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Introduction to Dataset

Dataset is a set of data in the same type. Sixteen dataset types are provided in AvisMap, point dataset, line dataset, region dataset, text dataset, CAD dataset, TIN dataset, GRID dataset, Network dataset and so on. The following table shows the detail information about each dataset type.

Vector Type Description Supports Creation Visible Editable
Tabular Dataset Stores only attribute without any geometric objects.

Yes

Yes

Yes

Point Dataset Stores points.

Yes

Yes

Yes

Line Dataset Stores data in line shape such as rivers and roads.

Yes

Yes

Yes

Region Dataset Stores data in region shape such as houses.

Yes

Yes

Yes

Text Dataset Stores texts such as annotations.

Yes

Yes

Yes

Network Dataset Stores network data, used to process path analysis etc. Created in topologizing.

Yes

Yes

3D Point Dataset Stores points in three dimension, such as elevation points. Converted from a TXT file or a 2D point dataset.

Yes

No
3D Line Dataset Stores lines in three dimension, such as pipelines. Converted from a TXT file or a 2D line dataset. No No
CAD Dataset Stores data of different types. Yes Yes Yes
TIN Dataset A kind of 3D model data. Converted from 2D dataset. Yes Yes
Route Dataset Stores lines whose vertices have not only geographic coordinates but also a M value which represents the distance to the starting point.

Yes

Yes Yes
Raster Image Dataset Image data which have no attributes. Imported from outer Yes No
DEM Dataset A kind of 3D model data. Converted from 2D dataset or imported from outer Yes No
Grid Dataset Grid Dataset Converted from 2D dataset or imported from outer Yes No
MrSID Dataset Compressed image data. Yes Yes No
ECW Dataset Compressed image data. Yes Yes No
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