instructions for data analysis software - iugonet · instructions for data analysis software: ......
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Instructions for data analysis software:- Preparation- The IUGONET project and its products for space weather study- Installation- How to Use SPEDAS, part1- How to Use SPEDAS, part2
Published by IUGONET Project Team, Sep. 2017. http://www.iugonet.org/?lang=en
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The IUGONET project and hands on seminar for its data analysis software
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Characteristics of Upper Atmosphere
1. Affected by various phenomena from the earth surface to the space2. Many physical parameters3. Various variations including solar activity are overlapped
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Ground Observations for Upper Atmosphere
JpGU 2014
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Objectives of the IUGONET
Observational data should be quality controlled and managed by the specialists
who know the observations. For users….It was not easy to reach a
necessary information, since databases are distributed in various universities and
institutes.
IUGONET provides a new research platform thatenables metadata extracted from ground-basedobservation data to be shared.In addition, IUGONET developed analysissoftware to access and analyze data in anintegrated fashion.
SolutionProblem
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Overview of the project
6
The Inter-university Upper atmosphere Global Observation NETwork (IUGONET) project aims at establishing “e-infrastructure” for researchers to effectively find, get, and analyze various kinds of upper atmospheric data spread over Japanese universities and institutes. To exchange ground-based observation data accumulated over
50 years since IGY (both digital and analogue data) To promote analyses of multi-disciplinary data, which will lead to
comprehensive studies of mechanisms of long-term variations in the upper atmosphere
Planetary Plasma and Atmospheric Research
CenterTohoku University
National Institute of Polar Research
Solar Terrestrial Environment Laboratory
Nagoya University
International Center for Space Weather Science
and EducationKyushu University
Research Institute for Sustainable Humanosphere
Kyoto University
Kwasan and HidaObservatories
Kyoto UniversityData Analysis Center for
Geomagnetism and Space Magnetism
Kyoto University
WDS for Geomagnetism
WDS for Cosmic Rays
WDS for Aurora
©2011 Google - Map data ©2011 Geocentre Consulting, ZENRIN, Europa Technologies, Mapabc, SK M&C -
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Schematics of the project
Kyoto Univ.
Astronomical Observatories
Kyoto Univ. RISH
Kyoto Univ. DACGSM
NIPR
InternationalUsers
Kyushu Univ.ICSWSE
MD
MD
MD
MD
MD
MD
MD
IUGONETInformation Center
Tohoku Univ.
PPARC
WDC for geomagnetism Space Magnetism
WDC for Cosmic Rays
WDC for AuroraChairperson
Developers
Nagoya Univ.STEL
Expand the system to other Geoscience community
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IUGONET Metadata Format/StructureIUGONET metadata format = SPASE + modifications
What’s SPASE?
metadata format developed by international consortium to comprehensively describe research resources regarding heliospheric and magnetospheric satellite observations
closely related to STP and upper atmosphere researches ( easy to use as a base format)
new metadata elements & words appendable (customizable according to our data )
widely-used in VxOs ( possible metadata exchange in the future)
(http://www.spase-group.org)
IUGONET’s modifications additional words to represent non-digital archives additional words to represent heliospheric coordinates new metadata elements to describe observation location & range
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IUGONET Metadata Database
IUGONET MDB (called IUGONET Type-A) is capable of cross-searching observational data distributed across the IUGONET institutions.
IUGONET Type-A brings a remarkable advancement in accessibility to the observational data and accelerate the interdisciplinary study.
IUGONET Type-A provides a one-stop web services such as searching data, finding interesting events, interactively plotting the data, and leading users to more detailed analysis.
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Analysis Software SPEDAS
• The IUGONET Data Analysis Software (UDAS) is the plug-in software for Space Physics Environment Data Analysis System(SPEDAS), formerly known as THEMIS Data Analysis Software suite (TDAS)
• The IUGONET data (e.g., geomagnetic data, aurora data, radar data, and so forth) and many satellite mission data (THEMIS, GOES, WIND, and ACE) can be handled.
• It is possible to use many routines to visualize and analyze time series data.
• It accesses the IUGONET data through the Internet, and then the data are automatically downloaded onto the user's computer
Relationship between UDAS, SPEDAS, and IDL
SPEDAS/TDAS
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Outline of Loading/Plotting Data Using SPEDAS
Data can be easily plotted, for example, by only three basis commands with the SPEDAS-CUI tool.
1. Set a time period2. Load *** data3. Plot the loaded data
timespan, ‘yyyy-mm-dd’iug_load_***tplot, +++
If using the GUI tool, only a few simple clicks of your mouse are required to make the same plot as that created by the above command with the CUI tool
Automatic download
Directories for the downloaded data are created automatically.
Data are loaded as tplot variables
Data Servers on the Internet
User PC
data
data
SSL, Berkeley, THEMIS, GBO
CDAWeb, OMNI, ACE, Wind, etc.
data
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Examples of SPEDAS visualizationTime series stack plot
Wavelet
Mapping
Correlation
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Contributions for Space weather studyMagnetosphereSun
THEMIS Satellite
Atmosphere& Ionosphere
Interdisciplinary study
Solar Telescope
Many missions have provided plugins for SPEDAS. IUGONET has also provided a plugin for SPEDAS, which includes many
routines for loading various ground-based observation data. SPEDAS is suitable for Space Weather study.
THEMISSatellite
THEMISGeomag.
THEMISCamera
Wind ACENASAOMNIGOES LANL
GreenlandGeomag.
MACCSGeomag.
CARISMAGeomag.
GIMAGeomag.
VAP SatelliteEFW
RBSPICE
Stereo
IUGONET, ERGSolar Telescope, Solar and planetary radio telescope, Ionosphere radar (SuperDARN, EISCAT, etc.), Atmosphere radar (MU, EAR,
etc.), Meteorological observation data, Geomag. network(WDC, MAGDAS, 210MM, Antarctica・Iceland, etc.)
USGSGeomag.
ERG
SOHO IMP-8
Satellite data
Ground-based observational data
Data supported by SPEDAS
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Summary and Future Vision
ICSU - WDSICSU - CODATA
(International Framework)
Big Data Centers
Japanese STP community
Various Geosciences Databases in Japan
Middle Class DC
IUGONET is a basis of a network datacenter
-> Functioning like a big data center efficiently
IUGONET includes three WDC members・NIPR(Aurora)・Kyoto Univ.(Geomagnetism)・STEL(Cosmic Ray) In progress
VMO VEPOVHO VITMO
ViRBOVSPOVirtual Obervatory
(US STP community)
NSSDC…
NGDC…
(Project of EU STP community)
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Event we analyze today
Geomagnetic storms followed by X-class flares and coronal mass ejections (CMEs) occurred on March 5-11, 2012.
GOES X-ray flux
X-class flare
From Space Weather Newshttp://swnews.jp/
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Introduction of IUGONET Type-A
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How to use IUGONET Type-A
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1. Access to IUGONET Type-A (http://search.iugonet.org/)
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How to use IUGONET Type-A
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1. Set Timespan“2012/03/04 to 2012/03/10”
2. Click “Search” button
Search Data
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How to use IUGONET Type-A
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Search results are listed here.1. Click Plot
Search Results
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How to use IUGONET Type-A
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Search results are displayed with QL plots
Images on the last day of the selected interval are displayed (i.e., 2012/03/10 in this case)
You can select a timeinterval from 1, 3, or 7 days for time-series data.If you select 7-days, data from 2012/03/04 to 2012/03/10 are displayed.
Scroll down
Search Results
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How to use IUGONET Type-A
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Geomagnetic Indices 1. Click Dst index provisionalSearch Results
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How to use IUGONET Type-A
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QL plot of Dst indexSet date(this is the last day of the interval)
To next dayTo previous day
You can change timespan here
Scroll down
Data Information (Metadata)
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Access Information
How to use IUGONET Type-A
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Contact Person
Acknowledgement
Scroll down
Data Information (Metadata)
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“How to plot” section shows how to plot the data by the dedicated software “IDL/SPEDAS”.
How to use IUGONET Type-A
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CUI #Basic: SPEDAS commands minimally required to plot the data
GUI:How to plot the data with SPEDAS-GUI.
CUI #Advanced:SPEDAS commands used to create QL plot in the metadata display page.
You can plot Dst index with the SPEDAS-GUI tool according to this instruction.
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How to use IUGONET Type-A
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Check the checkboxes.You can select 3 data at most.
Scroll upInteractive data plot (UDAS web)
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How to use IUGONET Type-A
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Click Create button
Interactive data plot (UDAS web)
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How to use IUGONET Type-A
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Select data that you want to plot, then click “Plot”.
Interactive data plot (UDAS web)
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Installation of SPEDAS
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Preparation of SPEDASDownload of SPEDAS GUI tool
Click the proper link for your OS.The compressed executable file will be downloaded in several seconds or minutes.
http://spedas.org/wiki/index.php?title=Downloads_and_Installation1. Access the THEMIS satellite software website
2. Scroll down to “Download” section
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Start of IDL-VM(GUI) tool
[1] Unzip the downloaded zip file.
[2] Double-click the executable file named ‘spedas’ in the directory ‘spedas_v_2/spd_gui’.
Doule-click the executable file named ‘spedas’
[3] IDL Virtual Machine window opens on your PC, so please click the ‘spd_gui’ button.Click the icon
‘spd_gui’.
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Start of IDL-VM(GUI) tool
Ready?
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How to Use SPEDASpart1
・Load data・Plot data・Save figure, data, and your work
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GUI Basic Operation
Lesson:Load Dst index
1. Click this icon
Or,Select “Load Data” from “File” dropdown menu.
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4. Chenge Instrument Typegeomagnetic_field_index
GUI Basic Operation
3. Set Date and TimeStart Time: 2012-03-04/00:00:00Stop Time: 2012-03-11/00:00:00
1. Click IUGONET Tab
2. Uncheck “Use Single Day”
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1. Choose three parameters- Dst_index- *(all)- *
GUI Basic Operation
2. Click the arrow
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Display of Data Use Policy
GUI Basic Operation
1. Click“OK”
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GUI Basic Operation
2. Click“Done”
1. Data was loaded successfully!
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Lesson:Plot data
1. Click this icon
GUI Basic Operation
Or,Select “Plot/Layout Options…” from “Graph” dropdown menu.
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1. Select data which you want to plot:wdc_mag_dst_prov
GUI Basic Operation
2. Click “Line”
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1. Selected variable name is added to this box
GUI Basic Operation
2. Click OK
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GUI Basic OperationPanelX(Y,Z)X: panel serial numberY: row index of the panelZ: column index of the panel
Lock to panel:Lock panel axes to currently selected panel.
You can move panels and change the number of panels per page.
You can add, remove, and edit panels with these buttons.
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Try: Load other three data
AE index(in IUGONET tab)Instrument: magnetometer
MAGDAS magnetometer(in IUGONET tab)Instrument: magnetometerStation: HER
GUI Basic Operation
MAGDAS magnetometer(in IUGONET tab)Instrument: magnetometerStation: ASB
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Answer
2. Select magnetic_field_index
3. Select AE_index, *(all), *
5. Data is loaded
GUI Basic Operation
1. Select IUGONET tab
4. Click arrow
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1. Select geomagnetic_field_fluxgate
4. Data is loaded
GUI Basic Operation
Answer
2. Select magdas#, asb & her, *
3. Click arrow
5. Click Done
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GUI Basic OperationLesson: Add Plot wdc_mag_ae_prov_1min
Or,Select “Plot/Layout Options…” from “Graph” dropdown menu.
1. Click this icon
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4. Data are added
2. Select wdc_mag_ae_prov_1min
1. Click Add
GUI Basic Operation
3. Click “Line”
5. Click OK
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GUI Basic Operation
1. Click black triangles
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GUI Basic OperationTry: Plot other two data
magdas_mag_her_1sec_hdz
magdas_mag_asb_1sec_hdz
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GUI Basic Operation
Answer
3. Data are added1. Select magdas_mag_her_1sec_hdz
2. Click Line
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GUI Basic Operation
Answer
3. Data are added1. Select magdas_mag_asb_1sec_hdz
2. Click Line
4. Click OK
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GUI Basic Operation
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GUI Basic OperationLesson: Save plot as figure
1. SelectFile – Export To Image File
2. Select save folder
2. Input file name and select format (by extension)
3. Click “save”
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GUI Basic Operation
Confirmation
Back to previous
Click “Save”
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GUI Basic Operation
X pixel 428, Y pixel 554
X pixel 856, Y pixel 554(65%)
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GUI Basic OperationLesson: Save data as ascii
1. SelectFile – Save Data As
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GUI Basic Operation
4. check this box
1. Select data which you want to savemagdas_mag_her_1sec_hdz_x
5. Click Save
6. Select save folder
7. Input file name (data is saved in csv format)
8. Click “save”
2. check this box
3. Select time interval
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GUI Basic Operation
An ascii data file was successfully saved!!!
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GUI Basic OperationLesson: Dump your workspace
1. SelectFile – Save SPEDAS Document
2. Select save folder
3. Input file name
4. Click “save”※ SPEDAS Document is written in XML format
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How to Use SPEDASpart2
・Restore your work・Manage axis・Process and data
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GUI Basic Operation
Lesson:Restore part1 workspace
1. Exit SPEDAS2. Run SPEDAS again3. Select File- Open SPEDAS Document4. Click “Yes”5. Select the saved tgd file.
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GUI Basic Operation
Lesson:Remove plot
1. Select Graph – Plot/Layout Options
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GUI Basic Operation
1. Select wdc_mag_ae_prov_1min_time -vs- wdc_mag_ae_prov_1min_4in the right-hand panel.
2. Click “Remove
3. Removewdc_mag_ae_prov_1min_time -vs- wdc_mag_ae_prov_1min_3wdc_mag_ae_prov_1min_time -vs- wdc_mag_ae_prov_1min_2wdc_mag_ae_prov_1min_time -vs- wdc_mag_ae_prov_1min_1in the same way
4. Click OK
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GUI Basic OperationResult
![Page 64: Instructions for data analysis software - IUGONET · Instructions for data analysis software: ... User PC data data SSL ... CDAWeb, OMNI, ACE, Wind, etc. data. Examples of SPEDAS](https://reader031.vdocuments.mx/reader031/viewer/2022021811/5ce12e8e88c99388178cf0e6/html5/thumbnails/64.jpg)
GUI Basic OperationLesson: Change X range (time scale) of the plot (1) Use these icons
Reduces X range by major tick marker
Expands X range by major tick marker
Shift left X range by major tick marker
Shift right X range by major tick marker
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GUI Basic OperationLesson: Change X range (time scale) of the plot (2)
1. Select Graph – X Axis Options
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GUI Basic Operation
2. Select Fixed Range
3. Change valuesMin 2012-03-06/00:00:00.000Max 2012-03-11/00:00:00.000
1. Select (L) Panel 1 (1, 1) -
4. Click OK
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GUI Basic Operation
3. Click "Apply to All Panels“, then click "OK“.
Lesson:Customize Ticks.
1. Select Major Ticks By Number or Interval.
2. Input the number into # (Number or Interval) of Minor Ticks
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GUI Basic Operation
68
1. Select your favorite format in the pull-down menu of Annotation Format.
2. If you want to change the character font, size, and color, select your favorite format in the pull-down menu here.
3. Click "Apply to All Panels“, then click "OK“.
Lesson: Change Annotations
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GUI Basic OperationLesson:Customize Labels (of X axis)
4. Click "OK“
Note: Never use "Apply to All Panels“
1. Select the bottom panel number (“Panel 4” )
3. Type “Universal Time ” on the Edit/Add Label
2. Check the “Show Label” box
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GUI Basic OperationResult
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GUI Basic Operation
• Page Options…Customize the text and layout of the page.
• Panel Options…Customize the title and color of each panel.
• Line Options…Customize the line and symbol of each plot panel.
• Legend Options…Customize the legend which appears when you put the mouse cursor on the plot.
• Variable Options…Display the values of the selected parameters under the time label.
Other options.
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GUI Basic OperationLesson: Reset X range (time scale)
1. Select X Axis Options
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GUI Basic Operation
2. Select Auto Range
3. Click “OK”
1. Select (L) Panel 1(1, 1) -
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GUI Basic OperationLesson: Processing- subtract average
1. Select Analysis – Data Processing
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GUI Basic Operation
2. Click right arrow
3. Active Data are added
1. Select data you want to processmagdas_mag_asb_1sec_hdzmagdas_mag_her_1sec_hdz
4. Click Subtract Average
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GUI Basic Operation
1. Click Done
New variables are created.magdas_mag_asb_1sec_hdz-dmagdas_mag_her_1sec_hdz-d
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GUI Basic OperationOpen “Plot/Layout Options”
2. Select magdas_mag_her_1sec_hdz-d
3. Click line
4. Data are added
6. Click OK
5. Then, add the other variable,magdas_mag_asb_1sec_hdz-dto panel in the same way.
1. Remove Panel 3 and 4
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GUI Basic Operation
Subtracted average!
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GUI Basic OperationTry: Plot Power Spectrum ofmagdas_mag_her_1sec_hdz_x
1. Select Analysis – Data Processing
Hint1: Use “Data Processing” for calculating (if you will get an option dialog, use default value)
Hint2: Use “Spec” for plotting
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GUI Basic Operation
2. Active Data is removed
1. Click Clear Active
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GUI Basic Operation
2. Click right arrow
3. Active Data are added
4. Click Power Spectrum
5. Click OK
1. Select datamagdas_mag_her_1sec_hdz
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GUI Basic Operation
1. New variables are created!
2. Click Done
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GUI Basic Operation
1. Select magdas_mag_her_1sec_hdz_x_dpwrspc
2. Click Spec
3. Data are added
4. Click OK
Open “Plot/Layout Options”
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GUI Basic Operation
This color bar can be customized in Graph - Z Axis Options.
Result
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GUI Basic OperationLesson:
Use Calculate (Equation editor)
1. Select Analysis – Calculate…
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GUI Basic Operation
Equation Editor for SPEDASVariable=Your loaded data
Built-in function
Built-in Operator
Built-in Constant
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GUI Basic OperationLesson:Make an equation using the loaded variables.
1. Type variable/function/Operator/Constant directly
Note:Enclose the variable in double quotation marks
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GUI Basic OperationLesson:Make an equation using the loaded variables.
3. Variable is added
2. Click arrow
Then, try to add the offset (+200) tomagdas_mag_her_1sec_hdz-d_x
1. Select magdas_mag_her_1sec_hdz-d_x
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GUI Basic Operation
1. Click Run
2. A new variable is created
3. Click done
Answer Note: one line, never return
"magdas_mag_her_1sec_hdz-d_x_ofst" = "magdas_mag_her_1sec_hdz-d_x" + 200
![Page 90: Instructions for data analysis software - IUGONET · Instructions for data analysis software: ... User PC data data SSL ... CDAWeb, OMNI, ACE, Wind, etc. data. Examples of SPEDAS](https://reader031.vdocuments.mx/reader031/viewer/2022021811/5ce12e8e88c99388178cf0e6/html5/thumbnails/90.jpg)
GUI Basic Operation
3. Click Line
4. Data are added
Open “Plot/Layout Options”
1. Select Panel 3 and Remove it
2. Select magdas_mag_her_1sec_hdz-d_ymagdas_mag_her_1sec_hdz-d_x_ofst
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GUI Basic Operation
2. Panel 6 is changed to (3, 1)
Open “Plot/Layout Options”
1. Change the value of Row to 3
3. Click OK
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GUI Basic OperationResult
Offset (+200nT) was added to the H comp.
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GUI Basic OperationTry: Expand the plot using the mouse.
A new page opens
By left-click and drag the mouse
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GUI Basic Operation
Lesson:Load data from CDAWeb.
1. Select File – Load Data using CDAWeb
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GUI Basic Operation
4. Data are listed
Open “CDAWeb Data Chooser”
1. Select MissionOMNI(Combined …)
2. Select Instrument TypeMagnetic fields (space)....
3. Click ”Find Datasets”
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GUI Basic Operation
2. Set Date & Time
3. Click “Get CDAWeb Data”
1. Selected data that you want to load
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GUI Basic OperationOpen some pop-up windows to confirm the data
1. Click “OK”
3. Finally, click “Close” in the “CDAWeb Data Chooser” window
2. Click “OK”
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GUI Basic Operation
1. Select the listed all data in term
2. Click Line
3. Data are added
4. Click OK
Open “Plot/Layout Options”
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GUI Basic OperationResult
All solar wind parameters are plotted.
![Page 100: Instructions for data analysis software - IUGONET · Instructions for data analysis software: ... User PC data data SSL ... CDAWeb, OMNI, ACE, Wind, etc. data. Examples of SPEDAS](https://reader031.vdocuments.mx/reader031/viewer/2022021811/5ce12e8e88c99388178cf0e6/html5/thumbnails/100.jpg)
For advance…
UDAS website:http://www.iugonet.org/product/analysis.jsp
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Acknowledgment
http://www.iugonet.org/
SPEDAS is a grass-roots data analysis software for the Space Physics community, which was developed by scientists and programmers of the UC Berkeley's Space Sciences Laboratory,UCLA's IGPP and other contributors