diff options
| author | Dalai Felinto <dfelinto@gmail.com> | 2012-05-07 21:22:13 +0400 |
|---|---|---|
| committer | Dalai Felinto <dfelinto@gmail.com> | 2012-05-07 21:22:13 +0400 |
| commit | e11b9df3f1b78c1afdfb977b764813b4f61de1a4 (patch) | |
| tree | 35850b3a373b9ff7939d08562fd0d0ba020e8b2c /intern | |
| parent | 9a731205e942da12c622dac9804ff308a6f1c4c6 (diff) | |
cycles-fisheye: fixed formula for dir to equisolid
second time I need a scond commit to get the equisolid formula right, shame on me ;)
the formula is:
r = 2 x focallength x sin (theta / 2)
Diffstat (limited to 'intern')
| -rw-r--r-- | intern/cycles/kernel/kernel_projection.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/intern/cycles/kernel/kernel_projection.h b/intern/cycles/kernel/kernel_projection.h index 0ff905b7db8..a5735920cd9 100644 --- a/intern/cycles/kernel/kernel_projection.h +++ b/intern/cycles/kernel/kernel_projection.h @@ -112,7 +112,7 @@ __device float3 fisheye_to_direction(float u, float v, float fov) __device float2 direction_to_fisheye_equisolid(float3 dir, float lens, float width, float height) { float theta = acosf(dir.x); - float r = 2.0f * lens * sinf(theta * 0.25f); + float r = 2.0f * lens * sinf(theta * 0.5f); float phi = atan2f(dir.z, dir.y); float u = r * cosf(phi) / width + 0.5f; |