mapgis6.7二次开发vc6_demo 之五(输出VCT函数之表属性段)

mapgis6.7二次开发vc6_demo 之五(输出VCT函数之表属性段)

////////////////////////////////////////////// // //输出vct属性值 version=1, topo=0 //vp:hsg //create date:2012-04-20 // ////////////////////////////////////////////// #include "stdafx.h" #include "resource.h" #include <math.h> #include "win_area.h" #include "win_oper.h" #include "map_out.h" #include "demo.h" //------------------------------------------------------- extern char* AppTitle; //应用程序名称 extern AREA_HINST AHInst; extern HWND MainWnd; //主窗口句柄 extern HWND GrpWnd; //图形窗口句柄 //------------------------------------------------------- //------------------------------------------------------------ //define function style OutVctAttributeBeginEnd.cpp /* bool OutVctAttributeBeginEnd(short *ptALst); //输出vct属性值 */ //------------------------------------------------------------ //输出vct属性值 OK bool OutVctAttributeBeginEnd(short *ptALst) { bool rbc = false; short ai; char* GeoVctType = ""; char* FeatClassName = ""; char* FeatureCode = ""; char* FeatureName = ""; long i,ln; short LayerType; //this.ShowMsg(this, "正在输出属性值信息"); //输出属性值 f_WriteLine("AttributeBegin"); for(int k=1;k<=ptALst[0];k++) { //获取一个工作区 ai=ptALst[k]; //获取图层类型 LayerType=_GetAreaType(ai); switch(LayerType) { case LIN: _GetLinNum(ai,&i,&ln); //获取线层总个数 break; case REG: _GetRegNum(ai,&i,&ln); //获取面层总个数 break; case PNT: _GetPntNum(ai,&i,&ln); //获取点层总个数 break; default: break; } GeoVctType=GetGeoVctType(ai); //获取工作区文件名 char* Lfilename=_GetAreaFileName(ai); // FeatClassName =getfilenameNoExt_lc(Lfilename,"\\"); FeatureCode =FeatClassName;//a3u(GeoVctType,"_",i2cp(1)); FeatureName =FeatClassName;//FeatureCode; f_WriteLine(FeatClassName); if (ln > 0) { //有要素个数>0 char* AttrLine =NULL; char* fdval = NULL; long lineNum = 0; CATT_STRU *stru=NULL; char *att=NULL; short numbfield=0; short ret_gt; // for(i=1;i<ln;i++) //线要素总个数 { lineNum += 1; AttrLine = l2cp(lineNum); //获取属性值 ret_gt=_GetAtt(ai,LayerType,i,&stru,&att); short numbfield=stru->hd.numbfield; //字段个数 CFIELD_HEAD *pfd=stru[0].fldEntry; // for(short k=0;k<numbfield;k++) { //获取属性值的方法 fdval=new char[pfd[k].msk_leng]; memset(fdval,0,pfd[k].msk_leng); //_CvtFldToString(stru,att,k,fdval,pfd[k].msk_leng,NULL,NULL); _CvtFldToString1(stru,att,pfd[k].fieldname,fdval,pfd[k].msk_leng,NULL,NULL); // char* t_val=trim_lc(fdval); //去掉空格 if (strlen(AttrLine) <= 0) { AttrLine = t_val; } else { AttrLine =a3u(AttrLine,"," , t_val); } } f_WriteLine(AttrLine); if (lineNum % 100 == 0) { f_FlushFile(); } } } } f_WriteLine("TableEnd"); f_WriteLine(""); f_WriteLine("AttributeEnd"); //this.ShowMsg(this, "完成输出属性值信息"); f_FlushFile(); rbc = true; return rbc; } //
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