Re: [OpenMap Users] Problem with Limit Chart Selection for Rpf Maps

Hi Lonnie,

On Thursday, March 27, 2003, at 02:09 PM, Lonnie D. Goad wrote:

> Hello All,
> I have a customer who is experiencing a problem with their CADRG
> maps. I have been unable to duplicate the problem so I am passing it
> on
> to the group here to see if anyone else has encountered a similar
> situation. The following are the steps the customer used to cause the
> problem:
>
> 1- Open RPM and select to an area that you have to adjacent scales of
> CADRG (eg 50K and 100K).
> 2- Type 50K in the scale box, thus bringing the scale to 50K.
> 3- Open the layers tool, turn on the light bulb for CADRGs, and send
> it to the top of the list. (Do NOT close the layers tool window.)
> 4- When the 50K scale maps appear in the viewer, click the palette
> button between the light bulb and the CADRG name to open the properties
> window.
> 5- Click the "limit chart selection" box - it will probably read
> "null".

I'm wondering why the box title is null if there is data on the map.

> 6- Now type 100K in the scale box - no map!

But the rest of this makes sense if there is a null in the limit chart
selection box.

What kind of 50K charts are they? Are they standard TLM-50s?

We could be handing the null pointer a little better, or checking to
see that the null doesn't get passed into begin with.

- Don

>
> ....and the stack trace
>
> *** ERROR ***
> Compressed Arc Digitized Raster Graphic (CADRG)|RpfLayer.prepare():
> Something re
> ally bad happened -
> java.lang.NullPointerException
> *************
> java.lang.NullPointerException
> at
> com.bbn.openmap.layer.rpf.RpfTocHandler.getBestCoverageEntry(Unknown
> Source)
> at
> com.bbn.openmap.layer.rpf.RpfFrameCacheHandler.getCoverage(Unknown So
> urce)
> at com.bbn.openmap.layer.rpf.RpfCacheHandler.setCache(Unknown
> Source)
> at
> com.bbn.openmap.layer.rpf.RpfCacheManager.getRectangle(Unknown Source
> )
> at com.bbn.openmap.layer.rpf.RpfLayer.prepare(Unknown Source)
> at
> com.bbn.openmap.layer.rpf.RpfLayer$RpfWorker.construct(Unknown Source
> )
> at com.bbn.openmap.util.SwingWorker$2.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
>
>
> Any and all help is greatly appreciated.
> Thanks,
>
> ************************
> Lonnie Goad - Programmer
> OptiMetrics Inc.
> 2107 Laurel Bush Rd. Suite 209
> Bel Air, Md. 21015
> LGoad@OptiMetrics.org
> http://www.OptiMetrics.org
> (410)569-6081 ext: 105
> fax: (410)569-6083
>
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>

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Don Dietrick, BBN Technologies, dietrick@bbn.com
10 Moulton Street, Cambridge, MA 02138
617-873-3031 [fax]-2794
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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