[pmapper-users] XYLAYER does not respond to MAXSCALE setting in the mapfile

[Andre v. A. <ava...@re...>]

Hi list,

I have a problem with XY-layers in Pmapper 3.0 on ms4w (2.2.1). It shows on
the map, but when I zoom out, it should respond to the MAXSCALE setting,
above this scale the layer should switch off automatically like any other
layers, but it doesn't. I have the same problem with Pmapper 1.53 on ms4w
1.5. 

In the legend, the layer is grayed when I zoom out, but enabling/disabling
the layer still works despite of the zoom level. The problem is that the
database is queried with a large amount of points.
I tried setting the MAXFEATURES setting also, but it didn't work out either.

The layer definition is:

  LAYER
    STATUS OFF
    NAME "Addresses"
    TYPE POINT
    UNITS METERS
    SIZEUNITS PIXELS
    MINSCALE 500
    MAXSCALE 10000
    #MAXFEATURES 1000
    TOLERANCE 5
    TOLERANCEUNITS PIXELS
    METADATA
      "DESCRIPTION"    "Addresses"
      "RESULT_FIELDS"    "Cityname, StreetName, nrVA, nrTM, Zip, RangeX,
RangeY"
      "RESULT_HEADERS"   "Plaatsnaam, Straatnaam, vanafNR, totenmetNR, PC6,
X, Y"
      "XYLAYER_PROPERTIES"
"odbc://'':''/localhost@DBAndre||fn_vw_TopoStreetRanges()@RangeX>0||RangeX,RangeY,0"
    END
    CLASS
      NAME "Addresses"
      TEMPLATE void
      STYLE
        SYMBOL 'default-circle'
        COLOR 255 0 0
        SIZE 6
        MINSIZE 1
        MAXSIZE 100
      END
    END
  END 

The XYLAYER_PROPERTIES is one line in the mapfile.
Obviously the function returns the recordset like any standard SQL, this
works the same as any SQL select. ALL XY layers have the same problem when
zooming out, independant of their (ODBC) source.
I use the PEAR from version ms4w 2.1, it works fine, all db-related stuff
works fine.

My ini file:

[GENERAL]

; p.mapper version
pmapper = 3.0.0
msVersion = 4.10.0
pm_config_location = ovreis
;pm_incphp_location = ../../pmapper2lib/incphp
;pm_javascript_location = ../../pmapper2lib/javascript
mapFile = "/ms4w/apps/maplab-2.2.1/OVReis/OVReis.map"
pm_default_language = nl
defCharset = UTF-8
map2unicode = 1
allGroups = "My commaseparated layer list, I will not annoy you with it.
Actually defined in categories"
defGroups = Andes6, Andes5, Andes4, Andes3, Andes2, Andes1
;mutualDisableList = notused
layerAutoRefresh = 1
limitResult = 500
highlightColor = 0, 10, 80
highlightSelected = on
autoZoom = nquery
zoomAll = search  nquery
infoWin = window
alignQueryResults = 1
pointBuffer = 1000
catStyle = tree
grpStyle = tree
legStyle = attached
useCategories = 1
scaleLayers = 1
icoW = 18
icoH = 14
imgFormat = png
altImgFormat = jpeg
;altImgFormatLayers = jpl_wms_global_mosaic, dem
sliderMax = max
sliderMin = 1000
pdfres = 2
dpiLevels = 150, 200, 300
enableRightMousePan = 1

I also tried different combinations of layer grouping / catgories / styles
on/off, but that does'nt seem to make any difference

Thanks,
Andre 



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