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 wrote:
> Boris Steipe utoronto.ca> writes:
>
>>
>> Your workflow in principle is:
>>
>> - read the image into an object for whi
Boris Steipe 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() function of
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 for
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