3DGIS(3D GIS)

摘要： on the 24th General Assembly of International Scientific Radio Union in 1993, astronomers from 10 countries, including China, proposed a tentative large radio telescope project, also called SKA (Square Kilometer Array). Firstly, using space-borne remote sensing images, topographic maps and other relevant data, through image processing and spatial characters of remote sensing images interpretation, the surrounding sites of SKA in a 1000 km radius circle region centered in Guizhou Province has bee 阅读全文

摘要： As a synthesize technology, has been springing up in the end of 20 century, Virtual Reality technology integrates several latest information technology such as computer graph, artificial intelligence, Multi-media, Sensor surveying and parallel processing technology. Virtual Reality technique provides a new interface tool and interactive operation environment and immersive environment for the representation and real-time simulation of large-scale virtual scene. In Hebei Province, northeast of 阅读全文