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Controls the appearance of a triangle plot.
Shortcut:
Right-click within an existing triangle plot and select Triangle Plot Options.
Draw USDA Soil Classifications
If this option is checked, a triangle plot will be divided into the 12 soil texture classes defined by the US Department of Agriculture. The scaling assumes that the data’s X components (bottom scale) are sand percentage (0-100) and Y components (right side of triangle) are clay percentage. The left side of the triangle is then silt percentage, forced to 100-(X+Y). If your data is instead X=sand and Y=silt percentages, to properly use this option you would first need to perform the transform Y=100-(X+Y) using the Operate on Y command on the Edit menu.
Clockwise Orientation
Reverses the normal counterclockwise orientation of the numbers on the axes. Using this option the Y components will be mapped to the scale on the left, Z to the right.
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Related macro commands |
Page url: http://www.dplot.com/help/index.htm?helpid_scale_triangle.htm
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