zoukankan      html  css  js  c++  java
  • struct resbuf 结构就象LISP里面的表(

    struct resbuf 结构就象LISP里面的表((LISP a b)(LISP a b)(LISP a b)(LISP a b).....) 之类的东东,主要是用来做一个对象的DXF组码链表,然后用来给别的涵数生成对象之类的处理,如果是生成对象的话我们可以不用struct resbuf结构来做,直用用对象类来生成啊.例如:

    LISP用DXF组码生成一个圆的代码:
    (setq Cirlist '((0 . "CIRCLE")(100 . "AcDbEntity")(100 . "AcDbCircle")(8 . "0")(40 . 0.8) (10 0 0 0)))
    (entmake Cirlist)

    ARX用struct resbuf 生成一个圆的代码:
      struct resbuf *Cirlist;
      ads_point PT1={0,0,0};
      Cirlist=acutBuildList(RTDXF0,"CIRCLE",100,"AcDbEntity",100,"AcDbCircle",8,"0",40,0.8,10,PT1,0);
      acdbEntMake(Cirlist);

    用ARX的类生成一个圆的代码:
    ads_real rad=3.0;
      AcGePoint3d Cpt(0,0,0);
      AcGeVector3d Vec(0,0,1);
      AcDbCircle *nc=new AcDbCircle();
      nc->setCenter(Cpt);
      nc->setRadius(rad);
      AcDbBlockTable *btable;
      acdbHostApplicationServices()->workingDatabase()->getSymbolTable(btable,AcDb::kForRead);
      AcDbBlockTableRecord *brecord;
      btable->getAt(ACDB_MODEL_SPACE,brecord,AcDb::kForWrite);
      brecord->appendAcDbEntity(nc);
      nc->close();
      btable->close();
      brecord->close();

  • 相关阅读:
    和为S的两个数字
    和为S的连续正数序列
    两个链表的第一个公共结点
    删除链表中重复的结点
    常用开发工具的安装(JDK、IDEA、Tomcat、Maven、Mysql和Nodepad++)——实习日志7.10
    蓄水池取样(转)
    prepare statement
    ProxySQL Getting started
    架构收录
    服务开机自启动
  • 原文地址:https://www.cnblogs.com/mjgw/p/12728582.html
Copyright © 2011-2022 走看看