# Hugin Projection tab

From PanoTools.org Wiki

# Projection Tab

This tab is for adjusting projection of the panorama; some projections have adjustable parameters which will appear when selected.

Screenshot of top half of Projection tab; click for enlarged image

# Fit

This doesn't change any input image parameters; it just readjusts the output Field of View such that all the input images are visible. If the images are all off-centre, then there will be a lot of black space.

# Field of View

This is the horizontal and vertical angle of view of the output image.

# Projection

Use the drop down list to change the output projection of the panorama. Note that for some projections, the scroll-bar sliders to change the Field of View are disabled. If you are having trouble, switch to Equirectangular Projection, adjust the field of view and switch back.

# Guides

Guides display "helping" lines in your preview to determine whether your panorama follows some basic rules with regard to the composition. Some well known guides are for example the "Rules of thirds" and the "Golden ratio" (also called "golden section").

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