Re: [OpenMap Users] ETOPOLayer

From: Don Dietrick <>
Date: Tue, 24 Aug 2004 13:49:58 -0400

Hi Phil,

On Aug 23, 2004, at 2:02 PM, Philip Oliver-Paull wrote:

> The ETOPOLayer is acting a little weird, I think.
> First off, the application that I'm working on doesn't need very
> high-resolution maps and we wanted to save space by only including one
> of the ETOPO files, so we chose ETOPO15. However, ETOPO15 didn't seem
> to work with the "minute.spacing" property set to 15. For that
> matter, ETOPO10 doesn't work when it is set to 10, and 5 just causes
> an OutOfMemoryError. The only winning combination I've found so far
> is to set "minute.spacing" to 15 and use the ETOPO10 file. This seems
> a little odd. Am I doing anything wrong?

I don't think so, I think the spacing is specific for each file type,
and you have to know what that is. I don't think that's something that
can be changed for each ETOPO level. I could be wrong, though.

> Secondly, the ETOPOLayer doesn't line up with the shapefile we're
> using (dcwpo-browse). This is most noticable with the Florida
> panhandle. The ETOPOLayer seems to be shifted about 20 minutes west.
> We have seismogram stations on the coast of South Carolina that are
> under water according to the ETOPOLayer.
> Here is a screenshot:
> Is there any way to shift this layer over so that it lines up properly?

That shift is a data problem with the shape file source. You probably
want to use a different shape file:

- Don

Don Dietrick,
BBN Technologies, Cambridge, MA

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Received on Tue Aug 24 2004 - 13:50:23 EDT

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