Prezados,
Tenho 2 dúvidas em relação a imagens Raster
1) Configurei um mapfile, utilizando a funcionalidade "gdaltindex" para criar um arquivo index shapefile dos orotofotos. As ortofotos estão no formato ECW.
Entretanto não consigo visualizar as imagens no I3Geo, quando peço para testar o mapfile aparece o seguinte erro:
Fatal error: Maximum execution time of 30 seconds exceeded in C:\ms4w\Apache\htdocs\pmi\i3geo\testamapfile.php on line 86
Entretanto resolvi testar alterar, apenas, o código do sistema de projeção das ortofotos. Alterei o EPSG de 29192 (UTM 22) para 4291 (Geografica SAD)
Dessa forma o mapfile não apresentou erro, mas as fotos não foram visualizadas, o que era de se esperar.
Alguém tem alguma idéia de qual seja o problema?
Envio a configuração do mapfile
LAYER
NAME fotoaerea1996
TYPE RASTER
STATUS ON
TILEINDEX "C:\imagem\ortofoto1996.shp"
TILEITEM "location"
PROJECTION
"init=epsg:29192"
END
2) Estou configurando outro index das imagens SRTM, arcos de 30sec.
Havia buscado uma solução com o edmar, entretanto o problema continua.
Na hora que realizo a classificação da imagem, crio 25 classes, mas na visualização do I3Geo, ela reduz o número de classes para umas 10 classes automaticamente.
Alguém tem alguma solução ou idéia a respeito deste problema?
Atenciosamente,
Haroldo Virgilio
Autor: Haroldo Virgilio
33 comentários
FONTSET "../symbols/fontes.txt"
LAYER
NAME "srtm90a"
TYPE RASTER
STATUS off
group srtm90a
DATA /opt/www/html/geodados/brasil/srtm90m/relevo90/altimetr/hdr.adf
template "srtm90a.htm"
METADATA
DADOS ""
TPSHP ""
TEMA "Relevo SRTM 90 metros"
CLASSE "SIM"
TABELA "NAO"
TEXTO ""
ITENS "values,value_0,class"
ITENSDESC "Valores,Banda_0,Classe"
END
TRANSPARENCY 100
CLASS
NAME '< -10'
EXPRESSION ([pixel]>-20 and [pixel]<-10)
COLOR 0 255 0
END
CLASS
NAME '< 0'
EXPRESSION ([pixel]>-10 and [pixel]<0)
COLOR 255 0 0
END
CLASS
NAME '< 19'
EXPRESSION ([pixel]>0 and [pixel]<19)
COLOR 205 220 201
END CLASS
NAME 'de 20 a 50 m'
EXPRESSION ([pixel]>19 and [pixel]<50)
COLOR 205 220 201
END
CLASS
NAME 'de 50 a 100 m'
EXPRESSION ([pixel]>49 and [pixel]<100)
COLOR 255 254 223
END
CLASS
NAME 'de 100 a 200 m'
EXPRESSION ([pixel]>99 and [pixel]<200)
COLOR 255 255 183
END
CLASS
NAME 'de 200 a 400 m'
EXPRESSION ([pixel]>199 and [pixel]<400)
COLOR 255 231 183
END
CLASS
NAME 'de 400 a 600 m'
EXPRESSION ([pixel]>399 and [pixel]<600)
COLOR 255 210 149
END
CLASS
NAME 'de 600 a 1000'
EXPRESSION ([pixel]>599 and [pixel]<1000)
COLOR 255 185 149
END
CLASS
NAME 'de 1000 a 1800'
EXPRESSION ([pixel]>999 and [pixel]<1800)
COLOR 225 185 149
END
CLASS
NAME 'maior que 1799 m'
EXPRESSION ([pixel]>1799)
COLOR 225 172 112
END END
END
Em relação a página da ECW jagradeço, vou continuar os testes. Att, Haroldo CLASS
NAME "0-50"
EXPRESSION ([pixel]>0 AND [pixel]<=50)
COLOR 36 84 24
END
CLASS
NAME "50-100"
EXPRESSION ([pixel]>51 AND [pixel]<=100)
COLOR 46 92 58
END
CLASS
NAME "100-150"
EXPRESSION ([pixel]>101 AND [pixel]<=150)
COLOR 56 99 33
END
CLASS
NAME "150-200"
EXPRESSION ([pixel]>151 AND [pixel]<=200)
COLOR 67 107 39
END
CLASS
NAME "200-250"
EXPRESSION ([pixel]>201 AND [pixel]<=250)
COLOR 77 115 42
END
CLASS
NAME "250-300"
EXPRESSION ([pixel]>251 AND [pixel]<=300)
COLOR 88 112 48
END
CLASS
NAME "300-350"
EXPRESSION ([pixel]>301 AND [pixel]<=350)
COLOR 98 130 52
END
CLASS
NAME "350-400"
EXPRESSION ([pixel]>351 AND [pixel]<=400)
COLOR 112 140 59
END
CLASS
NAME "400-450"
EXPRESSION ([pixel]>401 AND [pixel]<=450)
COLOR 125 50 65
END
CLASS
NAME "450-500"
EXPRESSION ([pixel]>451 AND [pixel]<=500)
COLOR 136 158 71
END
CLASS
NAME "500-550"
EXPRESSION ([pixel]>501 AND [pixel]<=550)
COLOR 150 168 77
END
CLASS
NAME "550-600"
EXPRESSION ([pixel]>551 AND [pixel]<=600)
COLOR 162 176 83
END
CLASS
NAME "600-650"
EXPRESSION ([pixel]>601 AND [pixel]<=650)
COLOR 178 186 89
END
CLASS
NAME "650-700"
EXPRESSION ([pixel]>650 AND [pixel]<=700)
COLOR 193 196 96
END
CLASS
NAME "700-750"
EXPRESSION ([pixel]>701 AND [pixel]<=750)
COLOR 204 204 102
END
CLASS
NAME "750-800"
EXPRESSION ([pixel]>751 AND [pixel]<=800)
COLOR 199 192 95
END
CLASS
NAME "800-850"
EXPRESSION ([pixel]>801 AND [pixel]<=850)
COLOR 191 177 88
END
CLASS
NAME "850-900"
EXPRESSION ([pixel]>851 AND [pixel]<=900)
COLOR 184 163 79
END
CLASS
NAME "9100-950"
EXPRESSION ([pixel]>901 AND [pixel]<=950)
COLOR 179 150 73
END
CLASS
NAME "950-1000"
EXPRESSION ([pixel]>951 AND [pixel]<=1000)
COLOR 171 138 67
END
CLASS
NAME "1000-1100"
EXPRESSION ([pixel]>1001 AND [pixel]<=1100)
COLOR 166 127 61
END
CLASS
NAME "1100-1200"
EXPRESSION ([pixel]>1101 AND [pixel]<=1200)
COLOR 158 113 54
END
CLASS
NAME "1200-1300"
EXPRESSION ([pixel]>1201 AND [pixel]<=1300)
COLOR 150 101 48
END
CLASS
NAME "1300-1400"
EXPRESSION ([pixel]>1301 AND [pixel]<=1400)
COLOR 145 93 44
END
CLASS
NAME "1400-1500"
EXPRESSION ([pixel]>1401 AND [pixel]<=1500)
COLOR 138 81 37
END
CLASS
NAME "1500-2000"
EXPRESSION ([pixel]>1501 AND [pixel]<=2000)
COLOR 130 70 33
END
CLASS
NAME "2000-3000"
EXPRESSION ([pixel]>2001 AND [pixel]<=3000)
COLOR 122 59 27
END
CLASS
NAME "3000-4000"
EXPRESSION ([pixel]>3001 AND [pixel]<=4000)
COLOR 117 50 23
END
CLASS
NAME "4000-5000"
EXPRESSION ([pixel]>4001 AND [pixel]<=5000)
COLOR 110 41 20
END
CLASS
NAME "5000-6000"
EXPRESSION ([pixel]>5001 AND [pixel]<=6000)
COLOR 105 30 16
END
CLASS
NAME "6000-6850"
EXPRESSION ([pixel]>6001 AND [pixel]<=6850)
COLOR 97 21 13
END