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[QGIS Basics] GIS File Extensions, GIS File Importing Hello, In this post, we'll explore the commonly used data file extensions (file types) in GIS software and their respective import methods. When you first encounter GIS, you might find the file extensions unfamiliar, leading to confusion. QGIS supports various extensions such as GeoPackage, SpatiaLite, Shapefile, Tiff, Tif, NetCDF, CSV, etc. While the preferred extension may vary depending on th.. 2024. 3. 25.
[QGIS Basics] Adding Background Maps (Google Maps, OpenStreetMap, etc.) Hello, Starting from this post, let's practice using QGIS by running it and learning basic functionalities. When you run the downloaded QGIS, you'll see an empty screen like the one below. Please note that my screen may not perfectly match yours as I have installed several plugins. It might feel a bit uneasy to see an empty screen in a map program, especially when we have no data loaded. To give.. 2024. 3. 20.
[QGIS Basics] QGIS vs. ArcGIS, QGIS Installation Hello, In this post, we'll explore the strengths, weaknesses, and installation method of QGIS. If you're studying GIS, you've probably heard of ArcGIS and QGIS. First, let's compare ArcGIS and QGIS to understand their respective strengths and weaknesses. ArcGIS is a representative paid software in the GIS field. Developed by Esri based in the United States (https://www.esri.com/ko-kr/about/about.. 2024. 3. 18.
[QGIS Beginner] Clipping (for Vector Layer) Hello, In this post, let's explore how to use the "Clip" feature to cut out desired areas from the vector layers. When working onmaps, there are times when we want to remove unnecessary map areas and focus only on the required ones. Alternatively, if there are unwanted values in the attribute table, it may hinder proper analysis. In such cases, the "Clip" feature comes in handy. For vector layer.. 2024. 3. 16.
[QGIS 기초] 심볼 속성 변경 및 데이터 범례 설정 안녕하세요, 이번 시간에는 불러온 CSV 데이터의 심볼 속성과 데이터 범례(legend)를 수정하는 방법을 알아보겠습니다. 먼저 QGIS 메인 화면에서 Ctrl+L을 사용하여 개인 폴더에 저장되어 있는 CSV 파일을 불러와주세요 (CSV 파일 오픈 관련 자세한 내용은 지난 포스팅 참고: https://qgis-jaehee.tistory.com/5?category=586300). [QGIS 기초] 대표적인 파일 확장자 소개 및 오픈 방법 안녕하세요, 이번 포스팅에서는 GIS 소프트웨어에서 대표적으로 활용되는 데이터 확장자(파일 유형)와 그에 따른 불러오기 방법에 대해 알아보겠습니다. GIS를 처음 접하게 되시면 생소한 확장자 qgis-jaehee.tistory.com 1) 심볼 변경하기 파일이 열렸으면 좌.. 2024. 3. 16.
[QGIS Basics] QGIS Definitions, Main Functions, and Example Works Hello, In the first post for beginners of QGIS, I would like to explore what GIS is and where it is mainly used. The Ministry of Land, Infrastructure and Transport of Korea defines GIS and its main functions as follows. GIS Definition GIS (Geographic Information System) is an information system designed to efficiently utilize geographic information necessary for human life by converting it into .. 2024. 3. 16.

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