What is the meaning of 'Storing 3D coordinates' setting?

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Balazs Hober
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What is the meaning of 'Storing 3D coordinates' setting?

Postby Balazs Hober » Tue Jan 29, 2013 9:46 am

Storing 3D coordinates is a vector layer property, when checked it enables to store 3D coordinates in the edited layer with the supported vector layer formats. 3D geometry (X, Y, Z) can be a point and also a vertex in a polyline or polygon feature. When using the GPS Survey panel DigiTerra Explorer stores the Z coordinate as a measured value.

On the Source dialog of the layer you can enable to store Z coordinates in the geometry to an existing vector layer
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On this dialog box (at layer creation) you can enable to store Z coordinates in the geometry to the new vector layer
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Height (Z) coordinates of the geometry can be viewed on the Geometry dialog
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Height (Z) coordinates of the geometry can be edited on the Existing Vertex panel
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Height (Z coordinate values) can be stored in the following file formats:
* in DigiTerra Map and ESRI Shape file format the Height (Z coordinate) can be stored in all feature type
* in DXF the Height (Z coordinate) can be stored only to point features yet

:idea: The Height (Z coordinate) in the vector geometry should not be confused with the Altitude and Height above ellipsoid attribute default values that you can use to store height values in and attribute field!

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