Jcdehart at 21:54, 31 March 2021

2021-03-31T21:54:14Z

Jcdehart: Created page with "RadxFilter merges fields from multiple CfRadial files into a single file. === '''Overview''' === RadxFilter merges fields from multiple CfRadial files into a single file...."

2021-03-31T21:45:30Z

Created page with "RadxFilter merges fields from multiple CfRadial files into a single file. === '''Overview''' === RadxFilter merges fields from multiple CfRadial files into a single file...."

New page

RadxFilter merges fields from multiple CfRadial files into a single file.

=== '''Overview''' ===

RadxFilter merges fields from multiple CfRadial files into a single file.

=== '''Prerequesites''' ===

The following items are required:

* Radar data (any Radx supported format, e.g., cfradial)

=== '''Parameter file''' ===

RadxFilter uses one parameter file that includes the basic parameters related to data location and field names, which is similar to the parameter files for the other Radx applications.

==== '''Ensure file is up to date''' ====

To obtain the default parameter file, use the following command:

<code lang="bash">/path/to/lrose/install/bin/RadxFilter -print_params > param_file_name</code>

If you already have a parameter file and simply want to check for (and add) updated parameters while retaining current parameters, use the following command:

<code lang="bash">/path/to/lrose/install/bin/RadxFilter -params orig_param_file_name -print_params > new_param_file_name</code>

==== '''Important parameters''' ====

Data input

* mode: determines if the program waits for new files (REALTIME), moves through start and end times specified on the command line (ARCHIVE), or moves through list of files specified on the command line (FILELIST)

Data locations

* input_datasets: file path, time offset, and time/elevation/azimuth tolerances for files and rays

Specifying fields to copy from each source

* output_fields: field names and encoding

Specifying fields to be combined

* add_combined_fields: determines whether pairs of fields are to be combined using simple algorithms (fields must be included in output_fields)
* combined_fields: fields and combination method (e.g., mean, max, sum)

Output format

* output_format: select the preferred file type (usually CFRADIAL)

Output directory and filename

* output_dir: files will be written to this directory

=== '''Running RadxFilter''' ===

To check all command line options for RadxFilter, including debugging options and file paths, type the following command into a terminal.

<code lang="bash">/path/to/lrose/install/bin/RadxFilter -h</code>

Once your parameter file is complete, use a command similar to the following to run the application:

<code lang="bash">/path/to/lrose/install/bin/RadxFilter -params param_file_name</code>

The user can also specify the location of cfradial files in the following manner:

<code lang="bash">/path/to/lrose/install/bin/RadxFilter -f /path/to/cfradial/files/ -params param_file_name</code>

@@ Line 1: / Line 1: @@
-RadxFilter merges fields from multiple CfRadial files into a single file.
+RadxFilter reads data from Radx-supported format files, runs a filter on specified fields, and writes out the results.
 === '''Overview''' ===
-RadxFilter merges fields from multiple CfRadial files into a single file.
+RadxFilter reads data from Radx-supported format files, runs a filter on specified fields, and writes out the results.
@@ Line 32: / Line 32: @@
 Data input
 * mode: determines if the program waits for new files (REALTIME), moves through start and end times specified on the command line (ARCHIVE), or moves through list of files specified on the command line (FILELIST)
-Data locations
+Specifying the fields to be read in
-* input_datasets: file path, time offset, and time/elevation/azimuth tolerances for files and rays
+* select_fields: option to select fields for interpolation, otherwise all fields will be processed
-Specifying fields to copy from each source
+Filter details
-* output_fields: field names and encoding
+* field_filters: list of field names, filter type (e.g., median, triangular, least squares, none), and filter length (odd number)

RadxFilter - Revision history

Jcdehart at 21:54, 31 March 2021

Jcdehart: Created page with "RadxFilter merges fields from multiple CfRadial files into a single file. === '''Overview''' === RadxFilter merges fields from multiple CfRadial files into a single file...."