免费公布Img图像数据格式分析及超大数据量快速读取方法

walk.djg · 发表于 2012-6-8 13:16

Img图像数据格式分析及超大数据量快速读取方法

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( 1 ) I mg格式总的头文件 E h f a  H e a d e r T a g对象。
C h a r [ 1 6 ]l a b e l ；／*I mg 文件的标志 E H F A—
HEADER —
TAG *／
L o n g h e a d e r P t r ；／*节点 E h f a —
F i l e的位置 *／
( 2 ) E h f a  F i l e对象的格式。
L o n g v e r s i o n ；／*v e r s i o n n u m b e r ，通常是 1 *／
Lo ngf r e e l i s t；
L o n g r o o t E n t r y P t r ；／*根节点的位置 *／
S h o r t e n t r y H e a d e r L e n g t h ：／*每一个节点头文件的长度 *／
L o n g d i e t i o n a r y P t r ；／*各个节点存储结构列表的位置 *／

walk.djg · 发表于 2012-6-8 13:16

( 3 ) 每一个节点的基本信息以及各个节点的联系是
通过 E h f a  E n t r y对象来实现的。E h f a  E n t r y是每一个节
点的头文件的存储结构。E h f a  E n t r y对象格式如下：
L on g n e x t ；／*下一个节点的位置 *／
L on g p r e y ；／*前一个节点的位置 *／
L on g p a r e n t ；／*父节点的位置 *／
L on g c h i l d ；／*第一个子节点的位置 *／
L on g d a t a ；／*数据的存放位置 *／
L on g d a t a s i z e ：／*数据大小 *／
C h a r [ 6 4 ]n a m e ；／*节点的名字 *／
C h a r [ 3 2 ]t y p e ；／*节点的存储结构 *／
T I ME mo d T i m e ；／*此节点的修改时间 * ／

walk.djg · 发表于 2012-6-8 13:21

{1:lversion,1

freeList,1:LrootEntryPtr,1:sentryHeaderLength,1:LdictionaryPtr,}Ehfa_File,{1:e2:raster,vector,type,1:LdictionaryPtr,}Ehfa_Layer,{1:Lnext,1:Lprev,1:Lparent,1:Lchild,1:Ldata,1:ldataSize,64:cname,32:ctype,1:tmodTime,}Ehfa_Entry,{16:clabel,1:LheaderPtr,}Ehfa_HeaderTag,{1:LfreeList,1:lfreeSize,}Ehfa_FreeListNode,{1:lsize,1:Lptr,}Ehfa_Data,{1:sfileCode,1:Loffset,1:lsize,1:e2:false,true,logvalid,1:e2:no compression,ESRI GRID compression,compressionType,}Edms_VirtualBlockInfo,{1:lmin,1:lmax,}Edms_FreeIDList,{1:lnumvirtualblocks,1:lnumobjectsperblock,1:lnextobjectnum,1:e2:no compression,RLC compression,compressionType,0:poEdms_VirtualBlockInfo,blockinfo,0:poEdms_FreeIDList,freelist,1:tmodTime,}Edms_State,{1:lwidth,1:lheight,1:e3:thematic,athematic,fft of real-valued data,layerType,1:e13:u1,u2,u4,u8,s8,u16,s16,u32,s32,f32,f64,c64,c128,pixelType,1:lblockWidth,1:lblockHeight,}Eimg_Layer_SubSample,{1:lwidth,1:lheight,1:e3:thematic,athematic,fft of real-valued data,layerType,1:e13:u1,u2,u4,u8,s8,u16,s16,u32,s32,f32,f64,c64,c128,pixelType,1:lblockWidth,1:lblockHeight,}Eimg_Layer,{0:pcdatumname,1:e3:EPRJ_DATUM_PARAMETRIC,EPRJ_DATUM_GRID,EPRJ_DATUM_REGRESSION,type,0:pdparams,0:pcgridname,}Eprj_Datum,{0:pcsphereName,1:da,1:db,1:deSquared,1:dradius,}Eprj_Spheroid,{1:e2:EPRJ_INTERNAL,EPRJ_EXTERNAL,proType,1:lproNumber,0:pcproExeName,0:pcproName,1:lproZone,0:pdproParams,1:*oEprj_Spheroid,proSpheroid,}Eprj_ProParameters,{1:dx,1:dy,}Eprj_Coordinate,{1:dwidth,1:dheight,}Eprj_Size,{0:pcproName,1:*oEprj_Coordinate,upperLeftCenter,1:*oEprj_Coordinate,lowerRightCenter,1:*oEprj_Size,pixelSize,0:pcunits,}Eprj_MapInfo,{1:dminimum,1:dmaximum,1:dmean,1:dmedian,1:dmode,1:dstddev,}Esta_Statistics,{1:lskipFactorX,1:lskipFactorY,}Esta_SkipFactors,{1:lnumRows,}Edsc_Table,{1:lnumRows,1:LcolumnDataPtr,1:e4:integer,real,complex,string,dataType,1:lmaxNumChars,}Edsc_Column,{1:lnumrows,1:lnumcolumns,1:e13:EGDA_TYPE_U1,EGDA_TYPE_U2,EGDA_TYPE_U4,EGDA_TYPE_U8,EGDA_TYPE_S8,EGDA_TYPE_U16,EGDA_TYPE_S16,EGDA_TYPE_U32,EGDA_TYPE_S32,EGDA_TYPE_F32,EGDA_TYPE_F64,EGDA_TYPE_C64,EGDA_TYPE_C128,datatype,1:e4:EGDA_SCALAR_OBJECT,EGDA_TABLE_OBJECT,EGDA_MATRIX_OBJECT,EGDA_RASTER_OBJECT,objecttype,}Egda_BaseData,{1:lnumBins,1:e4:direct,linear,logarithmic,explicit,binFunctionType,1:dminLimit,1:dmaxLimit,1:*bbinLimits,}Edsc_BinFunction,{1:lversion,1:lnumobjects,1:e2:EAOI_UNION,EAOI_INTERSECTION,operation,}Eaoi_AreaOfInterest,.

HFADictionary:
HFAType Ehfa_File/18 bytes
ULONG                version[1];
LONG                freeList[1];
LONG                rootEntryPtr[1];
USHORT             entryHeaderLength[1];
LONG                dictionaryPtr[1];

HFAType Ehfa_Layer/6 bytes
ENUM                type[1];
      raster=0
      vector=1
LONG                dictionaryPtr[1];

HFAType Ehfa_Entry/124 bytes
LONG                next[1];
LONG                prev[1];
LONG                parent[1];
LONG                child[1];
LONG                data[1];
ULONG                dataSize[1];
UCHAR                name[64];
UCHAR                type[32];
TIME                modTime[1];

HFAType Ehfa_HeaderTag/20 bytes
UCHAR                label[16];
LONG                headerPtr[1];

HFAType Ehfa_FreeListNode/8 bytes
LONG                freeList[1];
ULONG                freeSize[1];

HFAType Ehfa_Data/8 bytes
ULONG                size[1];
LONG                ptr[1];

HFAType Edms_VirtualBlockInfo/14 bytes
USHORT             fileCode[1];
LONG                offset[1];
ULONG                size[1];
ENUM                logvalid[1];
      false=0
      true=1
ENUM                compressionType[1];
      no compression=0
      ESRI GRID compression=1

HFAType Edms_FreeIDList/8 bytes
ULONG                min[1];
ULONG                max[1];

HFAType Edms_State/34 bytes
ULONG                numvirtualblocks[1];
ULONG                numobjectsperblock[1];
ULONG                nextobjectnum[1];
ENUM                compressionType[1];
      no compression=0
      RLC compression=1
Edms_VirtualBlockInfo p blockinfo[0];
Edms_FreeIDList    p freelist[0];
TIME                modTime[1];

HFAType Eimg_Layer_SubSample/20 bytes
ULONG                width[1];
ULONG                height[1];
ENUM                layerType[1];
      thematic=0
      athematic=1
      fft of real-valued data=2
ENUM                pixelType[1];
      u1=0
      u2=1
      u4=2
      u8=3
      s8=4
      u16=5
      s16=6
      u32=7
      s32=8
      f32=9
      f64=10
      c64=11
      c128=12
ULONG                blockWidth[1];
ULONG                blockHeight[1];

HFAType Eimg_Layer/20 bytes
ULONG                width[1];
ULONG                height[1];
ENUM                layerType[1];
      thematic=0
      athematic=1
      fft of real-valued data=2
ENUM                pixelType[1];
      u1=0
      u2=1
      u4=2
      u8=3
      s8=4
      u16=5
      s16=6
      u32=7
      s32=8
      f32=9
      f64=10
      c64=11
      c128=12
ULONG                blockWidth[1];
ULONG                blockHeight[1];

HFAType Eprj_Datum/26 bytes
UCHAR             p datumname[0];
ENUM                type[1];
      EPRJ_DATUM_PARAMETRIC=0
      EPRJ_DATUM_GRID=1
      EPRJ_DATUM_REGRESSION=2
DOUBLE             p params[0];
UCHAR             p gridname[0];

HFAType Eprj_Spheroid/40 bytes
UCHAR             p sphereName[0];
DOUBLE             a[1];
DOUBLE             b[1];
DOUBLE             eSquared[1];
DOUBLE             radius[1];

HFAType Eprj_ProParameters/42 bytes
ENUM                proType[1];
      EPRJ_INTERNAL=0
      EPRJ_EXTERNAL=1
ULONG                proNumber[1];
UCHAR             p proExeName[0];
UCHAR             p proName[0];
ULONG                proZone[1];
DOUBLE             p proParams[0];
Eprj_Spheroid    * proSpheroid[1];

HFAType Eprj_Coordinate/16 bytes
DOUBLE             x[1];
DOUBLE             y[1];

HFAType Eprj_Size/16 bytes
DOUBLE             width[1];
DOUBLE             height[1];

HFAType Eprj_MapInfo/40 bytes
UCHAR             p proName[0];
Eprj_Coordinate    * upperLeftCenter[1];
Eprj_Coordinate    * lowerRightCenter[1];
Eprj_Size          * pixelSize[1];
UCHAR             p units[0];

HFAType Esta_Statistics/48 bytes
DOUBLE             minimum[1];
DOUBLE             maximum[1];
DOUBLE             mean[1];
DOUBLE             median[1];
DOUBLE             mode[1];
DOUBLE             stddev[1];

HFAType Esta_SkipFactors/8 bytes
ULONG                skipFactorX[1];
ULONG                skipFactorY[1];

HFAType Edsc_Table/4 bytes
ULONG                numRows[1];

HFAType Edsc_Column/14 bytes
ULONG                numRows[1];
LONG                columnDataPtr[1];
ENUM                dataType[1];
      integer=0
      real=1
      complex=2
      string=3
ULONG                maxNumChars[1];

HFAType Egda_BaseData/12 bytes
ULONG                numrows[1];
ULONG                numcolumns[1];
ENUM                datatype[1];
      EGDA_TYPE_U1=0
      EGDA_TYPE_U2=1
      EGDA_TYPE_U4=2
      EGDA_TYPE_U8=3
      EGDA_TYPE_S8=4
      EGDA_TYPE_U16=5
      EGDA_TYPE_S16=6
      EGDA_TYPE_U32=7
      EGDA_TYPE_S32=8
      EGDA_TYPE_F32=9
      EGDA_TYPE_F64=10
      EGDA_TYPE_C64=11
      EGDA_TYPE_C128=12
ENUM                objecttype[1];
      EGDA_SCALAR_OBJECT=0
      EGDA_TABLE_OBJECT=1
      EGDA_MATRIX_OBJECT=2
      EGDA_RASTER_OBJECT=3

HFAType Edsc_BinFunction/30 bytes
ULONG                numBins[1];
ENUM                binFunctionType[1];
      direct=0
      linear=1
      logarithmic=2
      explicit=3
DOUBLE             minLimit[1];
DOUBLE             maxLimit[1];
BASEDATA          * binLimits[1];

HFAType Eaoi_AreaOfInterest/10 bytes
ULONG                version[1];
ULONG                numobjects[1];
ENUM                operation[1];
      EAOI_UNION=0
      EAOI_INTERSECTION=1

root(root) 0 @ 0

  Band_1(Eimg_Layer) 20 @ 1059
  + width = 128
  + height = 128
  + layerType = athematic
  + pixelType = u8
  + blockWidth = 64
  + blockHeight = 64

Descriptor_Table(Edsc_Table) 4 @ 19022
+ numRows = 256

   #Bin_Function#(Edsc_BinFunction) 30 @ 19158
   + numBins = 256
   + binFunctionType = direct
   + minLimit = 0.000000
   + maxLimit = 255.000000

   Histogram(Edsc_Column) 14 @ 21364
   + numRows = 256
   + columnDataPtr = 19188
   + dataType = real
   + maxNumChars = 0

      Skip_Factors(Esta_SkipFactors) 8 @ 21506
      + skipFactorX = 1
      + skipFactorY = 1

Statistics(Esta_Statistics) 48 @ 18710
+ minimum = 10.000000
+ maximum = 130.000000
+ mean = 46.668945
+ median = 46.000000
+ mode = 47.000000
+ stddev = 10.741155

   Skip_Factors(Esta_SkipFactors) 8 @ 18886
   + skipFactorX = 1
   + skipFactorY = 1

Map_Info(Eprj_MapInfo) 115 @ 18467
+ proName = `Transverse Mercator'
+ upperLeftCenter =
+    x = 430985.000000
+    y = 3727759.000000
+ lowerRightCenter =
+    x = 434795.000000
+    y = 3723949.000000
+ pixelSize =
+    width = 30.000000
+    height = 30.000000
+ units = `meters'

Projection(Eprj_ProParameters) 173 @ 17949
+ proType = EPRJ_INTERNAL
+ proNumber = 9
+ proName = `Transverse Mercator'
+ proZone = 0
+ proParams[0] = 0.000000
+ proParams[1] = 0.000000
+ proParams[2] = 0.999600
+ proParams[3] = 0.000000
+ proParams[4] = -2.042035
+ proParams[5] = 0.000000
+ proParams[6] = 500000.000000
+ proParams[7] = 0.000000
+ proSpheroid =
+    sphereName = `WGS 84'
+    a = 6378137.000000
+    b = 6356752.314245
+    eSquared = 0.006694
+    radius = 6371007.180918

   Datum(Eprj_Datum) 89 @ 18250
   + datumname = `WGS 84'
   + type = EPRJ_DATUM_PARAMETRIC
   + params[0] = 0.000000
   + params[1] = 0.000000
   + params[2] = 0.000000
   + params[3] = 0.000000
   + params[4] = 0.000000
   + params[5] = 0.000000
   + params[6] = 0.000000

RasterDMS(Edms_State) 94 @ 17727
+ numvirtualblocks = 4
+ numobjectsperblock = 4096
+ nextobjectnum = 16384
+ compressionType = no compression
+ blockinfo[0] =
+    fileCode = 0
+    offset = 1215
+    size = 4096
+    logvalid = true
+    compressionType = no compression
+ blockinfo[1] =
+    fileCode = 0
+    offset = 5311
+    size = 4096
+    logvalid = true
+    compressionType = no compression
+ blockinfo[2] =
+    fileCode = 0
+    offset = 9407
+    size = 4096
+    logvalid = true
+    compressionType = no compression
+ blockinfo[3] =
+    fileCode = 0
+    offset = 13503
+    size = 4096
+    logvalid = true
+    compressionType = no compression
+ modTime = -595591168

Ehfa_Layer(Ehfa_Layer) 6 @ 1207
+ type = raster
+ dictionaryPtr = 21522

walk.djg · 发表于 2012-6-8 13:23

{1:lversion,1:LfreeList,1:LrootEntryPtr,1:sentryHeaderLength,1:LdictionaryPtr,}Ehfa_File,{1:e2:raster,vector,type,1:LdictionaryPtr,}Ehfa_Layer,{1:Lnext,1:Lprev,1:Lparent,1:Lchild,1:Ldata,1:ldataSize,64:cname,32:ctype,1:tmodTime,}Ehfa_Entry,{16:clabel,1:LheaderPtr,}Ehfa_HeaderTag,{1:LfreeList,1:lfreeSize,}Ehfa_FreeListNode,{1:lsize,1:Lptr,}Ehfa_Data,{1:sfileCode,1:Loffset,1:lsize,1:e2:false,true,logvalid,1:e2:no compression,ESRI GRID compression,compressionType,}Edms_VirtualBlockInfo,{1:lmin,1:lmax,}Edms_FreeIDList,{1:lnumvirtualblocks,1:lnumobjectsperblock,1:lnextobjectnum,1:e2:no compression,RLC compression,compressionType,0:poEdms_VirtualBlockInfo,blockinfo,0:poEdms_FreeIDList,freelist,1:tmodTime,}Edms_State,{1:lwidth,1:lheight,1:e3:thematic,athematic,fft of real-valued data,layerType,1:e13:u1,u2,u4,u8,s8,u16,s16,u32,s32,f32,f64,c64,c128,pixelType,1:lblockWidth,1:lblockHeight,}Eimg_Layer_SubSample,{1:lwidth,1:lheight,1:e3:thematic,athematic,fft of real-valued data,layerType,1:e13:u1,u2,u4,u8,s8,u16,s16,u32,s32,f32,f64,c64,c128,pixelType,1:lblockWidth,1:lblockHeight,}Eimg_Layer,{0:pcdatumname,1:e3:EPRJ_DATUM_PARAMETRIC,EPRJ_DATUM_GRID,EPRJ_DATUM_REGRESSION,type,0:pdparams,0:pcgridname,}Eprj_Datum,{0:pcsphereName,1:da,1:db,1:deSquared,1:dradius,}Eprj_Spheroid,{1:e2:EPRJ_INTERNAL,EPRJ_EXTERNAL,proType,1:lproNumber,0:pcproExeName,0:pcproName,1:lproZone,0:pdproParams,1:*oEprj_Spheroid,proSpheroid,}Eprj_ProParameters,{1:dx,1:dy,}Eprj_Coordinate,{1:dwidth,1:dheight,}Eprj_Size,{0:pcproName,1:*oEprj_Coordinate,upperLeftCenter,1:*oEprj_Coordinate,lowerRightCenter,1:*oEprj_Size,pixelSize,0:pcunits,}Eprj_MapInfo,{1:dminimum,1:dmaximum,1:dmean,1:dmedian,1:dmode,1:dstddev,}Esta_Statistics,{1:lskipFactorX,1:lskipFactorY,}Esta_SkipFactors,{1:lnumRows,}Edsc_Table,{1:lnumRows,1:LcolumnDataPtr,1:e4:integer,real,complex,string,dataType,1:lmaxN

复制代码

walk.djg · 发表于 2012-6-8 13:23

{1:lversion,1:LfreeList,1:LrootEntryPtr,1:sentryHeaderLength,1:LdictionaryPtr,}Ehfa_File,{1:e2:raster,vector,type,1:LdictionaryPtr,}Ehfa_Layer,{1:Lnext,1:Lprev,1:Lparent,1:Lchild,1:Ldata,1:ldataSize,64:cname,32:ctype,1:tmodTime,}Ehfa_Entry,{16:clabel,1:LheaderPtr,}Ehfa_HeaderTag,{1:LfreeList,1:lfreeSize,}Ehfa_FreeListNode,{1:lsize,1:Lptr,}Ehfa_Data,{1:sfileCode,1:Loffset,1:lsize,1:e2:false,true,logvalid,1:e2:no compression,ESRI GRID compression,compressionType,}Edms_VirtualBlockInfo,{1:lmin,1:lmax,}Edms_FreeIDList,{1:lnumvirtualblocks,1:lnumobjectsperblock,1:lnextobjectnum,1:e2:no compression,RLC compression,compressionType,0:poEdms_VirtualBlockInfo,blockinfo,0:poEdms_FreeIDList,freelist,1:tmodTime,}Edms_State,{1:lwidth,1:lheight,1:e3:thematic,athematic,fft of real-valued data,layerType,1:e13:u1,u2,u4,u8,s8,u16,s16,u32,s32,f32,f64,c64,c128,pixelType,1:lblockWidth,1:lblockHeight,}Eimg_Layer_SubSample,{1:lwidth,1:lheight,1:e3:thematic,athematic,fft of real-valued data,layerType,1:e13:u1,u2,u4,u8,s8,u16,s16,u32,s32,f32,f64,c64,c128,pixelType,1:lblockWidth,1:lblockHeight,}Eimg_Layer,{0:pcdatumname,1:e3:EPRJ_DATUM_PARAMETRIC,EPRJ_DATUM_GRID,EPRJ_DATUM_REGRESSION,type,0:pdparams,0:pcgridname,}Eprj_Datum,{0:pcsphereName,1:da,1:db,1:deSquared,1:dradius,}Eprj_Spheroid,{1:e2:EPRJ_INTERNAL,EPRJ_EXTERNAL,proType,1:lproNumber,0:pcproExeName,0:pcproName,1:lproZone,0:pdproParams,1:*oEprj_Spheroid,proSpheroid,}Eprj_ProParameters,{1:dx,1:dy,}Eprj_Coordinate,{1:dwidth,1:dheight,}Eprj_Size,{0:pcproName,1:*oEprj_Coordinate,upperLeftCenter,1:*oEprj_Coordinate,lowerRightCenter,1:*oEprj_Size,pixelSize,0:pcunits,}Eprj_MapInfo,{1:dminimum,1:dmaximum,1:dmean,1:dmedian,1:dmode,1:dstddev,}Esta_Statistics,{1:lskipFactorX,1:lskipFactorY,}Esta_SkipFactors,{1:lnumRows,}Edsc_Table,{1:lnumRows,1:LcolumnDataPtr,1:e4:integer,real,complex,string,dataType,1:lmaxNumChars,}Edsc_Column,{1:lnumrows,1:lnumcolumns,1:e13:EGDA_TYPE_U1,EGDA_TYPE_U2,EGDA_TYPE_U4,EGDA_TYPE_U8,EGDA_TYPE_S8,EGDA_TYPE_U16,EGDA_TYPE_S16,EGDA_TYPE_U32,EGDA_TYPE_S32,EGDA_TYPE_F32,EGDA_TYPE_F64,EGDA_TYPE_C64,EGDA_TYPE_C128,datatype,1:e4:EGDA_SCALAR_OBJECT,EGDA_TABLE_OBJECT,EGDA_MATRIX_OBJECT,EGDA_RASTER_OBJECT,objecttype,}Egda_BaseData,{1:lnumBins,1:e4:direct,linear,logarithmic,explicit,binFunctionType,1:dminLimit,1:dmaxLimit,1:*bbinLimits,}Edsc_BinFunction,{1:lversion,1:lnumobjects,1:e2:EAOI_UNION,EAOI_INTERSECTION,operation,}Eaoi_AreaOfInterest,.HFADictionary:HFAType Ehfa_File/18 bytes ULONG version[1]; LONG freeList[1]; LONG rootEntryPtr[1]; USHORT entryHeaderLength[1]; LONG dictionaryPtr[1];HFAType Ehfa_Layer/6 bytes ENUM type[1]; raster=0 vector=1 LONG dictionaryPtr[1];HFAType Ehfa_Entry/124 bytes LONG next[1]; LONG prev[1]; LONG parent[1]; LONG child[1]; LONG data[1]; ULONG dataSize[1]; UCHAR name[64]; UCHAR type[32]; TIME modTime[1];HFAType Ehfa_HeaderTag/20 bytes UCHAR label[16]; LONG headerPtr[1];HFAType Ehfa_FreeListNode/8 bytes LONG freeList[1]; ULONG freeSize[1];HFAType Ehfa_Data/8 bytes ULONG size[1]; LONG ptr[1];HFAType Edms_VirtualBlockInfo/14 bytes USHORT fileCode[1]; LONG offset[1]; ULONG size[1]; ENUM logvalid[1]; false=0 true=1 ENUM compressionType[1]; no compression=0 ESRI GRID compression=1HFAType Edms_FreeIDList/8 bytes ULONG min[1]; ULONG max[1];HFAType Edms_State/34 bytes ULONG numvirtualblocks[1]; ULONG numobjectsperblock[1]; ULONG nextobjectnum[1]; ENUM compressionType[1]; no compression=0 RLC compression=1 Edms_VirtualBlockInfo p blockinfo[0]; Edms_FreeIDList p freelist[0]; TIME modTime[1];HFAType Eimg_Layer_SubSample/20 bytes ULONG width[1]; ULONG height[1]; ENUM layerType[1]; thematic=0 athematic=1 fft of real-valued data=2 ENUM pixelType[1]; u1=0 u2=1 u4=2 u8=3 s8=4 u16=5 s16=6 u32=7 s32=8 f32=9 f64=10 c64=11 c128=12 ULONG blockWidth[1]; ULONG blockHeight[1];HFAType Eimg_Layer/20 bytes ULONG width[1]; ULONG height[1]; ENUM layerType[1]; thematic=0 athematic=1 fft of real-valued data=2 ENUM pixelType[1]; u1=0 u2=1 u4=2 u8=3 s8=4 u16=5 s16=6 u32=7 s32=8 f32=9 f64=10 c64=11 c128=12 ULONG blockWidth[1]; ULONG blockHeight[1];HFAType Eprj_Datum/26 bytes UCHAR p datumname[0]; ENUM type[1]; EPRJ_DATUM_PARAMETRIC=0 EPRJ_DATUM_GRID=1 EPRJ_DATUM_REGRESSION=2 DOUBLE p params[0]; UCHAR p gridname[0];HFAType Eprj_Spheroid/40 bytes UCHAR p sphereName[0]; DOUBLE a[1]; DOUBLE b[1]; DOUBLE eSquared[1]; DOUBLE radius[1];HFAType Eprj_ProParameters/42 bytes ENUM proType[1]; EPRJ_INTERNAL=0 EPRJ_EXTERNAL=1 ULONG proNumber[1]; UCHAR p proExeName[0]; UCHAR p proName[0]; ULONG proZone[1]; DOUBLE p proParams[0]; Eprj_Spheroid * proSpheroid[1];HFAType Eprj_Coordinate/16 bytes DOUBLE x[1]; DOUBLE y[1];HFAType Eprj_Size/16 bytes DOUBLE width[1]; DOUBLE height[1];HFAType Eprj_MapInfo/40 bytes UCHAR p proName[0]; Eprj_Coordinate * upperLeftCenter[1]; Eprj_Coordinate * lowerRightCenter[1]; Eprj_Size * pixelSize[1]; UCHAR p units[0];HFAType Esta_Statistics/48 bytes DOUBLE minimum[1]; DOUBLE maximum[1]; DOUBLE mean[1]; DOUBLE median[1]; DOUBLE mode[1]; DOUBLE stddev[1];HFAType Esta_SkipFactors/8 bytes ULONG skipFactorX[1]; ULONG skipFactorY[1];HFAType Edsc_Table/4 bytes ULONG numRows[1];HFAType Edsc_Column/14 bytes ULONG numRows[1]; LONG columnDataPtr[1]; ENUM dataType[1]; integer=0 real=1 complex=2 string=3 ULONG maxNumChars[1];HFAType Egda_BaseData/12 bytes ULONG numrows[1]; ULONG numcolumns[1]; ENUM datatype[1]; EGDA_TYPE_U1=0 EGDA_TYPE_U2=1 EGDA_TYPE_U4=2 EGDA_TYPE_U8=3 EGDA_TYPE_S8=4 EGDA_TYPE_U16=5 EGDA_TYPE_S16=6 EGDA_TYPE_U32=7 EGDA_TYPE_S32=8 EGDA_TYPE_F32=9 EGDA_TYPE_F64=10 EGDA_TYPE_C64=11 EGDA_TYPE_C128=12 ENUM objecttype[1]; EGDA_SCALAR_OBJECT=0 EGDA_TABLE_OBJECT=1 EGDA_MATRIX_OBJECT=2 EGDA_RASTER_OBJECT=3HFAType Edsc_BinFunction/30 bytes ULONG numBins[1]; ENUM binFunctionType[1]; direct=0 linear=1 logarithmic=2 explicit=3 DOUBLE minLimit[1]; DOUBLE maxLimit[1]; BASEDATA * binLimits[1];HFAType Eaoi_AreaOfInterest/10 bytes ULONG version[1]; ULONG numobjects[1]; ENUM operation[1]; EAOI_UNION=0 EAOI_INTERSECTION=1root(root) 0 @ 0 Band_1(Eimg_Layer) 20 @ 1059 + width = 128 + height = 128 + layerType = athematic + pixelType = u8 + blockWidth = 64 + blockHeight = 64 Descriptor_Table(Edsc_Table) 4 @ 19022 + numRows = 256 #Bin_Function#(Edsc_BinFunction) 30 @ 19158 + numBins = 256 + binFunctionType = direct + minLimit = 0.000000 + maxLimit = 255.000000 Histogram(Edsc_Column) 14 @ 21364 + numRows = 256 + columnDataPtr = 19188 + dataType = real + maxNumChars = 0 Skip_Factors(Esta_SkipFactors) 8 @ 21506 + skipFactorX = 1 + skipFactorY = 1 Statistics(Esta_Statistics) 48 @ 18710 + minimum = 10.000000 + maximum = 130.000000 + mean = 46.668945 + median = 46.000000 + mode = 47.000000 + stddev = 10.741155 Skip_Factors(Esta_SkipFactors) 8 @ 18886 + skipFactorX = 1 + skipFactorY = 1 Map_Info(Eprj_MapInfo) 115 @ 18467 + proName = `Transverse Mercator' + upperLeftCenter = + x = 430985.000000 + y = 3727759.000000 + lowerRightCenter = + x = 434795.000000 + y = 3723949.000000 + pixelSize = + width = 30.000000 + height = 30.000000 + units = `meters' Projection(Eprj_ProParameters) 173 @ 17949 + proType = EPRJ_INTERNAL + proNumber = 9 + proName = `Transverse Mercator' + proZone = 0 + proParams[0] = 0.000000 + proParams[1] = 0.000000 + proParams[2] = 0.999600 + proParams[3] = 0.000000 + proParams[4] = -2.042035 + proParams[5] = 0.000000 + proParams[6] = 500000.000000 + proParams[7] = 0.000000 + proSpheroid = + sphereName = `WGS 84' + a = 6378137.000000 + b = 6356752.314245 + eSquared = 0.006694 + radius = 6371007.180918 Datum(Eprj_Datum) 89 @ 18250 + datumname = `WGS 84' + type = EPRJ_DATUM_PARAMETRIC + params[0] = 0.000000 + params[1] = 0.000000 + params[2] = 0.000000 + params[3] = 0.000000 + params[4] = 0.000000 + params[5] = 0.000000 + params[6] = 0.000000 RasterDMS(Edms_State) 94 @ 17727 + numvirtualblocks = 4 + numobjectsperblock = 4096 + nextobjectnum = 16384 + compressionType = no compression + blockinfo[0] = + fileCode = 0 + offset = 1215 + size = 4096 + logvalid = true + compressionType = no compression + blockinfo[1] = + fileCode = 0 + offset = 5311 + size = 4096 + logvalid = true + compressionType = no compression + blockinfo[2] = + fileCode = 0 + offset = 9407 + size = 4096 + logvalid = true + compressionType = no compression + blockinfo[3] = + fileCode = 0 + offset = 13503 + size = 4096 + logvalid = true + compressionType = no compression + modTime = -595591168 Ehfa_Layer(Ehfa_Layer) 6 @ 1207 + type = raster + dictionaryPtr = 21522

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