Mapping | Maps, Photos, Videos, Aerial Photography, Charts | Page 42

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More trees than there were 100 years ago? It’s true!

Andy | July 4, 2014

There are far more trees nowadays in America than in 1800s.

Overlay lat/long graticules on projected map QGIS

Andy | May 14, 2014

Overlay lat/long graticules on projected map QGIS

A very clever, and good way to add to a latitude and longitude grid to a QGIS map that is projected in Universal Transverse Mercator.

Researchers in Syracuse are tapping walnut trees (and a birch)

Andy | April 22, 2014

Walnut and Birch tree syrup. Interesting.

An Imaginary Town Becomes Real, Then Not. True Story.

Andy | March 19, 2014

An Imaginary Town Becomes Real, Then Not. True Story : Krulwich Wonders… : NPR.

For the record, I have driven through Agloe, NY. Not on purpose, but because the covered bridge on Campground Road in Beaverkill has a clearance of 6'8", and my truck wouldn't fit through it. It's a bit of a detour, but a historic one too.

Traditional harvesting of maple sugar from forests may give way to tree farms

Andy | March 3, 2014

New ways of harvesting maple syrup? What does this mean to the forest cover?

How Much Hillshade is Too Much for Choropleth Maps?

Andy | February 14, 2014

Wondering what is the best level of hillshade for use in choropleth maps.

I recently did two maps of Northern Schoharie County’s Median Household Income. I did one with hillshade exaggeration set to 5x while the other one was the normal 1x that I use on both maps. I am divided on which is the prettier map.

Moderate Hillshade

More Extreme Hillshade

I kind of like both maps, but I think the more extreme hillshade is distracting. On the other hand, the more extreme hillshade does bring out the terrain better, and make it easier to perceive the edge of each census blockgroup.

This may be terrain dependent. In a flatter part of the state, such as along Lake Ontario, it may make more sense to increase the amount of hillshade to better capture some of the details of the landscape.

A Little Hillshade Can Make Choropleth Maps Purty

Andy | February 10, 2014

A little hillshade on a chorpleth map can sure make things a little prettier.

Somewhat accidentally, I started adding hillshade and then rivers and waterbodies to the choropleth maps I was making up. I was shocked by the simple beauty, and how one could make a map much more attractive by adding these relatively minor and unimportant details to a map.