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switch cartesian/spherical function names and make them use length. still a tweak needed here

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git-svn-id: svn://localhost/ardour2/branches/3.0@8952 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2011-02-24 18:55:33 +00:00
parent 0c5c1aafd0
commit 5ad82b1e6d
5 changed files with 29 additions and 22 deletions
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16
libs/pbd/cartesian.cc
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@ -24,19 +24,23 @@
using namespace std;
void
PBD::azi_ele_to_cart (double azi, double ele, double& x, double& y, double& z)
PBD::spherical_to_cartesian (double azi, double ele, double len, double& x, double& y, double& z)
{
/* convert from cylindrical coordinates in degrees to cartesian */
static const double atorad = 2.0 * M_PI / 360.0 ;
if (len == 0.0) {
len = 1.0;
}
x = cos (azi * atorad) * cos (ele * atorad);
y = sin (azi * atorad) * cos (ele * atorad);
z = sin (ele * atorad);
x = len * cos (azi * atorad) * cos (ele * atorad);
y = len * sin (azi * atorad) * cos (ele * atorad);
z = len * sin (ele * atorad);
}
void
PBD::cart_to_azi_ele (double x, double y, double z, double& azimuth, double& elevation)
PBD::cartesian_to_spherical (double x, double y, double z, double& azimuth, double& elevation, double& length)
{
#if 1
/* converts cartesian coordinates to cylindrical in degrees*/
@ -62,6 +66,8 @@ PBD::cart_to_azi_ele (double x, double y, double z, double& azimuth, double& ele
} else {
elevation = 180.0 * (phi / M_PI);
}
length = rho;
#else
/* converts cartesian coordinates to cylindrical in degrees*/