像点坐标
航空像片上以方位线为准建立的直角坐标系统。像主点为坐标系的原点，像片方位线为X轴，并以右方向为正方向；Y轴是通过像主点且垂直于X轴的直线，以上方为正方向。利用像点坐标，像片上任何像点的位置都可以确定。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Remote sensing
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| English |
|---|
| Name | picpointed coordinate |
| Chinese |
|---|
| Name | 像点坐标 |
| Description | 航空像片上以方位线为准建立的直角坐标系统。像主点为坐标系的原点，像片方位线为X轴，并以右方向为正方向；Y轴是通过像主点且垂直于X轴的直线，以上方为正方向。利用像点坐标，像片上任何像点的位置都可以确定。 |
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NNU_Group (2011). 像点坐标, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/b2c165a1-bc0b-4d0e-a2df-f8e191d8911b
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