Oxidation formula (Subsidence Overlay) and I3S: Difference between pages

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The amount of subsidence due to oxidation is calculated by the following formula:
3D models in different formats, such as BIM data or a SketchUp model, can be converted to the I3S format with a SLPK file. See the text below to learn more about this.


<math>S_O = a_{y} \cdot d_{gw,y,c} - b \cdot d_{ct,c} - c</math>
==What is I3S?==
The I3S (Indexed 3D Scene Layer Specification) is a format for large 3D Geo datasets. The specification is especially designed for streaming large 3D data over the web. The specification originates from Esri and was adopted as a Community Standard by the OGC (Open Geospatial Consortium) in 2017. An I3S dataset is also called a Scene Layer.


where
==What is an SLPK?==
: <math>S_O</math> is the subsidence due to oxidation.
A Scene Layer Package (SLPK) is a file format for the storage/exchange of one I3S layer.
: <math>d_{gw,y,c}</math> is the [[Ground water depth formula (Subsidence Overlay)|calculated ground water depth]] for year y in cell c.
 
: <math>a_{y}</math> is the [[Parameter_a_recalculation_formula_(Subsidence_Overlay)|calculated a parameter value]] for the current year <math>y</math>.
 
: <math>d_{ct,c}</math> is the clay thickness of the terrain in cell c, defined by [[Clay thickness (Subsidence Overlay)|CLAY_THICKNESS]]
==See also==
: <math>b</math> is the b parameter value, defined by [[B (Subsidence Overlay)|the model attribute B]]
* [[How_to_import_i3s_scene_layer_in_new_project|How to create a new project with existing I3S data]]
: <math>c</math> is the c parameter value, defined by [[C (Subsidence Overlay)|the model attribute C]]
* [[How_to_prepare_a_3D_plan_for_importing|How to prepare a 3D plan before importing]]
This formula was provided by experts, who have derived this formula empirically.<noinclude>
* [[How_to_create_a_SLPK_file|How to create a SLPK file from other 3D data formats]]
{{Template:SubsidenceOverlay_nav}}
* [[How_to_import_a_SLKP_file|How to import a SLKP file into the {{software}}]]
</noinclude>
 
{{Template:GeoDataOverview}}

Revision as of 14:13, 15 March 2021

3D models in different formats, such as BIM data or a SketchUp model, can be converted to the I3S format with a SLPK file. See the text below to learn more about this.

What is I3S?

The I3S (Indexed 3D Scene Layer Specification) is a format for large 3D Geo datasets. The specification is especially designed for streaming large 3D data over the web. The specification originates from Esri and was adopted as a Community Standard by the OGC (Open Geospatial Consortium) in 2017. An I3S dataset is also called a Scene Layer.

What is an SLPK?

A Scene Layer Package (SLPK) is a file format for the storage/exchange of one I3S layer.


See also

Geo Data
Project Sources
Open data sources • GeoShare • Custom Geometry
Web
WFS • WMS • WCS • CSW • Map service
File
CityGML • DXF • GeoJSON • GeoTIFF • SLPK
Import
Vector • Raster • 2D spatial plan • 3D model (I3S, CityGML)
Export
Vector • Raster • GeoShare Viewer


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