Cadcorp Internal Dataset

A memory dataset.

An internal Cadcorp file that is stored internally within a SIS Workspace Definition (*.swd). It cannot be shared with other SWDs through the “Add Overlay” function, but can be copied and pasted between SWDs. 

Compatibility:

• Cadcorp SIS Desktop
• Cadcorp SIS Desktop Express
• Cadcorp SIS ActiveX Modeller
• Cadcorp SIS ActiveX Manager
• Cadcorp SIS ActiveX Viewer
• Cadcorp GeognoSIS

---

Dataset Properties

• Attributes: _attributes$
  A list of attributes held by the dataset.
  
  
• Class name: _class$
  The class name of the dataset.
  
  
• Coordinate Reference System: _projection$
  The dataset Coordinate Reference System in Open Geospatial Consortium (OGC) Well-Known-Text format. (Notice that some SIS Coordinate Reference System objects are not supported in OGC.)
  
  
• Description: _DESC$
  A textual description of the object.
  
  
• EPSG Code: _epsg&
  The matching EPSG code, if any.
  
  
• Editable: _bEditable&
  Is the dataset editable?
  
  
• Feature table: _featureTable$
  The Feature Table which dataset items with no Feature Table of their own use when their Feature code is set. This Feature Table is also used to get information about available feature codes and to create a default Feature Filter.
  
  Note: This does not override the Feature Table on an item.
  
  
• Layers: _layers$
  The set of all values the Layer property for all items in the dataset.
  
  
• Maximum item status: _maxItemStatus&
  The maximum edit status for items in dataset.
  
  Valid values are:
  

  SIS_INVISIBLE	Items are invisible.
  SIS_VISIBLE	Items are visible.
  SIS_HITTABLE	Items are visible and can be selected.
  SIS_EDITABLE	Items are selectable and can be edited.

  
  
• Maximum number of open Gateways: _nMaxGatewayOpen&
  The maximum number of Gateway sub-datasets a dataset should attempt to open simultaneously.
  
  
• Modified: _bModified&
  Has the dataset been modified?
  
  
• Name: _name$
  The dataset name. For a file-based dataset this will be the filename.
  
  
• Next item id: _idNextItem&
  
  The Item ID which will be used for the next Item created in this dataset.
  
  
• Notes: _notes$
  User notes on dataset.
  
  
• Number of Items: _nItems&
  The number of items in the dataset.
  
  
• Scale: _scale#
  The dataset scale.
  
  
• Size: _size&
  The amount of memory in bytes the dataset uses.
  
  
• report: _report$
  This reports: _name$, _DESC$, _crs$, _epsg&, _loadTime#.
  

---