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各位大虾帮帮我，小弟跪谢了（arx编程画多条直线与圆弧的问题）我是个新新新手，刚接触arx一个星期，毕业设计做这个，以前从没接触过，我感觉好复杂，可是这个任务还是要完成的，请各位大哥帮帮我，我现在这个搞不懂：
我现在在c:盘下有这个文件：（因为我不知道arx中圆弧怎么画需要什么信息所以用省略号代替了，我不太懂）
linexs=0,ys=0,xe=20,ye=80)
arcxs=20,ys=80,xe=40,ye=20.....)
linexs=0,ys=0,xe=20,ye=80)
linexs=0,ys=0,xe=20,ye=80)
arcxs=5,ys=404,xe=40,ye=20.....)
arcxs=20,ys=80,xe=40,ye=20.....)
..........................................
现在我想在arx中编程(我用的是arx2000与2000 )实现这个功能：让autocad加载了我这个arx程序后能自动画出这些首尾相接的直线和圆弧的图形，其实就是数控机床中的图形预览功能（就是输入坐标点能在autocad中看到相应的图形。图中坐标点我没有正确的给出，因为我对圆弧怎么命令还不怎么懂），是不是只要把环境编译好了后在command.cpp中修改下就可以啦？我在command.cpp中编了个这样的可是没有用：
/////////////////////////////////////////////
// ObjectARX defined commands
#include "StdAfx.h"
#include
#include
#include
#include
// This is command 'ZDPOINT'
void hemaarxzdpoint()
{
int x1,y1,x2,y2,x3,y3,x4,y4;
char str[4];
FILE *fp;
fp=fopen("c:/zuobiao.txt", "r");
while(!feof(fp))
{
fgets(str,4,fp);
switch (str);
case 'line';
{
fscanf(fp, "linexs=%d,ys=%d,xe=%d,ye=%d)\n", &x1, &y1, &x2, &y2);
AcGePoint3d startPt(x1,y1,0.0);
AcGePoint3d endPt(x2,y2,0.0);
AcDbLine *pLine = new AcDbLine(startPt,endPt);
AcDbDatabase *pCurDb;
pCurDb = acdbHostApplicationServices()->workingDatabase();
AcDbBlockTable *pBlockTable;
pCurDb->getBlockTable(pBlockTable,AcDb::kForRead);
AcDbBlockTableRecord *pBlockTableRecord;
pBlockTable->getAt(ACDB_MODEL_SPACE, pBlockTableRecord,AcDb::kForWrite);
pBlockTable->close();
AcDbObjectId lineId;
pBlockTableRecord->appendAcDbEntity(lineId,pLine);
pBlockTableRecord->close();
pLine->close();
//return lineId;
}
break;
case 'arc';
{
fscanf(fp, "arcxs=%d,ys=%d,xe=%d,ye=%d.........)\n", &x3, &y3, &x4, &y4);
// AcGePoint3d startPt(x3,y3,0.0);
// AcGePoint3d endPt(x4,y4,0.0);
///AcDbLine *pLine = new AcDbLine(startPt,endPt);
AcDbDatabase *pCurDb;
pCurDb = acdbHostApplicationServices()->workingDatabase();
AcDbBlockTable *pBlockTable;
pCurDb->getBlockTable(pBlockTable,AcDb::kForRead);
AcDbBlockTableRecord *pBlockTableRecord;
pBlockTable->getAt(ACDB_MODEL_SPACE, pBlockTableRecord,AcDb::kForWrite);
pBlockTable->close();
AcDbObjectId lineId;
pBlockTableRecord->appendAcDbEntity(lineId,pLine);
pBlockTableRecord->close();
pLine->close();
//return lineId;
}
break;
default
{
printf ("读取错误,请重新输入加工指令!");
}
}
fclose(fp);
}
程序有许多问题，我只是给出我的框架，说实话，连c语言和c++我也是做这个毕业设计时刚刚自学的，请各位大哥教教我，真心谢谢各位了！
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置顶卡
