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h2. Introduction

It is a good habit to regular check the data properties to see that everything looks fine. Although algorithms and menus should reject data that contain erroneous data, the user should also keep and eye on the dataset and secure the quality of the data. *Data properties* is shown by right-clicking a dataset and selecting *Properties*.

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_Data properties panel showing information about the dataset_


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*In this section:*
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h2. General

The *General* tab will give you details about the dataset, such as the data range, type, schema, memory size etc.

h2. Commands

The *Commands* tab will tell you which command is default when clicking in the checkbox of the dataset. You can reset default to another command by using the icon *Toggle Default Command* on the toolbar.

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_Commands tab showing possible commands and the selected default when clicking in the checkbox_

h2. Geodetics

You can view  and set the the geodetics settings of your dataset in the *Geodetics* tab. Note that to convert the dataset to another coordinate system you will need to run a conversion command. Read more about [Geodetic Conversion].

h2. Custom

Custom properties are name/value pairs that are set by the user. Use custom properties to add additional information about a dataset. Custom properties are stored along with the project.

To add a custom property:

# Click *New* in the custom tab in the properties dialog
# Enter the property name and value
# Click *OK*

To edit a custom property:

# Select the property that you wish to edit in the custom tab in the dataset property dialog
# Click *Edit*
# Edit the name or property in the editing dialog
# Click *OK* to close the dialog



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You can use custom properties to filter commands. In the command editor click the *Filter* button in the toolbar and edit the *Filter by Property* section.
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h2. History

The history tab may hold information about the source of the dataset and its history.

For example datasets imported from a file may list the original file name, and import date.

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