geoway數(shù)據(jù)交換格式(存儲版)
【正文】 Char（字符型） 1 – 255 Integer（整數(shù)型） 0 Boolean（布爾型） 0 Float（浮點(diǎn)型） 1 – 20(小數(shù)位數(shù)) Date（日期型） 04. 屬性內(nèi)容（通過ID與圖形部分關(guān)聯(lián)）Attribute Begin*[Layer1’s Name]ID1, Attri1, Attri2, Attri3, … AttrinID2, Attri1, Attri2, Attri3, … AttrinID3, Attri1, Attri2, Attri3, … Attrin…IDn, Attri1, Attri2, Attri3, … Attrin[Layer2’s Name]ID1, Attri1, Attri2, Attri3, … AttrinID2, Attri1, Attri2, Attri3, … AttrinID3, Attri1, Attri2, Attri3, … Attrin…IDn, Attri1, Attri2, Attri3, … Attrin[…][Layern’s Name]ID1, Attri1, Attri2, Attri3, … AttrinID2, Attri1, Attri2, Attri3, … AttrinID3, Attri1, Attri2, Attri3, … Attrin…IDn, Attri1, Attri2, Attri3, … AttrinAttribute End*五、 表現(xiàn)部分(.GWD)1. 文件標(biāo)識Geoway Standard File Format of Exchange[Display]*2. 符號定義SymbolDefine Begin*[SymbolLib]System = GeowaySymbolFile = [SymbolDescript]//符號定義與描述[可選]（提供API接口函數(shù)）SymbolDefine End*3. 圖形表現(xiàn)定義DisplayDefine Begin*[Layer1’s Name]PointShape = point_shapePointSize = point_size(單位：圖上毫米)LineShape = line_shape(0~3SOLID,4 DASH,5 DOT,6 DASHDOT,7 DASHDOTDOT)LineWidth = line_width(單位：圖上毫米)FillShape =fill_shape（0SOLID,1HATCH_BDIAGONAL,2HATCH_CROSS,3HATCH_DIAGCROSS,4HATCH_FDIAGONAL,5HATCH_HORIZONTAL,6HATCH_VERTICAL）FillTransparent = 0 / 1AnnoBold = 0 / 1AnnoSongjian = 0 / 1 / 2（0不聳肩，1左聳，2右聳）AnnoXieti = 0 / 1 / 2（0不斜，1左斜，2右斜）AnnoXiahua = 0 / 1AnnoZhonghua = 0 / 1AnnoZhuozhong = 0 / 1Class1’s Name BeginPointShape = point_shapePointSize = point_size(單位：圖上毫米)LineShape = line_shape(0~3SOLID,4 DASH,5 DOT,6 DASHDOT,7 DASHDOTDOT)LineWidth = line_width(單位：圖上毫米)FillShape =fill_shape（0SOLID,1HATCH_BDIAGONAL,2HATCH_CROSS,3HATCH_DIAGCROSS,4HATCH_FDIAGONAL,5HATCH_HORIZONTAL,6HATCH_VERTICAL）FillTransparent = 0 / 1AnnoBold = 0 / 1AnnoSongjian = 0 / 1 / 2（0不聳肩，1左聳，2右聳）AnnoXieti = 0 / 1 / 2（0不斜，1左斜，2右斜）AnnoXiahua = 0 / 1AnnoZhonghua = 0 / 1AnnoZhuozhong = 0 / 1SID = PointSymbolID,LineSymbolID,FaceSymbolIDClass1’s Name EndClass2’s Name Begin…Class2’s Name End[Layer2’s Name]……DisplayDefine End*4. 圖形表現(xiàn)Display Begin*[Layer1’s Name]ID = id1,Type,SymbolAttributeCount[,SID] （Type: 0點(diǎn)，1線，2面，3注記）PointShape[,PointSize] (當(dāng)對象為點(diǎn)狀,且地物編碼為0時或所在層為符號化圖層)LineShape,LineWidth[,FillShape,FillTransparent] (當(dāng)對象為線狀,且地物編碼為0時或所在層為符號化圖層)AnnoBold,AnnoXieti,AnnoXiahua,AnnoSongjian,AnnoZhonghua,AnnoZhuozhong (當(dāng)對象為注記，且地物編碼為0時或所在層為符號化圖層)符號屬性名1 : 符號屬性值 ［ , 順序號 ］符號屬性名2 : 符號屬性值 ［ , 順序號 ］符號屬性名3 : 符號屬性值 ［ , 順序號 ］………………………….………………………….…………………………..符號屬性名n : 符號屬性值 ［ , 順序號 ］ID = idn,Type,SymbolAttributeCount[,SID] （Type: 0點(diǎn)，1線，2面，3注記）…[Layer2’s Name]…Display End*注：以上格式中，順序號是用于區(qū)分同類符號屬性的重復(fù)描述。符號終止高度( ，long型數(shù)據(jù)類型 )LINEWIDTH 。暈線填充間距（long型， ）LINEFILLOFFSET 。點(diǎn)填充縱向間距（long型， ）附錄：樣例Geoway Standard File Format of ExchangeFileHeader Begin[Version Info]Version = [Projection Info][Coordinate Info]CoorUnit = MCoorOffset = ,[Description][Map Info]MapNumber = i50143(31)MapName = i5014331MapScale = 10000[User Defined]FileHeader EndLayerDefine Begin[Layer Count]Count = 6hydnt(水系)Respy(房屋)hydln(水系附屬)re
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