Response Files
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Francisco Hernandez
Jul 19, 2012, 12:02:39 AM7/19/12
to earthwo...@googlegroups.com
Hello again everyone,
I see that recently you have been creating responses from seeds, mine is a bit more complex. I have been trying to create responses from SEEDs but I have had to create responses from data about the K2 and ETNA. Here is my data so far:
- What I think is the Normalizing Factor: k1 = 2.46*10^-13 (Info can be found here)
- The digitizer constant is 2.5V/2^23Count (taken from here)
- The sensor is a ES-T, Single-ended, ± 2.5V output @ 2G its 1.25V/G (or 0.1275 V/m/s^2) (Info can be found here)
- This means that the overall system gain is 2.337E-6m/s^2 counts ( If I did my math right )
- So that would mean that using the formula from the localmag ((Normalizing Factor) * (micron/m) * (SysGain)) help it should be:
- 2.46*10^-13 * 2.337 m/s^2 count = 5.75 * 10^-13 (which is supposedly microns/count (s^2?) & radians)
- Soo, after correcting to nanometres its 5.75 * 10^-16
- There are 4 poles (Here)
- -981 +-1009
- -3290 +-1263
- And 2 zeros (since this is Acceleration data)
My file currently looks like this:
CONSTANT 5.75E+16
ZEROS 2
POLES 4
-9.81E+02 1.009E+03
-9.81E+02 -1.009E+03
-3.29E+03 1.263E+03
-3.29E+03 -1.263E+03
Thanks!
Francisco
Branden Christensen
Jul 19, 2012, 12:21:44 AM7/19/12
to earthwo...@googlegroups.com
Francisco:
I strongly recommend you save yourself the headache and download the PDCC IRIS tool. With it you can use a nominal response library to create your dataless files. Then you can follow the instructions in my wiki to make pz files using rdseed.
You will love how PDCC simplifies your objective.
Best,
Branden
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Branden Christensen
Jul 19, 2012, 1:09:57 AM7/19/12
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Francisco:
I will send you a response file for your instrument suite from the nominal response library using PDCC tomorrow. You can use it to double check you calculations.
I know first hand how difficult it is to wrestle with dataless, resp files and the myriad of other formats for instrument response files. I think you will find that PDCC and rdseed make the battle a lot easier.
Best,
B
Francisco Hernandez
Jul 19, 2012, 1:56:22 AM7/19/12
to earthwo...@googlegroups.com
Hey Branden,
Thank you! I have downloaded the program from IRIS. I have used rdseed before, but not for these particular response files. Tomorrow I will verify everything when you send the file.
Thanks again for your help.
Francisco
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Jean-Marie SAUREL
Jul 19, 2012, 8:11:24 AM7/19/12
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Hello Francisco,
In your pole-zero file, aside from the fact that the response itself
might be correct or not, you've got an error.
When you have Zeros that are nulls, SAC doesn't necessarily need them to
be printed, which is what you have.
But localmag and gmew need all the poles and zeros printed, even if they
are null.
So instead of
you would neeed
CONSTANT 5.75E+16
ZEROS 2
0.0 0.0
0.0 0.0
POLES 4
...
Best regards.
Jean-Marie.
Le 19/07/2012 06:56, Francisco Hernandez a �crit :
> * The digitizer constant is 2.5V/2^23Count (taken from
> here <http://lyris.nmt.edu/read/messages?id=25868>)
> * The sensor is a ES-T, Single-ended, � 2.5V output @ 2G
> * This means that the overall system gain is
> * There are 4 poles (Here
> <http://www.scribd.com/doc/55732431/Appnote39E#page=9>)
> o
> o -981 +-1009
> o -3290 +-1263
> * And 2 zeros (since this is Acceleration data)
> <mailto:earthwo...@googlegroups.com>
> <mailto:earthworm_forum%2Bunsu...@googlegroups.com>
> <http://groups.google.com/group/earthworm_forum?hl=en>
--
--------------------------------------
Institut de Physique du Globe de Paris
Observatoire Volcanologique et Sismologique de Martinique
Morne des Cadets
97250 Fonds St Denis
0596784141
Martinique - FWI
In your pole-zero file, aside from the fact that the response itself
might be correct or not, you've got an error.
When you have Zeros that are nulls, SAC doesn't necessarily need them to
be printed, which is what you have.
But localmag and gmew need all the poles and zeros printed, even if they
are null.
So instead of
CONSTANT 5.75E+16
ZEROS 2
POLES 4
...
ZEROS 2
POLES 4
you would neeed
CONSTANT 5.75E+16
ZEROS 2
0.0 0.0
0.0 0.0
POLES 4
...
Best regards.
Jean-Marie.
Le 19/07/2012 06:56, Francisco Hernandez a �crit :
> Hey Branden,
>
> Thank you! I have downloaded the program from IRIS. I have used rdseed
> before, but not for these particular response files. Tomorrow I will
> verify everything when you send the file.
>
> Thanks again for your help.
> Francisco
>
> On Thursday, July 19, 2012 1:09:57 AM UTC-4, Branden Christensen wrote:
>
> Francisco:
>
> I will send you a response file for your instrument suite from the
> nominal response library using PDCC tomorrow. You can use it to
> double check you calculations.
>
> I know first hand how difficult it is to wrestle with dataless, resp
> files and the myriad of other formats for instrument response files.
> I think you will find that PDCC and rdseed make the battle a lot easier.
>
> Best,
>
> B
>
> On Jul 18, 2012 11:21 PM, "Branden Christensen"
> <branden.c...@osop.com.pa
>
> Thank you! I have downloaded the program from IRIS. I have used rdseed
> before, but not for these particular response files. Tomorrow I will
> verify everything when you send the file.
>
> Thanks again for your help.
> Francisco
>
> On Thursday, July 19, 2012 1:09:57 AM UTC-4, Branden Christensen wrote:
>
> Francisco:
>
> I will send you a response file for your instrument suite from the
> nominal response library using PDCC tomorrow. You can use it to
> double check you calculations.
>
> I know first hand how difficult it is to wrestle with dataless, resp
> files and the myriad of other formats for instrument response files.
> I think you will find that PDCC and rdseed make the battle a lot easier.
>
> Best,
>
> B
>
> On Jul 18, 2012 11:21 PM, "Branden Christensen"
> <branden.c...@osop.com.pa
> <mailto:branden.c...@osop.com.pa>> wrote:
>
> Francisco:
>
> I strongly recommend you save yourself the headache and download
> the PDCC IRIS tool. With it you can use a nominal response
> library to create your dataless files. Then you can follow the
> instructions in my wiki to make pz files using rdseed.
>
> You will love how PDCC simplifies your objective.
>
> Best,
>
> Branden
>
> On Jul 18, 2012 11:02 PM, "Francisco Hernandez"
>
> Francisco:
>
> I strongly recommend you save yourself the headache and download
> the PDCC IRIS tool. With it you can use a nominal response
> library to create your dataless files. Then you can follow the
> instructions in my wiki to make pz files using rdseed.
>
> You will love how PDCC simplifies your objective.
>
> Best,
>
> Branden
>
> On Jul 18, 2012 11:02 PM, "Francisco Hernandez"
> <fjhern...@gmail.com <mailto:fjhern...@gmail.com>> wrote:
>
> Hello again everyone,
>
> I see that recently you have been creating responses from
> seeds, mine is a bit more complex. I have been trying to
> create responses from SEEDs but I have had to create
> responses from data about the K2 and ETNA. Here is my data
> so far:
>
> * What I think is the Normalizing Factor: k1 =
>
> Hello again everyone,
>
> I see that recently you have been creating responses from
> seeds, mine is a bit more complex. I have been trying to
> create responses from SEEDs but I have had to create
> responses from data about the K2 and ETNA. Here is my data
> so far:
>
> 2.46*10^-13 (Info can be found here
> <http://www.scribd.com/doc/55732431/Appnote39E#page=8>)
> * The digitizer constant is 2.5V/2^23Count (taken from
> here <http://lyris.nmt.edu/read/messages?id=25868>)
> * The sensor is a ES-T, Single-ended, � 2.5V output @ 2G
> its 1.25V/G (or 0.1275 V/m/s^2) (Info can be found
> here
> <http://www.scribd.com/doc/55732431/Appnote39E#page=8>)
> here
> * This means that the overall system gain is
> 2.337E-6m/s^2 counts ( If I did my math right )
> * So that would mean that using the formula from the
> localmag ((Normalizing Factor) * (micron/m) *
> (SysGain)) help it should be:
> o 2.46*10^-13 * 2.337 m/s^2 count = 5.75 * 10^-13
> (SysGain)) help it should be:
> (which is supposedly microns/count (s^2?) & radians)
> * Soo, after correcting to nanometres its 5.75 * 10^-16
> * There are 4 poles (Here
> <http://www.scribd.com/doc/55732431/Appnote39E#page=9>)
> o
> o -981 +-1009
> o -3290 +-1263
> * And 2 zeros (since this is Acceleration data)
>
> I don't know if these calculations are correct, so that is
> why I'm asking here is there anyone else that has configured
> an Etna or K2 instrument. I have been trying to get Gmew to
> work, but I need to know if the responses are correct to
> begin with...
>
> My file currently looks like this:
>
> CONSTANT 5.75E+16
> ZEROS 2
> POLES 4
> -9.81E+02 1.009E+03
> -9.81E+02 -1.009E+03
> -3.29E+03 1.263E+03
> -3.29E+03 -1.263E+03
>
>
> Thanks!
> Francisco
>
> --
> You received this message because you are subscribed to the
> Google
> Groups "Earthworm Community Forum" group.
>
> To post to this group, send an email to
> earthwo...@googlegroups.com
> I don't know if these calculations are correct, so that is
> why I'm asking here is there anyone else that has configured
> an Etna or K2 instrument. I have been trying to get Gmew to
> work, but I need to know if the responses are correct to
> begin with...
>
> My file currently looks like this:
>
> CONSTANT 5.75E+16
> ZEROS 2
> POLES 4
> -9.81E+02 1.009E+03
> -9.81E+02 -1.009E+03
> -3.29E+03 1.263E+03
> -3.29E+03 -1.263E+03
>
>
> Thanks!
> Francisco
>
> --
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> Groups "Earthworm Community Forum" group.
>
> To post to this group, send an email to
> <mailto:earthwo...@googlegroups.com>
>
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> earthworm_for...@googlegroups.com
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>
> --
> You received this message because you are subscribed to the Google
> Groups "Earthworm Community Forum" group.
>
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--
--------------------------------------
Institut de Physique du Globe de Paris
Observatoire Volcanologique et Sismologique de Martinique
Morne des Cadets
97250 Fonds St Denis
0596784141
Martinique - FWI
Branden Christensen
Jul 19, 2012, 9:14:22 AM7/19/12
to earthwo...@googlegroups.com
Francisco,
Buenos dias.
Attached find a dataless file for the Episensor+Etna combo made with PDCC (example.dataless). Once you get the hang of PDCC, it will take you just a few minutes to generate dataless. Please be patient with PDCC, it likes to misbehave a bit!
I made the dataless below the following conditions:
Kinemetrics Episensor
+/- 2.5 V Single Ended (this parameter will not impact poles and zeros)
2g (this parameter will not impact poles and zeros)
200 sps (this parameter will not impact poles and zeros)
+
Kinemetrics Etna
You will note that in PDCC the Etna and K2 response files are empty. As the sensors are integrated into the Episensor, I imagine that the complete response for the system is found in the Episensor response file. That is to say, the poles and zeros for the entire system's transfer function (digitizer + sensor) are contained within the Episensor response file. The Etna and K2 response files, then, exist to conform to PDCC's demand that digitizers and sensors be separate.
The sac formatted output from ./rdseed -pf example.dataless is also attached.
You will note that the poles, zeros and constant values are:
ZEROS 2
+0.000000e+00 +0.000000e+00
+0.000000e+00 +0.000000e+00
POLES 4
-9.810000e+02 +1.009000e+03
-9.810000e+02 -1.009000e+03
-3.290000e+03 +1.263000e+03
-3.290000e+03 -1.263000e+03
CONSTANT +1.053680e+19
converting to nm:
ZEROS 2
+0.000000e+00 +0.000000e+00
+0.000000e+00 +0.000000e+00
POLES 4
-9.810000e+02 +1.009000e+03
-9.810000e+02 -1.009000e+03
-3.290000e+03 +1.263000e+03
-3.290000e+03 -1.263000e+03
CONSTANT +1.053680e+10
So congratulations! Your poles and zeros are spot on. Now, our constants are different. This can likely be attributed to the settings you are running the Episensor at.
I hope this helps. Shoot any questions wrt PDCC our way.
Best,
On Thu, Jul 19, 2012 at 12:11 PM, Jean-Marie SAUREL <sau...@ipgp.fr> wrote:
Hello Francisco,
In your pole-zero file, aside from the fact that the response itself might be correct or not, you've got an error.
When you have Zeros that are nulls, SAC doesn't necessarily need them to be printed, which is what you have.
But localmag and gmew need all the poles and zeros printed, even if they are null.
So instead of...
CONSTANT 5.75E+16
ZEROS 2
POLES 4
you would neeed
CONSTANT 5.75E+16
ZEROS 2
0.0 0.0
0.0 0.0
POLES 4
...
Best regards.
Jean-Marie.
Le 19/07/2012 06:56, Francisco Hernandez a écrit :
Hey Branden,
Thank you! I have downloaded the program from IRIS. I have used rdseed
before, but not for these particular response files. Tomorrow I will
verify everything when you send the file.
Thanks again for your help.
Francisco
On Thursday, July 19, 2012 1:09:57 AM UTC-4, Branden Christensen wrote:
Francisco:
I will send you a response file for your instrument suite from the
nominal response library using PDCC tomorrow. You can use it to
double check you calculations.
I know first hand how difficult it is to wrestle with dataless, resp
files and the myriad of other formats for instrument response files.
I think you will find that PDCC and rdseed make the battle a lot easier.
Best,
B
On Jul 18, 2012 11:21 PM, "Branden Christensen"
<branden.c...@osop.com.pa
<mailto:branden.christensen@osop.com.pa>> wrote:
Francisco:
I strongly recommend you save yourself the headache and download
the PDCC IRIS tool. With it you can use a nominal response
library to create your dataless files. Then you can follow the
instructions in my wiki to make pz files using rdseed.
You will love how PDCC simplifies your objective.
Best,
Branden
On Jul 18, 2012 11:02 PM, "Francisco Hernandez"
<fjhern...@gmail.com <mailto:fjhernandez89@gmail.com>> wrote:* What I think is the Normalizing Factor: k1 =
Hello again everyone,
I see that recently you have been creating responses from
seeds, mine is a bit more complex. I have been trying to
create responses from SEEDs but I have had to create
responses from data about the K2 and ETNA. Here is my data
so far:
<http://www.scribd.com/doc/55732431/Appnote39E#page=8>)
2.46*10^-13 (Info can be found here
* The digitizer constant is 2.5V/2^23Count (taken from
here <http://lyris.nmt.edu/read/messages?id=25868>)
* The sensor is a ES-T, Single-ended, ą 2.5V output @ 2G
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--------------------------------------
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Observatoire Volcanologique et Sismologique de Martinique
Morne des Cadets
97250 Fonds St Denis
0596784141
Martinique - FWI
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Paul Friberg
Jul 19, 2012, 10:39:29 AM7/19/12
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Jean-Marie,
This may have been once the case, but the transfer.c code was modified in a later version of Earthworm and you just
need to put in the ZEROS line (just like SAC does) and not the actual zeros values themselves. Actually,
I modified the code so it handles both cases now. Let me know if you find that not to be the case.
Cheers,
Paul
>> * The sensor is a ES-T, Single-ended, ą 2.5V output @ 2G
This may have been once the case, but the transfer.c code was modified in a later version of Earthworm and you just
need to put in the ZEROS line (just like SAC does) and not the actual zeros values themselves. Actually,
I modified the code so it handles both cases now. Let me know if you find that not to be the case.
Cheers,
Paul
Branden Christensen
Jul 19, 2012, 10:43:52 AM7/19/12
to earthwo...@googlegroups.com
Paul:
I tested this out while I was playing around a few nights ago. It works.
Best,
Jean-Marie SAUREL wrote:
<mailto:branden.christensen@osop.com.pa>> wrote:
Francisco:
I strongly recommend you save yourself the headache and download
the PDCC IRIS tool. With it you can use a nominal response
library to create your dataless files. Then you can follow the
instructions in my wiki to make pz files using rdseed.
You will love how PDCC simplifies your objective.
Best,
Branden
On Jul 18, 2012 11:02 PM, "Francisco Hernandez"
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Paul Friberg
Jul 19, 2012, 11:09:18 AM7/19/12
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Thanks for confirming.
On another note, I am thinking about putting an option into each of gmew and localmag to allow Meters of displacement instead
of nanometers of displacement. This would allow newcomers to EW to not have to muck with changing rdseed -pf files.
Also, glad you like the Nominal Response Library (NRL) feature of PDCC. That PDCC Java interface to NRL was ISTI work and Mary Templeton
of the IRIS DMC has done a fantastic job keeping the responses updated.
Regards,
Paul
Branden Christensen wrote:
> Paul:
>
>
> I tested this out while I was playing around a few nights ago. It works.
>
>
> Best,
>
> Director, OSOP
> *branden.c...@osop.com.pa <mailto:branden.c...@osop.com.pa>*
> www.osop.com.pa <http://www.osop.com.pa>
> Volcan, Panama
> <mailto:branden.christensen@__osop.com.pa <mailto:branden.c...@osop.com.pa>>> wrote:
>
> Francisco:
>
> I strongly recommend you save yourself the headache and download
> the PDCC IRIS tool. With it you can use a nominal response
> library to create your dataless files. Then you can follow the
> instructions in my wiki to make pz files using rdseed.
>
> You will love how PDCC simplifies your objective.
>
> Best,
>
> Branden
>
> On Jul 18, 2012 11:02 PM, "Francisco Hernandez"
>
> Francisco:
>
> I strongly recommend you save yourself the headache and download
> the PDCC IRIS tool. With it you can use a nominal response
> library to create your dataless files. Then you can follow the
> instructions in my wiki to make pz files using rdseed.
>
> You will love how PDCC simplifies your objective.
>
> Best,
>
> Branden
>
> On Jul 18, 2012 11:02 PM, "Francisco Hernandez"
> <fjhern...@gmail.com <mailto:fjhern...@gmail.com> <mailto:fjhernandez89@gmail.__com <mailto:fjhern...@gmail.com>>> wrote:
>
> Hello again everyone,
>
> I see that recently you have been creating responses from
> seeds, mine is a bit more complex. I have been trying to
> create responses from SEEDs but I have had to create
> responses from data about the K2 and ETNA. Here is my data
> so far:
>
> * What I think is the Normalizing Factor: k1 =
> 2.46*10^-13 (Info can be found here
> <http://www.scribd.com/doc/__55732431/Appnote39E#page=8 <http://www.scribd.com/doc/55732431/Appnote39E#page=8>>)
>
> Hello again everyone,
>
> I see that recently you have been creating responses from
> seeds, mine is a bit more complex. I have been trying to
> create responses from SEEDs but I have had to create
> responses from data about the K2 and ETNA. Here is my data
> so far:
>
> * What I think is the Normalizing Factor: k1 =
> 2.46*10^-13 (Info can be found here
> * The digitizer constant is 2.5V/2^23Count (taken from
> here <http://lyris.nmt.edu/read/__messages?id=25868 <http://lyris.nmt.edu/read/messages?id=25868>>)
> * The sensor is a ES-T, Single-ended, ą 2.5V output @ 2G
> its 1.25V/G (or 0.1275 V/m/s^2) (Info can be found
> here
> <http://www.scribd.com/doc/__55732431/Appnote39E#page=8 <http://www.scribd.com/doc/55732431/Appnote39E#page=8>>)
> its 1.25V/G (or 0.1275 V/m/s^2) (Info can be found
> here
> * This means that the overall system gain is
> 2.337E-6m/s^2 counts ( If I did my math right )
> * So that would mean that using the formula from the
> localmag ((Normalizing Factor) * (micron/m) *
> (SysGain)) help it should be:
> o 2.46*10^-13 * 2.337 m/s^2 count = 5.75 * 10^-13
> (which is supposedly microns/count (s^2?) & radians)
> * Soo, after correcting to nanometres its 5.75 * 10^-16
> * There are 4 poles (Here
> <http://www.scribd.com/doc/__55732431/Appnote39E#page=9 <http://www.scribd.com/doc/55732431/Appnote39E#page=9>>)
> 2.337E-6m/s^2 counts ( If I did my math right )
> * So that would mean that using the formula from the
> localmag ((Normalizing Factor) * (micron/m) *
> (SysGain)) help it should be:
> o 2.46*10^-13 * 2.337 m/s^2 count = 5.75 * 10^-13
> (which is supposedly microns/count (s^2?) & radians)
> * Soo, after correcting to nanometres its 5.75 * 10^-16
> * There are 4 poles (Here
> o
> o -981 +-1009
> o -3290 +-1263
> * And 2 zeros (since this is Acceleration data)
>
> I don't know if these calculations are correct, so that is
> why I'm asking here is there anyone else that has configured
> an Etna or K2 instrument. I have been trying to get Gmew to
> work, but I need to know if the responses are correct to
> begin with...
>
> My file currently looks like this:
>
> CONSTANT 5.75E+16
> ZEROS 2
> POLES 4
> -9.81E+02 1.009E+03
> -9.81E+02 -1.009E+03
> -3.29E+03 1.263E+03
> -3.29E+03 -1.263E+03
>
>
> Thanks!
> Francisco
>
> --
> You received this message because you are subscribed to the
> Google
> Groups "Earthworm Community Forum" group.
>
> To post to this group, send an email to
> earthworm_forum@googlegroups.__com <mailto:earthwo...@googlegroups.com>
> o -981 +-1009
> o -3290 +-1263
> * And 2 zeros (since this is Acceleration data)
>
> I don't know if these calculations are correct, so that is
> why I'm asking here is there anyone else that has configured
> an Etna or K2 instrument. I have been trying to get Gmew to
> work, but I need to know if the responses are correct to
> begin with...
>
> My file currently looks like this:
>
> CONSTANT 5.75E+16
> ZEROS 2
> POLES 4
> -9.81E+02 1.009E+03
> -9.81E+02 -1.009E+03
> -3.29E+03 1.263E+03
> -3.29E+03 -1.263E+03
>
>
> Thanks!
> Francisco
>
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Francisco Hernandez
Jul 19, 2012, 11:28:56 AM7/19/12
to earthwo...@googlegroups.com, branden.c...@osop.com.pa
Branden,
Those settings from IRIS worked perfectly. I already verified the gmew output with data that we had already processed and the results were spot on. I also verified what you sent me with the dataless seed I created, followed the instructions on the wiki, same results.
Thanks!
Francisco
Branden Christensen
Jul 19, 2012, 11:33:50 AM7/19/12
to earthwo...@googlegroups.com
Paul:
GREAT idea. Cutting out the unit conversion step and relying on the output of rdseed -pf command will make life a bit easier and forgo common user errors. Would it be possible to use the output from rdseed -pf directly without the need for cutting and pasting the poles and zeros into a file with an Earthworm specific file name? Perhaps that can already be done.
I have some additional ideas for gmew and localmag enhancements- mostly along the lines of closer integration with ShakeMap. If money ever flows your way to make small tweeks to the modules, we should then chat for a spell to exchange ideas. If we make any changes to the source, I will also forward these along.
I remember Stefan mentioning that PDCC was an IRIS-funded ISTI product while he was visiting us at OSOP last month. Sure has made my life WAY easier as I configure Earthworms and SeisComP systems across Latin America. Why did IRIS not host the PDCC functionality on the web? Scope for the future!
Kind Regards,
On Thu, Jul 19, 2012 at 3:09 PM, Paul Friberg <p.fr...@isti.com> wrote:
Thanks for confirming.
On another note, I am thinking about putting an option into each of gmew and localmag to allow Meters of displacement instead
of nanometers of displacement. This would allow newcomers to EW to not have to muck with changing rdseed -pf files.
Also, glad you like the Nominal Response Library (NRL) feature of PDCC. That PDCC Java interface to NRL was ISTI work and Mary Templeton
of the IRIS DMC has done a fantastic job keeping the responses updated.
Regards,
Paul
Branden Christensen wrote:
Paul:*Branden C. Christensen*
I tested this out while I was playing around a few nights ago. It works.
Best,
Director, OSOP
<branden.c...@osop.com.__pa <mailto:branden.christensen@osop.com.pa>
<mailto:branden.christensen@__osop.com.pa <mailto:branden.christensen@osop.com.pa>>> wrote:
Francisco:
I strongly recommend you save yourself the headache and download
the PDCC IRIS tool. With it you can use a nominal response
library to create your dataless files. Then you can follow the
instructions in my wiki to make pz files using rdseed.
You will love how PDCC simplifies your objective.
Best,
Branden
On Jul 18, 2012 11:02 PM, "Francisco Hernandez"
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Paul Friberg
Jul 19, 2012, 11:48:00 AM7/19/12
to earthwo...@googlegroups.com
Branden,
Branden Christensen wrote:
> GREAT idea. Cutting out the unit conversion step and relying on the output of rdseed -pf command will make life a bit easier and forgo common user errors. Would it be possible to use the output from rdseed -pf directly without the need for cutting and pasting the poles and zeros into a file with an Earthworm specific file name? Perhaps that can already be done.
Thanks. Next time I am under the hood of that code I will try and get it done. It will come in handy for another magnitude measure I am working on adding to Earthworm.
The filenames output from rdseed -pf are based on the time span of the response that generated it, so you need to know which
timespan is desired.....that could probably be handled as an option too, but would require quite a bit more coding than an
simple option for changing units.
> I have some additional ideas for gmew and localmag enhancements- mostly along the lines of closer integration with ShakeMap. If money ever flows your way to make small tweeks to the modules, we should then chat for a spell to exchange ideas. If we make any changes to the source, I will also forward these along.
Make the requests, and maybe someone will come up with $$ to fund the changes.
If you make any changes to the code, it would be great if you would share them back.
> I remember Stefan mentioning that PDCC was an IRIS-funded ISTI product while he was visiting us at OSOP last month. Sure has made my life WAY easier as I configure Earthworms and SeisComP systems across Latin America. Why did IRIS not host the PDCC functionality on the web? Scope for the future!
You got that partially right, PDCC is an IRIS product (many authors), but augmented by ISTI tools to make loading responses easier using the NRL. Glad you like the feature we were contracted to add in.
Look to the Web Services that IRIS is putting out. There is a response web service capability now if you need a response from a network that has data at the DMC:
http://www.iris.edu/ws/
In particular, look at the one: http://www.iris.edu/ws/sacpz
Regards,
Paul
>
>
>
> On Thu, Jul 19, 2012 at 3:09 PM, Paul Friberg <p.fr...@isti.com <mailto:p.fr...@isti.com>> wrote:
>
>
>
> Thanks for confirming.
>
> On another note, I am thinking about putting an option into each of gmew and localmag to allow Meters of displacement instead
> of nanometers of displacement. This would allow newcomers to EW to not have to muck with changing rdseed -pf files.
>
> Also, glad you like the Nominal Response Library (NRL) feature of PDCC. That PDCC Java interface to NRL was ISTI work and Mary Templeton
> of the IRIS DMC has done a fantastic job keeping the responses updated.
>
> Regards,
>
> Paul
>
>
> Branden Christensen wrote:
>
> Paul:
>
>
> I tested this out while I was playing around a few nights ago. It works.
>
>
> Best,
>
> *Branden C. Christensen*
> Director, OSOP
> *branden.c...@osop.com.__pa <mailto:branden.c...@osop.com.pa> <mailto:branden.christensen@__osop.com.pa <mailto:branden.c...@osop.com.pa>>*
> www.osop.com.pa <http://www.osop.com.pa> <http://www.osop.com.pa>
> <branden.c...@osop.com <mailto:branden.c...@osop.com>.____pa <mailto:branden.christensen@__osop.com.pa <mailto:branden.c...@osop.com.pa>>
> <mailto:earthworm_forum@ <mailto:earthworm_forum@>__goog__legroups.com <http://googlegroups.com> <mailto:earthworm_forum@__googlegroups.com <mailto:earthwo...@googlegroups.com>>>
> <mailto:earthworm_forum%____2Bun...@googlegroups.com <mailto:earthworm_forum%25__2Bun...@googlegroups.com> <mailto:earthworm_forum%__252Bunsubscribe@googlegroups.__com <mailto:earthworm_forum%25252Bun...@googlegroups.com>>__>
> <http://groups.google.com/____group/earthworm_forum?hl=en <http://groups.google.com/__group/earthworm_forum?hl=en> <http://groups.google.com/__group/earthworm_forum?hl=en <http://groups.google.com/group/earthworm_forum?hl=en>>>
Branden Christensen wrote:
> GREAT idea. Cutting out the unit conversion step and relying on the output of rdseed -pf command will make life a bit easier and forgo common user errors. Would it be possible to use the output from rdseed -pf directly without the need for cutting and pasting the poles and zeros into a file with an Earthworm specific file name? Perhaps that can already be done.
The filenames output from rdseed -pf are based on the time span of the response that generated it, so you need to know which
timespan is desired.....that could probably be handled as an option too, but would require quite a bit more coding than an
simple option for changing units.
> I have some additional ideas for gmew and localmag enhancements- mostly along the lines of closer integration with ShakeMap. If money ever flows your way to make small tweeks to the modules, we should then chat for a spell to exchange ideas. If we make any changes to the source, I will also forward these along.
If you make any changes to the code, it would be great if you would share them back.
> I remember Stefan mentioning that PDCC was an IRIS-funded ISTI product while he was visiting us at OSOP last month. Sure has made my life WAY easier as I configure Earthworms and SeisComP systems across Latin America. Why did IRIS not host the PDCC functionality on the web? Scope for the future!
Look to the Web Services that IRIS is putting out. There is a response web service capability now if you need a response from a network that has data at the DMC:
http://www.iris.edu/ws/
In particular, look at the one: http://www.iris.edu/ws/sacpz
Regards,
Paul
>
>
>
> On Thu, Jul 19, 2012 at 3:09 PM, Paul Friberg <p.fr...@isti.com <mailto:p.fr...@isti.com>> wrote:
>
>
>
> Thanks for confirming.
>
> On another note, I am thinking about putting an option into each of gmew and localmag to allow Meters of displacement instead
> of nanometers of displacement. This would allow newcomers to EW to not have to muck with changing rdseed -pf files.
>
> Also, glad you like the Nominal Response Library (NRL) feature of PDCC. That PDCC Java interface to NRL was ISTI work and Mary Templeton
> of the IRIS DMC has done a fantastic job keeping the responses updated.
>
> Regards,
>
> Paul
>
>
> Branden Christensen wrote:
>
> Paul:
>
>
> I tested this out while I was playing around a few nights ago. It works.
>
>
> Best,
>
> *Branden C. Christensen*
> Director, OSOP
> www.osop.com.pa <http://www.osop.com.pa> <http://www.osop.com.pa>
>
> <mailto:branden.christensen@ <mailto:branden.christensen@>____osop.com.pa <http://osop.com.pa> <mailto:branden.christensen@__osop.com.pa <mailto:branden.c...@osop.com.pa>>>> wrote:
>
> Francisco:
>
> I strongly recommend you save yourself the headache and download
> the PDCC IRIS tool. With it you can use a nominal response
> library to create your dataless files. Then you can follow the
> instructions in my wiki to make pz files using rdseed.
>
> You will love how PDCC simplifies your objective.
>
> Best,
>
> Branden
>
> On Jul 18, 2012 11:02 PM, "Francisco Hernandez"
> <mailto:branden.christensen@ <mailto:branden.christensen@>____osop.com.pa <http://osop.com.pa> <mailto:branden.christensen@__osop.com.pa <mailto:branden.c...@osop.com.pa>>>> wrote:
>
> Francisco:
>
> I strongly recommend you save yourself the headache and download
> the PDCC IRIS tool. With it you can use a nominal response
> library to create your dataless files. Then you can follow the
> instructions in my wiki to make pz files using rdseed.
>
> You will love how PDCC simplifies your objective.
>
> Best,
>
> Branden
>
> On Jul 18, 2012 11:02 PM, "Francisco Hernandez"
> <fjhern...@gmail.com <mailto:fjhern...@gmail.com> <mailto:fjhernandez89@gmail.__com <mailto:fjhern...@gmail.com>> <mailto:fjhernandez89@gmail. <mailto:fjhernandez89@gmail.>____com <mailto:fjhernandez89@gmail.__com <mailto:fjhern...@gmail.com>>>> wrote:
>
> Hello again everyone,
>
> I see that recently you have been creating responses from
> seeds, mine is a bit more complex. I have been trying to
> create responses from SEEDs but I have had to create
> responses from data about the K2 and ETNA. Here is my data
> so far:
>
> * What I think is the Normalizing Factor: k1 =
> 2.46*10^-13 (Info can be found here
> <http://www.scribd.com/doc/____55732431/Appnote39E#page=8 <http://www.scribd.com/doc/__55732431/Appnote39E#page=8> <http://www.scribd.com/doc/__55732431/Appnote39E#page=8 <http://www.scribd.com/doc/55732431/Appnote39E#page=8>>>)
>
> Hello again everyone,
>
> I see that recently you have been creating responses from
> seeds, mine is a bit more complex. I have been trying to
> create responses from SEEDs but I have had to create
> responses from data about the K2 and ETNA. Here is my data
> so far:
>
> * What I think is the Normalizing Factor: k1 =
> 2.46*10^-13 (Info can be found here
>
> * The digitizer constant is 2.5V/2^23Count (taken from
> here <http://lyris.nmt.edu/read/____messages?id=25868 <http://lyris.nmt.edu/read/__messages?id=25868> <http://lyris.nmt.edu/read/__messages?id=25868 <http://lyris.nmt.edu/read/messages?id=25868>>>)
> * The digitizer constant is 2.5V/2^23Count (taken from
>
> * The sensor is a ES-T, Single-ended, ą 2.5V output @ 2G
> its 1.25V/G (or 0.1275 V/m/s^2) (Info can be found
> here
> <http://www.scribd.com/doc/____55732431/Appnote39E#page=8 <http://www.scribd.com/doc/__55732431/Appnote39E#page=8> <http://www.scribd.com/doc/__55732431/Appnote39E#page=8 <http://www.scribd.com/doc/55732431/Appnote39E#page=8>>>)
> * The sensor is a ES-T, Single-ended, ą 2.5V output @ 2G
> its 1.25V/G (or 0.1275 V/m/s^2) (Info can be found
> here
>
> * This means that the overall system gain is
> 2.337E-6m/s^2 counts ( If I did my math right )
> * So that would mean that using the formula from the
> localmag ((Normalizing Factor) * (micron/m) *
> (SysGain)) help it should be:
> o 2.46*10^-13 * 2.337 m/s^2 count = 5.75 * 10^-13
> (which is supposedly microns/count (s^2?) & radians)
> * Soo, after correcting to nanometres its 5.75 * 10^-16
> * There are 4 poles (Here
> <http://www.scribd.com/doc/____55732431/Appnote39E#page=9 <http://www.scribd.com/doc/__55732431/Appnote39E#page=9> <http://www.scribd.com/doc/__55732431/Appnote39E#page=9 <http://www.scribd.com/doc/55732431/Appnote39E#page=9>>>)
> * This means that the overall system gain is
> 2.337E-6m/s^2 counts ( If I did my math right )
> * So that would mean that using the formula from the
> localmag ((Normalizing Factor) * (micron/m) *
> (SysGain)) help it should be:
> o 2.46*10^-13 * 2.337 m/s^2 count = 5.75 * 10^-13
> (which is supposedly microns/count (s^2?) & radians)
> * Soo, after correcting to nanometres its 5.75 * 10^-16
> * There are 4 poles (Here
>
> o
> o -981 +-1009
> o -3290 +-1263
> * And 2 zeros (since this is Acceleration data)
>
> I don't know if these calculations are correct, so that is
> why I'm asking here is there anyone else that has configured
> an Etna or K2 instrument. I have been trying to get Gmew to
> work, but I need to know if the responses are correct to
> begin with...
>
> My file currently looks like this:
>
> CONSTANT 5.75E+16
> ZEROS 2
> POLES 4
> -9.81E+02 1.009E+03
> -9.81E+02 -1.009E+03
> -3.29E+03 1.263E+03
> -3.29E+03 -1.263E+03
>
>
> Thanks!
> Francisco
>
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> You received this message because you are subscribed to the
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> o
> o -981 +-1009
> o -3290 +-1263
> * And 2 zeros (since this is Acceleration data)
>
> I don't know if these calculations are correct, so that is
> why I'm asking here is there anyone else that has configured
> an Etna or K2 instrument. I have been trying to get Gmew to
> work, but I need to know if the responses are correct to
> begin with...
>
> My file currently looks like this:
>
> CONSTANT 5.75E+16
> ZEROS 2
> POLES 4
> -9.81E+02 1.009E+03
> -9.81E+02 -1.009E+03
> -3.29E+03 1.263E+03
> -3.29E+03 -1.263E+03
>
>
> Thanks!
> Francisco
>
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