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Subject: Re: [emergency] CAP Visualization (was RE: CAP Developers' Forum...)
Kwasi, Sounds like a nice application - I'm curious as to which CAP fields you use to filter messages of interest. For example, did you get anywhere trying to filter on the <event>, or did you fall back on a set of system-specific <eventCode> values? TIA, -jeff On Wednesday, May 19, 2004, at 03:47 PM, Speede, Kwasi wrote: > Kon, > > We are implementing simple GIS capabilities here at Anteon. In > particular, > we use Oracle Spatial on the backend to produce map views for the area > impacted by the broadcast incident. Oracle Spatial will convert the > polygon > or circle Lat/Long data into a map. I am not sure how sophisticated > your > application scenario is, ours is relatively straightforward. We use > Oracle > to convert the Lat/Longs into clickable maps and State/County codes. > Our > application code then generates census data reports that present > demographics about the affected geographic region and estimate the > potential > impacts to people and structures. > > We've built a CAP broker in Oracle OC4J 10G. The broker parses the CAP > broadcasts to identify messages relevant to our customer (FEMA) > business > processes. We store the message in Oracle XML DB with a Receiver Method > (JMS/Message Driven Bean) and populate our incident software with > relevant > data from the message content. The J2EE enterprise application > executes the > Oracle Mapviewer component to generate the map display from the Oracle > Spatial db. When the broker identifies an appropriate message, > notification > methods are executed that deliver email, mobile phone and PDA messages > to > subscribers. Subscribers can then access their various applications to > view > the incident event data. > > Kwasi > > -----Original Message----- > From: Jeff Kyser [mailto:ktrails@comcast.net] > Sent: Wednesday, May 19, 2004 4:32 PM > To: emergency@lists.oasis-open.org > Subject: Re: [emergency] CAP Visualization (was RE: CAP Developers' > Forum...) > > Warning Systems also displayed polygons representing > the plumes from chemical disasters - the messages were > generated by other CAP providers. > > We adapted some code we had used to display storm > cells in a previous application, and displayed the plumes > instead. > > We used the Pepperwhite mapping software in a VB > environment. Well, actually, the map application was VB, > and the CAP parser / plume broadcaster was Java. > > -jeff kyser > > On Wednesday, May 19, 2004, at 03:28 PM, Art Botterell wrote: > >> Kon - >> >> The idea of visualizing aggregate CAP traffic is an interesting one. >> The <references> and <incidents> fields provide a mechanism for >> associating multiple messages in a graph... provided that the >> originator provides them, or that some reliable mechanism can be >> devised for inferring such relationships after the fact. As is so >> often the case, the holdup appears to be at the input. >> >> (Of course, relationships could be built on the basis of sender, event >> category or whatever, but it seems like in most cases the result would >> be a simple set that might not be very interesting visually, except >> perhaps when displayed geographically.) >> >> As for mapping, I've done a couple of demos plotting CAP location data >> over a map... I used an open-source platform called OpenMap that reads >> various formats including ESRI shape files, but a commercial GIS would >> work as well if not better. The ComCARE team (in particular, a >> company called GeoDecisions out of Pennsylvania) has also done CAP >> plots in a web mapping service. >> >> The CAP <polygon> tag, in particular, is derived from GML, so >> GML-aware platforms should be able to use it pretty directly... >> although extracting the points and constructing a new shape is pretty >> easy. <geocode> values require the use of polygon lookup tables... >> easy in the case of well-known areas like ZIP codes or county (FIPS) >> boundaries... less so in the case of system-specific zones that may >> not be familiar to all recipients. >> >> - Art >> >> >> At 11:17 AM -0700 5/19/04, Kon Wilms wrote: >>> A few questions for other implementers: >>> >>> 1. Is anyone else working on data visualization of mass amounts of >>> CAP >>> alerts (such as treemaps, hyperbolic graphs, spatial trees, or such)? >>> >>> 2. I would be interested to hear from the GIS folks as to what >>> formats >>> they are using for vector data importing/plotting. If no-one is >>> implementing GIS as part of an application, are there any guidelines >>> for >>> supporting GIS file formats in CAP reception/parsing (or do we need >>> some)? >>> >>> Cheers >>> Kon >>> >> >> >> To unsubscribe from this mailing list (and be removed from the roster >> of the OASIS TC), go to >> http://www.oasis-open.org/apps/org/workgroup/emergency/members/ >> leave_workgroup.php. >> > > > To unsubscribe from this mailing list (and be removed from the roster > of the > OASIS TC), go to > http://www.oasis-open.org/apps/org/workgroup/emergency/members/ > leave_workgro > up.php. > > To unsubscribe from this mailing list (and be removed from the roster > of the OASIS TC), go to > http://www.oasis-open.org/apps/org/workgroup/emergency/members/ > leave_workgroup.php. >
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