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Re: Identifying tags within a region [message #94115 is a reply to message #94112]

Fri, 20 January 2017 08:23

ann[1]
Messages: 9
Registered: December 2012

Junior Member

On Friday, 20 January 2017 17:11:34 UTC+1, Markus Schmassmann wrote:
> 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

Hi Markus,

I have two images that I already labelled with numbers.
Now, I chose a small region from image1 and want to get the tags in image2 that share the same spatial locations.

Alice

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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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