KALVIN JONSHON 标志的几何构造
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① 本范例演示如何利用 GeoGebra 的几何工具构造一个名为“KALVIN JONSHON”的平面标志图形,涉及直线、圆、多边形、向量与二次函数等多种元素的组合。② 核心数学概念包括二维向量、角、圆、四边形、二次函数、旋转、分段函数、面积以及平面图形,体现了几何与代数在图形设计中的综合应用。③ 作图要点:从构造摘要可见,使用了 LineBisector(角平分线)、Line(直线)、OrthogonalLine(垂线)、Vector(向量)、OrthogonalVector(法向量)、Intersect(交点)、Mirror(镜像)、Polygon(多边形)等命令,并创建了 e_2、e_1、B、A、m、s、b、u、v、F、f、A_1、l、I、f'、D、i、E、G、H、k、K、t、r、j、g、C 等大量对象,以及多个文本和辅助点,通过精确的几何关系构建出标志的轮廓与内部结构。④ 适合高中或大学低年级的数学与几何绘图课程,也可用于平面设计中的数学原理教学,帮助学生理解几何变换、向量运算和函数图像在图形创作中的实际应用。
GeoGebra 命令及参数
LineBisector(A, B) → mLine(A, B) → sOrthogonalLine(A, s) → bVector(A, B) → uOrthogonalVector(u) → vOrthogonalLine(F, b) → fLineBisector(A_1, A) → lIntersect(m, l) → IMirror(f, l) → f'OrthogonalLine(D, s) → iIntersect(i, f') → EOrthogonalLine(H, i) → kOrthogonalLine(G, b) → tOrthogonalLine(A_1, b) → rOrthogonalLine(K, l) → jOrthogonalLine(B, u, xOyPlane) → gIntersect(g, r) → CMirror(f, l) → f'_1Mirror(F, l) → F'Polygon(A_1, C, B, A) → c4, a_1, c_3, b_2, a_2Intersect(m, f') → JIntersect(m, k) → MLineBisector(A, B) → nMirror(i, n) → i'Intersect(n, f) → OLine(R, k) → hLine(S, h) → pLine(T, h) → qLine(L, q) → aLine(U, a) → cIntersect(j, c) → NOrthogonalLine(P, r) → dLine(Q, d) → eLine(V, e) → f_1Line(W, f_1) → g_1Line(O, N) → h_1Line(E, h_1) → i_1Line(E, N) → j_1Line(G, i_1) → k_1Line(H, i_1) → l_1Line(R, i_1) → m_1Line(S, i_1) → n_1Line(T, n_1) → p_1Line(L, i_1) → q_1Line(U, i_1) → r_1Intersect(j_1, k_1) → ZIntersect(j_1, l_1) → B_1Intersect(j_1, m_1) → C_1Intersect(j_1, n_1) → D_1Intersect(j_1, p_1) → E_1Intersect(j_1, q_1) → F_1Intersect(j_1, r_1) → G_1Intersect(n, n_1) → L_1Intersect(n, p_1) → M_1Intersect(n, q_1) → N_1Intersect(n, r_1) → O_1Line(P_1, n) → s_1Intersect(s_1, i_1) → H_1Intersect(s_1, k_1) → I_1Intersect(s_1, l_1) → J_1Intersect(s_1, m_1) → K_1Polygon(E, H_1, I_1, Z) → c1, e_3, t_1, b_1, z_1Intersect(d, l_1) → Q_1Intersect(d, m_1) → R_1Intersect(d, n_1) → S_1Intersect(d, p_1) → T_1Intersect(d, q_1) → U_1Intersect(d, r_1) → V_1Polygon(Q_1, R_1, C_1, B_1) → c2, c_1, d_1, f_2, g_2Polygon(S_1, D_1, E_1, T_1) → c3, h_2, i_2, j_2, k_2Polygon(V_1, U_1, F_1, G_1) → c5, v_1, u_1, l_2, m_2Intersect(e, r_1) → W_1Intersect(e, q_1) → Z_1Polygon(Z_1, N_1, O_1, W_1) → c6, n_2, p_2, o_1, w_1Intersect(g_1, l_1) → A_2Intersect(g_1, m_1) → B_2Polygon(A_2, J_1, K_1, B_2) → c7, q_2, r_2, s_2, t_2Intersect(k_1, e) → C_2Intersect(f_1, k_1) → D_2Intersect(p_1, e) → E_2Intersect(n_1, f_1) → F_2Polygon(E_2, M_1, L_1, F_2, D_2, C_2) → polígono1, c_2, d_2, f_3, g_3, h_3, i_3Mirror(E, n) → E'Mirror(H_1, n) → G_2Mirror(I_1, n) → H_2Mirror(Z, n) → Z'Polygon(E', G_2, H_2, Z') → c1', e', j_3, k_3, z'Mirror(Q_1, n) → I_2Mirror(R_1, n) → J_2Mirror(C_1, n) → K_2Mirror(B_1, n) → L_2Polygon(I_2, J_2, K_2, L_2) → c2', l_3, m_3, n_3, p_3Mirror(S_1, n) → M_2Mirror(D_1, n) → N_2Mirror(E_1, n) → O_2Mirror(T_1, n) → P_2Polygon(M_2, N_2, O_2, P_2) → c3', q_3, r_3, o_2, s_3Mirror(V_1, n) → Q_2Mirror(U_1, n) → R_2Mirror(F_1, n) → S_2Mirror(G_1, n) → T_2Polygon(Q_2, R_2, S_2, T_2) → c5', t_3, b_3, d_3, f_4Mirror(Z_1, n) → U_2Mirror(N_1, n) → V_2Mirror(O_1, n) → W_2Mirror(W_1, n) → Z_2Polygon(U_2, V_2, W_2, Z_2) → c6', u_2, v_2, w_2, z_2Mirror(A_2, n) → A_3Mirror(J_1, n) → B_3Mirror(K_1, n) → C_3Mirror(B_2, n) → D_3Polygon(A_3, B_3, C_3, D_3) → c7', g_4, h_4, i_4, j_4Mirror(E_2, n) → E_3Mirror(M_1, n) → F_3Mirror(L_1, n) → G_3Mirror(F_2, n) → H_3Mirror(D_2, n) → I_3Mirror(C_2, n) → J_3OrthogonalLine(A_3, f'_1) → k_4Mirror(p_1, n) → l_4Mirror(n_1, n) → m_4Intersect(k_4, m_4) → K_3Intersect(k_4, l_4) → L_3Polygon(G_3, K_3, L_3, F_3) → c8, n_4, p_4, q_4, r_4OrthogonalLine(I_3, k) → s_4Mirror(q_1, n) → t_4Intersect(s_4, t_4) → M_3Polygon(I_3, J_3, U_2, M_3) → c9, a_4, b_4, c_4, d_4