航天远景
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Quick Response

  OKMatrix-Quick Response to Yun Nan Earthquake

 

On August 3rd, 2014, a 6.5 magnitude earthquake occurred in Ludian town, Shaotong City, Yunnan Province. The focaldepth was 12 km, 617 people died in the earthquake, 112 people were missing, 3,143 people were injured, 229.7 thousand people were transferred to the placement, 1.0884 million people were affected, 80.9 thousand houses were collapsed. Yunnan Earthquake Bureau and Disaster Reduction Bureau and Civil Affairs Department, National Earthquake Bureau etc., responded to the disaster immediately.

As a geo-information company, Visiontek organized relevant technicians and brought the software OKMatrix to the disaster area. OKMatrix is professional software for images fast mosaic to the orthophoto for the whole surveying area, with the features of simple operation, quick processing and strong compatibility. From 1 p.m. to 3 p.m. on Aug. 4th, 2014, after two hours' flight, UAV got 417 images with 0.2m resolution for 30 square kilometers disaster area. The emphasis area is the Niulan River Hongshiyan village, where has become barrier lake. With the images acquired by UAV, could get high resolution orthophoto made by OKMatrix, houses damage, roads frustration, landslides, water level rising and barrier lake can be interpreted clearly.

Visiontek made contribution to the earthquake with practical action and professional aerial survey technology, especially the software OKMatrix application, generated the high-resolution orthophoto in the disaster area in time, support ingrelevant emergency disaster departments make judgment and unified command.