Dear Researchers,<br><br>nobody know same fuction to draw an asymmetric ellipse as the fig starting from a data.frame<br><br>cc <- data.frame(ID = 1, xx= 4256300, yy= 336235, N = 5.3, S= 2.1, W =
3.5, E= 0.3)<br><br>or<br><br>cc <- data.frame(ID = 1, xx= 4256300,
yy= 336235, y = 7.4, x=3.8)<br><br>where xx and yy are the coordiante of centre<br>thanks for help (i need)<br><br>Gianni<br>