Stereographic, Rose, and Lineament Diagrams

		Data Visualization
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Stereographic Contour and Scatter Diagrams

Aabel supports trend, dip/plunge, and azimuth variables, and includes:

Structural scatters with equal angle projection using an equatorial or polar grid. The top image below is an example of an equal angle projection using an equatorial grid
Structural scatters with equal area projection using an equatorial or polar grid.
Structural contours with equal angle projection using an equatorial or polar grid.
Structural contours with equal area projection using an equatorial or polar grid. The bottom image below is an example of an equal area projection using an equatorial grid

Ease of Use

With a few clicks of the mouse, you can:

Modify the projection, density contour intervals, or the plot variables
Generate tables for representing information regarding the projection type, number of measurements, spherical variance, and normalized eigenvalues and eigenvectors

Flexible customizing tools are available for changing different elements of the diagrams.

The data used to plot the stereographic diagrams below are from the USGS Open File Report 01-428, regarding outcrop structural data from southeastern Alaska.

Rose Diagrams (Circular Histogram)

Aabel supports trend and azimuth variables, and includes:

Full circle rose diagrams with area-proportional frequency (symmetric and asymmetric)
Full circle rose diagrams with length-proportional frequency (symmetric and asymmetric)
Half circle rose diagrams with area-proportional frequency
Half circle rose diagrams with length-proportional frequency

Selecting rose histogram bins will highlight the corresponding data on other diagrams and in the source worksheet. Free-hand selection of bins/petals will allow you to generate new worksheets from the selected bin data.

Ease of Use

With a few clicks of the mouse, you can:

Modify the plot type or the plot variables
Generate tables for representing information regarding the number of measurements, mean direction, and circular variance

Flexible customizing tools are available for changing different elements of the rose diagrams.

The data used to plot the rose diagrams below are from eastern Bangladesh (source of data: Davis, J.C., 2002).

Lineament Diagrams

Aabel supports trend and azimuth variables, and includes:

Full circle structural lineaments (symmetric)
Full circle structural lineaments (asymmetric)
Half circle structural lineaments

Ease of Use

With a few clicks of the mouse, you can:

Modify the plot type or the plot variables
Generate tables for representing information regarding the number of measurements, mean direction, and circular variance

Flexible customizing tools are available for changing different elements of the lineament diagrams.

The data used to plot the lineament diagrams below are from glacial striations measured in an area of southern Finland (source of data: Davis, J.C., 2002).