Maurizio provided his data set offline. The code + data + sample plots
are in this gist:
https://gist.github.com/hrbrmstr/e29cf9138e480db9e67d
The data is just as he described it, so it's really just a matter of
creating some polygons from the the points spline interpolation:
library(ggplot2)
Can you provide a (small) real set of data (with real values for x & y)?
On Wed, Aug 5, 2015 at 9:56 AM, Maurizio Marchi
wrote:
> photosynthetic
> radiation
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Dear Jon
I have to thank you so much for solving this issue. I did't notice that
there was a projection and grid problem.
I hope I would be able to move forward with my analysis with R and perhaps
still need your kind and much appreciated help.
Cheers
Anand
On Wed, Aug 5, 2015 at 12:08 PM, Jon
Hi everybody,
I'm maurizio Marchi and I'm working as a post-doc at the Forestry Research
Centre of Arezzo (Italy) and I have a question concerning spatial points
management.
During my research activities I have to collect data about the crown
projection on the ground of trees. The aim is to "measur
