Accessing CyberShake Duration Data - Revision history

Scottcal: /* Types of duration data */

2018-07-26T15:57:01Z

Types of duration data

2017-10-25T19:21:23Z

Reading duration data from files

2017-10-25T19:20:51Z

Reading duration data from files

2017-10-24T20:16:47Z

2017-10-24T16:01:08Z

Finding files by hand

2017-10-24T15:49:53Z

Reading duration data from files

2017-10-24T15:49:33Z

Reading duration data from files

2017-10-24T15:48:15Z

2017-10-23T21:08:43Z

2017-10-17T18:13:17Z

Accessing file data

@@ Line 8: / Line 8: @@
 *Energy integral (integral of the velocity squared)
-*Signification durations for 5-75%, 5-95%, and 20-80% for velocity
+*Significant durations for 5-75%, 5-95%, and 20-80% for velocity
 *Arias intensity (pi/2g times the integral of the acceleration squared)
-*Signification durations for 5-75%, 5-95%, and 20-80% for acceleration
+*Significant durations for 5-75%, 5-95%, and 20-80% for acceleration
 *Cumulative absolute velocity (CAV) (integral of the absolute value of the acceleration).

@@ Line 82: / Line 82: @@
 <header for 1st rupture variation>
 <number of records R as a 4-byte integer>
-<record 1>
+<record 1, X component>
-<record 2>
+<record 2, X component>
 ...
-<record R>
+<record R, X component>
 <header for 2nd rupture variation>
 ...

@@ Line 42: / Line 42: @@
 == Reading duration data from files ==
-Duration files consist of the standard CyberShake header (detailed [[CyberShake_output_data_headers#Duration_header|here]]), followed by a 4-byte integer containing the number of duration records to follow, followed by the individual duration records.
+Duration files consist of the standard CyberShake header (detailed [[CyberShake_output_data_headers#Duration_header|here]]), followed by a 4-byte integer containing the number of duration records <b>per component</b> to follow, followed by the individual duration records.
 Each duration record has the following structure (in C):

@@ Line 34: / Line 34: @@
 === Using the retrieval script ===
-The easiest option is to use the retrieval script at /home/scec-02/cybershk/utils/retrieve_duration.py .  This script takes the run ID, source ID, rupture ID, rupture variation ID, output file, and a flag to include the header information in the output.
+The easiest option is to use the retrieval script at /home/scec-02/cybershk/utils/retrieve_duration.py (and in SVN at https://source.usc.edu/svn/cybershake/import/trunk/Utils/retrieve_duration.py).  This script takes the run ID, source ID, rupture ID, rupture variation ID, output file, and a flag to include the header information in the output.
 === Finding files by hand ===

@@ Line 38: / Line 38: @@
 === Finding files by hand ===
-If you need to find files by hand, you should follow the same instructions as for finding seismogram files by hand, given here: [[Accessing_CyberShake_Seismograms#Locating_Seismogram_Files_by_Hand]]. For duration files, the filename convention is Duration_*.dur.  All Duration files are in the 'new' format, and can be found in the /home/scec-04/tera3d/CyberShake/data/PPFiles/<site>/<runID> root.
+If you need to find files by hand, you should follow the same instructions as for finding seismogram files by hand, given [[Accessing_CyberShake_Seismograms#Locating_Seismogram_Files_by_Hand|at this link]]. For duration files, the filename convention is Duration_*.dur.  All Duration files are in the 'new' format, and can be found in the /home/scec-04/tera3d/CyberShake/data/PPFiles/<site>/<runID> root.
 == Reading duration data from files ==

@@ Line 76: / Line 76: @@
 </pre>
-For example, the record for the Y component of the acceleration duration from 5-75% has type=4, type_value=5, component=1.
+For example, the record for the Y component of the acceleration significant duration from 5-75% has type=4, type_value=5, component=1.
 Overall, then, the file format is:

@@ Line 75: / Line 75: @@
 #define Y_COMP 1
 </pre>
 Overall, then, the file format is:

← Older revision		Revision as of 21:08, 23 October 2017
Line 39:		Line 39:

	If you need to find files by hand, you should follow the same instructions as for finding seismogram files by hand, given here: [[Accessing_CyberShake_Seismograms#Locating_Seismogram_Files_by_Hand]]. For duration files, the filename convention is Duration_*.dur. All Duration files are in the 'new' format, and can be found in the /home/scec-04/tera3d/CyberShake/data/PPFiles/<site>/<runID> root.		If you need to find files by hand, you should follow the same instructions as for finding seismogram files by hand, given here: [[Accessing_CyberShake_Seismograms#Locating_Seismogram_Files_by_Hand]]. For duration files, the filename convention is Duration_*.dur. All Duration files are in the 'new' format, and can be found in the /home/scec-04/tera3d/CyberShake/data/PPFiles/<site>/<runID> root.
		+
		+	== Reading duration data from files ==
		+
		+	Duration files consist of the standard CyberShake header (detailed [[CyberShake_output_data_headers#Duration_header\|here]]), followed by a 4-byte integer containing the number of duration records to follow.
		+
		+	Each duration record has the following structure (in C):
		+	<pre>
		+	struct duration_record {
		+	int type;
		+	int type_value;
		+	int component;
		+	float value;
		+	};
		+	</pre>

← Older revision		Revision as of 18:13, 17 October 2017
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	=== Finding files by hand ===		=== Finding files by hand ===

−	If you need to find files by hand, you should follow the same instructions as for finding seismogram files by hand, given here: Accessing_CyberShake_Seismograms#Locating_Seismogram_Files_by_Hand. For duration files, the filename convention is Duration_*.dur. All Duration files are in the 'new' format, and can be found in the /home/scec-04/tera3d/CyberShake/data/PPFiles/<site>/<runID> root.	+	If you need to find files by hand, you should follow the same instructions as for finding seismogram files by hand, given here: [[Accessing_CyberShake_Seismograms#Locating_Seismogram_Files_by_Hand]]. For duration files, the filename convention is Duration_*.dur. All Duration files are in the 'new' format, and can be found in the /home/scec-04/tera3d/CyberShake/data/PPFiles/<site>/<runID> root.