KEYWORDS: 3D modeling, Data modeling, 3D metrology, 3D displays, 3D image processing, Process modeling, Visual process modeling, 3D acquisition, Optimization (mathematics), Analytical research
Use CityEngine as the 3D modeling platform, research on urban rapid 3D modeling technology based on the
CGA(Computer Generated Architectur) rule , solved the problem of the rapid creation of urban 3D model in large
scenes , and research on building texture processing and 3D model optimization techniques based on CGA rule , using
component modeling method , solved the problem of texture distortion and model redundancy in the traditional fast
modeling 3D model , and development of a three-dimensional view and analysis system based on ArcGIS Engine ,
realization of 3D model query , distance measurement , specific path flight , 3D marking , Scene export,etc.
Land surface temperature is one of the most important parameters in hydrology and agricultural production
research . Split-window algorithm based on MODIS data was briefly introduced in this paper and applied in Hetao
Irrigation District. Comparison between data retrieval and field collected data showed that data retrieval could reflect
land surface temperature basic accurately .Linear fitting of different time series data can improve retrieval precision
effectively. The results provide support for drought forecast, soil moisture monitoring etc. in the future.
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