Geographic Information Systems Using ESRI ArcGIS 9.3 Working with the Attribute Table

EDITING To start editing (i.e. modifying), first of all you have to activate the Editor toolbar

EDITING To start editing, first of all you have to activate the Editor toolbar

EDITING Start Editing

EDITING Editor activated

EDITING: Attribute Table Editing a single value/label Type or copy/paste

ATTRIBUTE TABLE Options: add field You cannot add fields when you are in the editing environment!

ATTRIBUTE TABLE Options: add field Name (not duplicate)

ATTRIBUTE TABLE Options: add field Type Short integer ± 32’768 Long integer ± 2’147’483’648 Float ca. ± 2^38 Double ca. ± 2^308 Text alphanumeric Date mm/dd/yyyy hh:mm:ss

ATTRIBUTE TABLE Options: add field Length (only text: number of alphanumeric characters)

ATTRIBUTE TABLE Options: add field Precision (number of digits) Scale (number of digits after the decimal point) (Only numbers)

Data Types Text (alphanumeric) Number – Nominal (e.g. a postal code) – Ordinal (e.g. order of alluval terrace) – Cardinal With conventional zero (e.g. temperature) With real zero (e.g. precipitation)

Text and nominal and ordinal numbers can only be sorted No statistic evaluation (such as central values or dispersion parameters) is allowed, except for the evaluation of the modal class

Cardinal numbers with real zero can be submitted to full statistic analyses Cardinal numbers with conventional zero don’t allow ratios (e.g. 20°C is not the double of 10°C)

ATTRIBUTE TABLE Selection Click on the square to the left of the record

ATTRIBUTE TABLE Zoom to Selection Double click on the square to the left of the record

ATTRIBUTE TABLE Zoom to Selection Then minimize or resize the attribute table

ATTRIBUTE TABLE Multiple Selection Press the “CTRL” or “Shift” keys while selecting

ATTRIBUTE TABLE Show method All

ATTRIBUTE TABLE Show method Selected

ATTRIBUTE TABLE Multiple field editing Editing one field for all the selected records

ATTRIBUTE TABLE Multiple field editing Editing one field for all the selected records Field calculator

ATTRIBUTE TABLE Multiple field editing Editing one field for all the selected records Field calculator

ATTRIBUTE TABLE Multiple field editing Editing one field for all the selected records Field calculator Simply type in the new value/label Text must be placed between quatation marks

ATTRIBUTE TABLE Multiple field editing Editing one field for all the selected records Field calculator Run the calculator

ATTRIBUTE TABLE Multiple field editing Editing one field for all the selected records Field calculator Result