LEGEND

The size of the legend image is NOT known prior to creation so be careful not to hard-code width and height in the <IMG> tag in the template file.

IMAGECOLOR [r] [g] [b]

Color to initialize the legend with (i.e. the background).

INTERLACE [on|off]

Default is [on]. This keyword is now deprecated in favor of using the FORMATOPTION “INTERLACE=ON” line in the OUTPUTFORMAT declaration.

4.6 版后已移除.

KEYSIZE [x][y]

Size of symbol key boxes in pixels. Default is 20 by 10.

KEYSPACING [x][y]

Spacing between symbol key boxes ([y]) and labels ([x]) in pixels. Default is 5 by 5.

LABEL

Signals the start of a LABEL object

OUTLINECOLOR [r] [g] [b]

Color to use for outlining symbol key boxes.

POSITION [ul|uc|ur|ll|lc|lr]

Where to place an embedded legend in the map. Default is lr.

POSTLABELCACHE [true|false]

Tells MapServer to render this legend after all labels in the cache have been drawn. Useful for adding neatlines and similar elements. Default is false.

STATUS [on|off|embed]

Is the legend image to be created.

TEMPLATE [filename]

HTML legend template file.

也可以参考

HTML Legends with MapServer

TRANSPARENT [on|off]

Should the background color for the legend be transparent. This flag is now deprecated in favor of declaring transparency within OUTPUTFORMAT declarations. Default is off.

4.6 版后已移除.