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The Behrmann projection with Tissot's indicatrices The Mercator projection with Tissot's indicatrices. In cartography, a Tissot's indicatrix (Tissot indicatrix, Tissot's ellipse, Tissot ellipse, ellipse of distortion) (plural: "Tissot's indicatrices") is a mathematical contrivance presented by French mathematician Nicolas Auguste Tissot in 1859 and 1871 in order to characterize local ...
In the book, Tissot argued for his method, reportedly demonstrating that "whatever the system of transformation, there is at each point on the spherical surface at least one pair of orthogonal directions which will also be orthogonal on the projection." [5] Tissot employed a graphical device he called the ellipse indicatrice or distortion ...
Tissot's indicatrices on the Mercator projection. The classic way of showing the distortion inherent in a projection is to use Tissot's indicatrix. Nicolas Tissot noted that the scale factors at a point on a map projection, specified by the numbers h and k, define an ellipse at that point. For cylindrical projections, the axes of the ellipse ...
With 15.5 million U.S. adults currently diagnosed with ADHD, there is a growing focus on warning signs of the disorder. Mental health experts share the most common signs and symptoms.
A North Carolina father was arrested Monday after allegedly storming into a high school and choking a teenage student in a caught-on-video attack. Quinton Lofton, 43, was charged with felony ...
“Over the past twenty-four months of this investigation, my subcommittee staff have faced incredible obstacles in pursuit of the truth; missing and deleted documents, hidden evidence ...
6 Clearing up the math. 1 comment. 7 Tissot software demonstration video. 1 comment. 8 Maybe a wrong picture? 1 comment. ... 13 Tissot indicatrix at a singularity.
An explosion sank a sanctioned Russian cargo ship in the Mediterranean Sea on Monday night, Russian authorities said, leaving two crew members missing. The crisis center of the Russian Foreign ...