Road vector data download tutorial

Road vector data is the basic geographic information data , I sorted out several common methods for downloading road vector data .

NASA Road data

Global Roads Open Access Data Set yes NASA A global road data set based on the United Nations spatial data infrastructure transport common data . Many countries have edited this data set , The data time range ranges from 1980 S to 2010 Different years （ It depends on the country ）, In addition, the spatial accuracy of the data set varies from country to country .

Download the data , Go to the website ：https://sedac.ciesin.columbia.edu/data/set/groads-global-roads-open-access-v1/data-download

Slide the page to the bottom of the page , There will be a link to download road data by continent ：

We click to download the road data of Asia , Click download and a login box will appear , Click on login Sign in NASA. If you don't have an account , You can use the public account I created ：ruiduobao Account and password ：Ruiduobao123

After downloading the data , Unzip and view the data . You can use if you can Google The accuracy of image viewing road data . It looks good at first glance .

But actually zoom in , We loaded it into Chengdu , The data is obviously insufficient ：

National Public Edition of basic geographic data

Geographic information professional knowledge service system is the data download website of Chinese Academy of engineering , The website provides information about 1:25 Million road data ：

First go to the website ：http://kmap.ckcest.cn, Select the whole country DLG data ：

According to personal needs , Select the region data to download , We need to pay attention to ： The database does not contain road data for all regions , therefore It depends on luck . Here's what I downloaded 2015 Road data of Chengdu in ：

Click to download , You need to log in . If you don't have an account , You need to register an account ：

Then return to the data download interface , Look at the data information before downloading .

Click data download on the page , After downloading . You can use if you can Google Image view road data ：

Pay attention to , This data has been Confidential technology processing , So the data is offset , This data is for reference only .

GRIP Global Roads

GRIP The dataset is Dutch GLOBIO Global road integration data produced by the team based on many different road data , It aims to provide road data sets for global environmental and biodiversity research projects , The data set consists of global vector road data set and 8km The resolution road density raster dataset consists of two parts .

The download website is ：www.globio.info, After entering the website, select Resource, Re selection Datasets

Find road data in the dataset , Click to enter ：

After entering the interface , Click on Download the GRIP data：

Select the corresponding area to download data , If you are downloading Chinese data , choice South and East Asia：

After data download , Load into GIS View... In the software ：

Geographic data platform of Peking University

Geographic data platform of Peking University , School of city and environment, Peking University 2017 established . The purpose of the platform is to serve the students of our college and geography major 、 Teachers and researchers provide comprehensive 、 Enrich 、 Professional data information , Trying to build a platform for geographic data sharing and exchange , Build a database that describes the earth system from different directions . Road data of the platform Only teachers and students of Peking University Downloadable ：

Download url ：https://geodata.pku.edu.cn/index.php?c=content&a=show&id=713

OSM data

OpenStreetMap（ abbreviation OSM） It's an online map collaboration program , The goal is to create a world map that is free of content and can be edited by everyone . The data of the platform can be downloaded freely .

download OSM Road data for , With the help of third-party platforms . The website is ：https://extract.bbbike.org Open the link , Move the map to the area to be downloaded ：

stay format Select download format in , General choice shp Data is enough ：

Then fill in the basic information , The email address shall be correct ：

Click on here, Check the download area . This area can be through add ponits to polygon Make changes . After confirming the scope , Click on extract：

After that, your email will receive a download link containing all vector data in the region , Click on the link to download ：

Unzip the downloaded data , Find road data roads：

Load data into gis In the software ：

About OSM data , I recorded a download and use video , You can have a look at what you are interested in ：

welfare

OSM National road data 、NASA Road data 、GRIP Road data has been uploaded to Remote sensing Forum （ruiduobao.com）, Please pick it up by yourself ：

View more data tutorials , Welcome to the geoscience remote sensing data collection （www.gisrsdata.com）：

Reference resources

Columbia University .https://sedac.ciesin.columbia.edu/data/set/groads-global-roads-open-access-v1

Geographic information professional knowledge service system .http://kmap.ckcest.cn

Globio.https://www.globio.info/download-grip-dataset

Little ape Giser.https://mp.weixin.qq.com/s/zs9rkAeMeTsEDpAXerJ3TQ

Geographic data platform of Peking University .https://geodata.pku.edu.cn