Don, Is there anyway to make the label always visible? It looks like it
displays when I mouse over the OMGraphic (i.e. highlight())
-Roy Newton
Don Dietrick wrote:
> Actually, OMGraphics were modified (in 4.6.1 I think) to have
> setAttribute(key, object) and getAttribute(key), so you can associate
> as many objects as you want with an OMGraphic.
>
> The setAppObject(...) is still there and still works, the
> setAttribute(...) calls work with it, which is why it may have gone
> unnoticed.
>
> In OpenMap 4.6.2, labeling has been added to OMGraphics, too, if you
> use set an OMLabeler object on an OMGraphic using the OMGraphic.LABEL
> key.
>
> - Don
>
> On Mar 24, 2005, at 4:33 PM, Andrew Hnatiw wrote:
>
>>
>> Each OMGraphic has a "setAppObject()" method that allows you to
>> associate an object with that graphic. I think that at some point
>> Don recommended using this to associate labels to an object. I do
>> this by setting the application object for a graphic to be a label
>> and for the label to be the graphic it is associated with. Then, I
>> overrode the generate() method of the label (your alert) to draw the
>> label based on where the application object associated to it is. I
>> think this could solve your problem. Only catch is that you can only
>> have one application object associated with each OMGraphic... of
>> course you could make that object an OMGraphicList to associate more
>> than one graphic.
>>
>> hth,
>> Andy
>>
>> Andrew Hnatiw, Software Engineer
>> RAYTHEON
>> 7700 Arlington Blvd
>> Falls Church, VA 22042
>>
>>
>>
>>
>>
>> "Chris Allport" <chris.allport_at_red-inc.us>
>> Sent by: owner-openmap-users_at_bbn.com
>>
>> 03/24/2005 11:22 AM
>>
>> Please respond to
>> <chris.allport_at_red-inc.us>
>>
>>
>>
>> To
>> "OpenMap Users" <openmap-users_at_bbn.com>
>>
>> cc
>>
>> Subject
>> [OpenMap Users] Connecting Graphics
>>
>>
>>
>>
>>
>>
>>
>> My application has objects moving around on a map. Once in a while,
>> alerts
>> will come in for an object and this alert should be displayed at some
>> position offset from the object. When the object moves, the alert's
>> position should be updated (relative to the object).
>>
>> Does OpenMap currently have any support for this type of
>> functionality? If
>> not, I shall attempt to contribute this capability if you think it
>> might be
>> welcome.
>>
>> Thanks in advance-
>>
>> Chris
>>
>> --
>> Chris Allport
>> Unmanned Systems Research & Development Lab
>> Patuxent River Naval Air Station
>> Phone: (301) 904-5943
>>
>>
>> --
>> [To unsubscribe to this list send an email to "majdart_at_bbn.com"
>> with the following text in the BODY of the message "unsubscribe
>> openmap-users"]
>>
>>
>
>
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Don Dietrick, dietrick_at_bbn.com
> BBN Technologies, Cambridge, MA
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>
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Received on Fri Mar 25 2005 - 08:52:19 EST