expressions with negative values

[Stephen Lime]

Something like EXPRESSION ([field] > -72 and [field] < -62) will work.

Steve

Stephen Lime
Internet Applications Analyst

Minnesota DNR
500 Lafayette Road
St. Paul, MN 55155
651-297-2937

>>> Marco Vieira <marco.vieira at telet.com.br> 04/11/01 08:07AM >>>
Hi All,
	I need to create a point layer with negative values classified by
expressions.
	example: A Class =  -72 < [Field] < -62.
	Does anyone can demonstrate how I do it?
	My map file show like this: (some bugs?)
LAYER
  NAME poa_qep
  TYPE Point
  STATUS on
  DATA poa_qep
  CLASSITEM Rssi 
      CLASS
        Name 'Poa_qep'
        EXPRESSION ([RSSI] < -92) ###This running good
        SYMBOL 'circle'
        SIZE 6
        COLOR 207 0 224
        OUTLINECOLOR 207 0 224
     END  # CLASS
  CLASSITEM Rssi 
      CLASS
        Name 'Poa_qep'
        EXPRESSION /^[-92 - -82]/  ###This are wrong???
        SYMBOL 'circle'
        SIZE 6
        COLOR 77 0 229
        OUTLINECOLOR 77 0 229
     END  # CLASS
  CLASSITEM Rssi
      CLASS
        Name 'Poa_qep'
        EXPRESSION /^[-82 - -72]/
        SYMBOL 'circle'
        SIZE 6
        COLOR 254 179 0
        OUTLINECOLOR 254 179 0
     END  # CLASS
END  # LAYER

Thanks.

Marco.