Lines Matching refs:x
105 tx->ctr.x = 0.0; in newscalarvol()
169 int x, y, z; in scalar_volume_texture() local
182 if (ry->d.x == 0.0) { in scalar_volume_texture()
183 if ((ry->o.x < bx->min.x) || (ry->o.x > bx->max.x)) in scalar_volume_texture()
187 tx1 = (bx->min.x - ry->o.x) / ry->d.x; in scalar_volume_texture()
188 tx2 = (bx->max.x - ry->o.x) / ry->d.x; in scalar_volume_texture()
254 bln.x = fabs(bx->min.x - bx->max.x); in scalar_volume_texture()
258 dt = sqrt(bln.x * bln.x + bln.y * bln.y + bln.z * bln.z) / tdist; in scalar_volume_texture()
268 pnt.x = ((ry->o.x + (ry->d.x * t)) - bx->min.x) / bln.x; in scalar_volume_texture()
272 x = (int)((vol->xres - 1.5) * pnt.x + 0.5); in scalar_volume_texture()
276 ptr = vol->data + ((vol->xres * vol->yres * z) + (vol->xres * y) + x); in scalar_volume_texture()