QX/T 460-2018 in English
VALIDLayout specifications for image of satellite remote sensing product
- Issued on:2018-12-12
- Implemented on:2019-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$243.00
Introduction
Analysis of core elements of the standard
| Element type | Technical specification | Reference standard |
|---|---|---|
| Spatial resolution | Ground projection diameter of photosensitive element | GB/T 14950-2009 |
| Basic geographic information | 9 categories of natural and social element data | GB 21139-2007 |
| Map scale | √2:1 ideal ratio, ≤5:1 upper limit | GB/T 20257 Series |
Key Technical Requirements
4.1 Essential Map Element System
The standard specifies that satellite remote sensing product images must include 10 core elements: title, timestamp, image body, legend, data description, scale, compass, cartographic unit, and internal and external outlines. Coordinate grid lines are optional elements but must be implemented in accordance with the GB/T 20257 series standards.
4.6 Remote Sensing Image Processing Specifications
Typical case: Thematic map of water body changes in the Nenjiang River Basin produced by the FY-3B/MERSI sensor must meet the following requirements:
- Spatial resolution is accurate to the meter level (e.g., 250m)
- The projection method uses equal longitude and latitude/Lambert projection
- Basic geographic information overlay follows the GB/T 2260 administrative division code
Implementation Suggestions
Standardized Mapping Process
- Preliminary Preparation: Confirm the satellite type (e.g., Fengyun series), sensor parameters, and target area coordinate system
- Element layout: Based on A4 format, use 24pt bold/Songti for titles, and 16pt right-align for timestamps
- Quality control: Check outline width (0.3mm), scale unit conversion, and map approval number marking
Technology evolution analysis
This standard complements GB/T 15968-2008 "Specification for Production of Remote Sensing Image Plans", and adds the following:
- Dynamic time labeling requirements (accurate to minutes)
- RGB channel number labeling specifications for multi-channel composite images
- Feature sorting rules unique to meteorological thematic maps
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