| 重磁等值线与经纬网的分离及其矢量化 |
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| 引用本文： | 余生晨.重磁等值线与经纬网的分离及其矢量化[J].物探化探计算技术,1999,21(2):159-160,164. |
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| 作者姓名： | 余生晨 |
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| 作者单位： | 吉林大学 |
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| 摘 要： | 本文利用经纬网在局部范围的直线性直线的平均ｆｒｅｅｍａｎ链码等于其上任意一点的链码的这一特性，达到自动分离经纬网与等值线的目的，为实现等值线图的自动矢量化打下了基础。
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| 关 键 词： | 等值线 经纬网 链码 分离 矢量化 重磁资料 |
SEPARATION OF GRAVITY(MAGNETIC) CONTOUR LINES AND LONGITUDINAL AND LATITUDINAL LINES AND CONTOUR'S VECTORIZATION |
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| Yu Shengchen.SEPARATION OF GRAVITY(MAGNETIC) CONTOUR LINES AND LONGITUDINAL AND LATITUDINAL LINES AND CONTOUR'S VECTORIZATION[J].Computing Techniques For Geophysical and Geochemical Exploration,1999,21(2):159-160,164. |
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| Authors: | Yu Shengchen |
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| Abstract: | Based on the straight property of longitudinal and latitudinal lines in partial scope, contour lines are separated with them automatically by taking advantage of property that the average freeman chain code of straight line is equal to its separate one, so as to realize the automatic vectorization of contour lines. |
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| Keywords: | contour line longitudinal lines latitudinal lines chain code of straight line separation |
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