raster representation problems
cfb
carla.fernandezb at GMAIL.COM
Tue Jan 22 03:02:29 EST 2008
Hi there,
I've some problems with the representation of a raster image (.img). I've
clasiffied it by its pixels, but when I zoom it I get white areas with no
data (and if I make the GetFeatureInfo I get: "msQueryByPoint(): Search
returned no results. No matching record(s) found" in the ms_error file.
I've been trying with several processing directives, but it doesn't change
anything. The image is ok, and I don't know where is the problem...
Here it is the layer object of my .map
LAYER
NAME 'precipitacion_anual'
DATA 'D:\datos_prueba\precimed.img'
#STATUS on
GROUP "MEDIO TERRESTRE"
TYPE RASTER
TRANSPARENCY ALPHA
#PROCESSING "CLOSE_CONNECTION=DEFER"
PROCESSING "DITHER=YES"
#PROCESSING "SCALE_1=1,255"
#PROCESSING "SCALE_2=2,255"
#PROCESSING "SCALE_3=3,255"
#OFFSITE 255 255 255
#PROCESSING "SCALE=AUTO"
#PROCESSING "DITHER=YES"
TOLERANCE 3
TOLERANCEUNITS pixels
DUMP TRUE
OFFSITE 255 255 255
DEBUG ON
TEMPLATE "D:\ms4w\maps\etc\template.html"
MINSCALE 8000
http://www.nabble.com/file/p15001007/image_p.png #MAXSCALE 1300000
METADATA
"WMS_SRS" "EPSG:23029 EPSG:23030 EPSG:4230 EPSG:4324 EPSG:4326
EPSG:32629 EPSG:32630 EPSG:4267 EPSG:4269 EPSG:4258 EPSG:3035 EPSG:3034"
"WMS_TITLE" "Precipitación media anual (mm). Periodo 1961-1980
"
"WMS_ABSTRACT" "Total medio anual de precipitación para el periodo
1961-1980, representado por el fondo de colores de la superficie emergida."
"WMS_FEATURE_INFO_MIME_TYPE" "text/html"
"wms_keywordlist" "WMS, servidor de mapas en red, Andalucía, Medio
Ambiente, mapas, clima, climatología, hidrología, precipitación atmosférica,
temperatura"
"wms_extent" "101003 3816667 628642 4288082"
#"wms_metadataurl_href"
"http://idena.navarra.es/busquedas/xml/c_toponimia.xml" #URL donde se
recogen más metadatos sobre la capa
#"wms_metadataurl_type" "TC211" #Norma de Metadatos el valor:
"TC211" equivale a ISO 19115
#"wms_metadataurl_format" "xml" #
#"wms_dataurl_href" "...." # Dirección URL de los datos
asociados
#"wms_dataurl_format" "xml" # Formato de los datos
"WMS_FEATURE_INFO_MIME_TYPE" "text/html"
"wms_dataurl_format" "image/png"
"wms_metadataurl_format" "text/html"
#"gml_featureid" "FID"
#"gml_include_items" "CODIGO,DESCRIPCIO"
END #METADATA
PROJECTION
"init=epsg:23030" #Proyección UTM European Datum 50 Huso 30
N
"init=epsg:23029" #Proyección UTM European Datum 50 Huso 29
N
"init=epsg:4230" #Coordenadas Geográficas ED50
"init=epsg:4324" #Coordenadas Geográficas WGS 72BE TRANSIT
BROADCAST EPHEMERIS
"init=epsg:4326" #Coordenadas Geográficas WGS 84
"init=epsg:32629" #Proyección UTM WGS 84 Huso 29 N
"init=epsg:32630" #Proyección UTM WGS 84 Huso 30 N
"init=epsg:4267" #Coordenadas Geográficas North American
Datum 1927 (NAD 27)
"init=epsg:4269" #Coordenadas Geográficas North American
Datum 1983 (NAD 83)
"init=epsg:4258" #Coordenadas Elipsoidales ETRS89 IDEE
"init=epsg:3035" #ETRS89/ETRS-LAEA Para representación y
análisis estadístico pan-Europeos IDEE
"init=epsg:3034" #ETRS89/ETRS-LCC Para la cartografía
pan-Europeo a escalas menores o iguales a 1:500.000 IDEE
END
#CLASES A PARTIR DE LA COMPOSICIÓN RGB DE LA PALETA
CLASSITEM "[pixel]"
CLASS
NAME "<100 "
EXPRESSION ([pixel] < 100)
STYLE
COLOR 230 153 0
END
END
CLASS
NAME "100-200 "
EXPRESSION ([pixel] >= 100 AND [pixel] < 200)
STYLE
COLOR 227 161 39
END
END
CLASS
NAME "200-300 "
EXPRESSION ([pixel] >= 200 AND [pixel] < 300)
STYLE
COLOR 224 173 63
END
END
CLASS
NAME "300-400 "
EXPRESSION ([pixel] >= 300 AND [pixel] < 400)
STYLE
COLOR 219 184 86
END
END
CLASS
NAME "400-500 "
EXPRESSION ([pixel] >= 400 AND [pixel] < 500)
STYLE
COLOR 214 193 109
END
END
CLASS
NAME "500-600 "
EXPRESSION ([pixel] >= 500 AND [pixel] < 600)
STYLE
COLOR 207 204 132
END
END
CLASS
NAME "600-700 "
EXPRESSION ([pixel] >= 600 AND [pixel] < 700)
STYLE
COLOR 198 214 156
END
END
CLASS
NAME "700-800 "
EXPRESSION ([pixel] >= 700 AND [pixel] < 800)
STYLE
COLOR 189 204 163
END
END
CLASS
NAME "800-900 "
EXPRESSION ([pixel] >= 800 AND [pixel] < 900)
STYLE
COLOR 179 194 169
END
END
CLASS
NAME "900-1000 "
EXPRESSION ([pixel] >= 900 AND [pixel] < 1000)
STYLE
COLOR 169 184 174
END
END
CLASS
NAME "1000-1100 "
EXPRESSION ([pixel] >= 1000 AND [pixel] < 1100)
STYLE
COLOR 161 176 181
END
END
CLASS
NAME "1100-1200 "
EXPRESSION ([pixel] >= 1100 AND [pixel] < 1200)
STYLE
COLOR 151 166 186
END
END
CLASS
NAME "1200-1300 "
EXPRESSION ([pixel] >= 1200 AND [pixel] < 1300)
STYLE
COLOR 140 156 191
END
END
CLASS
NAME "1300-1400 "
EXPRESSION ([pixel] >= 1300 AND [pixel] < 1400)
STYLE
COLOR 130 147 196
END
END
CLASS
NAME "1400-1500 "
EXPRESSION ([pixel] >= 1400 AND [pixel] < 1500)
STYLE
COLOR 117 138 207
END
END
CLASS
NAME "1500-1600 "
EXPRESSION ([pixel] >= 1500 AND [pixel] < 1600)
STYLE
COLOR 105 131 207
END
END
CLASS
NAME "1600-1700 "
EXPRESSION ([pixel] >= 1600 AND [pixel] < 1700)
STYLE
COLOR 93 123 212
END
END
CLASS
NAME "1700-1800 "
EXPRESSION ([pixel] >= 1700 AND [pixel] < 1800)
STYLE
COLOR 78 115 217
END
END
CLASS
NAME "1800-1900 "
EXPRESSION ([pixel] >= 1800 AND [pixel] < 1900)
STYLE
COLOR 61 106 219
END
END
CLASS
NAME "1900-2000 "
EXPRESSION ([pixel] >= 1900 AND [pixel] < 2000)
STYLE
COLOR 43 100 224
END
END
CLASS
NAME "2000-2100 "
EXPRESSION ([pixel] >= 2000 AND [pixel] <= 2100)
STYLE
COLOR 0 92 230
END
END
END #LAYER
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