GB/T 40527-2021 English PDF

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GB/T 40527-2021: Digital space photogrammetry - Map surveying specification
Status: Valid

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Basic data

Standard ID: GB/T 40527-2021 (GB/T40527-2021)
Description (Translated English): Digital space photogrammetry - Map surveying specification
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A77
Word Count Estimation: 24,236
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40527-2021: Digital space photogrammetry - Map surveying specification

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Digital space photogrammetry - Map surveying specification ICS 07.040 A77 National Standards of People's Republic of China Digital Aerospace Photogrammetry Mapping Specification Released on 2021-10-11 2021-10-11 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ Introduction Ⅳ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Basic requirements for surveying 2 4.1 General requirements 2 4.2 Satellite image requirements 2 4.3 Requirements for controlling measurement results 2 4.4 Requirements for aerial triangulation results 3 4.5 Equipment and software requirements 3 5 Preparation 3 5.1 Data collection 3 5.2 Data analysis 3 5.3 Technical Design 3 6 Satellite image preprocessing 4 7 3D model restoration 4 8 Digital surface model production 4 8.1 Work flow 4 8.2 Production preparation and 3D model restoration 5 8.3 Point cloud data generation 5 8.4 DSM data editing and splicing 5 8.5 DSM mounting and cutting 6 8.6 DSM Edge 6 9 Digital elevation model production 6 9.1 Work flow 6 9.2 Production preparation and 3D model restoration 7 9.3 Characteristic data acquisition and processing 7 9.4 DEM generation 7 9.5 Edge connection 7 9.6 Picture frame cutting 7 10 Digital orthophoto map production 7 10.1 Work flow 7 10.2 Production preparation and 3D model restoration 8 10.3 Ortho Correction 8 10.4 Image Fusion 8 10.5 Color Processing 9 10.6 Image mosaic and cropping 9 10.7 Edge joining, finishing 9 11 Digital line drawing production 9 11.1 Work Flow 9 11.2 Production preparation and 3D model restoration 10 11.3 Data Collection 11 11.4 Editing 13 11.5 Supplementary test in the field 14 11.6 Data Editing 14 12 Production of related documents 15 13 Quality Control 16 13.1 Basic requirements 16 13.2 Process quality control 16 13.3 Achievement quality inspection and acceptance 17 14 Arrangement and Convergence of Results 17 Reference 19

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Natural Resources of the People's Republic of China. This standard is under the jurisdiction of the National Geographic Information Standardization Technical Committee (SAC/TC230). Drafting organizations of this standard. Institute of Standardization of Surveying and Mapping, Ministry of Natural Resources, First Institute of Aerial Survey and Remote Sensing, Ministry of Natural Resources, Zhejiang Hexin Geographic Information Technology Co., Ltd., the National Land Satellite Remote Sensing Application Center of the Ministry of Natural Resources, the Third Aerial Survey and Remote Sensing Institute of the Ministry of Natural Resources, Liaocheng University, China Surveying and Mapping Research Institute, Shenzhen Institute of Surveying and Mapping Co., Ltd., State Grid Siji Shenwang Location Service (Beijing) Co., Ltd., Guangzhou Changdi Spatial Information Technology Technology Co., Ltd., Shenzhen Dahua Survey Technology Co., Ltd., Guangdong Aike Environmental Technology Co., Ltd. The main drafters of this standard. Liu Xiaoqiang, Wang Qingli, Wang Xia, Jiang Hongbing, Yin Xiaoqing, Wu Tong, Xie Xiuping, Yang Xiaofeng, Fu Xiaoshan, Li Jing, Ren Zhizhong, Cao Guangqiang, Liu Wudi, Zhu Zhengrong, Mao Xi, Xu Yantian, Wang Huanping, Zang Zhibin, Xie Wenjun, Cao Ning, Li Chaoyang, Guo Yufang, Zhang Yanmei, Peng Feiyu, Liu Zhanbin, Luo Shaohua, Li Shechun.

Introduction

In recent years, with the continuous development of aerospace technology, remote sensing satellite image data has the advantages of fast acquisition, low cost, and no regional restrictions. Gradually become an important means to obtain geospatial information. At present, optical remote sensing satellite images, especially high-resolution images, have become the basic ground. The main data source for the construction of scientific information resources and other remote sensing applications. In order to adapt to the current scientific and technological development status and actual technical requirements of information acquisition based on satellite images, it is necessary to establish a complete aerospace The photogrammetric standard system fills the gap in the digital aerospace photogrammetric standard. As an important part of digital aerospace photogrammetry For important links, this standard specifies related work content, technical procedures and technical requirements. The standards used in conjunction with this standard are "Digital Aerospace Photogrammetry Control Survey Specification, "Digital Aerospace Photogrammetry Aerial Triangulation Specification." Digital Aerospace Photogrammetry Mapping Specification

1 Scope

This standard specifies the content, methods and technical requirements for the production of mapping results using digital aerospace photogrammetry. This standard is applicable to 1.5000, 1.10000, 1.25000, 1.50,000, 1.100,000 using digital aerospace photogrammetry methods Digital surface model, digital elevation model, digital orthophoto map, digital line drawing production operations.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 13923 Classification and codes of basic geographic information elements GB/T 18316 Quality Inspection and Acceptance of Digital Surveying and Mapping Results GB/T 20257.2 National Basic Scale Map Patterns Part 2.1.5000 1.10000 Topographic Map Patterns GB/T 20257.3 National Basic Scale Map Schema Part 3.1.25000 1.50000 1.100000 Terrain Schema GB/T 20258.2 Basic Geographic Information Element Data Dictionary Part 2.1.5000 1.10000 scale GB/T 20258.3 Basic Geographic Information Element Data Dictionary Part 3.Ratio of 1.25000 1.500001.100,000 Ruler GB/T 24356 Quality Inspection and Acceptance of Surveying and Mapping Results GB 35650 National Basic Scale Map Surveying and Mapping Basic Technical Regulations GB/T 40766 Digital Aerospace Photogrammetry Control Survey Specification CH/T 1001 Surveying and Mapping Technology Summary Compilation Regulations CH/T 1004 Technical Design Regulations for Surveying and Mapping CH/T 1007 Fundamental Geographic Information Digital Product Metadata CH/T 9009.1 Basic Geographic Information Digital Achievement 1.5000 1.10000 1.25000 1.50,000 1.100,000 Part 1.Digital line drawing CH/T 9009.2 Basic Geographic Information Digital Achievement 1.5000 1.10000 1.25000 1.50,000 1.100,000 Digital elevation model CH/T 9009.3 Digital Achievement of Fundamental Geographic Information 1.5000 1.10000 1.25000 1.50,000 1.100,000 Digital orthophoto CH/T 9022 Digital Achievement of Fundamental Geographic Information 1.500 1.1000 1.2000 1.5000 1.10000 Digital Surface model CH/T 9023 Digital Achievement of Fundamental Geographic Information 1.25000 1.50,000 1.100,000 Digital Surface Model

3 Terms and definitions

The following terms and definitions apply to this document. ......

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