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Transcript of Download variowin.zip from Basics for using Variowin.
Download variowin.zip from
http://www-sst.unil.ch/research/variowin/#DOWNLOAD
Basics for using Variowin
Variowin 2.21Installation
unzip variowin.zip in a temp directoryrun Install.exe to get the bellow variowin 2.2 folder
Variowin 2.21Prevar2D Module
Prevar2D – A program for computing a 2D pair comparison file from a Geo-EAS data file
Variowin 2.21Prevar2D Module
Example.dat - Geostatistical Environmental Assessment Software 5 EastingNorthingArsenic ppm G16.9 stored in columns 21-30. Cadmium ppm F10.3 Also, notice the 'ROW Identifier' below. ThisLead ppm F10.3 is not counted as a variable (must use quotes) 288.0 311.0 .850 11.5 18.25 'Sample 1' 285.6 288.0 .630 8.50 30.25 'Sample 2' 273.6 269.0 1.02 7.00 20.00 'Sample 3' 280.8 249.0 1.02 10.7 19.25 'Sample 4' 273.6 231.0 1.01 11.2 151.5 'Sample 5' 276.0 206.0 1.47 11.6 37.50 'Sample 6' 285.6 182.0 .720 7.20 80.00 'Sample 7' 288.0 164.0 .300 5.70 46.00 'Sample 8' 292.8 137.0 .360 5.20 10.00 'Sample 9' 278.4 119.0 .700 7.20 13.00 'Sample 10' 360.0 315.0 .050 3.90 21.25 'Sample 11'
Opening an Input File (.dat)
Click on the Open option of the File menu of Prevar2D to get the File Open window. Chose a .dat file and Click on the OK button of this window.
Partial Contents of the Example.dat file
Variowin 2.21Prevar2D Module
Setting XY Coordinates
Click on the XY-Coordinates… of the Settings menu option. Choose X and Y coordinates and press OK button.
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Setting Limits
Click on the Limits… of the Settings menu option. Choose the Attribute name and press the Apply and then the Exit button.
Variowin 2.21Prevar2D Module
Prevar2D – A program for computing a 2D pair comparison file from a Geo-EAS data file
Running Prevar2D
Press the Run! option of the Prevar2D window menu in order to create the .pcf (Pair Comparison File) file that will be used as input for the Vario2D with pcf Module
Variowin 2.21Vario2D Module
Variowin 2.21Vario2D Module
Opening a .pcf file
In the Open option of the File menu choose a pcf file to be used for creating variograms. Press OK after the file was choosen.
Setting variogram parameters
Click on the Settings… option of the menu bar to open the Settings window. Click on the options you want to use as settings for the variograms’ creation. Click on the Apply button to end your choices.
Variowin 2.21Vario2D Module
Variowin 2.21Vario2D Module
Variowin 2.21Vario2D Module
Variowin 2.21Model Module
Variowin 2.21Model Module
Opening a .var file
In the Open option of the File menu choose a variogram file (.var) to be used for model the variograms. Press OK after the file was choosen.
Choosing the variogram
Choose one variogram of the list that appears in the Experimental variograms window. Press OK button after your choice.
Variowin 2.21Model Module
Setting model parameters
Click on the Settings… option of the menu bar to open the Settings window. Click on the options you want to use as settings for the variograms’ model. Click on the Apply button to end your choices.
Variowin 2.21Model Module
Modeling the experimental variogramModeling the Variograms
Click on the Model option of the menu bar of the Model Window
Change Parameter values to model the experimental variograms
Try to find a modeled variogram with a good fit, small Nugget, Sill next to the global Covariance and a reasonable Range
Click on Store button to store the variogram modeled parameters
Variowin 2.21Grid Display Module
Variowin 2.21
EXAMPLE WITH ELEVATION DATA
FROM CANCHIM REGION
USING RESIDUAL ELEVATIONS
Variowin 2.21Prevar2D Module
Opening an Input File (.dat)
Click on the Open option of the File menu of Prevar2D to get the File Open window. Chose a .dat file and Click on the OK button of this window.
Partial Contents of the elevfilt.dat file
Variowin 2.21Prevar2D Module
Settings
XY Coordinates,
Limits and
Run !
Variowin 2.21Vario2D Module
Opening a .pcf file
In the Open option of the File menu choose a pcf file to be used for creating variograms. Press OK after the file was choosen.
Setting variogram parameters
Click on the Settings… option of the menu bar to open the Settings window. Click on the options you want to use as settings for the variograms’ creation. Click on the Apply button to end your choices.
Variowin 2.21Vario2D Module
Displaying Variogram Surfaces
Choose Variogram Surface… of the Calculate option of the Vario2D menu. Choose a Variable Name, set other window parameters and press the OK button tho show the Variogram Surface.
Variowin 2.21Vario2D Module
Displaying Directional Variograms
Choose Directional Variogram… of the Calculate option of the Vario2D menu. Choose a Variable Name, set other window parameters and press the OK button tho show the Variogram.
Variowin 2.21Vario2D Module
Saving the Variogram File
Choose Save As… of the File option of the Vario2D menu. Type a name in the Filename: text field. Press the OK button to save the .var file in the current Directory. The saved file will have a table format and will contain the variogram and its associated values (means and variances)
Variowin 2.21Model Module
Opening a .var file
In the Open option of the File menu choose a variogram file (.var) to be used for model the variograms. Press OK after the file was choosen.
Choosing the variogram
Choose one variogram of the list that appears in the Experimental variograms window. Press OK button after your choice.
Variowin 2.21Model Module
Setting model parameters
Click on the Settings… option of the menu bar to open the Settings window. Click on the options you want to use as settings for the variograms’ model. Click on the Apply button to end your choices.
Variowin 2.21Model Module
Modeling the experimental variogram – Exponencial ModelModeling the Variograms
Click on the Model option of the menu bar of the Model Window
Change Parameter values to model the experimental variograms
Try to find a modeled variogram with a good fit, small Nugget, Sill next to the global Covariance and a reasonable Range
Click on Store button to store the variogram modeled parameters
Variowin 2.21Model Module
Modeling the experimental variogram – Spherical ModelModeling the Variograms
Click on the Model option of the menu bar of the Model Window
Change Parameter values to model the experimental variograms
Try to find a modeled variogram with a good fit, small Nugget, Sill next to the global Covariance and a reasonable Range
Click on Store button to store the variogram modeled parameters
Variowin 2.21Model Module
Modeling experimental variograms – Exponential Models – VarioWin and SPRING
Nugget Effect = 2.3, Range = 980.75, Sill = 198.83,