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Why do I have to use a conformal projection (transverse Mercator, Lambert conformal, one of the state plane systems, etc) for my registration data when I want to transform the image with RasTools?

April 26, 2017conformal Data lambert mercator plane projection registration State SYSTEMS transverse

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Why do I have to use a conformal projection (transverse Mercator, Lambert conformal, one of the state plane systems, etc) for my registration data when I want to transform the image with RasTools?

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Conformal projections have the property of constant scale in any direction around a point in the projection. Other projections (such as the “rectangular azimuthal” used as the default MapInfo projection) do not have this property.