EVLA Data Processing PDR

EVLA Data Processing PDR

Telescope ScriptingBoyd Waters, NRAO

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 2

The Observation Scripting Toolkit

5. Observation Scripting Toolkit

GenerateObserving

Scripts

NormalizedProposal

project

$

VISIOCORPORATIO

N

PrioritizedProposal

-or-

Scriptor

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 3

Scripting Context

8. Observation Scheduling Toolkit

DynamicScheduler

Scheduler

5. Observation Scripting Toolkit

GenerateObserving

Scripts

project

$

VISIOCORPORATION

PrioritizedProposal

Scriptor

4. Proposal Management Toolkit

PrioritizeProposals

TAC

IntentionalProposal

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 4

Sidney Harris

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 5

htt

p:/

/rai.ast

ro.u

iuc.

edu/a

dass

98

/Pro

ceedin

gs/

dole

nsk

ym

/

Mark

us D

ole

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Bru

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, B

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Ken

ned

y

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 6

Scientific Requirements

Ident. Pri. Description

5.1.1 0 Describe observations with NRAO telescopes

5.1.2 1 Provide one interface for all NRAO telescopes

5.1.2 1 Text-based, human-readable, and human-editable format

5.1.3 1 Graphical user interface for novices

5.1.4 2 Expert mode for experts

5.1.5 0 Verify observing scripts for correctness

5.1.6 1 Check observing scripts for minimum standards (e.g. minimum time on source)

5.2.1 0 Allow specification of a range of criteria for scheduling

5.2.2 0 Allow specification of pipeline processing

5.2.3 0 Allow use of default or user-defined observing procedures

5.2.4 0 Allow use of default or user-defined observing setups

5.2.5 0 Allow use of default or user-defined processing procedures

5.3.1 0 Allow use of information from existing NRAO catalogs and images

5.3.2 1 Allow use of existing non-NRAO catalogs and images

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 7

Scientific Requirements II

• Text-based, human-readable, and human-editable format

• Graphical user interface for novices

• Expert mode for experts

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 8

Model-View-Controller

ExpertScripter

Text editor

Data representation

Novice Scripter GraphicalTool

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GBT Observe

• http://www.gb.nrao.edu/~rfisher/Glish/gbt_obs_intro.html

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 10

GBT Observe: Observing Table

Header sourcename ra dec velocity bandwidth procedure3C286 28:49.7 30:46:02 500 10 crossM82N 51:36.0 70:05:00 500 10 ralongmapM82 51:42.0 69:56:00 500 5 declatmapM81 51:30.0 69:18:00 400 5 ralongmapM81S 51:30.0 69:05:00 400 10 ralongmap3C286 28:49.7 30:46:02 400 10 cross

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 11

Table → Scripts → Blocks

Header sourcename ra dec velocity bandwidth procedure3C286 28:49.7 30:46:02 500 10 crossM82N 51:36.0 70:05:00 500 10 ralongmapM82 51:42.0 69:56:00 500 5 declatmapM81 51:30.0 69:18:00 400 5 ralongmapM81S 51:30.0 69:05:00 400 10 ralongmap3C286 28:49.7 30:46:02 400 10 cross

Observing BlockObserving Block

Pre

am

ble

“Post-a

mb

le”

ScriptObserving Block

Observing Block

Pre

am

ble

“Post-a

mb

le”

Observing BlockObserving Block

Pre

am

ble

“Post-a

mb

le”

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 12

Implementation Details I

IntentionalProposal

$

VISIOCORPORATION

PrioritizedProposal

project

Datarepresentation

ScriptorQueue

;

XML XMLObserving

TableGlish Script

Real-time

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 13

Implementation Details II

IntentionalProposal

$

VISIOCORPORATION

PrioritizedProposal

project

Datarepresentation

ScriptorQueue

;

XML XMLObserving

TableGlish Script

July 18 - 19, 2002 EVLA Data Processing PDR Boyd Waters 14

Conclusions

• Keep it simple, stupid!