Export Manual

Export WMS to GeoTIFF

In this video Tore will explain how to export part of a WMS to GeoTIFF.

Gemini Terreng: DWG

In Gemini terrain, select the files you want to export to dwg.
Everything that is selected will be included in the export to dwg. File → Export → dwg.

Gemini Terreng: IFC

In Gemini terrain, select the files you want to export to IFC.
Everything that is selected will be included in the export to IFC. File → Export → IFC.
Select location → export.

Gemini Terreng: landXML Centre Line

In Gemini Terrain, find the SFI model (road model) you want to get the centre line from.
Double-click on the file name to bring up the SFI properties.
In the SFI properties, go to the tab «import / export» → «Export to field».
Select the format «VisualMachine LandXML 3D lines».

Orthophoto: Drone

Drone scanning may for example be loaded into Pix4D. See video explanation of proposed settings.

We need a total of 4 files to drape Orthophoto on terrain in the GeoTIFF format.

Image / Drone Scan / Satellite: Orthophoto

.TIF
.TFW

Terrain model: DSM / DTM

Remember

All of these should be added in the same folder and zipped.
Include “DSM” in the name of the terrain model files – example: “Terrain_projectX_DSM.tif” and “Terrain_projectX_DSM.tfw”).
When uploading, and prompted with “Do you want to split models” remember to select “No split”

Orthophoto: Export from Høydedata

Download orthophoto(s) from hoydedata.no, or other sources, to add orthophoto to your project.

Orthophoto: Merging Tiffs in Archgis

To merge several GeoTIffs into one file, Archgis may be used. See video explanation of the process.

We need a total of 4 files to drape Orthophoto on terrain in the GeoTIFF format.

Image / Drone Scan / Satellite: Orthophoto

.TIF
.TFW

Terrain model: DSM / DTM

All of these should be added in the same folder and zipped.

Remember to include “DSM” in the name of the terrain model files – example: “Terrain_projectX_DSM.tif” and “Terrain_projectX_DSM.tfw”).

Orthophoto: Merging Tiffs in QGIS

To merge several GeoTIffs into one file, QGIS may be used. See images of the process to the right. The First part in English, and the second in Norwegian.

In the QGIS Browser Panel, select the GeoTiffs you want to merge and right click to add them to the main window.
Select Raster > Miscellaneous > Merge
In the Merge dialogue window, for Input files, browse to your directory containing your GeoTiff tiles. Select them all by holding Ctrl + select (Shift + select on a mac). For Output files, name your output file with the specified format of .tif for a georeferenced merged raster.
Select “Creation Options” checkbox, and in the Profile drop down menu, select your compression level. We recommend any form of lossless compression (note: we do NOT recommend jpeg compression for GeoTiff merge export).
“When we first merged two GeoTiffs of 5.24GB and 8.55GB without any compression, it generated a 24GB file! Use compression to save Hard Disk space.”
Select OK, let it do its thing. Merging takes a long time (depends on the size of the project), be patient and trust the process. It took us 2.5 hours to complete the first merge on a late 2013 iMac.

We need a total of 4 files to drape Orthophoto on terrain in the GeoTIFF format.

Image / Drone Scan / Satellite: Orthophoto