   Graphics3D[{ PointSize[0.05], Point[{0, 1, 0}] } ],
>   Graphics3D[{ PointSize[0.05], Point[{0, 1, 1}] } ],
>   Graphics3D[
>     Plot3D[2x + y, {x, 0, 1}, {y, 0, 1}, PlotRange -> {0, 1},
>       ClipFill -> None  ]]
>
>   ]
>
> Would my problem be solved if i used ScatterPlot3D to plot the points.  The
> problem i've found with this is that ScatterPlot3D will not work in Show
> command.
>
> Thanks

```

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