<?xml version="1.0" encoding="utf-8"?>
<PropertySetDef xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" ifdguid="db18288ac7754064b77607727f01f377" templatetype="PSET_OCCURRENCEDRIVEN" xsi:noNamespaceSchemaLocation="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd" xmlns="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd">
  <IfcVersion version="IFC4X4" />
  <Name>Pset_SpatialGeoObsSensor</Name>
  <Definition>Properties describing sensors used for geoscience observations.</Definition>
  <Applicability />
  <ApplicableClasses>
    <ClassName>IfcSensor</ClassName>
  </ApplicableClasses>
  <ApplicableTypeValue>IfcSensor</ApplicableTypeValue>
  <PropertyDefs>
    <PropertyDef ifdguid="cfec8a97a3924b9d819ab0e3432dd20f">
      <Name>PlacementType</Name>
      <Definition>Indicates the purpose of the sensor placement.</Definition>
      <PropertyType>
        <TypePropertyEnumeratedValue>
          <EnumList name="PEnum_SensorPlacementType">
            <EnumItem>MONITORING</EnumItem>
            <EnumItem>SURVEY</EnumItem>
          </EnumList>
          <ConstantList>
            <ConstantDef>
              <Name>MONITORING</Name>
              <Definition>Permanently installed for an extended time period for monitoring purposes</Definition>
              <NameAliases />
              <DefinitionAliases />
            </ConstantDef>
            <ConstantDef>
              <Name>SURVEY</Name>
              <Definition>Tentatively installed/placed for a short-time of period.</Definition>
              <NameAliases />
              <DefinitionAliases />
            </ConstantDef>
          </ConstantList>
        </TypePropertyEnumeratedValue>
      </PropertyType>
      <NameAliases />
      <DefinitionAliases />
    </PropertyDef>
    <PropertyDef ifdguid="68109d51feed45eeb5ff419c80523672">
      <Name>MeasurementStartTime</Name>
      <Definition>Measurement/Monitoring period or point in time - start.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcDateTime" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases />
      <DefinitionAliases />
    </PropertyDef>
    <PropertyDef ifdguid="ab01ddee2ffa44199a910e249dbefdc2">
      <Name>MeasurementEndTime</Name>
      <Definition>Measurement/Monitoring period or point in time - end.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcDateTime" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases />
      <DefinitionAliases />
    </PropertyDef>
  </PropertyDefs>
  <PsetDefinitionAliases />
</PropertySetDef>