106     tx->ctr.y = 0.0;  in newscalarvol()
169     int x, y, z;  in scalar_volume_texture()  local
204     if (ry->d.y == 0.0) {  in scalar_volume_texture()
205         if ((ry->o.y < bx->min.y) || (ry->o.y > bx->max.y))  in scalar_volume_texture()
209         ty1 = (bx->min.y - ry->o.y) / ry->d.y;  in scalar_volume_texture()
210         ty2 = (bx->max.y - ry->o.y) / ry->d.y;  in scalar_volume_texture()
255     bln.y = fabs(bx->min.y - bx->max.y);  in scalar_volume_texture()
258     dt = sqrt(bln.x * bln.x + bln.y * bln.y + bln.z * bln.z) / tdist;  in scalar_volume_texture()
269         pnt.y = ((ry->o.y + (ry->d.y * t)) - bx->min.y) / bln.y;  in scalar_volume_texture()
273         y = (int)((vol->yres - 1.5) * pnt.y + 0.5);  in scalar_volume_texture()
276         ptr = vol->data + ((vol->xres * vol->yres * z) + (vol->xres * y) + x);  in scalar_volume_texture()