図形のコピー: 作図例92 内接円と外接円 ヘルプ

ドット数(幅高)形式(gifjpg)
set_scale($scale = 10, $org_x_percent = 50, $org_y_percent = 50); function f_out($ax, $ay, $bx, $by, $cx, $cy) { calc_circumscribed_circle($ax, $ay, $bx, $by, $cx, $cy, $cent_x, $cent_y, $r); allocate_color('black'); draw_marked_triangle($ax, $ay, $bx, $by, $cx, $cy, $type_a = 1, $type_b = 0, $type_c = 0, $text_a = '', $text_b = '', $text_c = '', $text_ops_a = 'A', $text_ops_b = 'B', $text_ops_c = 'C', $italic = true, $italic_ops = false, 10); allocate_color('red'); draw_circle($cent_x, $cent_y, $r); allocate_color('black'); $dx = $bx + 2 * ($cent_x - $bx); $dy = $by + 2 * ($cent_y - $by); draw_marked_triangle($dx, $dy, $bx, $by, $cx, $cy, $type_a = 1, $type_b = 0, $type_c = 3, $text_a = '', $text_b = '', $text_c = '', $text_ops_a = 'D', $text_ops_b = '', $text_ops_c = '', $italic = true, $italic_ops = false, $r = 10); draw_text('o', $cent_x, $cent_y, O_POS_UP_LEFT); draw_arc_mark($tx, $ty, $dx, $dy, $bx, $by, $text = '2R', $italic = true, $arc_type = ARC_TYPE_DASH, $width_rate = 1, $text_hole_rate = 3); draw_arc_mark($tx, $ty, $bx, $by, $cx, $cy, $text = 'a', $italic = true, $arc_type = ARC_TYPE_NONE, $width_rate = 1, $text_hole_rate = 3); draw_text('外接円', $ax - 2, $ay + 1, O_POS_LOW_RIGHT); } $ox = -5.5; $oy = 5.5; $r = 7; $ax = $ox + $r * cos(deg2rad(100)); $ay = $oy + $r * sin(deg2rad(100)); $bx = $ox + $r * cos(deg2rad(200)); $by = $oy + $r * sin(deg2rad(200)); $cx = $ox + $r * cos(deg2rad(340)); $cy = $oy + $r * sin(deg2rad(340)); f_out($ax, $ay, $bx, $by, $cx, $cy); function f_in($ax, $ay, $bx, $by, $cx, $cy) { calc_inscribed_circle($ax, $ay, $bx, $by, $cx, $cy, $cent_x, $cent_y, $r, $px, $py, $qx, $qy, $rx, $ry); allocate_color('black'); draw_marked_triangle($ax, $ay, $bx, $by, $cx, $cy, $type_a = 0, $type_b = 0, $type_c = 0, $text_a = '', $text_b = '', $text_c = '', $text_ops_a = 'A', $text_ops_b = 'B', $text_ops_c = 'C', $italic = true, $italic_ops = false, 10); draw_arc_mark($tx, $ty, $bx, $by, $cx, $cy, $text = 'a', $italic = true, $arc_type = ARC_TYPE_NONE, $width_rate = 1, $text_hole_rate = 3); draw_arc_mark($tx, $ty, $cx, $cy, $ax, $ay, $text = 'b', $italic = true, $arc_type = ARC_TYPE_NONE, $width_rate = 1, $text_hole_rate = 3); draw_arc_mark($tx, $ty, $ax, $ay, $bx, $by, $text = 'c', $italic = true, $arc_type = ARC_TYPE_NONE, $width_rate = 1, $text_hole_rate = 3); allocate_color('red'); draw_circle($cent_x, $cent_y, $r); draw_line($cent_x, $cent_y, $px, $py); draw_line($cent_x, $cent_y, $qx, $qy); draw_line($cent_x, $cent_y, $rx, $ry); draw_corner_mark($px, $py, $cx, $cy, $cent_x, $cent_y, $type = 1, $text = '', $italic = true, $text_ops = '', $italic_ops = false, 10); draw_corner_mark($qx, $qy, $ax, $ay, $cent_x, $cent_y, $type = 1, $text = '', $italic = true, $text_ops = '', $italic_ops = false, 10); draw_corner_mark($rx, $ry, $bx, $by, $cent_x, $cent_y, $type = 1, $text = '', $italic = true, $text_ops = '', $italic_ops = false, 10); draw_arc_mark($tx, $ty, $cent_x, $cent_y, $rx, $ry, $text = 'r', $italic = true, $arc_type = ARC_TYPE_DASH, $width_rate = 1, $text_hole_rate = 2); allocate_color('blue'); calc_foot_of_perpendicular_line($fx, $fy, $cx, $cy, $ax, $ay, $bx - $ax, $by - $ay); draw_line($cx, $cy, $fx, $fy); draw_corner_mark($fx, $fy, $bx, $by, $cx, $cy, $type = 1, $text = '', $italic = true, $text_ops = '', $italic_ops = false, 10); $kx = ($cx * 4 + $fx) / 5; $ky = ($cy * 4 + $fy) / 5; $lx = ($cx * 9 + $fx) / 10; $ly = ($cy * 9 + $fy) / 10; $ux = $lx - $kx; $uy = $ly - $ky; rot90_vec($ux, $uy, $vx, $vy); $tx = $lx + 2 * $vx; $ty = $ly + 2 * $vy; calc_2p_arc($kx, $ky, $tx, $ty, $r / 8, $cx1, $cy1, $r1, $sa1, $ea1); draw_arc($cx1, $cy1, $r1, $sa1, $ea1); draw_formula($formula_text = 'b sin A', $size = 12, $tx, $ty, $o_pos = O_POS_MIDDLE_RIGHT); draw_text('内接円', $qx - 5, $qy, O_POS_LOW_RIGHT); } f_in($ax = -5, $ay = -13, $bx = 13, $by = -13, $cx = 10, $cy = 1);
テンプレートを選択するとプログラムに追加されます。 set_scale(...); allocate_color('black'); allocate_color('gray'); allocate_color('red'); allocate_color('blue'); allocate_color('green'); allocate_color('purple'); allocate_bgcolor('white'); transparent_bgcolor(); set_thick($thick = 1); set_dashlen($dashlen = 7); set_arrow_size(...); draw_line(...); draw_horizontal($y); draw_vertical($x); draw_dash_line(...); draw_rect(...); draw_arrow_head(...); draw_xaxis(...); draw_yaxis(...); draw_xyaxis(); draw_circle(...); draw_arc_deg(...); draw_arc(...); draw_dash_arc(...); M_PI = 3.1415926535898 M_PI_2 = pi/2 M_PI_4 = pi/4 fill_rect(...); fill_circle(...); fill_arc_deg(...); fill_triangle(...); fill_quadrangle(...); fill_polygon(); fill_toborder($x, $y, $border_color_x, $border_color_y); allocate_text_color('black'); allocate_text_color('gray'); allocate_text_color('red'); allocate_text_color('blue'); allocate_text_color('green'); allocate_text_color('purple'); allocate_text_bgcolor('white'); transparent_text_bgcolor(); set_text_size($text_size); set_text_margin($text_margin); set_mark_size($mark_size); draw_text(...); O_POS_LOW_LEFT O_POS_LOW_RIGHT O_POS_UP_RIGHT O_POS_UP_LEFT O_POS_LOW_CENTER O_POS_MIDDLE_RIGHT O_POS_UP_CENTER O_POS_MIDDLE_LEFT O_POS_MIDDLE_CENTER get_o_pos_by_ang($ang); draw_formula(...); ARC_TYPE_NONE ARC_TYPE_SOLID ARC_TYPE_DASH BEG_TYPE_ARROW END_TYPE_ARROW draw_arc_mark(...); draw_corner_mark(...); draw_marked_triangle(...); CMARK_NONE 0 CMARK_1_ARC 1 CMARK_2_ARC 2 CMARK_D_ARC 3 CMARK_1_PIE 4 CMARK_2_PIE 5 CMARK_D_PIE 6 CMARK_SQUARE CMARK_CROSS CMARK_CIRCLE CMARK_DOT draw_mark(...); draw_mark_on_line(...); draw_mark_on_circle(...); MARK_1_LINE MARK_2_LINE MARK_3_LINE MARK_SQUARE MARK_CROSS MARK_CIRCLE MARK_DOT set_x_def_range(...); df1_ax_b($a, $b); df1_x_y($x, $y); df1_2p($x1, $y1, $x2, $y2); df2_ax2_bx_c(...); df2_ax_p2_q(...); df2_a_x_al_x_be(...); df_y_fx($y_fx); df_xt_yt(...); unit_vector(...); calc_angle(...); normalize_ang($ang); calc_da(...); calc_intersec_pt_of_lines(...); calc_intersec_pt_of_lns(...); rot90_vec(...); rot_vec(...); calc_perpendicular_bisector(...); calc_distance(...); calc_circumscribed_circle(...); calc_didtance_to_line(...); calc_foot_of_perpendicular_line(...); calc_parallel_line(...); calc_foot_of_perpendicular_circle(...); calc_intersec_pts_of_line_circle(...); calc_intersec_pts_of_circles(...); calc_inscribed_circle(...); calc_2p_arc(...); calc_3dview(...); clear_canvas(); set_alphablending($alpha = 50); set_antialias($antialias = true); transparent_gif_bgcolor(); xf($x) x_rev($x) yf($y) y_rev($y)
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