Feature Style Pages
When the Style Editor Dialog is opened on a feature layer the following pages are available.
Simple

Theme

Category Definition
- Attribute: attribute used to define the categories
- Classes: number of classes to categories the data into
- Break: how to distributed the data into classes
- Quantile: All classes have the same number of elements
- Equal Interval: All classes have the same value range
- Normalize: Attribute used to normalize the attribute. As an example POP_CNTRY may be normalized by SQKM to determine population density
- Else: how to handle data values that cannot be categorized, often due to an invalid value.
Color Brewer Palette Selection
The uDig application incldues palettes defined by the color brewer projet. These palettes have been experimentally tested on live subjects.
- Show:
- Numerical / Sequential: palettes suitable for numeric values, a sequence of colors is used in order to communicate a smooth range of data. Higher values are brought to the attention of the eye.
- Numerical / Diverging: pallettes suitable for numerical values, a diverging sequence of colours is used in order to emphasis the high and low values.
- Categorical: palettes suitable for categorical data, no value stands out more than any other.
- Filters: palettes may be filter into those suitable for color blind, CRT monitors, LCD monitors, Projectors, the printed page and photocopying.
- Palette: choose a palette from the list
Theme
- Opacity: used to set how much color is shown, the default of 50% is interesting when used over top of satillite imagry, a higher value is recommended for presentation or printing.
- Reverse: reverse the order of the theme
- Remove: remove the selected category
- Suitability: quickly check for any warnings
- Theme:
- Color: You can manually change the color for a cateogry
- Label: You can change the label used to represent this category in the Lagend Map Graphic
- Values: You can change the range of values for which this category is applied
XML
This page is used to allow raw access to the xml used to express style information. The XML format used is the Stlye Layer Descritor specificaiton by the Open Geopspatial Consortium.

Validate
Press this button to check that your XML is valid.
Style Layer Descriptor
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