double GetPotentialHVValue(int& ix, int& iy) {
double PotentialHVArray[21][58] = {
//--- PotentialArrayHV[0][58] , x = 0 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.788,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6575,   0.6412,   0.6249,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.527,
0.5107,   0.4944,   0.4781,   0.4618,   0.4454,
0.4291,   0.4128,   0.3965,   0.3802,   0.3639,
0.3475,   0.3312,   0.3148,   0.2984,   0.282,
0.2655,   0.2489,   0.2322,   0.2152,   0.198,
0.1803,   0.1618,   0.1423,   0.1211,   0.09726,
0.06959,   0.03701,   -0.0001211
},
//--- PotentialArrayHV[1][58] , x = 20 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.788,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6575,   0.6412,   0.6249,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.527,
0.5107,   0.4944,   0.4781,   0.4618,   0.4454,
0.4291,   0.4128,   0.3965,   0.3802,   0.3639,
0.3476,   0.3313,   0.315,   0.2987,   0.2824,
0.2661,   0.2498,   0.2335,   0.2172,   0.2009,
0.1847,   0.1685,   0.1523,   0.1364,   0.1209,
0.1063,   0.09562,   0.09053
},
//--- PotentialArrayHV[2][58] , x = 40 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.788,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6575,   0.6412,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.527,
0.5107,   0.4944,   0.4781,   0.4618,   0.4454,
0.4291,   0.4128,   0.3965,   0.3802,   0.364,
0.3477,   0.3314,   0.3152,   0.2989,   0.2828,
0.2666,   0.2506,   0.2347,   0.2191,   0.2037,
0.1887,   0.1744,   0.161,   0.1489,   0.1387,
0.1307,   0.1257,   0.124
},
//--- PotentialArrayHV[3][58] , x = 60 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.788,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6575,   0.6412,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.527,
0.5107,   0.4944,   0.4781,   0.4617,   0.4454,
0.4291,   0.4128,   0.3965,   0.3802,   0.3639,
0.3476,   0.3313,   0.3149,   0.2986,   0.2823,
0.266,   0.2497,   0.2334,   0.2171,   0.2008,
0.1844,   0.1682,   0.1519,   0.1359,   0.1204,
0.1057,   0.09483,   0.09272
},
//--- PotentialArrayHV[4][58] , x = 80 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.788,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6575,   0.6412,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.527,
0.5107,   0.4944,   0.478,   0.4617,   0.4454,
0.4291,   0.4128,   0.3965,   0.3801,   0.3638,
0.3475,   0.3311,   0.3148,   0.2984,   0.2819,
0.2654,   0.2488,   0.2321,   0.2151,   0.1978,
0.1801,   0.1617,   0.1422,   0.121,   0.09699,
0.06943,   0.03618,   -0.0002445
},
//--- PotentialArrayHV[5][58] , x = 100 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.788,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6575,   0.6411,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.527,
0.5107,   0.4943,   0.478,   0.4617,   0.4454,
0.4291,   0.4128,   0.3965,   0.3802,   0.3639,
0.3475,   0.3312,   0.3149,   0.2986,   0.2823,
0.266,   0.2497,   0.2334,   0.2171,   0.2008,
0.1845,   0.1683,   0.1522,   0.1363,   0.1208,
0.1063,   0.09559,   0.09061
},
//--- PotentialArrayHV[6][58] , x = 120 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6575,   0.6411,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.527,
0.5107,   0.4943,   0.478,   0.4617,   0.4454,
0.4291,   0.4128,   0.3965,   0.3802,   0.3639,
0.3476,   0.3313,   0.3151,   0.2989,   0.2827,
0.2666,   0.2505,   0.2346,   0.219,   0.2036,
0.1886,   0.1743,   0.1609,   0.1488,   0.1386,
0.1306,   0.1257,   0.1239
},
//--- PotentialArrayHV[7][58] , x = 140 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6575,   0.6411,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.527,
0.5106,   0.4943,   0.478,   0.4617,   0.4454,
0.4291,   0.4128,   0.3965,   0.3801,   0.3638,
0.3475,   0.3312,   0.3149,   0.2986,   0.2823,
0.266,   0.2496,   0.2333,   0.217,   0.2007,
0.1844,   0.1681,   0.1519,   0.1358,   0.1204,
0.1057,   0.0948,   0.09268
},
//--- PotentialArrayHV[8][58] , x = 160 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6574,   0.6411,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.5269,
0.5106,   0.4943,   0.478,   0.4617,   0.4454,
0.4291,   0.4127,   0.3964,   0.3801,   0.3638,
0.3474,   0.3311,   0.3147,   0.2983,   0.2819,
0.2654,   0.2488,   0.232,   0.215,   0.1978,
0.1801,   0.1616,   0.1421,   0.1209,   0.09697,
0.06942,   0.03617,   -0.0002445
},
//--- PotentialArrayHV[9][58] , x = 180 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9348,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8043,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6738,   0.6574,   0.6411,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.5269,
0.5106,   0.4943,   0.478,   0.4617,   0.4454,
0.4291,   0.4128,   0.3964,   0.3801,   0.3638,
0.3475,   0.3312,   0.3149,   0.2986,   0.2823,
0.266,   0.2497,   0.2333,   0.2171,   0.2008,
0.1845,   0.1683,   0.1522,   0.1362,   0.1208,
0.1063,   0.09558,   0.09059
},
//--- PotentialArrayHV[10][58] , x = 200 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6737,   0.6574,   0.6411,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5433,   0.5269,
0.5106,   0.4943,   0.478,   0.4617,   0.4454,
0.4291,   0.4128,   0.3965,   0.3802,   0.3639,
0.3476,   0.3313,   0.3151,   0.2988,   0.2827,
0.2665,   0.2505,   0.2346,   0.219,   0.2036,
0.1886,   0.1743,   0.1609,   0.1488,   0.1386,
0.1306,   0.1256,   0.1239
},
//--- PotentialArrayHV[11][58] , x = 220 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6737,   0.6574,   0.6411,   0.6248,   0.6085,
0.5922,   0.5759,   0.5596,   0.5432,   0.5269,
0.5106,   0.4943,   0.478,   0.4617,   0.4454,
0.4291,   0.4127,   0.3964,   0.3801,   0.3638,
0.3475,   0.3312,   0.3149,   0.2986,   0.2822,
0.2659,   0.2496,   0.2333,   0.217,   0.2007,
0.1844,   0.1681,   0.1519,   0.1358,   0.1204,
0.1056,   0.09479,   0.09267
},
//--- PotentialArrayHV[12][58] , x = 240 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.6901,
0.6737,   0.6574,   0.6411,   0.6248,   0.6085,
0.5922,   0.5759,   0.5595,   0.5432,   0.5269,
0.5106,   0.4943,   0.478,   0.4617,   0.4454,
0.429,   0.4127,   0.3964,   0.3801,   0.3637,
0.3474,   0.3311,   0.3147,   0.2983,   0.2818,
0.2653,   0.2487,   0.232,   0.215,   0.1978,
0.1801,   0.1616,   0.1421,   0.1209,   0.09695,
0.06941,   0.03616,   -0.0002444
},
//--- PotentialArrayHV[13][58] , x = 260 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.69,
0.6737,   0.6574,   0.6411,   0.6248,   0.6085,
0.5922,   0.5759,   0.5595,   0.5432,   0.5269,
0.5106,   0.4943,   0.478,   0.4617,   0.4454,
0.429,   0.4127,   0.3964,   0.3801,   0.3638,
0.3475,   0.3312,   0.3149,   0.2985,   0.2822,
0.2659,   0.2496,   0.2333,   0.217,   0.2007,
0.1845,   0.1683,   0.1521,   0.1362,   0.1208,
0.1063,   0.09556,   0.09058
},
//--- PotentialArrayHV[14][58] , x = 280 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8206,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.69,
0.6737,   0.6574,   0.6411,   0.6248,   0.6085,
0.5922,   0.5758,   0.5595,   0.5432,   0.5269,
0.5106,   0.4943,   0.478,   0.4617,   0.4454,
0.429,   0.4127,   0.3964,   0.3801,   0.3638,
0.3475,   0.3313,   0.315,   0.2988,   0.2826,
0.2665,   0.2505,   0.2346,   0.2189,   0.2035,
0.1886,   0.1742,   0.1609,   0.1488,   0.1386,
0.1306,   0.1256,   0.1239
},
//--- PotentialArrayHV[15][58] , x = 300 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8205,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7064,   0.69,
0.6737,   0.6574,   0.6411,   0.6248,   0.6085,
0.5922,   0.5758,   0.5595,   0.5432,   0.5269,
0.5106,   0.4943,   0.478,   0.4616,   0.4453,
0.429,   0.4127,   0.3964,   0.3801,   0.3638,
0.3474,   0.3311,   0.3148,   0.2985,   0.2822,
0.2659,   0.2496,   0.2333,   0.2169,   0.2006,
0.1843,   0.1681,   0.1518,   0.1358,   0.1203,
0.1056,   0.09476,   0.09265
},
//--- PotentialArrayHV[16][58] , x = 320 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8205,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7063,   0.69,
0.6737,   0.6574,   0.6411,   0.6248,   0.6085,
0.5921,   0.5758,   0.5595,   0.5432,   0.5269,
0.5106,   0.4943,   0.4779,   0.4616,   0.4453,
0.429,   0.4127,   0.3963,   0.38,   0.3637,
0.3474,   0.331,   0.3146,   0.2982,   0.2818,
0.2653,   0.2487,   0.2319,   0.215,   0.1977,
0.18,   0.1616,   0.1421,   0.1209,   0.09692,
0.06938,   0.03615,   -0.0002443
},
//--- PotentialArrayHV[17][58] , x = 340 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8205,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7063,   0.69,
0.6737,   0.6574,   0.6411,   0.6248,   0.6085,
0.5921,   0.5758,   0.5595,   0.5432,   0.5269,
0.5106,   0.4943,   0.4779,   0.4616,   0.4453,
0.429,   0.4127,   0.3964,   0.38,   0.3637,
0.3474,   0.3311,   0.3148,   0.2985,   0.2822,
0.2658,   0.2495,   0.2332,   0.2169,   0.2006,
0.1844,   0.1682,   0.1521,   0.1361,   0.1207,
0.1062,   0.0955,   0.09051
},
//--- PotentialArrayHV[18][58] , x = 360 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8205,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7063,   0.69,
0.6737,   0.6574,   0.6411,   0.6248,   0.6085,
0.5921,   0.5758,   0.5595,   0.5432,   0.5269,
0.5106,   0.4942,   0.4779,   0.4616,   0.4453,
0.429,   0.4127,   0.3964,   0.3801,   0.3638,
0.3475,   0.3312,   0.3149,   0.2987,   0.2825,
0.2664,   0.2504,   0.2345,   0.2188,   0.2034,
0.1884,   0.1741,   0.1607,   0.1486,   0.1385,
0.1305,   0.1255,   0.1237
},
//--- PotentialArrayHV[19][58] , x = 380 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8205,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7063,   0.69,
0.6737,   0.6574,   0.6411,   0.6248,   0.6084,
0.5921,   0.5758,   0.5595,   0.5432,   0.5269,
0.5106,   0.4942,   0.4779,   0.4616,   0.4453,
0.429,   0.4126,   0.3963,   0.38,   0.3637,
0.3474,   0.331,   0.3147,   0.2984,   0.2821,
0.2658,   0.2494,   0.2331,   0.2168,   0.2005,
0.1842,   0.1678,   0.1516,   0.1357,   0.1201,
0.1054,   0.09358,   0.0925
},
//--- PotentialArrayHV[20][58] , x = 400 um --------
{
1,   0.9837,   0.9674,   0.9511,   0.9347,
0.9184,   0.9021,   0.8858,   0.8695,   0.8532,
0.8369,   0.8205,   0.8042,   0.7879,   0.7716,
0.7553,   0.739,   0.7227,   0.7063,   0.69,
0.6737,   0.6574,   0.6411,   0.6248,   0.6084,
0.5921,   0.5758,   0.5595,   0.5432,   0.5269,
0.5105,   0.4942,   0.4779,   0.4616,   0.4453,
0.429,   0.4126,   0.3963,   0.38,   0.3636,
0.3473,   0.3309,   0.3145,   0.2981,   0.2817,
0.2651,   0.2485,   0.2317,   0.2147,   0.1974,
0.1796,   0.1611,   0.1415,   0.1201,   0.09615,
0.0685,   0.03602,   -2.771e-05
},
 };
return PotentialHVArray[ix][iy];
}