# Javascript Pages

Steven Dutch, Natural and Applied Sciences, University
of Wisconsin - Green Bay

First-time Visitors: Please visit Site Map and Disclaimer. Use
"Back" to return here.

This page is mostly a convenience to me, so I can locate and borrow code.

## Astronomy

Some Major Orbit Types

The (Almost) Venus-Earth Pentagram

Kepler's Second Law

## Structural Geology

Create a Stereonet

Create an Equal Area Net

Draw Structure Contours on a Plane, Given Strike and Dip

Find Strike and Dip of a Plane Given Structure Contours

Find Structure Contours Given Three Points

Find Strike and Dip Given Three Points

Draw Elevation Points on a Line, Given Trend and Plunge

Find the Intersection of Two Planes

Plot a Plane on a Stereonet, Given Strike and Dip

Find Strike and Dip of a Plotted Plane on a Stereonet

Plot a Line on a Stereonet Given its Trend and Plunge

Find Trend and Plunge of a Line on a Stereonet

Find the Intersection of Two Planes on a Stereonet

Find the Apparent Dip of a Plane

Plot a Pole to a Plane on a Stereonet, Given Strike and Dip

Find Strike and Dip of a Plane on a Stereonet, Given its Pole

## Mineralogy

Plane Space Groups

3-Dimensional Point Groups

## Petrology

Binary Eutectic

JavaScriptInProg/Incongruent.htm

Ternary Eutectic

## Geometry

Astroid as Envelope of Ellipses

Cardioids and Limacons

Deltoid

Ellipse as a Negative Pedal

Epicycloids

Hypocycloids

Kepler's Second Law

Morley's Triangle

Nephroids

Oblique Ellipses

Parabola as Envelope of Lines with
Constant Sum of Intercepts

Parabola as a Negative Pedal

Steiner Chains

Logarithmic Spiral Tesselations

Attractors

Return to Professor Dutch's Home Page

*Created 12 July 2014, Last Update
27 August 2014
*

Not an official UW Green Bay site