Progression dialog

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Progression dialog

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This dialog allows to set different progression types for a given variable.

Availability

The Progression dialog can currently be used for the following variables:

Cross section progression, in Meridional contour

Angular positions, in Blade mean lines

Spiral cross section progression, in Spiral development areas

Visibility of the single progression types depends on the specific context of use.

Import Polyline

If the option Polyline is selected, a text file containing a user defined progression can be imported.

Text file format:

# cross section distribution

# start/end tangential,

# midsection linear

# (spline interpolation 9 points)

0.00 0.00000

0.04 0.01728

0.08 0.03830

0.12 0.06368

0.16 0.09404

0.20 0.13000

0.24 0.17164

0.28 0.21687

0.32 0.26314

0.36 0.31018

0.40 0.36000

0.44 0.41404

0.48 0.47102

0.52 0.52898

0.56 0.58596

0.60 0.64000

0.64 0.68982

0.68 0.73686

0.72 0.78313

0.76 0.82836

0.80 0.87000

0.84 0.90596

0.88 0.93632

0.92 0.96170

0.96 0.98272

1.00 1.00000

All lines starting with a "#" symbol are comments. All other lines contain the numerical values.

x and y coordinate values can be separated by "comma", "semicolon", "space" or "tabulator".

"Dot" character is required to be used as decimal separator.

Values are imported in the currently active units of the diagram axes.

The file can have any or no filename extension.

A sample file can be generated by right clicking the progression curve and selecting “Save polyline”.