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Re: Find the nearest location only on left/right side in SRCOR and MATCH_2D function [message #78318]

Fri, 11 November 2011 08:19

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On 11/11/11 7:22 AM, vijay s wrote:
> Hi,
>
> I want to match two set of coordinates for that i had used SRCOR
> and MATCH_2D function. These two find the nearest neighbor of
> locations in all directions. But, i need to find the location (x2,y2)
> which is near and only left side of x1,y1.For all pair i want the left
> most nearest. How i can change the above functions for my
> requirements.
>
>
> Thanks

I think that you can do this very efficiently in MATCH_2D by simply
replacing the i for loop with i=1. I.e. replace:

for i=0,1 do begin ;; Loop over 4 bins in the correct quadrant direction

with

i=1 ;; Only look to the right of x2,y2

and get rid of the last endfor.

-Jeremy.

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