https://kb.orbitgt.com/ 2026-07-30T12:57:25+00:00 https://kb.orbitgt.com/ https://kb.orbitgt.com/lib/tpl/orbitgt_standalone/images/favicon.ico text/html 2019-03-25T11:36:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.orbitgt.com/110/orbitgis/datasets/contents/components?rev=1553513785 Back to Dataset Structure Contents Model Structure General Information Information Description Description A brief description of the objects that are in the model Identifier Unique number for the model Object count Number of objects that are currently known in the model text/html 2019-03-25T11:36:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.orbitgt.com/110/orbitgis/datasets/contents/formulas?rev=1553513785 Back to Dataset Structure Contents Back to Attribute Rules Attribute Formulas Page Index * * * * * * * * * * * * * Standard available Formulas Standard formulas are available from the Orbit user interface as Attribute Rules. All standard formulas use only one argument. text/html 2019-03-25T11:36:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.orbitgt.com/110/orbitgis/datasets/contents/index?rev=1553513785 Back to GIS Resources Back to Vector dataset structure concepts Dataset Structure Contents The Dataset Structure Contents panel gives access to the internal structure of the selected dataset. Right-Click on the dataset in the Datasets & Dataset Lists > Dataset Context Menu > Dataset Properties > Contents Models Attribute sets Attributes * Vector dataset structure concepts * GIS Resources Dataset Structure Content text/html 2019-03-25T11:36:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.orbitgt.com/110/orbitgis/datasets/contents/join?rev=1553513785 Back to Dataset Structure Contents Table Join Add more information to the dataset by linking an external table or database to the dataset. Right-Click on the dataset in the datasetlist (Context Menu) > Dataset Properties > Content > Table Join One of the most important issues in GIS is matching data from diverse sources together. One of the techniques to do so is Table Joining. Based on the attributes in your dataset, you can link an external data table to your dataset and embed it. text/html 2019-03-25T11:36:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.orbitgt.com/110/orbitgis/datasets/contents/naming?rev=1553513785 Back to Dataset Structure Contents Dataset Structure Naming When choosing Naming in the dropdownlist, one can do more than only change the name of some elements of the model structure. Below is a brief overview, Page Index * Naming : Change the username of an attribute (set) text/html 2019-03-25T11:36:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.orbitgt.com/110/orbitgis/datasets/contents/rules?rev=1553513785 Back to Dataset Structure Contents Attribute Rules [ ] An Attribute value can be calculated or constrained automatically by using an Attribute Rule. Rules are stored in the Orbit Resource Descriptor file and may apply to each single Attribute. Attribute Rules Calculate directly an attribute value with a formula or limit the possible attribute values with a valuelist text/html 2019-03-25T11:36:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.orbitgt.com/110/orbitgis/datasets/contents/structure?rev=1553513785 Back to Dataset Structure Contents Back to Vector dataset structure concepts Dataset Structure Via the Structure tab in the Dataset Structure Contents panel one can edit the dataset structure : Models, Attribute Sets and Attributes. * The changes are not supported by the data resource : Vector dataset structure concepts * The user has no permission to change the resource file or dataset structure.