Re: [OpenMap Users] Range Rings

From: Don Dietrick <dietrick_at_bbn.com>
Date: Thu, 22 Dec 2005 18:16:09 -0500

Hi Piotr,

I just checked in some changes into the beta that should help with
this problem. Have a good holiday,

- Don

On Dec 22, 2005, at 1:22 PM, Piotr Kamiński wrote:

> Hi Don,
> I've seen the same buggy behavior. It is problem that component
> tries to draw new OMRangeRings just after *any* change in palette.
> User might want to change value in TextField and ComboBox and he
> expects redrawing after modification of both values. Changing from
> 150 miles to 150 meters is rather not what I would expect. To
> prevent "strange" behavior I would rather:
> - recalculate distance while changing combo value
> - set constant number of rings (ex. 10) when user switches from
> distance units to number of rings. Another option is removing
> functionality of drawing particular number of rings at all.
>
> --
> Piotr
>
> Don Dietrick napisał(a):
>> I'd check the number of range rings being created for the
>> nautical mile distance you have set, there might be a large
>> number that are being calculated. Unfortunately, the OMRangeRing
>> isn't smart enough to figure out that the current settings might
>> be causing it to work really hard, it just goes ahead and tries
>> to do it.
>> I've seen this behavior hang an application for only less than a
>> minute, though, depending on the OS. If you increase the
>> interval number before changing to Nautical Miles, does that help?
>> - Don
>> On Dec 22, 2005, at 8:00 AM, John E. McKim wrote:
>>> There appears to be some problem with Range Rings when setting
>>> length such as Nautical Miles. The tool creates the range ring
>>> graphic fine. The problem occurs when I change the length - it
>>> freezes my application. All of the other drawing tools work
>>> properly. Has anyone had this problem?
>>>
>>> John
>>>
>>>
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Received on Fri Dec 23 2005 - 12:00:46 EST

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