If you encounter a "Processing error:" then refresh
the page and wait for the modules to load before retrying.
Canofi works best in Chrome. In FireFox desktop, if the
page is refreshed 2-3 times the app might run out of memory.
If this happens close the browser completely and start again.
We have had mixed success with mobile, switch to Chrome
desktop if you have issues.
On mobile the image may download as a document file
with no file ending. In that case, locate the file and rename
it to hemi.png and your phone should show it as an
Canofi is an educational tool. Please do not use Canofi
for critical research as image quality is degraded and
accuracy cannot be guaranteed.
LAI is very sensitive to the threshold parameter! Change the value
and toggle the threshold image checkbox to optimise estimated LAI.
The LAI algorithm is a port
Hemiphot.R . [Hans ter Steege (2018). Hemiphot.R: Free
R scripts to analyse hemispherical photographs for canopy
openness, leaf area index and photosynthetic active radiation
under forest canopies. Unpublished report. Naturalis
Biodiversity Center, Leiden, The Netherlands].
Note that the LAI is also an approximate value, and
should be treated with caution. The LAI shown here is
uncorrected for woody area or clumping and is sometimes known
as the plant area index (PAI).
Everything takes place in the browser using the magic