Intelligent geological mapping: A novel pattern for smart geological compilation
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摘要:
为了弥补传统数字地质编图工作量大、重复操作多、周期长、质量难保证等不足，从地质图件快速编制的业务需求出发，提出了多学科交叉的智能地质综合编图理念，构建了以"地质数据+专家知识+人工智能"为核心的智能化地质编图技术体系，研制了具有需求驱动、数据驱动、模型驱动、知识驱动等特点的地质调查综合智能编图系统——智绘地质。智绘地质以地质专家知识为全流程控制主线，有机融合地图综合、地理信息系统、数据库、可视化、人工智能、制图标准、质量控制等关键技术和方法，依托地质演化关系、各种规则库、智能算法等，模拟编图专家自动或半自动地完成大量地质要素的综合处理，打通了大中比例尺到小比例尺图件的快速缩编、基础图件编制、跨行政边界的协作编图、定制化图件开发等技术流程。智绘地质已在中国1 150万和1 250万地质图修编、区域地质图件编制、沿海城市建设影响因素图件开发等生产工作中试用，实践证明该软件至少能节省65%~75%的编图时间，减轻编图人员压力，有效提高成果数据质量。开发的两套智绘地质软件已初步投入使用，有利于开启新一代交互式智能化编图的工作模式，可为地质调查、矿产资源、生态保护、国际编图等更多领域提供技术支撑，促进编图工作的标准化、规范化。
Abstract:In order to overcome disadvantages of traditional digital geological mapping such as heavy workload, repeated and tedious operation, long cycle and poor data quality, this paper proposes an intelligent geological comprehensive mapping concept with multidisciplinary characteristics to meet the application requirements of rapid mapping geological maps and build a technology system for intelligent geological mapping centered on "geological data+ expert knowledge+ artificial intelligence".iMapower is a powerful intelligent mapping system for geological survey generalization that is developed with four driven features, i.e., demand-driven, data-driven, model-driven and knowledge-driven.Two different kinds of software with the same functions are developed based on MapGIS, ArcGIS by China Geological Survey. iMapower employs geologist knowledge to control the whole mapping process. It integrates many key techniques and methods such as map generalization, GIS, database, visualization, artificial intelligence, cartographic standards and quality control.Then iMapower can simulate mapping specialist to complete the comprehensive processing of a large number of geological features automatically or semi-automatically using geological evolution relationship, various rules and intelligent algorithms.Functions of this mapping applications are supported by many generalization algorithms consisting of merging, simplification, fusion, smoothing, complex annotation and so on.This software gets through some important technical processes such as quick downsizing mapping from large-medium scale to small scale, fundamental maps mapping, collaborative mapping across administrative boundaries, customized map development, and so on.This software was used in some practical work involved in new national 1.5 million and 2.5 million geological maps revision, regional geological map mapping, and development of influencing factors maps for coastal city construction.The production results show that iMapower can save at least 65% to 75% of mapping time, reduce workload of mapping staff sharply and improve data quality significantly.Domestic geologists, foreign experts and production organizations have recognized and paid close attention to this valuable application.Two kinds of iMapower developed based on MapGIS and ArcGIS have been carried out by practical compilation applications. iMapower will promote a new generation of interactive intelligent mapping work pattern for geological survey, mineral resources, ecological protection, international mapping and many more tasks. And it is beneficial to pursuing standardization and normalization mapping work.
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