Re: Re: can't get ListVectorPlot3D to work.

• To: mathgroup at smc.vnet.net
• Subject: [mg107559] Re: [mg107551] Re: [mg107506] can't get ListVectorPlot3D to work.
• From: bsyehuda at gmail.com
• Date: Wed, 17 Feb 2010 07:01:59 -0500 (EST)
• References: <201002151046.FAA28191@smc.vnet.net>

```Yes it seems so. Being in a hurry is not a good time to look at the fine
details
:)

On Tue, Feb 16, 2010 at 10:57 PM, DrMajorBob <btreat1 at austin.rr.com> wrote:

> The OP's example DOES fit the second description, and Help is just wrong.
>
> Bobby
>
>
> On Tue, 16 Feb 2010 05:11:20 -0600, <bsyehuda at gmail.com> wrote:
>
>  The way you try to do it does not conform with the documentation.
>> ListVectorPlot3D expect either
>> 1. a rectangular array of height values
>> 2. A list. The element of the list are TWO lists, in which the first is
>> point and the second is the vector (of the field) at that point
>>
>> so, unless you meet with one of the requirements you cannot do it
>>
>> yehuda
>>
>> On Mon, Feb 15, 2010 at 12:46 PM, 1.156 <rob at piovere.com> wrote:
>>
>>  *********
>>> HELP states: ListVectorPlot3D[{{ {x1,y1,z1},{vx1,vy1,vz1}}, ...}]
>>> generates 3D vector plot from vector field values {vxi,vyi,vzi} given at
>>> specified points {xi,yi,zi}.
>>>
>>> But, I get nothing but an empty box when trying this:
>>>
>>> pts={   {{3., 0, 0}, {-2.15667, 3.39688, 4.02369}},
>>> {{0.843326, 3.39688, 4.02369}, {-4.19657, -2.394, 4.8314}},
>>> {{-3.35324, 1.00288, 8.85509}, {2.19306, -4.30499, 4.8314}},
>>> {{-1.16019, -3.30212, 13.6865}, {4.4038, 1.98721, 4.8314}},
>>> {{3.24361, -1.31491, 18.5179}, {-1.77692, 4.49277, 4.8314}}   }
>>>
>>> ListVectorPlot3D[pts]
>>>
>>> I've spent hours trying various options and have never seen a plot yet.
>>> (VectorPoints->All seemed most promising but got nowhere.)
>>> Surely I'm misinterpreting something --can someone please enlighten me
>>> as to what? Using V7 on XP.
>>>
>>> Thanks, Rob
>>>
>>>
>>>
>>>
>
> --
> DrMajorBob at yahoo.com
>

```

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