common HDDM interface for generator level output

[sdobbs]

From Eugene:

A common class for writing out HDDM thrown-level output would be very useful.
This could be implemented as a standalone library.

Sean's suggestion: it would also be good to have a standalone program to do this as well from some common input format

[rjones30]

Hello Sean and all,

I am working on the following utility that reads in any hddm file and prints out in plain text what was generated and what happened to the primaries. I have already written this program, and would like your feedback on how it works. This is a sample output from it, at present, reading from a bggen generated hddm file. The vertex is 0,0,65 because it has not yet been simulated. Further decay vertices will show up as soon as these events are simulated. They will appear under their parent particle in the listing as further indented lines. Please let me know if there are improvements you would like to see to this scheme. I was planning to release this over the weekend, but got distracted by another HDGeant4 bug.

Run 50141, event 2: Photon (8.564 GeV) Proton (0.938 GeV) -> Pi+, 1.104 GeV, beta=(-0.412,-0.035,0.902) Pi-, 6.723 GeV, beta=(0.070,0.043,0.996) Proton, 1.257 GeV, beta=(-0.011,-0.103,0.658) Pi+, 0.211 GeV, beta=(0.029,-0.544,-0.516) Pi-, 0.207 GeV, beta=(-0.052,-0.017,0.737) in the LiqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 4: Photon (8.452 GeV) Proton (0.938 GeV) -> Pi+, 1.633 GeV, beta=(-0.161,0.050,0.982) Pi-, 1.795 GeV, beta=(0.421,-0.247,0.869) Pi0, 0.236 GeV, beta=(0.075,-0.060,0.815) Eta, 3.735 GeV, beta=(-0.045,0.043,0.987) Neutron, 1.703 GeV, beta=(-0.243,-0.012,0.798) Pi+, 0.289 GeV, beta=(0.243,0.823,0.174) in the liqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 6: Photon (8.460 GeV) Proton (0.938 GeV) -> KShort, 2.929 GeV, beta=(-0.080,-0.025,0.982) KLong, 4.261 GeV, beta=(-0.033,0.053,0.991) Sigma+, 1.517 GeV, beta=(0.164,-0.084,0.593) KLong, 0.691 GeV, beta=(0.183,-0.041,0.668) in the GlueX spectrometer (0.000,0.000,65.000)cm at 0.000 ns

On Tue, Mar 5, 2019 at 4:18 PM Sean Dobbs notifications@github.com wrote:

From Eugene:

A common class for writing out HDDM thrown-level output would be very useful. This could be implemented as a standalone library.

Sean's suggestion: it would also be good to have a standalone program to do this as well from some common input format

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[sdobbs]

Hi Richard,

That sounds like a great utility. For the record, Eugene's request was more specifically about writing to HDDM, for example, for people writing their own event generator.

---Sean

On Tue, Mar 5, 2019 at 5:08 PM Richard Jones notifications@github.com wrote:

Hello Sean and all,

I am working on the following utility that reads in any hddm file and prints out in plain text what was generated and what happened to the primaries. I have already written this program, and would like your feedback on how it works. This is a sample output from it, at present, reading from a bggen generated hddm file. The vertex is 0,0,65 because it has not yet been simulated. Further decay vertices will show up as soon as these events are simulated. They will appear under their parent particle in the listing as further indented lines. Please let me know if there are improvements you would like to see to this scheme. I was planning to release this over the weekend, but got distracted by another HDGeant4 bug.

Run 50141, event 2: Photon (8.564 GeV) Proton (0.938 GeV) -> Pi+, 1.104 GeV, beta=(-0.412,-0.035,0.902) Pi-, 6.723 GeV, beta=(0.070,0.043,0.996) Proton, 1.257 GeV, beta=(-0.011,-0.103,0.658) Pi+, 0.211 GeV, beta=(0.029,-0.544,-0.516) Pi-, 0.207 GeV, beta=(-0.052,-0.017,0.737) in the LiqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 4: Photon (8.452 GeV) Proton (0.938 GeV) -> Pi+, 1.633 GeV, beta=(-0.161,0.050,0.982) Pi-, 1.795 GeV, beta=(0.421,-0.247,0.869) Pi0, 0.236 GeV, beta=(0.075,-0.060,0.815) Eta, 3.735 GeV, beta=(-0.045,0.043,0.987) Neutron, 1.703 GeV, beta=(-0.243,-0.012,0.798) Pi+, 0.289 GeV, beta=(0.243,0.823,0.174) in the liqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 6: Photon (8.460 GeV) Proton (0.938 GeV) -> KShort, 2.929 GeV, beta=(-0.080,-0.025,0.982) KLong, 4.261 GeV, beta=(-0.033,0.053,0.991) Sigma+, 1.517 GeV, beta=(0.164,-0.084,0.593) KLong, 0.691 GeV, beta=(0.183,-0.041,0.668) in the GlueX spectrometer (0.000,0.000,65.000)cm at 0.000 ns

On Tue, Mar 5, 2019 at 4:18 PM Sean Dobbs notifications@github.com wrote:

From Eugene:

A common class for writing out HDDM thrown-level output would be very useful. This could be implemented as a standalone library.

Sean's suggestion: it would also be good to have a standalone program to do this as well from some common input format

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[rjones30]

Sean,

Would it be useful for me to write a short example program for writing an event generator?

-Richard

On Tue, Mar 5, 2019 at 5:11 PM Sean Dobbs notifications@github.com wrote:

Hi Richard,

That sounds like a great utility. For the record, Eugene's request was more specifically about writing to HDDM, for example, for people writing their own event generator.

---Sean

On Tue, Mar 5, 2019 at 5:08 PM Richard Jones notifications@github.com wrote:

Hello Sean and all,

I am working on the following utility that reads in any hddm file and prints out in plain text what was generated and what happened to the primaries. I have already written this program, and would like your feedback on how it works. This is a sample output from it, at present, reading from a bggen generated hddm file. The vertex is 0,0,65 because it has not yet been simulated. Further decay vertices will show up as soon as these events are simulated. They will appear under their parent particle in the listing as further indented lines. Please let me know if there are improvements you would like to see to this scheme. I was planning to release this over the weekend, but got distracted by another HDGeant4 bug.

Run 50141, event 2: Photon (8.564 GeV) Proton (0.938 GeV) -> Pi+, 1.104 GeV, beta=(-0.412,-0.035,0.902) Pi-, 6.723 GeV, beta=(0.070,0.043,0.996) Proton, 1.257 GeV, beta=(-0.011,-0.103,0.658) Pi+, 0.211 GeV, beta=(0.029,-0.544,-0.516) Pi-, 0.207 GeV, beta=(-0.052,-0.017,0.737) in the LiqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 4: Photon (8.452 GeV) Proton (0.938 GeV) -> Pi+, 1.633 GeV, beta=(-0.161,0.050,0.982) Pi-, 1.795 GeV, beta=(0.421,-0.247,0.869) Pi0, 0.236 GeV, beta=(0.075,-0.060,0.815) Eta, 3.735 GeV, beta=(-0.045,0.043,0.987) Neutron, 1.703 GeV, beta=(-0.243,-0.012,0.798) Pi+, 0.289 GeV, beta=(0.243,0.823,0.174) in the liqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 6: Photon (8.460 GeV) Proton (0.938 GeV) -> KShort, 2.929 GeV, beta=(-0.080,-0.025,0.982) KLong, 4.261 GeV, beta=(-0.033,0.053,0.991) Sigma+, 1.517 GeV, beta=(0.164,-0.084,0.593) KLong, 0.691 GeV, beta=(0.183,-0.041,0.668) in the GlueX spectrometer (0.000,0.000,65.000)cm at 0.000 ns

On Tue, Mar 5, 2019 at 4:18 PM Sean Dobbs notifications@github.com wrote:

From Eugene:

A common class for writing out HDDM thrown-level output would be very useful. This could be implemented as a standalone library.

Sean's suggestion: it would also be good to have a standalone program to do this as well from some common input format

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[sdobbs]

Richard,

That sounds like a good idea. The only requirement is that the HDDM output be modular (or at least that is what I got from the discussion at the meeting!)

---Sean

On Tue, Mar 5, 2019 at 10:41 PM Richard Jones notifications@github.com wrote:

Sean,

Would it be useful for me to write a short example program for writing an event generator?

-Richard

On Tue, Mar 5, 2019 at 5:11 PM Sean Dobbs notifications@github.com wrote:

Hi Richard,

That sounds like a great utility. For the record, Eugene's request was more specifically about writing to HDDM, for example, for people writing their own event generator.

---Sean

On Tue, Mar 5, 2019 at 5:08 PM Richard Jones notifications@github.com wrote:

Hello Sean and all,

I am working on the following utility that reads in any hddm file and prints out in plain text what was generated and what happened to the primaries. I have already written this program, and would like your feedback on how it works. This is a sample output from it, at present, reading from a bggen generated hddm file. The vertex is 0,0,65 because it has not yet been simulated. Further decay vertices will show up as soon as these events are simulated. They will appear under their parent particle in the listing as further indented lines. Please let me know if there are improvements you would like to see to this scheme. I was planning to release this over the weekend, but got distracted by another HDGeant4 bug.

Run 50141, event 2: Photon (8.564 GeV) Proton (0.938 GeV) -> Pi+, 1.104 GeV, beta=(-0.412,-0.035,0.902) Pi-, 6.723 GeV, beta=(0.070,0.043,0.996) Proton, 1.257 GeV, beta=(-0.011,-0.103,0.658) Pi+, 0.211 GeV, beta=(0.029,-0.544,-0.516) Pi-, 0.207 GeV, beta=(-0.052,-0.017,0.737) in the LiqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 4: Photon (8.452 GeV) Proton (0.938 GeV) -> Pi+, 1.633 GeV, beta=(-0.161,0.050,0.982) Pi-, 1.795 GeV, beta=(0.421,-0.247,0.869) Pi0, 0.236 GeV, beta=(0.075,-0.060,0.815) Eta, 3.735 GeV, beta=(-0.045,0.043,0.987) Neutron, 1.703 GeV, beta=(-0.243,-0.012,0.798) Pi+, 0.289 GeV, beta=(0.243,0.823,0.174) in the liqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 6: Photon (8.460 GeV) Proton (0.938 GeV) -> KShort, 2.929 GeV, beta=(-0.080,-0.025,0.982) KLong, 4.261 GeV, beta=(-0.033,0.053,0.991) Sigma+, 1.517 GeV, beta=(0.164,-0.084,0.593) KLong, 0.691 GeV, beta=(0.183,-0.041,0.668) in the GlueX spectrometer (0.000,0.000,65.000)cm at 0.000 ns

On Tue, Mar 5, 2019 at 4:18 PM Sean Dobbs notifications@github.com wrote:

From Eugene:

A common class for writing out HDDM thrown-level output would be very useful. This could be implemented as a standalone library.

Sean's suggestion: it would also be good to have a standalone program to do this as well from some common input format

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[rjones30]

Hello Sean,

What do you mean by "modular". Would a python module fit that description?

-Richard

On Tue, Mar 5, 2019 at 10:53 PM Sean Dobbs notifications@github.com wrote:

Richard,

That sounds like a good idea. The only requirement is that the HDDM output be modular (or at least that is what I got from the discussion at the meeting!)

---Sean

On Tue, Mar 5, 2019 at 10:41 PM Richard Jones notifications@github.com wrote:

Sean,

Would it be useful for me to write a short example program for writing an event generator?

-Richard

On Tue, Mar 5, 2019 at 5:11 PM Sean Dobbs notifications@github.com wrote:

Hi Richard,

That sounds like a great utility. For the record, Eugene's request was more specifically about writing to HDDM, for example, for people writing their own event generator.

---Sean

On Tue, Mar 5, 2019 at 5:08 PM Richard Jones <notifications@github.com

wrote:

Hello Sean and all,

I am working on the following utility that reads in any hddm file and prints out in plain text what was generated and what happened to the primaries. I have already written this program, and would like your feedback on how it works. This is a sample output from it, at present, reading from a bggen generated hddm file. The vertex is 0,0,65 because it has not yet been simulated. Further decay vertices will show up as soon as these events are simulated. They will appear under their parent particle in the listing as further indented lines. Please let me know if there are improvements you would like to see to this scheme. I was planning to release this over the weekend, but got distracted by another HDGeant4 bug.

Run 50141, event 2: Photon (8.564 GeV) Proton (0.938 GeV) -> Pi+, 1.104 GeV, beta=(-0.412,-0.035,0.902) Pi-, 6.723 GeV, beta=(0.070,0.043,0.996) Proton, 1.257 GeV, beta=(-0.011,-0.103,0.658) Pi+, 0.211 GeV, beta=(0.029,-0.544,-0.516) Pi-, 0.207 GeV, beta=(-0.052,-0.017,0.737) in the LiqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 4: Photon (8.452 GeV) Proton (0.938 GeV) -> Pi+, 1.633 GeV, beta=(-0.161,0.050,0.982) Pi-, 1.795 GeV, beta=(0.421,-0.247,0.869) Pi0, 0.236 GeV, beta=(0.075,-0.060,0.815) Eta, 3.735 GeV, beta=(-0.045,0.043,0.987) Neutron, 1.703 GeV, beta=(-0.243,-0.012,0.798) Pi+, 0.289 GeV, beta=(0.243,0.823,0.174) in the liqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 6: Photon (8.460 GeV) Proton (0.938 GeV) -> KShort, 2.929 GeV, beta=(-0.080,-0.025,0.982) KLong, 4.261 GeV, beta=(-0.033,0.053,0.991) Sigma+, 1.517 GeV, beta=(0.164,-0.084,0.593) KLong, 0.691 GeV, beta=(0.183,-0.041,0.668) in the GlueX spectrometer (0.000,0.000,65.000)cm at 0.000 ns

On Tue, Mar 5, 2019 at 4:18 PM Sean Dobbs notifications@github.com wrote:

From Eugene:

A common class for writing out HDDM thrown-level output would be very useful. This could be implemented as a standalone library.

Sean's suggestion: it would also be good to have a standalone program to do this as well from some common input format

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[sdobbs]

Well, the request was for a standard C++ class which could easily be used by, for example, an already existing event generator.

---Sean

On Tue, Mar 5, 2019 at 10:56 PM Richard Jones notifications@github.com wrote:

Hello Sean,

What do you mean by "modular". Would a python module fit that description?

-Richard

On Tue, Mar 5, 2019 at 10:53 PM Sean Dobbs notifications@github.com wrote:

Richard,

That sounds like a good idea. The only requirement is that the HDDM output be modular (or at least that is what I got from the discussion at the meeting!)

---Sean

On Tue, Mar 5, 2019 at 10:41 PM Richard Jones notifications@github.com wrote:

Sean,

Would it be useful for me to write a short example program for writing an event generator?

-Richard

On Tue, Mar 5, 2019 at 5:11 PM Sean Dobbs notifications@github.com wrote:

Hi Richard,

That sounds like a great utility. For the record, Eugene's request was more specifically about writing to HDDM, for example, for people writing their own event generator.

---Sean

On Tue, Mar 5, 2019 at 5:08 PM Richard Jones < notifications@github.com

wrote:

Hello Sean and all,

I am working on the following utility that reads in any hddm file and prints out in plain text what was generated and what happened to the primaries. I have already written this program, and would like your feedback on how it works. This is a sample output from it, at present, reading from a bggen generated hddm file. The vertex is 0,0,65 because it has not yet been simulated. Further decay vertices will show up as soon as these events are simulated. They will appear under their parent particle in the listing as further indented lines. Please let me know if there are improvements you would like to see to this scheme. I was planning to release this over the weekend, but got distracted by another HDGeant4 bug.

Run 50141, event 2: Photon (8.564 GeV) Proton (0.938 GeV) -> Pi+, 1.104 GeV, beta=(-0.412,-0.035,0.902) Pi-, 6.723 GeV, beta=(0.070,0.043,0.996) Proton, 1.257 GeV, beta=(-0.011,-0.103,0.658) Pi+, 0.211 GeV, beta=(0.029,-0.544,-0.516) Pi-, 0.207 GeV, beta=(-0.052,-0.017,0.737) in the LiqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 4: Photon (8.452 GeV) Proton (0.938 GeV) -> Pi+, 1.633 GeV, beta=(-0.161,0.050,0.982) Pi-, 1.795 GeV, beta=(0.421,-0.247,0.869) Pi0, 0.236 GeV, beta=(0.075,-0.060,0.815) Eta, 3.735 GeV, beta=(-0.045,0.043,0.987) Neutron, 1.703 GeV, beta=(-0.243,-0.012,0.798) Pi+, 0.289 GeV, beta=(0.243,0.823,0.174) in the liqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 6: Photon (8.460 GeV) Proton (0.938 GeV) -> KShort, 2.929 GeV, beta=(-0.080,-0.025,0.982) KLong, 4.261 GeV, beta=(-0.033,0.053,0.991) Sigma+, 1.517 GeV, beta=(0.164,-0.084,0.593) KLong, 0.691 GeV, beta=(0.183,-0.041,0.668) in the GlueX spectrometer (0.000,0.000,65.000)cm at 0.000 ns

On Tue, Mar 5, 2019 at 4:18 PM Sean Dobbs < notifications@github.com> wrote:

From Eugene:

A common class for writing out HDDM thrown-level output would be very useful. This could be implemented as a standalone library.

Sean's suggestion: it would also be good to have a standalone program to do this as well from some common input format

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[rjones30]

Sean and all,

If someone else (not me) would write the interface spec for this class, I will write the implementation part. Just the class definition part of the header would be sufficient, I will fill in the necessary includes.

-Richard J.

On Tue, Mar 5, 2019 at 10:59 PM Sean Dobbs notifications@github.com wrote:

Well, the request was for a standard C++ class which could easily be used by, for example, an already existing event generator.

---Sean

On Tue, Mar 5, 2019 at 10:56 PM Richard Jones notifications@github.com wrote:

Hello Sean,

What do you mean by "modular". Would a python module fit that description?

-Richard

On Tue, Mar 5, 2019 at 10:53 PM Sean Dobbs notifications@github.com wrote:

Richard,

That sounds like a good idea. The only requirement is that the HDDM output be modular (or at least that is what I got from the discussion at the meeting!)

---Sean

On Tue, Mar 5, 2019 at 10:41 PM Richard Jones < notifications@github.com> wrote:

Sean,

Would it be useful for me to write a short example program for writing an event generator?

-Richard

On Tue, Mar 5, 2019 at 5:11 PM Sean Dobbs notifications@github.com wrote:

Hi Richard,

That sounds like a great utility. For the record, Eugene's request was more specifically about writing to HDDM, for example, for people writing their own event generator.

---Sean

On Tue, Mar 5, 2019 at 5:08 PM Richard Jones < notifications@github.com

wrote:

Hello Sean and all,

I am working on the following utility that reads in any hddm file and prints out in plain text what was generated and what happened to the primaries. I have already written this program, and would like your feedback on how it works. This is a sample output from it, at present, reading from a bggen generated hddm file. The vertex is 0,0,65 because it has not yet been simulated. Further decay vertices will show up as soon as these events are simulated. They will appear under their parent particle in the listing as further indented lines. Please let me know if there are improvements you would like to see to this scheme. I was planning to release this over the weekend, but got distracted by another HDGeant4 bug.

Run 50141, event 2: Photon (8.564 GeV) Proton (0.938 GeV) -> Pi+, 1.104 GeV, beta=(-0.412,-0.035,0.902) Pi-, 6.723 GeV, beta=(0.070,0.043,0.996) Proton, 1.257 GeV, beta=(-0.011,-0.103,0.658) Pi+, 0.211 GeV, beta=(0.029,-0.544,-0.516) Pi-, 0.207 GeV, beta=(-0.052,-0.017,0.737) in the LiqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 4: Photon (8.452 GeV) Proton (0.938 GeV) -> Pi+, 1.633 GeV, beta=(-0.161,0.050,0.982) Pi-, 1.795 GeV, beta=(0.421,-0.247,0.869) Pi0, 0.236 GeV, beta=(0.075,-0.060,0.815) Eta, 3.735 GeV, beta=(-0.045,0.043,0.987) Neutron, 1.703 GeV, beta=(-0.243,-0.012,0.798) Pi+, 0.289 GeV, beta=(0.243,0.823,0.174) in the liqH target (0.000,0.000,65.000)cm at 0.000 ns Run 50141, event 6: Photon (8.460 GeV) Proton (0.938 GeV) -> KShort, 2.929 GeV, beta=(-0.080,-0.025,0.982) KLong, 4.261 GeV, beta=(-0.033,0.053,0.991) Sigma+, 1.517 GeV, beta=(0.164,-0.084,0.593) KLong, 0.691 GeV, beta=(0.183,-0.041,0.668) in the GlueX spectrometer (0.000,0.000,65.000)cm at 0.000 ns

On Tue, Mar 5, 2019 at 4:18 PM Sean Dobbs < notifications@github.com> wrote:

From Eugene:

A common class for writing out HDDM thrown-level output would be very useful. This could be implemented as a standalone library.

Sean's suggestion: it would also be good to have a standalone program to do this as well from some common input format

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[sdobbs]

Richard, OK, I will do this and get back to you.