図形のコピー: 三角形の垂心 ヘルプ

ドット数(幅高)形式(gifjpg)
set_scale($scale = 20, $org_x_percent = 0, $org_y_percent = 0); $cent_x = 5; $cent_y = 5; $rad = 4; $ax = $cent_x + $rad * cos(deg2rad(80)); $ay = $cent_y + $rad * sin(deg2rad(80)); $bx = $cent_x + $rad * cos(deg2rad(180+30)); $by = $cent_y + $rad * sin(deg2rad(180+30)); $cx = $cent_x + $rad * cos(deg2rad(360-30)); $cy = $cent_y + $rad * sin(deg2rad(360-30)); calc_foot_of_perpendicular_line($px, $py, $ax, $ay, $bx, $by, $cx - $bx, $cy - $by); calc_foot_of_perpendicular_line($qx, $qy, $bx, $by, $cx, $cy, $ax - $cx, $ay - $cy); calc_foot_of_perpendicular_line($rx, $ry, $cx, $cy, $ax, $ay, $bx - $ax, $by - $ay); calc_intersec_pt_of_lns($ax, $ay, $px, $py, $bx, $by, $qx, $qy, $hx, $hy); $o1x = ($bx + $cx) / 2; $o1y = ($by + $cy) / 2; $r1 = sqrt(($bx - $cx) * ($bx - $cx) + ($by - $cy) * ($by - $cy)) / 2; $o2x = ($ax + $hx) / 2; $o2y = ($ay + $hy) / 2; $r2 = sqrt(($ax - $hx) * ($ax - $hx) + ($ay - $hy) * ($ay - $hy)) / 2; allocate_color('red'); draw_arc_deg($o1x, $o1y, $r1, $sa = -20, 200); draw_circle($o2x, $o2y, $r2); draw_line($rx, $ry, $qx, $qy); //draw_corner_mark($ax, $ay, $cx, $cy, $px, $py, CMARK_CROSS, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); //draw_corner_mark($rx, $ry, $qx, $qy, $cx, $cy, CMARK_CROSS, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); //draw_corner_mark($bx, $by, $qx, $qy, $cx, $cy, CMARK_CROSS, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); draw_corner_mark($ax, $ay, $bx, $by, $px, $py, CMARK_DOT, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); draw_corner_mark($qx, $qy, $rx, $ry, $bx, $by, CMARK_DOT, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); draw_corner_mark($cx, $cy, $rx, $ry, $bx, $by, CMARK_DOT, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); //draw_corner_mark($bx, $by, $qx, $qy, $rx, $ry, CMARK_CIRCLE, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); //draw_corner_mark($cx, $cy, $qx, $qy, $rx, $ry, CMARK_CIRCLE, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); allocate_color('green'); draw_line($px, $py, $ax, $ay); draw_line($qx, $qy, $bx, $by); draw_line($rx, $ry, $cx, $cy); draw_corner_mark($px, $py, $cx, $cy, $ax, $ay, $type = 1, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); draw_corner_mark($qx, $qy, $bx, $by, $cx, $cy, $type = 1, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); draw_corner_mark($rx, $ry, $bx, $by, $cx, $cy, $type = 1, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); allocate_color('black'); draw_line($ax, $ay, $bx, $by); draw_line($bx, $by, $cx, $cy); draw_line($cx, $cy, $ax, $ay); set_text_size($text_size = 12); allocate_text_color('black'); set_text_margin($text_margin = 3); draw_text('A', $ax, $ay, $o_pos = O_POS_LOW_LEFT); draw_text('B', $bx, $by, $o_pos = O_POS_UP_RIGHT); draw_text('C', $cx, $cy, $o_pos = O_POS_UP_LEFT); draw_text('P', $px, $py, $o_pos = O_POS_UP_LEFT); draw_text('Q', $qx, $qy, $o_pos = O_POS_LOW_LEFT); draw_text('R', $rx, $ry, $o_pos = O_POS_LOW_RIGHT); allocate_text_color('red'); draw_text('H', $hx, $hy, $o_pos = O_POS_UP_RIGHT);
テンプレートを選択するとプログラムに追加されます。 set_scale(...); allocate_color('black'); allocate_color('gray'); allocate_color('red'); allocate_color('blue'); allocate_color('green'); allocate_color('purple'); allocate_bgcolor('white'); transparent_bgcolor(); set_thick($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)
作図プログラムをコンパイルして図形を仮表示する

仮表示

---

作図プログラムをサーバに保存するには、やる勉にログインしてください。

---

日付順 名前順

---

1. 図形の新規作成
2. ログイン