TSG Features - Scatter Screen
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the Log screen, the Scatter Screen
forms the heart of TSG's data analysis
capabilities. The Scatter Plot screen allows the user to assign any scalar values to
X or Y axes and a third scalar to the colour scale (Z) in up to 16
simultaneously displayed graphs. Graph windows can also display frequency
histograms for any selected scalar.
As many TSG datasets are composed of a
variety of data types including spectral data, geochemistry and coordinate data,
the Scatter Plot screen is designed to allow you to display and analyse all of
these data types as an integrated data set. In addition, each plot window in the
Scatter screen is linked so that the selected data point/sample/spectrum in one
screen is highlighted in all the other screens currently on display.
By assigning coordinate data to X and Y axes
the Scatter Plot screen can be used to display sample spatial distribution in
plan or section. This allows the spatial distribution of geochemistry and
alteration mineralogy to be simultaneously investigated. This functionality
combined with the Floater window also allows the simultaneous analysis of hundreds or
even thousands of spectra while at the same time allowing you to keep track of
individual sample spectral or mineralogical characteristics. Similarly,
using RL and Easting or Northing data for down hole samples can allow
you to plot a section of holes in the Scatter screen with their data
points coloured by a given scalar in your TSG file.
There are a number of advanced analysis tools
available in the Scatter Plot screen such as the lasso option, which
allows you to select a cluster of data points and view where these samples occur
in all other displayed plots. Plots can also be filtered using the
Scope option, to display only those samples from a given class (such as a given
lithology, mineral assemblage or section).
In the Scatter Plot screen shown
in the figure, four plot windows have been set up. The top two plot windows are being used to display
coordinate data with the data points coloured to show various
geochemical and spectral data. The plot window at bottom left is being
used to display a histogram while the window a bottom right is being
used in scatter plot mode to investigate correlations between certain
geochemical and spectral parameters.