図形のコピー: 外角の二等分線と辺比 ヘルプ

ドット数(幅高)形式(gifjpg)
set_scale($scale = 10, $org_x_percent = 50, $org_y_percent = 70); $ax = -.5; $ay = 0.8; $bx = -8; $by = -4; $cx = 0; $cy = $by; $vx = $bx - $ax; $vy = $by - $ay; $ux = $cx - $ax; $uy = $cy - $ay; $v = sqrt($vx * $vx + $vy * $vy); $u = sqrt($ux * $ux + $uy * $uy); //($dx - $cx) / ($dx - $bx) = $u / $v; //$dx - $cx = ($dx - $bx) * $u / $v; //$dx - $dx * $u / $v = $cx - $bx * $u / $v; //$dx * ( 1 - $u / $v) = $cx - $bx * $u / $v; //$dx = ($cx - $bx * $u / $v) / ( 1 - $u / $v); //$dx = (($cx * $v - $bx * $u) / $v) / ( ($v - $u) / $v); $dx = ($cx * $v - $bx * $u) / ($v - $u) ; $dy = $by; $ex = $ax + $vx * $u / $v; $ey = $ay + $vy * $u / $v; $fx = $ax - $vx * $u / $v; $fy = $ay - $vy * $u / $v; draw_line($fx, $fy, $bx, $by); draw_line($bx, $by, $dx, $dy); draw_line($ax, $ay, $cx, $cy); draw_dash_line($ax, $ay, $dx, $dy); draw_dash_line($ex, $ey, $cx, $cy); draw_corner_mark($ax, $ay, $cx, $cy, $dx, $dy, CMARK_DOT, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); draw_corner_mark($ax, $ay, $dx, $dy, $fx, $fy, CMARK_DOT, $text = '', $italic = true, $text_ops = '', $italic_ops = false, $r = 10); set_text_margin(5); draw_text('A', $ax, $ay, O_POS_LOW_CENTER, $italic = false); draw_text('B', $bx, $by, O_POS_UP_RIGHT, $italic = false); draw_text('C', $cx, $cy, O_POS_UP_LEFT, $italic = false); draw_text('D', $dx, $dy, O_POS_UP_CENTER, $italic = false); draw_text('E', $ex, $ey, O_POS_LOW_RIGHT, $italic = false); draw_arrow_head($dx, $dy, $ax, $ay, $pos = 0.5, $count= 1); draw_arrow_head($cx, $cy, $ex, $ey, $pos = 0.5, $count= 1); draw_formula($formula_text = '{$A$B}/{$A$C}={$B$D}/{$D$C}', $size = 12, $cx, $cy - 2, $o_pos = O_POS_UP_CENTER);
テンプレートを選択するとプログラムに追加されます。 set_scale(...); allocate_color('black'); allocate_color('gray'); allocate_color('red'); allocate_color('blue'); allocate_color('green'); allocate_color('purple'); allocate_bgcolor('white'); transparent_bgcolor(); set_thick($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

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日付順 名前順

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1. 図形の新規作成
2. ログイン