Boris Steipe boris.steipe at utoronto.ca writes:
Your workflow in principle is:
- read the image into an object for which you can obtain values-per-pixel
in a 2D structure;
- read the shapefile and convert into a polygon;
- determine the bounding box of the polygon;
- use the inout()
Dear all,
Thanks very much for your help! I will keep your suggestions in mind
and will get back to you if I get stuck!
On Tue, Jun 16, 2015 at 1:28 PM, Roger Bivand roger.biv...@nhh.no wrote:
Boris Steipe boris.steipe at utoronto.ca writes:
Your workflow in principle is:
- read the
Dear all,
I am trying to generate boxplots by giving a shapefile and an image as
input. The shapefile takes the pixel values from the image and shows
the distribution of pixels in the form of a boxplot.
Can somebody please tell me how I can execute this in R?
Many thanks!
--
Regards,
Preethi
Your workflow in principle is:
- read the image into an object for which you can obtain values-per-pixel in a
2D structure;
- read the shapefile and convert into a polygon;
- determine the bounding box of the polygon;
- use the inout() function of the splancs package to get a list of booleans
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