5. How to use the S3-SNOW Processors¶
5.1. Test of the Installation¶
If all plugins described in chapter Software Installation were installed successfully in SNAP, the modules should be visible in their dedicated menus as shown in the figure sequence Figure 5.1 to Figure 5.4.
5.2. The Snow Properties Processor¶
5.2.1. GUI Elements¶
When the Snow Properties Processor is called from its menu entry, the processor GUI is displayed. It contains two tabs ‘I/O Parameters’ and ‘Processing Parameters’ (Figure 5.5).
5.2.2. Help Documentation¶
From the main menu bar of the processor dialog window, an ‘About’ dialog showing general information on the processor can also be displayed (Figure 5.6).
Also from the main menu bar of the processor dialog window, the SNAP specific help documentation for this processor can be invoked (Figure 5.7, Figure 5.8). This documentation contains some general information, a description of the underlying algorithms (i.e. dedicated references), a description of the processor I/O interface, a description of the processing parameters, and a description how to run the processor from the command line.
The text shown in Figure 5.9 describes the elements of the processor I/O tab and how to use it.
The texts shown in Figure 5.10 and Figure 5.11 list the processing parameters and explains their meaning and how to use them.
The text shown in Figure 5.12 describes how to use the CLI (command line interface).
5.3. The IdePix OLCI Pixel Classification Processor¶
5.3.1. GUI Elements¶
When the IdePix OLCI Pixel Classification is called from its menu entry, the processor GUI is displayed. As all other processors provided for S3-SNOW, it contains two tabs ‘I/O Parameters’ and ‘Processing Parameters’ (Figure 5.13).
5.3.2. Help Documentation¶
As for all other processors provided for S3-SNOW, the SNAP specific help documentation for this processor can be invoked from the main menu bar of the processor dialog window. Again, this documentation contains some general information, a description of the underlying algorithms (i.e. dedicated references), a description of the processor I/O interface, a description of the processing parameters, and a description how to run the processor from the command line (Figure 5.14).
The text shown in Figure 5.15 describes the elements of the processor I/O tab and how to use it.
The text shown in Figure 5.16 lists the processing parameters (just one in this case) and explains their meaning and how to use them.
The text shown in Figure 5.17 describes how to use the CLI (command line interface).
5.4. The OLCI O2 Correction Processor¶
5.4.1. GUI Elements¶
When the OLCI O2 Correction is called from its menu entry, the processor GUI is displayed. Again, this processor contains two tabs ‘I/O Parameters’ and ‘Processing Parameters’ (Figure 5.18).
5.4.2. Help Documentation¶
The help documentation can be accessed in the same way as for all other processors provided for S3-SNOW.
Layout and usage of the I/O Parameters tab are basically the same as for the IdePix OLCI Pixel Classification Processor.
The text shown in Figure 5.19 lists the processing parameters and explains their meaning and how to use them.
The text shown in Figure 5.20 describes how to use the CLI (command line interface).
5.5. The SNAP Slope Processor¶
5.5.1. GUI Elements¶
When the Slope Processor is called from its menu entry, the processor GUI is displayed. Again, this processor contains two tabs ‘I/O Parameters’ and ‘Processing Parameters’ (Figure 5.21).
5.5.2. Help Documentation¶
The help documentation can be accessed in the same way as for all other processors provided for S3-SNOW.
Layout and usage of the I/O Parameters tab is simple and straightforward. A DEM product is expected as only input.
The text shown in Figure 5.22 lists the processing parameters and explains their meaning and how to use them.
The text shown in Figure 5.23 describes how to use the CLI (command line interface).
The text shown in Figure 5.24 represents the ‘Algorithm Specification’, which just illustrates the simple equations how slope and aspect are computed.