Re: [OpenMap Users] DTED Data won't display on layer

From: Don Dietrick <dietrick_at_bbn.com>
Date: Thu, 29 May 2008 12:02:28 -0400

Oh, and the path should be set to the DTED directory, the one that is
the parent of the E114 directory.

- Don

Kennedy Roberts wrote:

> Subject:
> Re: [OpenMap Users] DTED Data won't display on layer
> From:
> "Kennedy Roberts" <kroberts_at_syrres.com>
> Date:
> Thu, 29 May 2008 11:34:57 -0400
> To:
> "Don Dietrick" <dietrick_at_bbn.com>
>
> To:
> "Don Dietrick" <dietrick_at_bbn.com>
> CC:
> <openmap-users_at_bbn.com>
>
>
> Don,
>
> I have zoomed in to make sure that wasn't the problem. I know that I
> am zoomed in far enough because once I reach the threshold the error
> messages stop getting spewed to the log with every call to
> projectionChanged( ). There must be something else I am not doing
> correctly.
>
> Thanks,
>
> Kennedy
>
>
> ----- Original Message ----- From: "Don Dietrick" <dietrick_at_bbn.com>
> To: "Davidian" <kroberts_at_syrres.com>
> Cc: <openmap-users_at_bbn.com>
> Sent: Thursday, May 29, 2008 11:23 AM
> Subject: Re: [OpenMap Users] DTED Data won't display on layer
>
>
>> Hi Kennedy,
>>
>> You need to zoom in. The layer doesn't do anything if you are zoomed
>> out past 1:20M in order to prevent itself from doing too much work.
>>
>> - Don
>>
>> Davidian wrote:
>>> Hello again,
>>>
>>> I am creating a DTEDLayer and for some reason the data is not showing
>>> up on
>>> the layer. The layer is getting created and added to the map ok, but
>>> I see
>>> the following error in the log:
>>>
>>> DTEDLayer: scale (1:1.16705688E8) is smaller than minimum (1:2.0E7)
>>> allowed.
>>>
>>> I have a feeling this might be a generic "catch all" error because
>>> when I
>>> point to a directory that has nothing in it, I get the same error.
>>>
>>> Anyway, here is the code snippet where I create the layer.
>>>
>>> ----------------------------------------------------
>>>
>>> String[] paths = new String[1]; paths[0] =
>>> "C:\\Imagery\\DTED\\DTED\\E114\\";
>>> DTEDLayer layer = new DTEDLayer(paths);
>>> layer.setName("DTED Data"); mMapHandler.add(layer);
>>>
>>> ----------------------------------------------------
>>>
>>> Note: When I look at a specific file in the E114 directory (ex:
>>> N30.DT1)
>>> using the DTEDFrame class, it works correctly. I can actually see
>>> the data
>>> for that frame that I would expect to show up on the map.
>>>
>>> Any ideas?
>>>
>>> Thanks,
>>>
>>> Kennedy
>>>
>

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Received on Thu May 29 2008 - 12:04:07 EDT

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