aboutsummaryrefslogtreecommitdiff
path: root/src/projections/merc.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/projections/merc.cpp')
-rw-r--r--src/projections/merc.cpp23
1 files changed, 11 insertions, 12 deletions
diff --git a/src/projections/merc.cpp b/src/projections/merc.cpp
index 5b65de90..10b8bb90 100644
--- a/src/projections/merc.cpp
+++ b/src/projections/merc.cpp
@@ -3,10 +3,9 @@
#include <float.h>
#include <math.h>
-#include "proj_internal.h"
#include "proj.h"
-#include "proj_math.h"
#include "proj_internal.h"
+#include "proj_math.h"
PROJ_HEAD(merc, "Mercator") "\n\tCyl, Sph&Ell\n\tlat_ts=";
PROJ_HEAD(webmerc, "Web Mercator / Pseudo Mercator") "\n\tCyl, Ell\n\t";
@@ -20,7 +19,7 @@ static double logtanpfpim1(double x) { /* log(tan(x/2 + M_FORTPI)) */
return log(tan(M_FORTPI + .5 * x));
}
-static PJ_XY e_forward (PJ_LP lp, PJ *P) { /* Ellipsoidal, forward */
+static PJ_XY merc_e_forward (PJ_LP lp, PJ *P) { /* Ellipsoidal, forward */
PJ_XY xy = {0.0,0.0};
if (fabs(fabs(lp.phi) - M_HALFPI) <= EPS10) {
proj_errno_set(P, PJD_ERR_TOLERANCE_CONDITION);
@@ -32,7 +31,7 @@ static PJ_XY e_forward (PJ_LP lp, PJ *P) { /* Ellipsoidal, forward */
}
-static PJ_XY s_forward (PJ_LP lp, PJ *P) { /* Spheroidal, forward */
+static PJ_XY merc_s_forward (PJ_LP lp, PJ *P) { /* Spheroidal, forward */
PJ_XY xy = {0.0,0.0};
if (fabs(fabs(lp.phi) - M_HALFPI) <= EPS10) {
proj_errno_set(P, PJD_ERR_TOLERANCE_CONDITION);
@@ -44,7 +43,7 @@ static PJ_XY s_forward (PJ_LP lp, PJ *P) { /* Spheroidal, forward */
}
-static PJ_LP e_inverse (PJ_XY xy, PJ *P) { /* Ellipsoidal, inverse */
+static PJ_LP merc_e_inverse (PJ_XY xy, PJ *P) { /* Ellipsoidal, inverse */
PJ_LP lp = {0.0,0.0};
if ((lp.phi = pj_phi2(P->ctx, exp(- xy.y / P->k0), P->e)) == HUGE_VAL) {
proj_errno_set(P, PJD_ERR_TOLERANCE_CONDITION);
@@ -55,7 +54,7 @@ static PJ_LP e_inverse (PJ_XY xy, PJ *P) { /* Ellipsoidal, inverse */
}
-static PJ_LP s_inverse (PJ_XY xy, PJ *P) { /* Spheroidal, inverse */
+static PJ_LP merc_s_inverse (PJ_XY xy, PJ *P) { /* Spheroidal, inverse */
PJ_LP lp = {0.0,0.0};
lp.phi = atan(sinh(xy.y / P->k0));
lp.lam = xy.x / P->k0;
@@ -76,15 +75,15 @@ PJ *PROJECTION(merc) {
if (P->es != 0.0) { /* ellipsoid */
if (is_phits)
P->k0 = pj_msfn(sin(phits), cos(phits), P->es);
- P->inv = e_inverse;
- P->fwd = e_forward;
+ P->inv = merc_e_inverse;
+ P->fwd = merc_e_forward;
}
else { /* sphere */
if (is_phits)
P->k0 = cos(phits);
- P->inv = s_inverse;
- P->fwd = s_forward;
+ P->inv = merc_s_inverse;
+ P->fwd = merc_s_forward;
}
return P;
@@ -95,7 +94,7 @@ PJ *PROJECTION(webmerc) {
/* Overriding k_0 with fixed parameter */
P->k0 = 1.0;
- P->inv = s_inverse;
- P->fwd = s_forward;
+ P->inv = merc_s_inverse;
+ P->fwd = merc_s_forward;
return P;
}