[auscope-geosciml] Quantity vs QuantityRange

Boisvert, Eric Eric.Boisvert at RNCan-NRCan.gc.ca
Thu Jun 16 11:08:43 EDT 2011


I see (for example) that MetamorphicDescription has peakPressureValue and preakTemperatureValue as swe:Quantity and not as swe:QuantityRange

But I also noticed that Olllie used that pattern

                       <swe:Quantity gml:id="GAGeochemAnalysis_1526753_SiO2_Result" definition="SiO2 concentration">
                            <swe:uom code="%25" xlink:href="http://www.opengis.net/def/uom/UCUM/0/%25" xlink:title="percent"/>
                            <swe:quality>     <!-- Analytical Error -->
                                <swe:Quantity gml:id="GAGeochemAnalysis_1526753_SiO2_Error" definition="SiO2 analytical error">
                                    <swe:uom code="%25" xlink:href="http://www.opengis.net/def/uom/UCUM/0/%25" xlink:title="percent"/>
                                    <swe:value>0.1</swe:value>
                                </swe:Quantity>
                            </swe:quality>
                            <swe:value>76.4</swe:value>
                        </swe:Quantity>


The error band is stored in the swe:quality.  I suppose a range can be expressed the same way (swe:quality can be a QuantityRange and swe:value can be absent) - is this the pattern ?

Eric

================================================================
Eric Boisvert
Expert  TI-GI / IT-IM Expert
Eric.Boisvert at rncan.gc.ca, 418-654-3705, facsimile/télécopieur 
418-654-2615
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Digital Cartography and Photogrammetry Laboratory (DCPL)
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