Application of the software development kit of GXL in the processing of domestic satellite data

doi:10.6046/zrzyyg.2021206

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Abstract

The GXL (GeoImaging Accelerator) is a new generation of distributed processing platform for remote sensing data. It is fast, efficient, and flexible and plays an important role in the processing of domestic satellite data. This study investigated the software development kit (SDK) of GXL from the aspects of view, controller, and model based on the MVC (Model View Controller) framework of GXL. Furthermore, it developed a new algorithm processing module and employed distributed program deployment to enhance the function and algorithms of satellite data processing. An experiment was carried out to process domestic satellite (GF-1, GF-2, and ZY1-02C) data. The experiment results show that the SDK of GXL allows for flexibly expanding the processes for satellite data processing and improving the productivity of domestic satellite products. Therefore, the SDK of GXL can better satisfy the demands of various industries.

Keywords GXL SDK domestic satellite algorithm module processing flow optimization efficiency

ZTFLH:

TP79

Corresponding Authors: ZHANG Tao E-mail: dave6806@163.com;zhangtaosas@qq.com

Issue Date: 20 June 2022

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	Wei ZHANG
	Tao ZHANG
	Xiongwei ZHENG
	Jianwei QI
	Guanghui WANG

Cite this article:

Wei ZHANG,Tao ZHANG,Xiongwei ZHENG, et al. Application of the software development kit of GXL in the processing of domestic satellite data[J]. Remote Sensing for Natural Resources, 2022, 34(2): 176-183.

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https://www.gtzyyg.com/EN/10.6046/zrzyyg.2021206 OR https://www.gtzyyg.com/EN/Y2022/V34/I2/176

Fig.1 Component architecture diagram of GXL

Fig.2 MCV framework of GXL

Fig.3 Development on Model

Tab.1 Structure elements of GUI RPM XML

Fig.4 Result of View of orthorectification module

Fig.5 Development graph of Controller

Fig.6 Domestic satellite data process of GXL

Fig.7 Figure of unzip module’s MCV

Tab.2 Description of original image integrity

Fig.8 Model design of original image integrity check

Tab.3 Description of orthorectification result’s second development module

Fig.9 Domestic satellite data processing of expansion based on the second development of GXL

Tab.4 Time table of unzip module

Tab.5 Time table of original image integrity check module

Tab.6 Time table of orthorectification result module

Tab.7 Time table of orthorectification result module

Fig.10 Comparison diagram of efficiency of each module in secondary development

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