english:glossary:geographicinformation
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english:glossary:geographicinformation [//19/04/2015 18:10//] – taien | english:glossary:geographicinformation [//26/08/2018 12:56//] (Version actuelle) – joliveau | ||
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These three components can answer various questions by interrogating the geographic database using spatial and attribute queries. The spatial component: what do we find here? Where is this type of entity? Is this entity similar to its neighbors? The temporal component: when was this? Which entities appeared after this date? The thematic component: what is this? Is this different from that? The power of a GIS comes from its ability to answer questions combining these three components. Example: what is the nature of the objects that appeared during this last decade near this other object? | These three components can answer various questions by interrogating the geographic database using spatial and attribute queries. The spatial component: what do we find here? Where is this type of entity? Is this entity similar to its neighbors? The temporal component: when was this? Which entities appeared after this date? The thematic component: what is this? Is this different from that? The power of a GIS comes from its ability to answer questions combining these three components. Example: what is the nature of the objects that appeared during this last decade near this other object? | ||
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See: [[english: | See: [[english: | ||
+ | \\ [[glossaire: |
english/glossary/geographicinformation.1429459838.txt.gz · Dernière modification : //19/04/2015 18:10// de taien