Mercator: A Scalable, Extensible Web Crawler
Jun 26, 1999 · 3 1 Mercator's Components Figure€1 shows Mercator's main components Crawling is performed by multiple worker threads, typically numbering in the hundreds Each worker repeatedly performs the steps needed to download and process a document The first step of this loop is to remove an absolute URL from the shared URL frontier for downloading
Mercator TRAVELLER
Mercator is, then, an attempt to transport Traveller's ethos and game systems almost directly to the Roman Empire in the 1st and 2nd centuries AD The Third Imperium becomes the Roman Empire, Regina becomes Alexandria, and goods like dried fruits or fish sauce are traded instead of machine parts or radioactives
Maps and Cartography: Map Projections
Mercator ” The parallels of latitude are scaled by a factor of 0 8, projected according to Mercator, and then the result is divided by 0 8 to retain scale along the equator Thus, the equator is free of all distortion The entire earth, including the poles, can be presented in a rectangle without as much size exaggeration and
The Universal Transverse Mercator (UTM) Grid
Mercator Grid The National Imagery and Mapping Agency (NIMA) (formerly the Defense Mapping Agency) adopted a special grid for military use throughout the world called the Universal Transverse Mercator (UTM) grid In this grid, the world is divided into 60 north-south zones, each covering a strip 6° wide in longitude These zones are numbered
Map Projections - ICSM
small-scale Mercator map of the world disappears almost completely on a properly oriented large-scale Transverse Mercator map of a small area in the same high latitudes A large-scale (1:24,000) 7 5-minute USGS Topographic Map based on the Transverse Mercator projection is nearly correct in every respect
Topographic Map of the Moon - USGS
in horizontal position and ~1 m in radius (Mazarico and others, 2012) For the Mercator portion, these measurements were converted into a digital elevation model (DEM; Neumann and others, 2011) using Generic Mapping Tools software (Wessel and Smith, 1998), with a resolution of 0 015625 degrees per pixel, or 64 pixels per degree
Navigation Course - NTUA
Mercator chart was invented Overview Parallels: Circles parallel to the equator, ranging from 0° to 90° N or S Only the equator is a great circle Meridians: half‐circles converging at the poles, ranging from 0° to 180° E or W Each pair of opposing meridians forms a great circle
Introduction to the UTM coordinate system
Mercator projection, shows the zones in lines of parallel meridians (N/S lines) and distorts the map most nearest the poles, and least nearest the equator ) As an example, please notice that Benin is located in zone 31N (located within the red circle, Benin is entirely north of the equator) Many countries cross more than one zone You must
HANCOCK, Graham - Fingerprints of the Gods
Graham Hancock – FINGERPRINTS OF THE GODS 1 FINGERPRINTS OF THE GODS Also by Graham Hancock Journey Through Pakistan Ethiopia: The Challenge of Hunger
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