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Re: Identifying tags within a region [message #94112 is a reply to message #94110]

Fri, 20 January 2017 08:11

Markus Schmassmann
Messages: 129
Registered: April 2016

Senior Member

On 01/20/2017 04:29 PM, Alice wrote:
> Does anyone know how to retrieve the tags in a chosen region?
> Using where condition I chose pixels (ref_ppix) that satisfy a certain condition.
> This region have multiple number tags starting from 1.
> The command I used is:
> loc_p = where(id_chk[ref_ppix] gt 0)
>
> Here, ref_ppix comes from one image and I collect loc_p in a different image id_chk, which returns locations that have tag > 0.
>
> I want to know how many tags are there and the method to get those tags.
>
> Any help would be appreciated.

I'm not sure I understand what you want to do, but if I do, LABEL_REGION
might be what you are looking for.

http://www.harrisgeospatial.com/docs/LABEL_REGION.html

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[Message index]

		Identifying tags within a region By: ann[1] on Fri, 20 January 2017 07:29
		Re: Identifying tags within a region By: Markus Schmassmann on Fri, 20 January 2017 08:11
		Re: Identifying tags within a region By: ann[1] on Fri, 20 January 2017 08:23
		Re: Identifying tags within a region By: Matthew Argall on Fri, 20 January 2017 10:36
		Re: Identifying tags within a region By: Markus Schmassmann on Mon, 23 January 2017 02:29
		Re: Identifying tags within a region By: Markus Schmassmann on Mon, 23 January 2017 02:29

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