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Global Imaging Systems GIS: Which of the following is not correct...?

jaqquesrudolf
jaqquesrudolf Global Mapper User
edited July 2010 in Raster Data
GIS (Global Imaging Systems) Which of the following is not correct?
I'm just struggling a bit on a question and was wondering if you could help.

Which of the following is NOT correct?
1. raster data uses cells to record information about geographical features
2. shortest path analysis can only be carried out using the raster data model
3. raster layers always contain numeric values

Thanks

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