26
Copyright © 2015 Open Geospatial Consortium.
… :ems.incident.geophysical.lahar-portrayal-rule ,
:ems.incident.meteorological-portrayal-rule , :ems.incident.meteorological.stormSurge-portrayal-rule ,
:ems.incident.aviation-portrayal-rule , :ems.incident.hazardousMaterial.radiologicalHazard-portrayal-rule ,
:ems.incident.crime.bomb-portrayal-rule .
9.3.3 PortrayalRule
A PortrayalRule defines a rule that associates a feature type feature:FeatureType to a symbol symbol:Symbol satisfying a certain condition PortrayalRuleCondition in a
given context PortrayalContext. Table 4 summarizes its properties.
Table 4 PortrayalRule properties
Name Definition
Type Multiplicity
dct:title Multilingual human
readable name for the PortrayalRule.
string 0..n one per
language
dct:description Multilingual human
readable description for the PortrayalRule.
string 0..n one per
language
featureType The featureType associated
with this PortrayalRule feature:FeatureType
0..n portrayalContext
The context of application of the PortrayalRule
PortrayalContext 0..n
hasCondition The conditions that needs to
be satisfied by the rule PortrayalRuleCondition 0..n
symbol The symbol associated with
the rule symbol:Symbol
1
The listing below shows an example of PortrayalRule for Windchill. The PortrayalRule applied on the ems:EMSIncident featureType and associates the EMS symbol for
Windchill defined by the URL:
http:www.opengis.nettestbed11cciemssymbolsems.incident.temperature.windChill- symbol
Copyright © 2015 Open Geospatial Consortium.
27 :ems.incident.temperature.windChill-portrayal-rule
a style:PortrayalRule ; dct:description Portrayal rule for incident type ems.incident.temperature.windChill ;
dct:title Wind Chill incident portrayal rule ; style:featureType ems:EMSIncident ;
style:hasRuleCondition :ems.incident.temperature.windChill-portrayal-rule-condition; style:symbol
http:www.opengis.nettestbed11cciemssymbolsems.incident.temperature.windChill -symbol .
9.3.4 PortrayalRuleCondition
The PortrayalRuleCondition defines the condition in which a portrayal rule applies for a given feature. The PortrayalRuleCondition can be encoded using multiple encodings.
Table 5 summarizes the properties of PortrayalRuleCondition
Table 5 PortrayalRuleCondition Properties
Name Definition
Type Multipl
icity featureProperty
The feature property affected by this condition
FeatureProperty 0..n
hasSPARQLCondition SPARQL Encoding of the
PortrayalRuleCondition SPARQLCondition
0..1 hasRIFCondition
RIF Encoding of the PortrayalRuleCondition
RIFCondition 0..1
hasOGCFilterCondition OGC Filter encoding of
the PortrayalRuleCondition
OGCFilter 0..1
The following example demonstrates the encoding of the portrayal rule condition for the Portrayal rule for the symbol Windchill. The condition applies on the feature property
ems:incidentType. If the value of this property is equals to
http:www.opengis.nettaxonomyemsems.incident.temperature.windChill then the rule
is applicable.
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Copyright © 2015 Open Geospatial Consortium.
:ems.incident.temperature.windChill-portrayal-rule-condition
a style:PortrayalRuleCondition ; style:featureProperty ems:incidentType ;
