Generally speaking PostGIS 2.2.0 should work just fine everywhere you were using PostGIS 2.0-2.1 before, but you may need install the legacyminimal.sql or legacy.sql if you have old applications or tools that use old functions (removed in PostGIS 2.0 and 2.2) Navigate to spatial extensions and pick PostGIS 2.2. Download, install. PostGIS 3.0.2 came out August 15th, 2020. Binaries for versions of PostgreSQL 9.6-12 (64-bit) available in Unreleased PostGIS Versions and OSGeo downloads), installers for 9.6-12 (64-bit) are available on stackbuilder and OSGeo downloads. PostGIS 3.0.2 bundle includes.
QGIS Tutorial for Beginners
QGIS Tutorial – A Practical Approach
QGIS has become a great free GIS software. It’s available for various operating systems including Windows, Mac and also Linux. QGIS comes with many premium features you need to build great maps, GIS databases and many more. I am going to dedicate this QGIS Tutorial for Beginners page for everyone who wants to learn more about QGIS. I am going to update this page regularly so please bookmark this for future tutorials, tips, and tricks. If you have any questions, please leave us your message and we will try to respond it as soon as possible. We do hope that this tutorial is going to be useful for anyone who want to learn GIS.
Section 1. Introduction and QGIS Installation
This section gives a quick introduction to QGIS and the installation process. QGIS is available for various operating systems including Windows, Mac and also Linux. You can grab the latest version from the official website at http://download.qgis.org/
- Installation and Overview If you are running Windows, you can download the latest QGIS Installation package from QGIS Download Page. Double click the setup (.exe) file to start the installation process. If you are running Linux such as Ubuntu, Debian, you can visit the following links to see how to install QGIS on several Linux distributions.
–Install QGIS on Ubuntu.
– How to Install QGIS on Windows 10
– Install QGIS on Fedora
– How to install QGIS on Debian 10 - Basic QGIS Operation
In QGIS, we can do so many things from the very basic to the advanced tasks. Below, you can learn how to do some basic stuffs in QGIS.
– Create a new shapefile in QGIS
– Add new fields to a layer/table
– Open MapInfo table layer to QGIS
– Open Google KML on QGIS
Section 2. Data Interoperability
On this section, you will learn how QGIS handles various data types, how to open and import files to QGIS. Dat reader for mac. You can also see how to use the online data source using WMS, WMTS service.
- If you have spatial files in Mapinfo (TAB) format, you can easily Import Mapinfo Table to QGIS. It is very easy to import a Mapinfo table into QGIS without losing any information.
- If you don’t have any data to start with, No problem, this tutorial will show you how to create a new Shapefile on QGIS.
- Add WMTS Layer to QGIS. WMTS (Web Map Tile Service) is an online map service. See how to configure WMTS on QGIS.
- Want to display your data in Google Earth? Well, read this how to Export to KML from QGIS that will help you export your file to KML format from QGIS.
- How to Open PostgreSQL Table in QGIS. This tutorial will guide you on how to open a non-spatial PostgreSQL table in QGIS. If you have X, Y data without any spatial information, you can follow this tutorial. We can then build or create points using this table.
- Open the MySQL database in QGIS. Is your data in MySQL database format? Don’t worry, QGIS can handle the MySQL table very well. Read this tutorial if you want to open the MySQL table in QGIS.
- Open CSV File in QGIS. QGIS supports Microsoft Excel as well as CSV file. In this article, you will see how to open CSV file and create points from the CSV file within QGIS.
Section 3. Data Display
Learn how we display various spatial data into QGIS Canvas. We also learn how to change the display properties such as color, line width, size and so on. Most useful apps for mac os x.
- Add vector layer to QGIS. QGIS tutorial that will show you how to add vector layer to QGIS.
- Add raster layer to QGIS. A Quick tutorial to load raster (image) to QGIS.
Section 4. Database Connection
On this section, we will learn some basic database operation on QGIS. QGIS supports several spatial databases such as PostGIS, Oracle Spatial, SQLite/Spatialite database.
- How to create a new a Spatialite database on QGIS. Spatialite database is a lightweight, portable database that is great for storing many vector datasets. But, it does not support multi concurrent users connections.
- Install PostGIS on Linux. This tutorial will guide you how to install and configure PostGIS. You will be able to turn the PostgreSQL database to store spatial datasets. If you are running Ubuntu 18.04, you can follow my tutorial to install PostGIS on Ubuntu 18.04.
- Connect to PostGIS from QGIS. A quick tutorial to connect QGIS to PostGIS database.
- Export shapefile to PostGIS. This article will guide you how to export shapefile to PostGIS database from QGIS.
- Open PostGIS table in QGIS. QGIS supports PostGIS very well. This tutorial will show you how to open PostGIS table in QGIS.
Section 5. Data Manipulation
This section will discuss how to modify tables, layers or data in QGIS.
- Add Auto Incremental Field. You will learn how to add a new field containing incremental values.
- Calculate length. This tutorial will show you how to calculate length of a vector layer o QGIS.
Section 6. Vector Operation
You will find many QGIS tutorial that related to vector operation.
- Generate contour from SRTM data file. This tutorial will guide you to create contour from an SRTM file easily.
Section 7. Map Output
How To Download Postgis For Mac Os
On this section, you will find some tutorial to produce maps as output in QGIS.
On Mac OSX
Because of Homebrew, installation is easier on Mac. Run these two commands to install bothpostgresql and PostGIS
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Start the service
type this command to start the postgresql service.
Postgis Jdbc
then check if the service is up and running.
Make sure postgresql starts when mac starts up
If you don’t want to run the above start command every time you start your mac, do the following to make surepostgresql automatically starts. Mac os 2017 download iso.
- make sure you have this directory
~/Library/LaunchAgents
. (create it if it does not exist) - run
ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents
to create a symbolic link for postgres plistfile - run
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
to add the plist to launch control.
Postgresql should start automatically every time your mac starts.
On AWS Ubuntu
Remote login to aws ubuntu instance, then run the following:
After installation, you can create database by running
sudo -u postgres createdb DATABASE_NAME
If you want to create a specific user for a database, run
Then you can test database connection by running
psql -U USER_NAME DATABSE_NAME
How To Download Postgis For Mac Download
Install PostGIS
After postgresql is installed and connection tested, we can install postgis:
9.* is the version of your postgresql, and 2.* the version of PostGIS
Then you can create PostGIS extension for your regular postgresql database to enable GIS functions. Vm ware download for mac.
In psql session, do this to enable PostGIS and check if extension is created.
Notes: if you use a created database user, make sure it has super role to create extension. If you are using GeoDjango,migrate database using django manage.py command will create the extension automatically.
Install PgAdmin III and connect to database
PgAdmin III is a s a comprehensive PostgreSQL database design and management system
go to http://www.pgadmin.org/download/macosx.php to download and installit.
After install, you can create a db connection to connect to your postgresql and PostGIS databases.
It is pretty straightforward to connect to a local database, just provide the localhost/port(default 5432) database username and password (if you have a password, or leave it empty).
If you want to connect to a remote database on AWS instance, you need to make some changes to config files
in /etc/postgresql/9.*/main/postgresql.conf add
listen_addresses='*'
in /etc/postgresql/8.2/main/pg_hba.conf add
host all all 0.0.0.0/0 md5
Because port 5432 (your postgresql port) may not be open by default security settings, you need to open it appropriately.On amazon, you can add that rule in your security group of the instance in aws console.
After the changes, you should be able to connect to your remote database from your local machine. Change language adobe premiere elements 9.