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| DirectionCosines = LAMBDA(xl, yl, [zl], [xt], [yt], [zt], | |
| SplitString( | |
| IF( | |
| OR(ISOMITTED(zl), ISOMITTED(xt), ISOMITTED(yt), ISOMITTED(zt)), | |
| LET( | |
| thetaz, xl, | |
| phi, yl, | |
| 1 * SIN(RADIANS(thetaz)) * COS(RADIANS(phi)) & "," & | |
| 1 * SIN(RADIANS(thetaz)) * SIN(RADIANS(phi)) & "," & | |
| 1 * COS(RADIANS(thetaz)) & "," & thetaz & "," & | |
| if( | |
| phi >= 0, | |
| phi, | |
| 360 + phi | |
| ) | |
| ), | |
| LET( | |
| magx, xt - xl, | |
| magy, yt - yl, | |
| magz, zt - zl, | |
| mag, SQRT(magx ^ 2 + magy ^ 2 + magz ^ 2), | |
| magx / mag & "," & magy / mag & "," & magz / mag & "," & | |
| DEGREES(ACOS(magz / mag / 1)) & "," & | |
| IF( | |
| magy >= 0, | |
| DEGREES(ACOS(magx / mag / (1 * SIN(ACOS(magz / mag / 1))))), | |
| 360 - DEGREES(ACOS(magx / mag / (1 * SIN(ACOS(magz / mag / 1))))) | |
| ) | |
| ) | |
| ), | |
| "," | |
| ) | |
| ); | |
| SplitString = LAMBDA(text, delim, [indexInt], | |
| IF( | |
| ISOMITTED(indexInt), | |
| TRANSPOSE( | |
| FILTERXML( | |
| "<x><y>" & SUBSTITUTE(text, delim, "</y><y>") & "</y></x>", | |
| "//y" | |
| ) | |
| ), | |
| INDEX( | |
| TRANSPOSE( | |
| FILTERXML( | |
| "<x><y>" & SUBSTITUTE(text, delim, "</y><y>") & "</y></x>", | |
| "//y" | |
| ) | |
| ), | |
| 1, | |
| indexInt | |
| ) | |
| ) | |
| ); |
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