| 正轴园锥投影中的极点形状分析 |
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| 引用本文： | 吕成文. 正轴园锥投影中的极点形状分析[J]. 安徽师范大学学报(自然科学版), 1997, 20(1): 91-95 |
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| 作者姓名： | 吕成文 |
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| 作者单位： | 安徽师范大学地理系 |
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| 摘 要： | 本文对正轴园锥投影中的极点形状进行了分析，得等角园锥投影中的极点形状为点，等积、等距园锥投影中的极点形状为园弧，特殊情况下全部投影为点，并将这一结论推广到正轴方位投影和正轴园柱投影中。
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| 关 键 词： | 正轴园锥投影 园锥系数 地图 投影 极点形状 |
AN ANALYSIS ON THE POLAR SHAPE IN UPRIGHT AXIS'''' MAP PROJECTION OF CONE |
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| Abstract: | In this paper, the writer gives an analysis on the polar shape in upright axis' map projection of cone, and draws the conclusions: the polar shape in equal angle map projection of cone is a point, the one in equal area or equal distance map projection of cone is a arc, the ones of the three kinds of map projection are all points in some special case. Besides, the conclusions are spread to upright axis' map projection of azimuth and upright axis' map projection of cylinder. |
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| Keywords: | upright axis' projection of cone ratio of length conical coefficient |
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