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The command can export data of different types, like Polygons, Soundings and Seafloor, as specified in the tab part of the menu. The command can export to different format types and to user specified disk locations.
The Export Chart Data dialog
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Boundary: Use this button to export the Boundary polygon.
Holes: Use this button to export the Holes polygon.
Formats implemented in the menu are: VTK, ShapeEsri Shapefile Polygons, ASCII Column, VTK ASCII, Dxf ASCII
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Seafloor surface as points: Use this button to export the Seafloor (DTM) dataset and convert from a grid to xyz points.
Save in project only: Use this button to only create a pointcloud dataset Surfacepoints from the Seafloor dataset. No file will be exported when this button is toggled.
Formats implemented in the menu are: VTK, ShapeEsri Shapefile Points, ASCII Column, VTK ASCII, Dxf ASCII
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Formats implemented in the menu are: VTK, Irap Binary, Irap ASCII, VTK ASCII, GeoTiff, Bathymetry Attributed Grid (BAG).
Invert Z means that the sign (direction) of the Z axis will change from depth to altitude.
The Hill Shade tab:
This tab will export the Seafloor data item from the selected chart(s).
The hill shade is a image showing hill shade (relief) instead of depths.
The formats implemented in the menu is GeoTiff.*
The Hill shading part
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- Altitude deg: The altitude of the illumination source is specified in degrees above horizontal.
- Azimuth deg: The direction of the illumination source, azimuth, is specified as the compass direction.
- Z Scale: Is the factor to scale the Z direction compared with x and y.
- Positiv Z-Axis downward: Set checked for depth values and unchecked for altitude values.
- User defined Color: If unchecked, greyscale is used.
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Select which formats to export to. The selected format is individial for each tab.
Polygon and
Polygon formats: VTK, Esri Shapefile Polygons, ASCII Column, VTK ASCII, Dxf ASCII
Point formats: VTK, ShapeEsri Shapefile Points, ASCII Column, VTK ASCII, Dxf ASCII
Surface formats: VTK, Irap Binary, Irap ASCII, VTK ASCII, GeoTiff
Hill Shade format: GeoTiff
Invert Z means that the sign (direction) of the Z axis will change from depth to altitude.
Lat/Lon means that For some of the formats the coordinates can be converted to geographic instead of projected in the export.
The Output File part:
Select where to do the export. The selected location is common for all export.
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