Sunlines Example

Rendering interactive 3D…….

This is a rendering is of an actual sun sight. Think of it as a visual dictionary of celestial navigation terms. The image is generated from spherical trigonometry. Rotate it and use the checkboxes to manipulate it as desired. Download a PNG file of the current image with the Snapshot button. Refreshing the browser is sometimes helpful to recenter the page in the browser window. Browser refresh and orientation changes regenerates the image to the initial view.

PC: Rotate: use buttons or hold down right mouse button and drag. Zoom: use buttons or a mouse scroll wheel. Scroll footer: use right scroll bar. Best viewing on a PC.

Mobile: Rotate: use buttons or touch and drag image. Zoom: use butons or two-finger spread/pinch. Scroll footer: drag footer up and down. Scroll page: drag page margin up and down.