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Re: xmloverlay error BrowserIdent_setCanvasHW

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Re: xmloverlay error BrowserIdent_setCanvasHW

Antonio P. Dinoy Jr.
Dear All,
I got this problem: Error: uncaught exception: [Exception... "Component returned failure code: 0x8007000e (NS_ERROR_OUT_OF_MEMORY) [nsIDOMHTMLCanvasElement.height]"  nsresult: "0x8007000e (NS_ERROR_OUT_OF_MEMORY)"  location: "JS frame :: http://localhost/bma/kamap/htdocs/XMLOverlay/kaXmlOverlay.js :: _BrowserIdent_setCanvasHW :: line 1551"  data: no]
 
the line xmloverlay  are not shown when zoomed at the last scale of the map using this following scales ('scales' => array( 4,3,2,1,0.5,0.1,0.08,0.06,0.05,0.04,0.02,0.01 ), and ESPG 4326.
 
using this algorithm:
 function hiliteLine(retval){
 //alert(retval);
 
if (retval!=null){
var a=retval.split('|');
var aPoints = new Array();
for (p=0;p<a.length;p++){
var b=a[p].split(',');
aPoints[p] = new Array(parseFloat(b[0]),parseFloat(b[1]),p);
}
 
//the function
if (
myXmlOverlay!=null){myXmlOverlay.remove();myXmlOverlay=null;}
    printFlaglets (aPoints[0][0],aPoints[0][1],aPoints[aPoints.length-1][0],aPoints[aPoints.length-1][1]);
 
                myXmlOverlay = new kaXmlOverlay( myKaMap, 510);
                var line =null;
                var coordinates = "";
    //xmlOverlayUseCanvas = false;//disable canvas use for any compatibility problem
    
                for(i=0;i<aPoints.length;i++){
                        var  latitude = aPoints[i][0];
                        var longuitude = aPoints[i][1];
                       
                        var pointId = i;
                        var my_point =myXmlOverlay.addNewPoint(pointId, longuitude, latitude);
                        /*var my_symbol = new kaXmlSymbol();
                        my_symbol.size = 12;
                        my_symbol.color = '#ff0000';
                        //my_point.setInnerHtml(aPoints[i][2]);
                        my_point.onmouseover = myPointClicked;
                        my_point.addGraphic(my_symbol);*/
      
                        if (i>0) coordinates += ",";
                        coordinates += longuitude + " " + latitude;
                }
                my_point = myXmlOverlay.addNewPoint("Line",longuitude, latitude);
    alert(coordinates);
                line = new kaXmlLinestring(my_point);
                line.readCoordinates(my_point, coordinates);
                line.color = 'red';
                line.stroke = 4;
    line.opacity=0.5; 
                my_point.addGraphic(line);
           
                /*my_point = myXmlOverlay.addNewPoint("myPoly",longuitude, latitude);
               poly = new kaXmlPolygon(my_point);
               poly.readCoordinates(my_point, coordinates);
                poly.color = 'green';
                my_point.addGraphic(poly);*/
}
}
 
map:
MAP
 NAME mainmap
# EXTENT [minx] [miny] [maxx] [maxy].
# EXTENT -137138 586244 1618910 2308935
EXTENT  100 13.45 101.32 13.99
#83.49609375 1.1864386394452024 118.5205078125 21.3303150734318
  FONTSET ../etc/fonts.txt
  IMAGECOLOR 139 166 188
  INTERLACE TRUE
  SYMBOLSET ../etc/symbols.sym
  SHAPEPATH "../data"
IMAGETYPE  png
 INTERLACE OFF
OUTPUTFORMAT
 NAME aggpng
 DRIVER AGG/PNG
 MIMETYPE "image/png"
 ## transparency only with RGBA Image Mode
 ## mapserver had to be compiled -with-experimental-png
 IMAGEMODE RGBA
 EXTENSION "png"
 FORMATOPTION "QUANTIZE_FORCE=ON"
 FORMATOPTION "QUANTIZE_COLORS=256"
 FORMATOPTION "QUANTIZE_NEW=ON"
 TRANSPARENT ON
 end
OUTPUTFORMAT
  NAME "png"
  DRIVER "GD/PNG"
  MIMETYPE "image/png"
  IMAGEMODE RGB
  FORMATOPTION  INTERLACE=OFF
  TRANSPARENT OFF
  EXTENSION "png"
END
OUTPUTFORMAT
  NAME "png8"
  DRIVER "GD/PNG"
  MIMETYPE "image/png"
  IMAGEMODE PC256
  FORMATOPTION  INTERLACE=OFF
  TRANSPARENT OFF
  EXTENSION "png"
END
OUTPUTFORMAT
  NAME "jpeg"
  DRIVER "GD/JPEG"
  MIMETYPE "image/jpeg"
  IMAGEMODE RGB
  FORMATOPTION "QUALITY=70"
  EXTENSION "jpg"
END
#
# Image formats for AGG
#
# OUTPUTFORMAT   ### 24 bit PNG
  # NAME 'agg_png'
  # DRIVER AGG/PNG
  # IMAGEMODE RGB
# END
# OUTPUTFORMAT  ### 32 bit PNG with alpha channel from transparency
  # NAME 'agg_pnga'
  # DRIVER AGG/PNG
  # IMAGEMODE RGBA
# END
# OUTPUTFORMAT  ### 8 bit PNG
  # NAME 'agg_png8' 
  # DRIVER AGG/PNG
  # IMAGEMODE RGB
  # FORMATOPTION "QUANTIZE_FORCE=ON"
  # FORMATOPTION "QUANTIZE_DITHER=OFF"
  # FORMATOPTION "QUANTIZE_COLORS=256"
# END
# OUTPUTFORMAT
  # NAME 'agg_jpeg'
  # DRIVER AGG/JPEG
  # IMAGEMODE RGB
# END

OUTPUTFORMAT
  NAME GTiff
  DRIVER "GDAL/GTiff"
  MIMETYPE "image/tiff"
  IMAGEMODE RGB
  #FORMATOPTION "TFW=YES"
  #FORMATOPTION "COMPRESS=PACKBITS"
  EXTENSION "tif"
END
OUTPUTFORMAT
  NAME imagemap
  MIMETYPE "text/html"
  FORMATOPTION SKIPENDTAG=OFF
  DRIVER imagemap
END
 SIZE 800 525
  STATUS ON
  TRANSPARENT TRUE
  UNITS METERS
#PROJECTION
#"init=epsg:4326"
#"proj=longlat"
#"datum=WGS84"
#"ellps=WGS84"
#"no_defs"
#END
PROJECTION
   "init=epsg:4326"
 END
   
  WEB
 
    IMAGEPATH "/ms4w/tmp/ms_tmp/"
    IMAGEURL "/ms_tmp/"

   
  END
REFERENCE
    COLOR -1 -1 -1
 EXTENT  91.87 4.57 112.01 21.73
# 83.49609375 1.1864386394452024 118.5205078125 21.3303150734318
    IMAGE "images/reference.png"
    OUTLINECOLOR 0 0 0
   SIZE 120 90
    STATUS ON
 
 
     
  END
 

LEGEND
  KEYSIZE 18 12
  LABEL
    TYPE BITMAP
    SIZE MEDIUM
    COLOR 0 0 89
  END
  STATUS OFF
END

SCALEBAR
  STATUS off
  TRANSPARENT off
  INTERVALS 4
  SIZE 200 3
  UNITS meters
  COLOR 250 250 250
  OUTLINECOLOR 0 0 0
  BACKGROUNDCOLOR 100 100 100
  STYLE 0
  POSTLABELCACHE true
  LABEL
    COLOR 0 0 90
    #OUTLINECOLOR 200 200 200
    SIZE small
  END  # Label
END  # Reference
 
QUERYMAP
  STYLE HILITE
  COLOR 0 0 0
END
  SYMBOL
    NAME 'circle'
    TYPE ELLIPSE
    POINTS 1 1 END
    FILLED TRUE
  END
############
#/////////////////province here
  LAYER
    NAME "province"
group "province"
#    CONNECTION "user=postgres dbname=rpmsii host=localhost port=5432 password=dohtu"
#    CONNECTIONTYPE POSTGIS
#    DATA "the_geom from province using unique gid using srid=4326"
DATA province
#PROJECTION
#"init=epsg:32647"
#"proj=utm"
#"zone=47"
#"a=6377276.345"
#"b=6366075.41314024"
#"units=m"
#"no_defs"
 #   END
  METADATA
    "DESCRIPTION"   "Thailand Provinces"
    "RESULT_FIELDS" "province_name_t area prov_code"
  END
  TYPE POLYGON
  STATUS ON
 
  #LabelItem "province_name_t" 
CLASSITEM "gid"
CLASS
      EXPRESSION "1"
      TEMPLATE "parks.html"
      NAME "31"
      METADATA
      END
      STYLE
        ANGLE 360
        COLOR 206 254 135
        OUTLINECOLOR 0 0 0
        SIZE 1
        SYMBOL 0
      END
    END
   .....

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