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ERDAS IMAGINE Q&A

ERDAS IMAGINE, the world’s leading geospatial data authoring system, supplies tools for all your Remote Sensing and Photogrammetry needs.
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“Equal latitudes…” error when specifying vertical reference source in IMAGINE Photogrammetry.

by sbent on ‎10-21-2016 01:31 PM (340 Views)

Symptoms

When trying to specify the vertical reference source it causes the error message “Equal latitudes for st. parallels are on opposite sides of equator”.

Diagnosis

It is necessary to specify the same projection system during the block setup as the one used in the reference data (vertical or horizontal). Otherwise, IMAGINE Photogrammetry cannot orthorectify the data to the correct projection system, since the block properties do not match the reference data.

Solution

The block must be setup again since it is not possible to change the block properties afterwards.

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