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[2D Graphic] CalcQieDian DL : 0: 过圆外一点求一个与圆相切的圆的切点，切园的半径已知-Round-off point outside the circle for a circle tangent to the cut-off point, cut park known radius
Date : 2025-12-31 Size : 1kb User : 李智信
[2D Graphic] CalcQieDian2 DL : 0: 圆心(a,b),半径r 圆外一点坐标(m,n) 求其切点的坐标(x,y)-Center of a circle (a, b), outer radius r circle point coordinates (m, n) for its cut-point coordinates (x, y)
Date : 2025-12-31 Size : 1kb User : 李智信
[2D Graphic] graphic DL : 0: 现图形学中画直线，园和圆弧以及直线裁剪，区域填充等功能 1．对于画直线，只需知道起点和终点即可。在工作区间中按下鼠标（即选择起点），拖动至另一处松开（终点），即得到直线。 2．画圆需要圆心坐标、半径、及起始角和终止角，至于实验要求的画1/4圆弧，可设起始角=0，终止角=45，若要画整个圆弧起始角和终止角分别为0和360即可。-Graphics are painting a straight line, arc, as well as garden and cut a straight line, filled with features such as region 1. For painting a straight line, just know that you can start and finish. Interval in the work of the mouse click (that is, to choose the starting point), drag to another release (the end), that is to be a straight line. 2. Drawcircle need to center coordinates, radius, and the termination of the initial angle and angle, as required by experimental painting 1/4 arc, the starting angle can be set = 0, terminate the angle = 45, in order to draw the whole arc start angle and termination angle is 0 and 360, respectively, can be.
Date : 2025-12-31 Size : 2.01mb User : aeyoung
[2D Graphic] ArcPartDemo DL : 0: 计算圆弧上n个等分点的坐标的函数，及使用示例代码，VC环境，属于二维图形基础算法，加有详细的注释。输入：圆心,起点,终点,半径,旋转方向,点数量n。输出：圆弧上n个等分点坐标的数组, 说明：输出的起点序号为0，终点序号为n-1 -Calculate arc n are equally a function of the coordinates of points, and use the sample code, VC environment, belonging to two-dimensional graph-based algorithms, plus detailed notes. Input: center of a circle, starting point, end point, radius, rotation direction, the number of points, n. Output: arc on the n are equally point coordinates array Note: the starting point of the output number is 0, destination sequence number for the n-1
Date : 2025-12-31 Size : 45kb User : wsadfg
[2D Graphic] HW4 DL : 0: 基于C++MFC下的，已知起始角度与终止角度，圆心，半径下画任意圆弧的算法实现-Based C++MFC under, known starting point and ending point, circle, arc radius painting arbitrary algorithm
Date : 2025-12-31 Size : 3.37mb User : 安安
[2D Graphic] CadSurf DL : 0: 实现图形学中画直线，园和圆弧以及直线裁剪，区域填充等功能 1．对于画直线，只需知道起点和终点即可。在工作区间中按下鼠标（即选择起点），拖动至另一处松开（终点），即得到直线。 2．画圆需要圆心坐标、半径、及起始角和终止角，至于实验要求的画1/4圆弧，可设起始角=0，终止角=45，若要画整个圆弧起始角和终止角分别为0和360即可。 3．椭圆需要的参数更多，有椭圆中心坐标、长轴、短轴、长轴和X轴正向夹角、及起始离心角和终止离心角，要画整个椭圆还是部分椭圆只需控制起始和终止离心角。与画圆弧类似，具体说明源程序中也有。 4．直线裁减实现的功能是：给定任一条直线（由两点控制），对任一矩形，裁减直线落在矩形内部的一段，但是本程序并没有真正把该部分裁掉，只是用红色把它显示出来，也就是说，红色部分就是被矩形裁减掉的部分。-The realization of graphics drawing a straight line, park and circular arc and straight line cutting, filled with features such as region 1 to draw a straight line, only need to know the starting point and end point can be. Press the mouse in the working interval (i.e. choosing starting point), drag to another release (the end), that is to be a straight line. The 2 circle center coordinates and radius, need, start angle and end angle, as far as the experimental requirements of painting 1/4 arc, can set the starting angle end angle =0, =45, to draw the entire arc starting angle and termination angle are respectively 0 and 360 can be. More parameters need 3 elliptic, with ellipse center coordinates, long axis, short axis, long axis and the positive X axis angle, and the initial eccentric angle and termination of centrifugal angle, to draw the whole or part of the ellipse ellipse only need to control the initiation and termination of eccentric angle. Similar to an arc, a specific descript
Date : 2025-12-31 Size : 1kb User : 邹皓