[magick-users] Brightest Pixel Location

[nptlnik]

yes, it seems that my syntax is a bit off, i will be adjusting it, however it
does seem to dump the gray scale (photo1) and txt file fine at the minute. 
The cropping seems to work a charm as it limits the amount of data which can
be quite large in some higher resolution images. 


Fred Weinhaus wrote:
> 
> Proper convert syntax has the input image right after "convert"
> 
> convert input  ...options...  output
> 
> 
> It looks to me that you have too many outputs. What is photo1.jpg?  I
> assume photo.jpg is your input and photo.txt is the text file.
> 
> I am not sure you are not getting everything output to your text file and
> not just the values that match. I am no expert on unix to tell you how to
> get this output to a file. I tried and have not come up with a good
> solution, yet.
> 
> But with regard to limiting your search to the center. You can do that as
> follows:
> 
> convert rose: -gravity center -crop 40x40+0+0 -type Grayscale -fx
> "u==1?debug(u):1; u" null:
> 
> this gives you a search only in the center 40x40 region 
> 

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