diff options
Diffstat (limited to 'data')
| -rw-r--r-- | data/diffraction.cl | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/data/diffraction.cl b/data/diffraction.cl index b0f7b6b6..bac0c5c7 100644 --- a/data/diffraction.cl +++ b/data/diffraction.cl @@ -48,7 +48,7 @@ float4 get_q(int x, int y, float cx, float cy, float res, float clen, float k, float *ttp, float4 z, int sampling) { float rx, ry, r; - float ttx, tty, tt; + float az, tt; float4 q; rx = ((float)x - sampling*cx)/(res*sampling); @@ -56,13 +56,12 @@ float4 get_q(int x, int y, float cx, float cy, float res, float clen, float k, r = sqrt(pow(rx, 2.0) + pow(ry, 2.0)); - ttx = atan2(rx, clen); - tty = atan2(ry, clen); tt = atan2(r, clen); - *ttp = tt; - q = (float4)(k*sin(ttx), k*sin(tty), k-k*cos(tt), 0.0); + az = atan2(ry, rx); + + q = (float4)(k*sin(tt)*cos(az), k*sin(tt)*sin(az), k-k*cos(tt), 0.0); return quat_rot(q, z); } |