@@ -73,10 +73,17 @@ def comp_v_on_v(Vals):
7373 abs_v1 = abs_val (Vals [:3 ])
7474 abs_v2 = abs_val (Vals [3 :])
7575
76- res_a_on_b = round (dot_prod / abs_v2 , 5 )
77- a_on_b_val .set (res_a_on_b )
78- res_b_on_a = round (dot_prod / abs_v1 , 5 )
79- b_on_a_val .set (res_b_on_a )
76+ try :
77+ res_a_on_b = round (dot_prod / abs_v2 , 5 )
78+ a_on_b_val .set (res_a_on_b )
79+ except :
80+ a_on_b_val .set ("Invalid" )
81+ 82+ try :
83+ res_b_on_a = round (dot_prod / abs_v1 , 5 )
84+ b_on_a_val .set (res_b_on_a )
85+ except :
86+ b_on_a_val .set ("Invalid" )
8087
8188
8289def proj_v_on_v (Vals ):
@@ -85,21 +92,31 @@ def proj_v_on_v(Vals):
8592 abs_v1 = abs_val (Vals [:3 ])
8693 abs_v2 = abs_val (Vals [3 :])
8794
88- res_a_on_b = round (dot_prod / abs_v2 ** 2 , 5 )
89- x_1 = res_a_on_b * Vals [3 ]
90- y_1 = res_a_on_b * Vals [4 ]
91- z_1 = res_a_on_b * Vals [5 ]
92- a_on_b_proj_x_val .set (x_1 )
93- a_on_b_proj_y_val .set (y_1 )
94- a_on_b_proj_z_val .set (z_1 )
95- 96- res_b_on_a = round (dot_prod / abs_v1 ** 2 , 5 )
97- x_2 = res_b_on_a * Vals [0 ]
98- y_2 = res_b_on_a * Vals [1 ]
99- z_2 = res_b_on_a * Vals [2 ]
100- b_on_a_proj_x_val .set (x_2 )
101- b_on_a_proj_y_val .set (y_2 )
102- b_on_a_proj_z_val .set (z_2 )
95+ try :
96+ res_a_on_b = round (dot_prod / abs_v2 ** 2 , 5 )
97+ x_1 = res_a_on_b * Vals [3 ]
98+ y_1 = res_a_on_b * Vals [4 ]
99+ z_1 = res_a_on_b * Vals [5 ]
100+ a_on_b_proj_x_val .set (x_1 )
101+ a_on_b_proj_y_val .set (y_1 )
102+ a_on_b_proj_z_val .set (z_1 )
103+ except :
104+ a_on_b_proj_x_val .set ("Invalid" )
105+ a_on_b_proj_y_val .set ("Invalid" )
106+ a_on_b_proj_z_val .set ("Invalid" )
107+ 108+ try :
109+ res_b_on_a = round (dot_prod / abs_v1 ** 2 , 5 )
110+ x_2 = res_b_on_a * Vals [0 ]
111+ y_2 = res_b_on_a * Vals [1 ]
112+ z_2 = res_b_on_a * Vals [2 ]
113+ b_on_a_proj_x_val .set (x_2 )
114+ b_on_a_proj_y_val .set (y_2 )
115+ b_on_a_proj_z_val .set (z_2 )
116+ except :
117+ b_on_a_proj_x_val .set ("Invalid" )
118+ b_on_a_proj_y_val .set ("Invalid" )
119+ b_on_a_proj_z_val .set ("Invalid" )
103120
104121 Status ["text" ] = "Calculations Completed! :D "
105122 Status ["fg" ] = "green"
@@ -150,9 +167,15 @@ def Show_Vec_Frame(vec_num, values):
150167 Modulus_val .place (x = 70 , y = 11 , width = 80 )
151168
152169 # Unit Vectors
153- uv_x = round (values [0 ]/ Modulus , 5 )
154- uv_y = round (values [1 ]/ Modulus , 5 )
155- uv_z = round (values [2 ]/ Modulus , 5 )
170+ try :
171+ uv_x = round (values [0 ]/ Modulus , 5 )
172+ uv_y = round (values [1 ]/ Modulus , 5 )
173+ uv_z = round (values [2 ]/ Modulus , 5 )
174+ except :
175+ uv_x = "Invalid"
176+ uv_y = "Invalid"
177+ uv_z = "Invalid"
178+ 156179 Unit_Vector_lbl = Label (vec_window , text = "Unit Vector: " , anchor = E , font = ("Calibri" , 8 ))
157180 uv_x_lbl = Label (vec_window , text = "X > " , anchor = E , font = ("Calibri" , 8 ))
158181 uv_x_val = Text (vec_window , height = 1 , borderwidth = 0 )
@@ -171,9 +194,14 @@ def Show_Vec_Frame(vec_num, values):
171194 uv_z_lbl .place (x = 25 , y = 90 )
172195 uv_z_val .place (x = 50 , y = 91 , width = 80 )
173196
174- alpha = round (math .acos (uv_x ) * 180 / math .pi , 5 )
175- beta = round (math .acos (uv_y ) * 180 / math .pi , 5 )
176- gamma = round (math .acos (uv_z ) * 180 / math .pi , 5 )
197+ if uv_x != "Invalid" :
198+ alpha = round (math .acos (uv_x ) * 180 / math .pi , 5 )
199+ beta = round (math .acos (uv_y ) * 180 / math .pi , 5 )
200+ gamma = round (math .acos (uv_z ) * 180 / math .pi , 5 )
201+ else :
202+ alpha = "Invalid"
203+ beta = "Invalid"
204+ gamma = "Invalid"
177205 Cosine_lbl = Label (vec_window , text = "Cosine Angles: " , anchor = E , font = ("Calibri" , 8 ))
178206 alpha_lbl = Label (vec_window , text = "X > " , anchor = E , font = ("Calibri" , 8 ))
179207 alpha_val = Text (vec_window , height = 1 , borderwidth = 0 )
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