[Geomoose-users] GM2 and scale bar peculiarities

[Johan Forsman]

Hello All:

I have a rather confusing situation where the scale bar is not showing up on my maps.

Initially I presumed it was due to PEBCAK since that's typically the issue at my desk, but after closer inspection it turns out the scale bar is actually there, it's just drawn well outside the viewport! I can verify that the scalebar is drawn by using the URL to the scalebar directly, and I can verify that it is outside the viewport by panning the image. Click and drag up-and-right and the scalebar appears eventually, until I release the mouse button and the image is redrawn.

I reference the scalebar via its own mapfile that contains the following:

----------------------------------------------
MAP
	NAME 'scalebar'
	SIZE 800 650
	STATUS ON
	EXTENT  401488 3197075 909651 3653904
      UNITS METERS
	INCLUDE "../../geomoose_globals.map"
	WEB
		INCLUDE "../../temp_directory.map"
	END
	LEGEND
		STATUS ON
		LABEL
		TYPE TRUETYPE
		FONT arial
		SIZE 8
		COLOR 0 0 0
	END		
	END	

SCALEBAR
    STATUS embed
    POSITION ll
    POSTLABELCACHE TRUE
    COLOR 0 0 0
    OUTLINECOLOR 166 202 240
    TRANSPARENT off
    UNITS miles
    INTERVALS 4
    SIZE 200 6
    STYLE 0
    LABEL
      SIZE small
      COLOR 0 0 0
      ANTIALIAS TRUE
    END #label
END #scalebar
END #Map
----------------------------------------------

In the above map file, if I omit the LEGEND block, the image returned is blank but there are no errors reported. Is this normal? Also, the scalebar STATUS must be EMBED or the image is blank.

In the mapbook I have the following mapsource defined:

	<map-source name="scalebar" type="mapserver">
		<file>./sdwp/base/scalebar.map</file>
		<layer name="all"/>
	</map-source>

And in the Catalog:

	<layer title="Scalebar" src="scalebar/all" status="on"/>


All my mapfiles have the size set to 800x650, but the URL contains a much larger size spec (1401x954):

http://geoview/cgi-bin/mapserv.exe?map=%2Fms4w%2Fapps%2Fgeomoose2%2Fmaps%2Fsdwp%2Fbase%2Fscalebar.map&mode=map&layers=all&mapext=95374.46159638558+3044474.176204819+1215235.5384036144+3807034.823795181&imgext=95374.46159638558+3044474.176204819+1215235.5384036144+3807034.823795181&map_size=1401+954&imgx=700.5&imgy=477&imgxy=1401+954

Is the image-size difference the issue? If so, how can I correct it?

I have a feeling I am overlooking something embarrassingly simple.

Thanks for your consideration,
/Johan.