Implemented by
QGIS to use CMEMS information
This slideshow is intended to present the CMEMS Ocean Model Capacity LEVEL1 – Beginner Level
pace
OUTLINES
• DOWNLOAD A CMEMS PRODUCT
• INSTALL AND RUN QGIS
• DISPLAY THE CMEMS PRODUCT (IN NETCDF
FORMAT) WITH QGIS
pace
OUTLINES
• DOWNLOAD A CMEMS PRODUCT
• INSTALL AND RUN QGIS
• DISPLAY THE CMEMS PRODUCT (IN NETCDF
FORMAT) WITH QGIS
pace 4
GO TO the Copernicus Marine Environment Monitoring Service
website http://marine.copernicus.eu/
DOWNLOAD A CMEMS PRODUCT (IF YOU NEED HELP, WATCH
THE FOLLOWING TUTORIAL How to DOWNLOAD CMEMS products)
Download a CMEMS product
pace
OUTLINES
• DOWNLOAD A CMEMS PRODUCT
• INSTALL AND RUN QGIS
• DISPLAY THE CMEMS PRODUCT (IN NETCDF
FORMAT) WITH QGIS
pace
Depending of your operating system :
1. For MS Windows: installation of a version of QGIS and all the
required libraries in one go (http://www.qgis.org/en/site/)
2. For Mac OSX: download of the GDAL library before installing a
version of QGIS specially built (http://www.kyngchaos.com/software/qgis )
3. For Unix-like systems: Package manager to download, compile
and install a version of QGIS and the required libraries from an
appropriate package repository (http://qgis.org/en/site/forusers/alldownloads.html#linux)
Once QGIS is installed, run it just like any other application on your
computer.
6
Install and run QGIS
pace
OUTLINES
• DOWNLOAD A CMEMS PRODUCT
• INSTALL AND RUN QGIS
• DISPLAY THE CMEMS PRODUCT (IN NETCDF
FORMAT) WITH QGIS
• With the “netCDF Browser” plugin
• With the “Add Raster Layer” tool
• Drag and drop directly in the canvas
pace 8
Display a CMEMS product with QGIS
The QGIS interface presentation:
pace
How to recover the plugin
from the online repository?
1. Plugins folder in the Menu
2. Choose the right plugin in the
Search bar
3. Install it
9
With the « netCDF Browser » plugin
pace
1. Choose and extract directly
data (time, depth, variables)
without adding the complete
netCDF file
2. Choose a .nc file
3. Choose a variable
4. Choose time
5. Choose dimensions
10
With the « netCDF Browser » plugin
pace
1. Find the icon for “Add
Raster Layer” in the
Menu bar
2. Choose the .nc file
your need
3. Choose one or
several variables
Possibility to add a
complete netCDF file
(time, depth,
variables etc.) in the
canvas
11
With « Add Raster Layer » tool from the toolbar
pace
1. In the toolbar, open the Raster
tab
2. Open the Raster Calculator to
see the contents and to extract
data from a netCDF file
imported with the “Add Raster
Layer”
3. Choose the band you need to
extract by double clicking on
4. Enter a result file for the new
output layer (format : gtiff)
5. Add result to the canvas
12
With « Add Raster Layer » tool from the toolbar
pace
1. Choose the data
2. Drag and drop it in
the QGIS canvas
13
Drag and drop the data in the canvas
Recommended
