topographic map · political map · geographic coordinates · degree of longitude · capital city · bathymetric map · south magnetic pole · north magnetic pole · IDL · Earth

Based on these theories, it develops a GIS map projection software using Visual C++ as a platform. The software consists of two parts: analytical ordinal transformation and analytical athwart transformation. Analytical athwart transformation implements map projective transformation with coefficients obtained through numerical method, which is also the main idea of this paper. Map projective transformation process is illustrated with the examples of Mercator projection and conic projection.

地圖投影建立了平面上的點(用平面直角坐標(biāo)或者極坐標(biāo)表示)和地球表面上的點之間的函數(shù)關(guān)系8x国产精品V片在线，而地理信息系統(tǒng)以平面直角坐標(biāo)形式通過計算機(jī)圖形學(xué)的方法表示2維或3維地理空間信息，因此秋霞理论理论视频免费看，地圖投影起到了地球空間與地理信息系統(tǒng)之間的坐標(biāo)轉(zhuǎn)換的橋梁作用[1]精品剧情日韩欧美在线观看网站免费。

Its universality: its democratic equality and constancy to its nature in seeking its own level: its vastness in the ocean of Mercator's projection: its unplumbed profundity in the Sundam trench of the Pacific exceeding 8000 fathoms: the restlessness of its waves and surface particles visiting in turn all points of its seaboard: the independence of its units: the variability of states of sea: its hydrostatic quiescence in calm: its hydrokinetic turgidity in neap and spring tides: its subsidence after devastation: its sterility in the circumpolar icecaps, arctic and antarctic: its climatic and commercial significance: its preponderance of 3 to 1 over the dry land of the globe: its indisputable hegemony extending in square leagues over all the region below the subequatorial tropic of Capricorn: the multisecular stability of its primeval basin: its luteofulvous bed: its capacity to dissolve and hold in solution all soluble substances including millions of tons of the most precious metals: its slow erosions of peninsulas and islands, its persistent formation of homothetic islands, peninsulas and downwardtending promontories: its alluvial deposits: its weight and volume and density: its imperturbability in lagoons and highland tarns: its gradation of colours in the torrid and temperate and frigid zones: its vehicular ramifications in continental lakecontained streams and confluent oceanflowing rivers with their tributaries and transoceanic currents, gulfstream, north and south equatorial courses: its violence in seaquakes, waterspouts, Artesian wells, eruptions, torrents, eddies, freshets, spates, groundswells, watersheds, waterpartings, geysers, cataracts, whirlpools, maelstroms, inundations, deluges, cloudbursts: its vast circumterrestrial ahorizontal curve: its secrecy in springs and latent humidity, revealed by rhabdomantic or hygrometric instruments and exemplified by the well by the hole in the wall at Ashtown gate, saturation of air, distillation of dew: the simplicity of its composition, two constituent parts of hydrogen with one constituent part of oxygen: its healing virtues: its buoyancy in the waters of the Dead Sea: its persevering penetrativeness in runnels, gullies, inadequate dams, leaks on shipboard: its properties for cleansing, quenching thirst and fire, nourishing vegetation: its infallibility as paradigm and paragon: its metamorphoses as vapour, mist, cloud, rain, sleet, snow, hail: its strength in rigid hydrants: its variety of forms in loughs and bays and gulfs and bights and guts and lagoons and atolls and archipelagos and sounds and fjords and minches and tidal estuaries and arms of sea: its solidity in glaciers, icebergs, icefloes: its docility in working hydraulic millwheels, turbines, dynamos, electric power stations, bleachworks, tanneries, scutchmills: its utility in canals, rivers, if navigable, floating and graving docks: its potentiality derivable from harnessed tides or watercourses falling from level to level: its submarine fauna and flora, numerically, if not literally, the inhabitants of the globe: its ubiquity as constituting 90 percent of the human body: the noxiousness of its effluvia in lacustrine marshes, pestilential fens, faded flowerwater, stagnant pools in the waning moon.

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A VC prepared Mercator projection procedures that will achieve the basic functions of the projector.

一個用VC++編寫墨卡托投影程序先锋资源二区，能實現(xiàn)基本的投影功能。

Only prejudice, and the trick of the Mercator projection, prevents us from recognizing the enormity of the African continent.

是偏見和麥卡托投影所造成的假象阻礙了我們對廣袤非洲大陸的認(rèn)識黄片视频在线免费观看高清无码。

For example, the Mercator projection is widely used by boats and ships because it produces a map in which lines of constant bearing are a straight line, which greatly simplifies navigation.

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Mercator projection：墨卡托投影

94 墨卡托投影 (Mercator projection) 正軸等角圓柱投影. 由荷蘭地圖學(xué)家墨卡托(G.Mercator)于1569年創(chuàng)擬. 假想一個與地軸方向一致的圓柱切或割于地球,按等角條件,將經(jīng)緯網(wǎng)投影到圓柱面上,將圓柱面展為平面后,即得本投影.

Mercator projection：麥卡托投影

麥卡托投影 Mercator map projection | 麥卡托投影 Mercator projection | 賣得利線狀基線尺 Jaderin wire

Mercator projection：麥卡托投影法

魚膠粉 gelatin | 麥卡托投影法 Mercator projection | 麻花鑽 drill bits

Mercator projection：麥克托投影

Mercator course 麥克托航線 | Mercator projection 麥克托投影 | mercurial barometer 水銀氣壓計

oblique Mercator projection：斜切漸長海圖

oblique Mercator chart 斜切漸長海圖斜圓柱正形投影 | oblique Mercator projection 斜切漸長海圖 | oblique orbit 斜軌道