Re: scatter plot

See the attached.

--Mary

On Sep 25, 2012, at 12:48 PM, Mary Haley wrote:

> Sorry, I don't think I answered the right question.
>
> I will try to come up with an example for you, but it may not happen for a few hours.
>
> --Mary
>
> On Sep 25, 2012, at 12:43 PM, Mary Haley wrote:
>
>> You could turn your 3D array (ngroups x ny x nx) into a 2D array that is dimensioned ngroups x (nx*ny) by using ndtooned/onedtond, or "reshape" (if you have V6.1.0-beta):
>>
>>
>> dims3d = dimsizes(my3darray)
>> dims2d = (/dims3d(0),dims3d(1)*dims3d(2))
>>
>> my2darray = onedtond(ndtooned(my3darray),dims2d)
>>
>> or, in V6.1.0-beta:
>>
>> my2darray = reshape(my3darray,dims2d)
>>
>>
>> --Mary
>>
>> On Sep 25, 2012, at 11:17 AM, cheryl Ma wrote:
>>
>>> Thanks, Mary.
>>>
>>> This example use gsn_csm_y, using index values for the X axis. In my case I want to use the real X and Y values.
>>> So do I need to create a 3D array (2D array in the example) to hold X, Y, and group number?
>>>
>>> Thanks,
>>> Xiaoyan
>>>
>>> On Mon, Sep 24, 2012 at 12:34 PM, Mary Haley <haley@ucar.edu> wrote:
>>> Hi Xiaoyan,
>>>
>>> See example scatter_8.ncl at:
>>>
>>> http://www.ncl.ucar.edu/Applications/scatter.shtml
>>>
>>> --Mary
>>>
>>> On Sep 24, 2012, at 8:55 AM, cheryl Ma wrote:
>>>
>>>> Hi all,
>>>>
>>>> I want to make a scatter plot, with color coded as a function of density (looks like the plot attached below).
>>>> Generally I use gsn_csm_xy to make scatter plot. Does anyone know how to make a scatterplot as shown?
>>>>
>>>> Thanks in advance,
>>>> Xiaoyan
>>>>
>>>> <image.png>
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>>>
>>
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