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AAM was engaged by Bay of Plenty Regional Council to undertake acquisition and processing of Imagery over Maketu & Little Waihi and Frost Flats Heathlands.... |
| summary:
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AAM was engaged by Bay of Plenty Regional Council to undertake acquisition and processing of Imagery over Maketu & Little Waihi and Frost Flats Heathlands.... |
| accessInformation:
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AAM, Bay of Plenty Regional Council |
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18055.954822 |
| typeKeywords:
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["Data","Service","Image Service","ArcGIS Server"] |
| description:
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN STYLE="font-weight:bold;">Please read Project Reports </SPAN><SPAN STYLE="font-weight:bold;">PRJ36500NON01</SPAN><SPAN STYLE="font-weight:bold;"> </SPAN><SPAN STYLE="font-weight:bold;">(Objective Ref: </SPAN><A href="https://objective.envbop.net/id:A3550027/document/versions/published" STYLE="text-decoration:underline;"><SPAN STYLE="font-weight:bold;">A3550027</SPAN></A><SPAN STYLE="font-weight:bold;">) and </SPAN><SPAN STYLE="font-weight:bold;">PRJ36500NO</SPAN><SPAN STYLE="font-weight:bold;">N02</SPAN><SPAN STYLE="font-weight:bold;"> </SPAN><SPAN STYLE="font-weight:bold;">(Objective Ref: </SPAN><A href="https://objective.envbop.net/id:A3550026/document/versions/published" STYLE="text-decoration:underline;"><SPAN STYLE="font-weight:bold;">A3550026</SPAN></A><SPAN STYLE="font-weight:bold;">) for complete metadata.</SPAN></P><P><SPAN /><SPAN /></P><P><SPAN STYLE="font-weight:bold;">Acquisition</SPAN><SPAN STYLE="font-weight:bold;"> </SPAN><SPAN STYLE="font-weight:bold;">(</SPAN><SPAN STYLE="font-weight:bold;">PRJ36500NON01</SPAN><SPAN STYLE="font-weight:bold;">- Kaituna Wetland, Maketu, Little Waihi</SPAN><SPAN STYLE="font-weight:bold;">)</SPAN><SPAN STYLE="font-weight:bold;">: </SPAN><SPAN /></P><P><SPAN>Acquisition of Imagery occurred on 20th January 2020, airborne LiDAR data was</SPAN><SPAN> </SPAN><SPAN>captured concurrently with the Imagery and used as the orthophoto DEM. Trajectories supplied</SPAN><SPAN> </SPAN><SPAN>in the ancillary folder of this volume contain date and time information specific to the areas</SPAN><SPAN> </SPAN><SPAN>supplied.</SPAN></P><P><SPAN /><SPAN /></P><P><SPAN STYLE="font-weight:bold;">Acquisition</SPAN><SPAN STYLE="font-weight:bold;"> </SPAN><SPAN STYLE="font-weight:bold;">(</SPAN><SPAN STYLE="font-weight:bold;">PRJ36500NO</SPAN><SPAN STYLE="font-weight:bold;">N02 - Frost flats)</SPAN><SPAN STYLE="font-weight:bold;">: </SPAN><SPAN /></P><P><SPAN>Acquisition of Imagery occurred on 23rd, 25th, 27th January and 3rd February 2020.</SPAN><SPAN> </SPAN><SPAN>Airborne LiDAR data was captured concurrently with the Imagery and used as the orthophoto</SPAN><SPAN> </SPAN><SPAN>DEM. Trajectories supplied in the ancillary folder of this volume contain date and time</SPAN><SPAN STYLE="font-size:14pt"> </SPAN><SPAN STYLE="font-size:12pt">information specific to the areas supplied.</SPAN></P><P><SPAN /><SPAN /></P><P><SPAN STYLE="font-weight:bold;"><SPAN>Ground Support: </SPAN></SPAN><SPAN /></P><P><SPAN>RTX processing was used to calculate the GPS trajectory solution. Trimble</SPAN><SPAN> </SPAN><SPAN>CenterPointR RTX™ is a proprietary GPS, GLONASS, BeiDou, and QZSS enabled technology</SPAN><SPAN> </SPAN><SPAN>that provides high-accuracy GNSS positioning worldwide without the use of traditional local</SPAN><SPAN> </SPAN><SPAN>base stations or a VRS network. By combining real-time data from a global reference station</SPAN><SPAN> </SPAN><SPAN>infrastructure with innovative positioning and compression algorithms, Trimble RTX technology</SPAN><SPAN> </SPAN><SPAN>computes centimeter-level positions based on satellite orbit and clock information.</SPAN><SPAN> </SPAN><SPAN>Ground control was surveyed by Sounds Surveying in early 2019 was used to assist in control</SPAN><SPAN> </SPAN><SPAN>for the imagery.</SPAN></P><P><SPAN /><SPAN /></P><P><SPAN STYLE="font-weight:bold;"><SPAN>Data Processing: </SPAN></SPAN><SPAN /></P><P><SPAN>The RGB orthophotos are supplied at 10cm gsd. The imagery was</SPAN><SPAN> </SPAN><SPAN>georeferenced with airborne reference data and surveyed ground control, using aero</SPAN><SPAN> </SPAN><SPAN>triangulation. Ortho-rectification utilised the LiDAR digital terrain model, and a combination of</SPAN><SPAN> </SPAN><SPAN>automated and manual seamline placement.</SPAN><SPAN> </SPAN><SPAN>Laser strikes were classified into default, ground using a single algorithm across the project</SPAN><SPAN> </SPAN><SPAN>area. No manual editing was performed. The ground points were used for orthorectification of</SPAN><SPAN STYLE="font-size:14pt"> </SPAN><SPAN STYLE="font-size:12pt">the imagery, and supplied in this volume as DEM.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><P STYLE="text-align:Justify;margin:7 0 7 0;"><SPAN STYLE="font-style:italic;"><SPAN>Copyright ©. This copyright work is licensed under the Creative Commons Attribution 3.0 New Zealand Licence. In essence, you are free to copy, distribute and adapt the work, as long as you attribute the work to Bay of Plenty Regional Council and abide by the other licence terms. To view a copy of this licence, visit </SPAN></SPAN><A href="http://creativecommons.org/licenses/by/3.0/nz/" STYLE="text-decoration:underline;"><SPAN STYLE="font-style:italic;text-decoration:underline;"><SPAN>http://creativecommons.org/licenses/by/3.0/nz/</SPAN></SPAN></A><SPAN STYLE="font-style:italic;"><SPAN>. </SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN STYLE="font-style:italic;"><SPAN>If you do not accept the terms of the Creative Commons Licence 3.0 BY then please delete this email and do not download the data.</SPAN></SPAN></P><DIV><P><SPAN /></P></DIV></DIV> |
| catalogPath:
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| title:
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DEM_2020_1m |
| type:
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Image Service |
| url:
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https://gis.boprc.govt.nz/imgadmin |
| tags:
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["Elevation","model","NZVD2016","LiDAR DEM","1m","Kaituna wetland","Maketu","Little Waihi","Frost flats"] |
| culture:
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en-NZ |
| name:
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DEM_2020_1m |
| guid:
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| minScale:
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3.6978595474472E7 |
| spatialReference:
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WGS_1984_Web_Mercator_Auxiliary_Sphere |