the durango-la plata county e911 cad...

The DurangoThe Durango--La Plata La Plata County e911 CAD County e911 CAD

GeobaseGeobaseAn comprehensive approach to An comprehensive approach to leveraging multiple GIS data leveraging multiple GIS data layers for 911 dispatch and layers for 911 dispatch and

mappingmapping

The DurangoThe Durango--La Plata County La Plata County e911 CAD Geobasee911 CAD Geobase

BackgroundBackground

The DurangoThe Durango--La Plata County Emergency La Plata County Emergency Communication Center (Communication Center (DLPECCDLPECC) built a ) built a comprehensive Geographic Information comprehensive Geographic Information System (GIS) framework for dispatch and System (GIS) framework for dispatch and emergency response that utilizes a series of emergency response that utilizes a series of cascading geocode searches through cascading geocode searches through stacked map layers for address validation.stacked map layers for address validation.


The regional public safety GIS framework The regional public safety GIS framework was developed in an attempt to quickly was developed in an attempt to quickly and efficiently leverage the best available and efficiently leverage the best available normalizednormalized,, standardizedstandardized,, rulerule--basedbased,, certifiablecertifiable and and detaileddetailed digital spatial data digital spatial data to the 911 Communication Center for to the 911 Communication Center for rapid dispatch to first responders and rapid dispatch to first responders and other emergency personnel. other emergency personnel.


The DLPECC computerThe DLPECC computer--aided dispatch aided dispatch (CAD) geographic network of addresses (CAD) geographic network of addresses and streets is built on the and streets is built on the SpillmanSpillman vv--6.1 6.1 Sentryx GeobaseSentryx Geobase module and a published module and a published ArcGIS Server v 9.3.1 ArcGIS Server v 9.3.1 map document map document running a composite address geolocator running a composite address geolocator map service.map service.


““GeobaseGeobase”” is a proprietary term used by is a proprietary term used by Spillman Technologies to reference the Spillman Technologies to reference the bundled software and data set used to bundled software and data set used to geocode and validate addresses.geocode and validate addresses.

NotNot strictly a strictly a ““geodatabasegeodatabase””. .

DLPECC uses a hybrid of geodatabase DLPECC uses a hybrid of geodatabase feature classes and shapefiles in its feature classes and shapefiles in its Geobase architecture.Geobase architecture.


The foundation of SpillmanThe foundation of Spillman’’s CAD Sentryx s CAD Sentryx Geobase is the core address locator map Geobase is the core address locator map services in ARCGIS but with public safety services in ARCGIS but with public safety enhancements administered through the enhancements administered through the Spillman Spillman Software.Software.


The Geobase design represents a logical The Geobase design represents a logical assemblage of GIS data themes that are assemblage of GIS data themes that are critical to location identification in realcritical to location identification in real-- time 911 emergency dispatch.time 911 emergency dispatch.

They are the They are the bedrockbedrock GIS layers needed GIS layers needed for: for:

•• Rapid and thorough address validationRapid and thorough address validation•• Call mapping and incident reportingCall mapping and incident reporting•• Vehicle routingVehicle routing


DLPECCDLPECC’’s Geobase consists of an ordered s Geobase consists of an ordered array of point and line map themes array of point and line map themes composited into a multicomposited into a multi--level address level address locator for locator for nearnear--instantaneous address instantaneous address verificationverification, , crosscross--reference CAD mappingreference CAD mapping andand dispatchdispatch..


When the Spillman address utility is run in When the Spillman address utility is run in CAD to verify a location, the software uses CAD to verify a location, the software uses the the composite geocode service composite geocode service stored in stored in the ArcGIS server to find and display an the ArcGIS server to find and display an exact match address or supply a filtered exact match address or supply a filtered list of all qualifying address candidates.list of all qualifying address candidates.


The composite geolocator The composite geolocator acts like a single address acts like a single address locator as it locator as it cascadescascades downward through a logical downward through a logical series of stacked GIS series of stacked GIS themes looking for all themes looking for all potential address matches.potential address matches.


Upon selection of a matched address, the Upon selection of a matched address, the dispatcher autodispatcher auto--populates the 911 call populates the 911 call window with the validated address and all window with the validated address and all corresponding corresponding agency codesagency codes, , city codescity codes, , zip codeszip codes, , crosscross--streetsstreets, , aliasesaliases, , alertsalerts, , and and location narrativeslocation narratives related to the related to the selection. selection.


The efficiency and completeness of the The efficiency and completeness of the returned streets and addresses are a returned streets and addresses are a function of the ordered layers used in the function of the ordered layers used in the Spillman geobase design.Spillman geobase design.


•• Locators are individually created in ArcCatalogLocators are individually created in ArcCatalog•• Published as a composite on the ArcGIS serverPublished as a composite on the ArcGIS server•• Integrated into the Spillman Sentryx Geobase.Integrated into the Spillman Sentryx Geobase.


The DLPECC Sentryx CAD design currently The DLPECC Sentryx CAD design currently uses uses eighteight foundational geobase elementsfoundational geobase elements that are individually and sequentially that are individually and sequentially queried through the cascading geocode queried through the cascading geocode process.process.


Spillman v6.1 Sentryx Geobase software Spillman v6.1 Sentryx Geobase software provides the screens that facilitate easy provides the screens that facilitate easy lookup of these address and intersection lookup of these address and intersection parameters.parameters.

Any foundational element can be searched Any foundational element can be searched individually based on its own unique individually based on its own unique address locator style.address locator style.


11stst Foundational Geobase Element Foundational Geobase Element Common Place Point (Alias)Common Place Point (Alias)

1st Foundational Geobase Element1st Foundational Geobase Element Common PlaceCommon Place

Common place point feature class locator Common place point feature class locator is a is a single field w/alternate namessingle field w/alternate names custom custom style built using a Spillman Toolbar.style built using a Spillman Toolbar.•• A place name alias or common reference to a A place name alias or common reference to a

known addressknown address (e.g., County Courthouse = (e.g., County Courthouse = 1060 E 2nd Av)1060 E 2nd Av)

Alternate Common Names (e.g., LPC Courthouse, La Alternate Common Names (e.g., LPC Courthouse, La Plata County Courthouse)Plata County Courthouse)

Category Code (i.e., GOVT)Category Code (i.e., GOVT)

Class (i.e., Government)Class (i.e., Government)

Acronym (i.e., LPC)Acronym (i.e., LPC)


IDID CATCAT CLASSCLASS

11 AGAG FARM/RANCHESFARM/RANCHES

22 APTAPT APARTMENTAPARTMENT

33 ARTART ART GALLERYART GALLERY

44 BANKBANK BANKINGBANKING

55 BARBAR BARSBARS

66 BLDGBLDG BUILDINGSBUILDINGS

77 BODYBODY TATTOOINGTATTOOING

88 CAMPCAMP CAMPGROUNDCAMPGROUND

99 CHRCCHRC CHURCHESCHURCHES

1010 CLEANCLEAN LAUNDROMATLAUNDROMAT

1111 CONDCOND CONDOCONDO

1212 EMRGEMRG EMERGENCYEMERGENCY

1313 FITFIT FITNESSFITNESS

1414 FLCFLC FORT LEWIS COLLEGEFORT LEWIS COLLEGE

1515 GASGAS GAS STATIONGAS STATION

1616 GOLFGOLF CLUB HOUSESCLUB HOUSES

1717 GOVTGOVT GOVERNMENTGOVERNMENT

1818 HAZHAZ HAZARDOUSHAZARDOUS

1919 HIGHHIGH HIGH RISKHIGH RISK

2020 HORSEHORSE EQUESTRIANEQUESTRIAN

2121 INVSINVS FINANCIALFINANCIAL

2222 LOANLOAN LOANSLOANS

2323 LODGLODG LODGINGLODGING

2424 LMRKLMRK LANDMARKLANDMARK

2525 MEDMED MEDICALMEDICAL

2626 MERCMERC MERCHANTSMERCHANTS

2727 MHPMHP MOBILE HOME PARKMOBILE HOME PARK

2828 MRKTMRKT MARKETMARKET

2929 OPENOPEN OPEN SPACEOPEN SPACE

3030 PARKPARK PARKSPARKS

3131 PAWNPAWN PAWN SHOPSPAWN SHOPS

3232 RESTREST RESTAURANTSRESTAURANTS

3333 SCHLSCHL SCHOOLSSCHOOLS

3434 SERVSERV AUTO SERVICEAUTO SERVICE

3535 SHIPSHIP FREIGHTFREIGHT

3636 SKISKI SKI RESORTSKI RESORT

3737 SPASPA SALONSALON

3838 THTH TRAILSTRAILS

3939 THTRTHTR THEATERTHEATER

4040 TIRETIRE TIRE SHOPTIRE SHOP

4141 TOWNTOWN TOWNHOUSETOWNHOUSE

4242 WHSEWHSE WAREHOUSEWAREHOUSE

4343 VICEVICE LIQUOR STORELIQUOR STORE


22ndnd Foundational Geobase Element Foundational Geobase Element Address PointAddress Point

2nd Foundational Geobase Element2nd Foundational Geobase Element Address PointAddress Point

The single address point positioned over a The single address point positioned over a building rooftop or lot envelope provides building rooftop or lot envelope provides the highest positional accuracy of any the highest positional accuracy of any element in the cascade.element in the cascade.

Built on an ESRI Built on an ESRI US One AddressUS One Address locator locator style, it is the 2nd element queried in the style, it is the 2nd element queried in the Sentryx geocode process and is closely Sentryx geocode process and is closely associated with the common place point associated with the common place point layers that serves as its alias.layers that serves as its alias.


Upon address validated, all previous calls associated with, and all aliases tied to, a given address are auto entered into the address information window.


In addition, all nearby addresses within a 50 yard radius, hazard alerts, contact names, and premise alerts are brought into the information window where viable.


3rd 3rd Foundational Geobase Element Foundational Geobase Element Intersection PointIntersection Point

3rd Foundational Geobase Element3rd Foundational Geobase Element Intersection PointIntersection Point

The Intersection Point Feature Class is The Intersection Point Feature Class is built via the Spillman custom toolbar to built via the Spillman custom toolbar to geocode as a geocode as a single field w/alternate single field w/alternate namesnames..

A intersection point is created at each A intersection point is created at each junction or node where a street name, junction or node where a street name, type or directional changes.type or directional changes.


The The alternate intersection names table alternate intersection names table is is selfself--generated and joined to the source by generated and joined to the source by a numeric ID. Alternates include:a numeric ID. Alternates include:•• Full intersection names in a reverse order.Full intersection names in a reverse order.•• Alternate full intersection street names.Alternate full intersection street names.•• All combinations of partial street names and All combinations of partial street names and

street types in forward and/or reverse order.street types in forward and/or reverse order.•• All combinations of street names and street All combinations of street names and street

types at a junction of 3 or more streets.types at a junction of 3 or more streets.


Caution!

E 8th Av & E 8th St Or

E 8th ST & W 8TH ST


The DLPECC CAD area consists of The DLPECC CAD area consists of 24472447 intersections but contains approximately intersections but contains approximately 164,000164,000 alternate name combinations in alternate name combinations in the Geobase including over 300 appended the Geobase including over 300 appended customizations:customizations:•• Intersection aliases (e.g., Farmington Intersection aliases (e.g., Farmington

Hill Bottom, Elmores Corner)Hill Bottom, Elmores Corner)•• Phantom IntersectionsPhantom Intersections

Intersection Point Feature Class with Intersection Point Feature Class with Alternate NamesAlternate Names


44thth & 5& 5thth Foundational Geobase Element Foundational Geobase Element Transportation LayersTransportation Layers


LineLine--based transportation layers generally based transportation layers generally serve as the backbone of any CAD/GIS serve as the backbone of any CAD/GIS system.system.

Two transportation elements are used in Two transportation elements are used in the Durangothe Durango--La Plata County CAD Sentryx La Plata County CAD Sentryx Geobase design:Geobase design:•• 44thth element element -- County RoadsCounty Roads feature class feature class

(route layer).(route layer).•• 55thth Element Element -- Road CenterlineRoad Centerline feature class feature class

w/alternate names (default geocode layer).w/alternate names (default geocode layer).

44thth Foundational Geobase Element Foundational Geobase Element County Road LinesCounty Road Lines

The County Road (The County Road (routeroute) layer and ) layer and single single field locatorfield locator are custom enhancements to are custom enhancements to the local geobase and are used exclusively the local geobase and are used exclusively for callout requests for extra patrol by the for callout requests for extra patrol by the La Plata County Sheriffs Department. La Plata County Sheriffs Department.

Built as a subset of the road centerline Built as a subset of the road centerline layer, it only returns the county road layer, it only returns the county road name, midpoint location and an occasional name, midpoint location and an occasional descriptive text narrative (descriptive text narrative (aliasalias) on usage.) on usage.

County Roads Feature Class County Roads Feature Class (Route Layer)(Route Layer)

55thth Foundational Foundational GeobaseGeobase Element Element Road CenterlineRoad Centerline

The Roads centerline layer utilizes an ESRI The Roads centerline layer utilizes an ESRI US StreetsUS Streets address locator style for geoaddress locator style for geo-- referencing and serves as the referencing and serves as the defaultdefault database layer in all database layer in all SentryxSentryx cascading cascading address queries.address queries.

Alternate names are stored with the Alternate names are stored with the source data but are integrated and source data but are integrated and managed through the managed through the SentryxSentryx geobasegeobase..


SpillmanSpillman provides tools for ArcGIS 9x that provides tools for ArcGIS 9x that standardizestandardize and and validatevalidate your road centeryour road center-- line data as well as build line data as well as build alternate name tablesalternate name tables..


Address points are Address points are interpolatedinterpolated along the along the centerline using left/right (odd/even) centerline using left/right (odd/even) address parity and a predefined marker address parity and a predefined marker offset. offset.

Agency and administrative codes (e.g. Agency and administrative codes (e.g. Law Zones) are retrieved into the call Law Zones) are retrieved into the call window from polygon base layers using window from polygon base layers using the the coordinatescoordinates of the matched address.of the matched address.


When the centerline is the spine dividing When the centerline is the spine dividing two jurisdictional boundaries and the two jurisdictional boundaries and the offset is set at zero, both jurisdictions are offset is set at zero, both jurisdictions are individually displayed alongside the match individually displayed alongside the match address in the validation window.address in the validation window.

SpillmanSpillman also allows these roadways to be also allows these roadways to be assigned to a single agency while their left assigned to a single agency while their left and right address ranges (i.e., properties) and right address ranges (i.e., properties) be assigned to dual agencies.be assigned to dual agencies.

Road Centerline with Alternate Road Centerline with Alternate Street NamesStreet Names

Road Centerline with Alternate Road Centerline with Alternate Street NamesStreet Names

County Road Routes vs. Road Centerlines


66thth Foundational Foundational GeobaseGeobase Element Element Landmark PointLandmark Point

6th Foundational 6th Foundational GeobaseGeobase ElementElement LandmarkLandmark

Landmarks Landmarks –– General site and regional General site and regional classes for labeling and mapping.classes for labeling and mapping.

Single fieldSingle field locator stylelocator style

Landmark elements are mere location Landmark elements are mere location references, references, notnot known address pointsknown address points

Landmarks work where common places Landmarks work where common places dondon’’t.t.


Landmark SubtypesLandmark Subtypes::•• Major TownMajor Town•• Minor Town or DistrictMinor Town or District•• Major SubdivisionMajor Subdivision•• Major Hydrologic FeatureMajor Hydrologic Feature•• Minor Hydrologic FeatureMinor Hydrologic Feature•• Campgrounds/Picnic AreaCampgrounds/Picnic Area•• MinesMines•• Named Sites/LandmarksNamed Sites/Landmarks•• Wilderness AreasWilderness Areas


Landmarks play an important role in Landmarks play an important role in dispatch to mountain resort communities dispatch to mountain resort communities and wilderness areas in the northern part and wilderness areas in the northern part of La Plata County.of La Plata County.

They provide reference points along the They provide reference points along the D&SNGRR for helicopter assistance.D&SNGRR for helicopter assistance.

Useful for emergency assistance to Useful for emergency assistance to outdoor enthusiasts and tourists.outdoor enthusiasts and tourists.


77thth Foundational Foundational GeobaseGeobase Element Element Highway Mile MarkerHighway Mile Marker

7th Foundational 7th Foundational GeobaseGeobase ElementElement Highway Mile MarkersHighway Mile Markers

Highway mile markers are entered for Highway mile markers are entered for geogeo--verification against a verification against a single field single field type type locator as a locator as a codedcoded string: string: MM10 HWY550MM10 HWY550..

DLPECC mile marker point references are DLPECC mile marker point references are snapped to the road centerline relative to snapped to the road centerline relative to the location of existing CDOT mile posts.the location of existing CDOT mile posts.

Text narrative of the MM reverseText narrative of the MM reverse--geocodegeocode address and block range are attributed address and block range are attributed with the mile marker feature.with the mile marker feature.

Highway Mile Marker Highway Mile Marker ShapefileShapefile


88thth Foundational Foundational GeobaseGeobase Element Element Minor SubdivisionMinor Subdivision

8th Foundational 8th Foundational GeobaseGeobase ElementElement Minor SubdivisionMinor Subdivision

8th Foundational 8th Foundational GeobaseGeobase ElementElement Minor SubdivisionMinor Subdivision

The Minor Subdivisions Feature plays an The Minor Subdivisions Feature plays an important role in dispatch to suburban important role in dispatch to suburban communities and agricultural areas in communities and agricultural areas in eastern and southern La Plata County.eastern and southern La Plata County.

The point layer with a The point layer with a single field single field locator locator style provides dispatchers a tool for quick style provides dispatchers a tool for quick lookup of subdivision locations.lookup of subdivision locations.

Prime application is for call for extra patrol Prime application is for call for extra patrol or surveillance.or surveillance.

Emergency Response Agency and Emergency Response Agency and Administrative PolygonsAdministrative Polygons

Jurisdictional and agency bound areas are Jurisdictional and agency bound areas are used by the used by the SentryxSentryx GeobaseGeobase for pointfor point--inin-- polygon overlay and proximity analysis.polygon overlay and proximity analysis.•• City Zone BoundariesCity Zone Boundaries•• Law Zone and Response AreasLaw Zone and Response Areas•• Fire Zones and Response AreasFire Zones and Response Areas•• EMS Zones and Response AreaEMS Zones and Response Area•• Tribal RegionsTribal Regions•• Zip Code CloudZip Code Cloud

AutoAuto--populate the call window on retrievalpopulate the call window on retrieval


Other GIS base layers play an important Other GIS base layers play an important support role in support role in SentryxSentryx CAD mapping but CAD mapping but are not directly integrated with the ArcGIS are not directly integrated with the ArcGIS composite composite geobasegeobase locator model.locator model.

These spatial elements reference critical These spatial elements reference critical infrastructure, essential facilities, hazards, infrastructure, essential facilities, hazards, political boundaries, structures, PLSS, political boundaries, structures, PLSS, hydrographyhydrography and terrain.and terrain.

Support LayersSupport Layers

DSNGRR tracks and sidingsDSNGRR tracks and sidings

Lakes, reservoirs, rivers, streams and flood plainsLakes, reservoirs, rivers, streams and flood plains

Building footprintsBuilding footprints

Fire stations and emergency facilitiesFire stations and emergency facilities

Hiking and biking trails and trailheadsHiking and biking trails and trailheads

Bridges and culverts.Bridges and culverts.

Police and SO reporting districtsPolice and SO reporting districts

Tribal, county, state and federal land boundariesTribal, county, state and federal land boundaries

Terrain models and aerial photographyTerrain models and aerial photography

Parks, open space and recreational areasParks, open space and recreational areas

MHPsMHPs

Alleys, unnamed streets and O&G roadsAlleys, unnamed streets and O&G roads


The CAD The CAD geobasegeobase and support GIS layers and support GIS layers currently serve as the single source from currently serve as the single source from which the DLPECC, SO, SUPD, DPD, IPD, which the DLPECC, SO, SUPD, DPD, IPD, Bayfield MarshallBayfield Marshall’’s Office, four local fire s Office, four local fire and three local EMS authorities can access and three local EMS authorities can access all their digital spatial data needed for all their digital spatial data needed for mobile mappingmobile mapping, , AVLAVL and and RMSRMS application.application.

SpillmanSpillman vv--4.6 and Mobile v4.6 and Mobile v--4.54.5

Mobile and Pin MappingMobile and Pin Mapping••Foundational layers are limited to street Foundational layers are limited to street centerline and address points.centerline and address points.••Alternate street names and location Alternate street names and location aliases stored in a single table.aliases stored in a single table.••Zones are a function of street layer Zones are a function of street layer left/right (odd/even) parity and stored left/right (odd/even) parity and stored with centerlines.with centerlines.••Spatial query capabilities in Spatial query capabilities in OutfilesOutfiles

SpillmanSpillman vv--4.6 and Mobile v4.6 and Mobile v--4.54.5

The Road AheadThe Road Ahead

Next immediate goal of DurangoNext immediate goal of Durango--La Plata La Plata 911 Communication Center is to complete 911 Communication Center is to complete integration of the CAD system with ESRI integration of the CAD system with ESRI Network Analyst and Network Analyst and SpillmanSpillman Quickest Quickest Route module to route vehicles and model Route module to route vehicles and model travel time.travel time.

Thank YouThank You

EsriEsri International User Conference International User Conference July 11July 11--15, 2011 15, 2011 -- San Diego, CaSan Diego, Ca

[email protected]@[email protected]@ci.durango.co.us

mailto:[email protected]

mailto:[email protected]

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