according to the blog:
If I have to generate a map 1:25000 how much should be the size of the grid?
How to calculate the value of 4000?
With the 30-meter DEM I can generate a 1:25,000 scale map?
Mapping Center Answer:
I am attaching a table that is still in progress -- once it is complete, we will write a blog entry about it. You will see that for a map at a scale of 1:24,000, your best bet is to use 10m DEM data rather than 30m data.
I am not quite sure what you mean about calculating a value of 4,000 -- perhaps if you sent us some additional informaton, we could help you with this.
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