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These data present a modelled multi-directional hillshade derived from the bathymetric elevation model (1 m resolution) of the HS54 - Tamaki Strait survey area. |
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These data present a modelled multi-directional hillshade derived from the bathymetric elevation model (1 m resolution) of the HS54 - Tamaki Strait survey area. |
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Survey HS54 undertaken by iXSurvey (now iXBlue ltd.)
Raw data provided by Land Information New Zealand (LINZ)
Bathymetry processed by National Institute of Water and Atmospheric Research (NIWA)
Data processed on behalf of Te Kaunihera o Tāmaki Makaurau / Auckland Council |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Hillshades represent an illuminated modelled surface derived from an elevation model. Depending on the illumination direction, azimuth, and degree of vertical exaggeration, hillshades can be used to highlight subtle geomorphology and seafloor features.</SPAN></P><P><SPAN>These data present a modelled multi-directional hillshade derived from the bathymetric elevation model (1 m resolution) of the HS5</SPAN><SPAN>4</SPAN><SPAN> - </SPAN><SPAN>Tamaki Strait</SPAN><SPAN> survey area. Survey HS5</SPAN><SPAN>4</SPAN><SPAN> was undertaken by </SPAN><SPAN>iXSurvey (now iXBlue) </SPAN><SPAN>on behalf of Land Information New Zealand (LINZ) for hydrographic charting purposes. Compared to traditional hillshades which are illuminated from a single source point only, a multi-directional hillshade is illuminated from 6 separate directions simultaneously, resulting in a more 'natural' expression of terrain.</SPAN></P><P><SPAN>This hillshade has been vertically exaggerated by a factor of 3, resulting in greater expression of more subtle geomorphology.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Not to be used for navigational purposes</SPAN></P></DIV></DIV></DIV> |
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HS54 Hillshade (1 m - 3 x VE) |
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["NIWA","Taihoro Nukurangi","LINZ","Te Kaunihera o Tāmaki Makaurau","Auckland Council","HS54","Tamaki Strait","BTM","Bathymetry","Hillshade"] |
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en-NZ |
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150000000 |
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