On Tue, 27 Jan 2009 08:57:17 -0600
John Hunter <jdh2...@gmail.com> wrote:
> On Tue, Jan 27, 2009 at 8:18 AM, Nils Wagner
> <nwag...@iam.uni-stuttgart.de> wrote:
>>> Thank you very much for your response.
>>> The horizontal distance between consecutive points is
>>> 5. in my application.
>>>
>>> Is the value of picker linked to the distance ?
>>> I mean
>>> How should I use picker to circumvent multiple results ?
>
> The scalar value of the picker is a epsilon tolerance in
>points (1
> point = 1/72 inches) so you will need to set this
>distance to be small
> enough to only overlap one point when you click.
>
> If you want to only return a single point, you can write
>a custom
> picker function to return only the point closest to the
>click point.
>
Unfortunately, I am not sure how to implement a custom
picker function.
Any pointer would be appreciated.
Thanks in advance.
Nils
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