with open(file) as f:
for record in f:
year, month, day, time, magnitude = record.split()
if magnitude > 5:
raise_alarm() > Lidar data is collected by low-, slow-flying aircraft with equipment
> that shoots millions of laser points to the ground. ... It is
> possible to strip buildings and vegetation from the images, so that
> only the ground is shown. In the Willamette River poster, the shades
> of white and blue show elevations. The purest white color is the
> baseline, (the zero point, at the lowest point near Independence on
> the upper part of the image). The darkest blue is 50 feet (or higher)
> than the baseline.
Very cool, and really a beautiful image. Contour lines on a topographic map show the same data, but mapping the elevation to a color range and clipping out elevations outside the river's effects really make this unlike anything I've seen before.