[Mapserver-users] Label mindistance not working for me

Steve Lime steve.lime at dnr.state.mn.us
Mon Jan 26 10:20:25 PST 2004


The criteria is text comparison of labels within the same layer and same
class. Presumably you could have a interstate 35 and a state highway 35
that should be allowed to be close.

Why are you setting LABELCACHE ON and POSTLABELCACHE TRUE?

Steve

>>> "Matthew Haines" <mhaines94108 at hotmail.com> 1/25/2004 8:15:31 PM
>>>
I'm having trouble with label mindistance.  I have set it, but my
labels 
still collide.  What exactly is the equality comparison used?  Is it a
text 
comparison of the label names?  My data file has a different line
segment 
for each block on the street.  If the map is zoomed to show eight
blocks, I 
get eight labels.  A few extra labels is okay, but not when they are
all on 
top of each other.

Adding or removing BUFFER, MINDISTANCE, and MINFEATURESIZE all don't
seem to 
change the output map, which has identical labels stacked to the point
of 
illegibility.

Matthew

LAYER
	NAME "bk_streets"
	CONNECTIONTYPE OGR
	CONNECTION "data/streets/lion03C/bklion.tab"
	MAXSCALE 6000
	STATUS DEFAULT
	FORCE TRUE
	TYPE LINE
	LABELITEM 'Street'
	LABELCACHE ON
	POSTLABELCACHE TRUE
	CLASS
		COLOR 255 255 255
		LABEL
			ANGLE AUTO
			COLOR 31 231 31
			BUFFER 100
			FORCE FALSE
			MINFEATURESIZE AUTO
			SIZE 12
			TYPE TRUETYPE
			FONT arial
			MINDISTANCE 50
		END
	END
END

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