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Odd Behavior as Mapsource Builds Mapset


Didjerrydo

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At least on my computer, as Map Source builds a very large mapset (3848 maps) for loading into a 4 GB SDHC card, the shown time to load actually gets longer as the percentage complete slowly increases. I am loading this to the card in a card reader, not thru the Colorado itself by the way. This is a combination of City Nav NT plus Topo 2008 maps. Does anyone have an answer for this strange situation? 'Wonder which one is right?

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At least on my computer, as Map Source builds a very large mapset (3848 maps) for loading into a 4 GB SDHC card, the shown time to load actually gets longer as the percentage complete slowly increases. I am loading this to the card in a card reader, not thru the Colorado itself by the way. This is a combination of City Nav NT plus Topo 2008 maps. Does anyone have an answer for this strange situation? 'Wonder which one is right?

 

The time it takes mapsource to build a mapset is dependent on the number of map segments selected, and it's not liner (ie. to build a map of 1000 segments takes a lot more than twice the time to build a map with 500, and 2000 takes more than twice the time of 1000, etc.). The algorithm that mapsource uses to estimate the time needed isn't accurate and way off the mark for mapsets with lots of segments. The percentage complete is accurate.

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