Dear Robert,
yes you are right -- pictures can be misleading; I have found the missing
pixels.
Thanks a lot for this,
best Thiemo
Thiemo Fetzer
London School of Economics
STICERD
Houghton Street
WC2A 2AE London
United Kingdom
office: 32L, 3.01 D
tel: +44 7411 566845
skype: thiemo.fetze
Thiemo,
I think the plot does not show all the pixels. Simpler script:
tempr <- raster(USA.highway)
dim(tempr) <- c(4480, 2080)
USA.highwayraster <- rasterize(USA.highway, tempr, progress='text')
# high resolution plot (but how many pixels does your screen have?)
plot(USA.highwayraster, maxpixels
Dear all,
I have another question or problem -- this time it is related to the
transformation of a Spatial Lines shapefile into a raster.
Let me describe my problem: I want to construct a measure of travel distance
from A<->B; I have obtained a shapefile of the highway network of the US; in
or
