Blog
A Correctly Weighted Least Squares Adjustment, Part 4
Correct Weights In previous articles (January, February, and April 2016) I discuss the unreliability of standard deviations when they are computed from a small sample of observations and their use in developing the stochastic (weight) model for a least squares adjustment. This is followed with how to: (1) estimate errors in centering an instrument over...
Kespry: Anatomy of a UAV Start-Up
Above: CEO and founder Paul Doersch, a Stanford alum, explains Kespry’s unique rental/cloud arrangement. Kespry offers much more than a bird’s eye view. Take a computer scientist from Stanford University (who’s worked in Silicon Valley doing research for BMW on self-driving cars and smartphone integration) and add some grads from MIT and Cal Tech (with...
xyHt News Links: 5/20/16
Teledyne Optech and GeoShack sign North American distribution agreement CHC launches high-end GNSS receiver for science, surveying HP Delivers World’s First Production-Ready 3D Printing System COPTRZ™ Launch: Changing The Face Of Construction With Drones Optech Eclipse to be introduced to international audiences at GEO Business UK Esri introduces high-precision GNSS mobile GIS software
Ten Minutes
Invest time in the future of the profession—fill out the questionnaire! Editor’s note: This column continues to provide monthly coverage of the Forum on the Future of Surveying (FFOS): a national initiative with representatives from 15 key surveying-related associations to examine paths forward for the profession. See the first installment in our March issue. One...
Crossing the Barrier
Above: The Barrier Islands off the Gulf Coast are threatened by coastal land loss. A Louisiana university overcame a barrier facing scientific research of coastal land loss—with a UAS. “We are losing an acre of coastline every 30 minutes,” says Dr. Gary LaFleur Jr., associate professor of biological sciences at Nicholls State University in Louisiana. And...
Using CartoDB
Above: This choropleth map of the distribution of street trees by neighborhood in Porland, Oregon, was created in CartoDB in eight minutes, using public data. From creating a map in eight minutes to creating market predictions based on streamlined analysis. Among the many mapping programs available, CartoDB stands out for its ease of use and sophistication....
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