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A method of rapid generation of elevation map based on autocad data source and arcgis tool

A technology of elevation map and data source, which is applied in the field of engineering information, can solve the problems of heavy workload and time-consuming manual assignment, and achieve the effect of ensuring practicability, simplifying workload, and strong operability

Active Publication Date: 2019-08-09
BEIJING UNIV OF TECH
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Problems solved by technology

[0007] The purpose of the present invention is to: in the process of using AutoCAD data as the basic data source for encountering in the actual project, because the elevation attribute of the elevation point is separated from the elevation value label, resulting in manual assignment on the ArcGIS platform Due to the heavy workload and time-consuming problems, a method based on ArcGIS tools is proposed to quickly assign values ​​to elevation points to generate elevation maps

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  • A method of rapid generation of elevation map based on autocad data source and arcgis tool

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[0028] Attached below figure 1 and specific examples to further illustrate the present invention.

[0029] The invention proposes a method for quickly assigning elevation points to make an elevation map according to the actual situation in the process of establishing an elevation map based on AutoCAD basic data and ArcGIS tools. The specific operation steps are as follows:

[0030] 1. Open the dwg basic data file of a certain area on which the elevation map is based in AutoCAD software, filter out the layers related to the production of elevation points, and save it for later use.

[0031] 2. Check the relationship between the elevation point and the corresponding elevation value. If the correlation is good, the elevation map can be made directly; if there is a separation between the elevation point and the elevation value, prepare for further processing.

[0032] 3. In ArcGIS, click the "Add Data" button to import the alternate dwg file into ArcGIS. The layer generated at...

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Abstract

The invention discloses an AutoCAD data source and ArcGIS tool-based elevation diagram quick generation method, and belongs to the technical field of engineering information. The invention proposes a method for quickly and efficiently generating an elevation diagram by performing automatic assignment on an elevation value of an elevation point by fully utilizing a geographic information processing tool in ArcGIS on an ArcGIS tool platform by taking AutoCAD as a basic data source. The method can perform a batch operation, has the characteristics of convenience, quickness and accuracy, and can be used for greatly reducing the workload, shortening the time and improving the efficiency.

Description

technical field [0001] The invention relates to a method for quickly generating an elevation map based on an AutoCAD data source and an ArcGIS tool. It belongs to the field of engineering information technology. Background technique [0002] With the continuous development of digital surveying and mapping in my country, a large number of digital surveying and mapping results have been produced. The transformation of digital achievements is one of the main ways for GIS to obtain basic spatial data. In order to make full use of the existing digital achievements, the conversion of AutoCAD data and ArcGIS data, and the effective use and management of geographic information data with ArcGIS have become a major problem that must be faced and solved at present. [0003] Data exists in CAD in a variety of formats. AutoCAD is a computer-aided drawing software widely used in construction, surveying, planning and other fields. In the domestic surveying and mapping industry, digital...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/29G06T11/60
CPCG06F16/29G06T11/60G06T2210/32
Inventor 吴珊张少钦李俊
Owner BEIJING UNIV OF TECH
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