Suppose you want to incorporate a newly acquired satellite image into an existing GIS project. Briefly explain why that image must first undergo the process of geometric transformation.

In topological editing, briefly describe the purpose of ranking the feature classes.

Which resampling method usually results in the smoothest output?

An affine transformation of a unreferenced satellite image requires a minimum of ________ control points:

Briefly explain what cluster tolerance is.

For precise GPS positioning with correction of timing errors, a GPS receiver must receive the radio signals simultaneously from how many GPS satellites?

If an unreferenced image underwent differential scaling (but no other change) during geometric transformation, what has changed in the georeferenced image?

Briefly explain what residuals are, with regard to control points and georeferencing.

Briefly explain what differential GPS is and how it differs from regular GPS.

A clearinghouse is ________, whereas a geoportal is ________.