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Category: GIS

Công nghệ GIS
GIS là gì? Sự ra đời của ngành GIS
Hệ thống thông tin địa lý GIS (viết tắt của cụm từ tiếng Anh Geographic Information Systems) là một công cụ tập hợp những quy trình dựa trên máy tính để lập bản đồ, lưu trữ và thao tác dữ liệu địa lý, phân tích các sự vật hiện tượng thực trên trái đất, dự đoán tác động và hoạch định chiến lược. Thuật ngữ này được biết đến từ những năm 60 của thế kỉ 20 và Giáo sư Roger Tomlinson được cả thế giới công nhận là cha đẻ của GIS

Mapbox Vector Tile Basic JS Renderer

Posted on 17/03/2023 by soiqualang_chentreu Posted in GIS, Lang thang, WebGIS Tagged mapbox, vector tilesLeave a Comment on Mapbox Vector Tile Basic JS Renderer

Mapbox Vector Tile Basic JS Renderer https://github.com/landtechnologies/Mapbox-vector-tiles-basic-js-renderer This LandInsight project is a fork of mapbox-gl-js.  ,  Please see the upstream project for extensive details on vector tiles, styles and more. This fork is intended to be kept fairly up-to-date with the upstream version, […]

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Make and Update SEQUENCE in PostgreSQL – GeoServer WMST with Image mosaicking plugin

Posted on 17/03/2023 by soiqualang_chentreu Posted in GIS, Mẹo vặt, WebGIS Tagged geoserver, Image mosaicking, postgresql, SEQUENCELeave a Comment on Make and Update SEQUENCE in PostgreSQL – GeoServer WMST with Image mosaicking plugin

Make and Update SEQUENCE in PostgreSQL – GeoServer WMST with Image mosaicking plugin Create Table, Index, SEQUENCE, COMMENT DROP TABLE IF EXISTS "img_lst"; DROP SEQUENCE IF EXISTS raster.img_lst_fid_seq; CREATE SEQUENCE raster.img_lst_fid_seq INCREMENT 1 MINVALUE 1 MAXVALUE 9223372036854775807 START 1 CACHE […]

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Esri Map Components for Web

Posted on 16/03/202316/03/2023 by soiqualang_chentreu Posted in GIS, Lang thang, Web, WebGIS Tagged Components, Esri, Esri MapLeave a Comment on Esri Map Components for Web

Esri Map Components for Web Repo: https://github.com/jf990/esri-map-component There are two components in this library: esri-map-view and esri-scene-view. They mostly work the same: esri-map-view displays a map in a 2D map view and esri-scene-view displays a 3D globe in a scene view. These components are built with the ArcGIS API […]

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Render Mapbox style in CesiumJs

Posted on 15/03/202315/03/2023 by soiqualang_chentreu Posted in GIS, WebGIS Tagged CesiumJs, mapboxLeave a Comment on Render Mapbox style in CesiumJs

Render Mapbox style in CesiumJs https://github.com/kikitte/MVTImageryProvider Render Mapbox style in CesiumJs. This project is very simple, because the complex rendering task is compeleted by mapbox-gl-js, you should also check Mapbox-vector-tiles-basic-js-renderer for more detail. 中文README How to use Clone the project and then […]

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How do I retrieve a single image from an ImageMosaic in GeoServer?

Posted on 15/03/2023 by soiqualang_chentreu Posted in GIS, Lang thang, Mẹo vặt, WebGIS Tagged geoserver, ImageMosaicLeave a Comment on How do I retrieve a single image from an ImageMosaic in GeoServer?

How do I retrieve a single image from an ImageMosaic in GeoServer? http://host/geoserver16/thuyvanphuyen/wms?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&FORMAT=image/jpeg&TRANSPARENT=true&STYLES&LAYERS=thuyvanphuyen:tansuat&exceptions=application/vnd.ogc.se_inimage&CQL_FILTER=location ILIKE '%tanSuat_2.tif%'&SRS=EPSG:32648&WIDTH=719&HEIGHT=768&BBOX=960076.6733640843,1461071.1000853349,966938.760914211,1468400.8403335926 https://gis.stackexchange.com/questions/363483/how-do-i-retrieve-a-single-image-from-an-imagemosaic-in-geoserver

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[Sưu tầm] Dijkstra theo phong cách hướng đối tượng bằng Java

Posted on 11/03/202311/03/2023 by soiqualang_chentreu Posted in GIS, Lang thang Tagged DijkstraLeave a Comment on [Sưu tầm] Dijkstra theo phong cách hướng đối tượng bằng Java

[Sưu tầm] Dijkstra theo phong cách hướng đối tượng bằng Java https://viblo.asia/p/giai-thuat-de-om-dijkstra-theo-phong-cach-huong-doi-tuong-bang-java-3Q75wNEMlWb Chắc hẳn không sinh viên IT nào là không phải học môn Cấu trúc dữ liệu & Giải thuật, trong bộ môn này các bạn sẽ học tới […]

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WebGIS Roadmap by Do Thanh Long (soiqualang_chentreu)

Posted on 08/03/2023 by soiqualang_chentreu Posted in Công nghệ, GIS, Sói's Tutorials, WebGIS Tagged Roadmap, webgisLeave a Comment on WebGIS Roadmap by Do Thanh Long (soiqualang_chentreu)

WebGIS Roadmap by Do Thanh Long (soiqualang_chentreu) Tình hình là hồi trước mình có làm một cái WebGIS Roadmap cho các bạn mới tìm hiểu về WebGIS có một cái nhìn hệ thống về mảng này. Bẵng một thời gian […]

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[Notes] SQL or NoSQL? Why not use both (with PostgreSQL)?

Posted on 11/02/202311/02/2023 by soiqualang_chentreu Posted in Công nghệ, GIS, Lang thang, Ý tưởng Tagged nosql, postgresql, sqlLeave a Comment on [Notes] SQL or NoSQL? Why not use both (with PostgreSQL)?

[Notes] SQL or NoSQL? Why not use both (with PostgreSQL)? https://supabase.com/blog/sql-or-nosql-both-with-postgresql It’s a tough decision for any developer starting a new project. Should you store your data in a standard, time-tested SQL database, or go with one of the newer […]

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Note about Postgres Views

Posted on 11/02/202311/02/2023 by soiqualang_chentreu Posted in Công nghệ, GIS, Lang thang, Mẹo vặt, Tài liệu Tagged Conventional views, Materialized views, Postgres ViewsLeave a Comment on Note about Postgres Views

Note about Postgres Views https://supabase.com/blog/postgresql-views A quick summary of Postgres views, materialized views, and why you should use them. What is a View? A view is a convenient shortcut to a query. Creating a view does not involve new tables or data. […]

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QGIS OpenDay November 2022

Posted on 22/11/202222/11/2022 by soiqualang_chentreu Posted in GIS, QGIS Tutorials and Tips Tagged gis, OpenDay, QGIS, QGIS2WebLeave a Comment on QGIS OpenDay November 2022

QGIS Open Day (25-11-2022) https://github.com/qgis/QGIS/wiki/QOD-November-2022 Welcome to the November 2022 QOD sessions on QGIS and how to contribute to the documentation and how to compile QGIS. Simply watch the Youtube Livestream and comment on the day, or catch the recording […]

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[JS GIS] JavaScript GIS Simplify | GeoToolbox

Posted on 09/11/2022 by soiqualang_chentreu Posted in GIS, Lang thang, Web, WebGIS Tagged geotoolbox, gis, JS GIS, Simplify, webgisLeave a Comment on [JS GIS] JavaScript GIS Simplify | GeoToolbox

[JS GIS] JavaScript GIS Simplify | GeoToolbox Credit: Simplify by neocarto https://observablehq.com/@neocartocnrs/simplify?collection=@neocartocnrs/geotoolbox

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[JS GIS] JavaScript GIS Dissolve | GeoToolbox

Posted on 07/11/2022 by soiqualang_chentreu Posted in GIS, Lang thang, Web, WebGIS Tagged Dissolve, geotoolbox, gis, JS GIS, webgisLeave a Comment on [JS GIS] JavaScript GIS Dissolve | GeoToolbox

[JS GIS] JavaScript GIS Dissolve | GeoToolbox Credit: Dissolve by neocarto https://observablehq.com/@neocartocnrs/dissolve?collection=@neocartocnrs/geotoolbox

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[JS GIS] JavaScript GIS Tissot | GeoToolbox

Posted on 07/11/2022 by soiqualang_chentreu Posted in GIS, Lang thang, Web, WebGIS Tagged geotoolbox, gis, Tissot, webgisLeave a Comment on [JS GIS] JavaScript GIS Tissot | GeoToolbox

[JS GIS] JavaScript GIS Tissot | GeoToolbox Credit: Tissot by neocarto https://observablehq.com/@neocartocnrs/tissot?collection=@neocartocnrs/geotoolbox

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[JS GIS] JavaScript GIS Geolines | GeoToolbox

Posted on 02/11/2022 by soiqualang_chentreu Posted in GIS, Lang thang, WebGIS Tagged geotoolbox, gis, JS GISLeave a Comment on [JS GIS] JavaScript GIS Geolines | GeoToolbox

[JS GIS] JavaScript GIS Geolines | GeoToolbox Credit: Geolines by neocarto https://observablehq.com/@neocartocnrs/geolines?collection=@neocartocnrs/geotoolbox

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[JS GIS] JavaScript GIS Featurecollection | GeoToolbox

Posted on 02/11/2022 by soiqualang_chentreu Posted in GIS, Lang thang, WebGIS Tagged Featurecollection, gis, JS GISLeave a Comment on [JS GIS] JavaScript GIS Featurecollection | GeoToolbox

[JS GIS] JavaScript GIS Featurecollection | GeoToolbox Credit: Featurecollection by neocarto https://observablehq.com/@neocartocnrs/featurecollection?collection=@neocartocnrs/geotoolbox

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