OR/13/001 Glossary: Difference between revisions

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{|
<center>
| DTM                          
{| class="wikitable"
| Digital Terrain Model – Model of surface of the solid Earth (generally the boundary between geosphere and atmosphere or hydrosphere). This is traditionally derived from OS contours and spot heights and should therefore exclude all buildings, trees, hedges, crops, animals etc. Sometimes also referred to as ‘bald earth’ models
| ! scope="col" style="width: 100px;" style="vertical-align:top;" | ''DTM''                     
| ! scope="col" style="width: 500px;" | Digital Terrain Model&nbsp;—&nbsp;Model of surface of the solid Earth (generally the boundary between geosphere and atmosphere or hydrosphere). This is traditionally derived from OS contours and spot heights and should therefore exclude all buildings, trees, hedges, crops, animals etc. Sometimes also referred to as ‘bald earth’ models.
|-
|-
| Envelope
| ! scope="col" style="width: 100px;" style="vertical-align:top;" | ''Envelope''
| Defined here as the extent of a geological deposit in plan view (2D): forming a distribution map of the particular unit, a presence – absence map.
| Defined here as the extent of a geological deposit in plan view (2D): forming a distribution map of the particular unit, a presence&nbsp;—&nbsp;absence map.
|-
|-
| GSI3D                         
| ! scope="col" style="width: 100px;" style="vertical-align:top;" | ''GSI3D''                          
| Geological Surveying and Investigation in 3D
| Geological Surveying and Investigation in 3D.
|-
|-
|}
|}
</center>


[[Category:OR/13/001 Model metadata summary report for the Colchester LithoFrame 10-50 model | 012]]
[[Category:OR/13/001 Model metadata summary report for the Colchester LithoFrame 10-50 model | 13]]

Latest revision as of 10:38, 4 August 2021

DTM Digital Terrain Model — Model of surface of the solid Earth (generally the boundary between geosphere and atmosphere or hydrosphere). This is traditionally derived from OS contours and spot heights and should therefore exclude all buildings, trees, hedges, crops, animals etc. Sometimes also referred to as ‘bald earth’ models.
Envelope Defined here as the extent of a geological deposit in plan view (2D): forming a distribution map of the particular unit, a presence — absence map.
GSI3D Geological Surveying and Investigation in 3D.
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