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- A stereoplotter uses stereo photographs to determine elevations. It has been the primary method to plot contour lines on topographic maps since the 1930s. Although the specific devices have advanced technologically, they are all based on the apparent change in position of a feature in the two stereo photographs. Stereoplotters have changed as technology has improved. The first stereoplotters where projection stereoplotters they used only the light rays and optics to adjust the image. The Kelsh Plotter is an example of the projection stereoplotters. The analog stereoplotters came next and were more sophisticated in that they used more sophisticated optics to view the image. The analytical stereoplotter is used today. It incorporates a computer which does the work of mathematically aligning the images so that they line up properly. The analytic stereoplotter also allows for storing the data and redrawing at any desired scale. (en)
- Il restitutore analogico è uno speciale stereoscopio utilizzato nell'osservazione di fotogrammi stereometrici. (it)
- 立体绘图仪是一种使用立体影像绘制地形图等高线的绘图设备，用于摄影测量中模拟摄影过程中立体像片的空间方位、姿态和相互关系。早期的立体绘图仪是一种复杂的光学机械设备，价格昂贵，后随着计算机技术的发展，越来越多的立体测图仪开始与计算机相结合，降低了立体测图仪的价格，客观上推动了摄影测量学的发展。 (zh)
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- Il restitutore analogico è uno speciale stereoscopio utilizzato nell'osservazione di fotogrammi stereometrici. (it)
- 立体绘图仪是一种使用立体影像绘制地形图等高线的绘图设备，用于摄影测量中模拟摄影过程中立体像片的空间方位、姿态和相互关系。早期的立体绘图仪是一种复杂的光学机械设备，价格昂贵，后随着计算机技术的发展，越来越多的立体测图仪开始与计算机相结合，降低了立体测图仪的价格，客观上推动了摄影测量学的发展。 (zh)
- A stereoplotter uses stereo photographs to determine elevations. It has been the primary method to plot contour lines on topographic maps since the 1930s. Although the specific devices have advanced technologically, they are all based on the apparent change in position of a feature in the two stereo photographs. (en)
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- Restitutore analogico (it)
- Stereoplotter (en)
- 立体绘图仪 (zh)
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