[geos-commits] [SCM] GEOS branch master updated. 7eb3369032d42425fafd4defe799f43f352215ec
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Fri Jun 22 22:38:48 PDT 2018
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commit 7eb3369032d42425fafd4defe799f43f352215ec
Merge: 681d852 fe5b4d4
Author: Regina Obe <lr at pcorp.us>
Date: Fri Jun 22 22:38:47 2018 -0700
Merge branch 'add-GEOSGeomGetZ' of darkpanda/geos into master
commit fe5b4d41ed19fc8c076a6482f60e10c50b488e0f
Author: J Smith <dark.panda at gmail.com>
Date: Tue Jan 19 12:54:05 2016 -0500
Expose getZ to the CAPI via GEOSGeomGetZ.
diff --git a/capi/geos_c.cpp b/capi/geos_c.cpp
index 901556e..cd22cd4 100644
--- a/capi/geos_c.cpp
+++ b/capi/geos_c.cpp
@@ -666,6 +666,16 @@ GEOSGeomGetY(const Geometry *g, double *y)
}
/*
+ * For POINT
+ * returns 0 on exception, otherwise 1
+ */
+int
+GEOSGeomGetZ(const Geometry *g1, double *z)
+{
+ return GEOSGeomGetZ_r(handle, g1, z);
+}
+
+/*
* Call only on polygon
* Return a copy of the internal Geometry.
*/
diff --git a/capi/geos_c.h.in b/capi/geos_c.h.in
index 0c81f31..639aa67 100644
--- a/capi/geos_c.h.in
+++ b/capi/geos_c.h.in
@@ -1069,6 +1069,7 @@ extern int GEOS_DLL GEOSGeomGetNumPoints_r(GEOSContextHandle_t handle,
/* Return -1 on exception, Geometry must be a Point. */
extern int GEOS_DLL GEOSGeomGetX_r(GEOSContextHandle_t handle, const GEOSGeometry *g, double *x);
extern int GEOS_DLL GEOSGeomGetY_r(GEOSContextHandle_t handle, const GEOSGeometry *g, double *y);
+extern int GEOS_DLL GEOSGeomGetZ_r(GEOSContextHandle_t handle, const GEOSGeometry *g, double *z);
/*
* Return NULL on exception, Geometry must be a Polygon.
@@ -1993,6 +1994,7 @@ extern int GEOS_DLL GEOSGeomGetNumPoints(const GEOSGeometry* g);
/* Return -1 on exception, Geometry must be a Point. */
extern int GEOS_DLL GEOSGeomGetX(const GEOSGeometry *g, double *x);
extern int GEOS_DLL GEOSGeomGetY(const GEOSGeometry *g, double *y);
+extern int GEOS_DLL GEOSGeomGetZ(const GEOSGeometry *g, double *z);
/*
* Return NULL on exception, Geometry must be a Polygon.
diff --git a/capi/geos_ts_c.cpp b/capi/geos_ts_c.cpp
index 533b097..47cda5a 100644
--- a/capi/geos_ts_c.cpp
+++ b/capi/geos_ts_c.cpp
@@ -3199,6 +3199,49 @@ GEOSGeomGetY_r(GEOSContextHandle_t extHandle, const Geometry *g1, double *y)
}
/*
+ * For POINT
+ * returns 0 on exception, otherwise 1
+ */
+int
+GEOSGeomGetZ_r(GEOSContextHandle_t extHandle, const Geometry *g1, double *z)
+{
+ if ( 0 == extHandle )
+ {
+ return 0;
+ }
+
+ GEOSContextHandleInternal_t *handle = 0;
+ handle = reinterpret_cast<GEOSContextHandleInternal_t*>(extHandle);
+ if ( 0 == handle->initialized )
+ {
+ return 0;
+ }
+
+ try
+ {
+ using geos::geom::Point;
+ const Point *po = dynamic_cast<const Point *>(g1);
+ if ( ! po )
+ {
+ handle->ERROR_MESSAGE("Argument is not a Point");
+ return 0;
+ }
+ *z = po->getZ();
+ return 1;
+ }
+ catch (const std::exception &e)
+ {
+ handle->ERROR_MESSAGE("%s", e.what());
+ }
+ catch (...)
+ {
+ handle->ERROR_MESSAGE("Unknown exception thrown");
+ }
+
+ return 0;
+}
+
+/*
* Call only on polygon
* Return a copy of the internal Geometry.
*/
diff --git a/include/geos/geom/Point.h b/include/geos/geom/Point.h
index 7360caa..000b348 100644
--- a/include/geos/geom/Point.h
+++ b/include/geos/geom/Point.h
@@ -113,6 +113,7 @@ public:
double getX() const;
double getY() const;
+ double getZ() const;
const Coordinate* getCoordinate() const override;
std::string getGeometryType() const override;
GeometryTypeId getGeometryTypeId() const override;
diff --git a/src/geom/Point.cpp b/src/geom/Point.cpp
index 0f02d68..a602d05 100644
--- a/src/geom/Point.cpp
+++ b/src/geom/Point.cpp
@@ -126,6 +126,15 @@ Point::getY() const
return getCoordinate()->y;
}
+double
+Point::getZ() const
+{
+ if (isEmpty()) {
+ throw util::UnsupportedOperationException("getZ called on empty Point\n");
+ }
+ return getCoordinate()->z;
+}
+
const Coordinate *
Point::getCoordinate() const
{
diff --git a/tests/unit/capi/GEOSLineString_PointTest.cpp b/tests/unit/capi/GEOSLineString_PointTest.cpp
index 1bc2572..8db60fe 100644
--- a/tests/unit/capi/GEOSLineString_PointTest.cpp
+++ b/tests/unit/capi/GEOSLineString_PointTest.cpp
@@ -7,6 +7,7 @@
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
+#include <cmath>
namespace tut
{
@@ -61,7 +62,7 @@ namespace tut
{
geom1_ = GEOSGeomFromWKT("LINESTRING(0 0, 5 5, 10 10)");
GEOSGeometry *geom2;
- double x, y;
+ double x, y, z;
ensure( nullptr != geom1_ );
char const r1 = GEOSisClosed(geom1_);
@@ -71,27 +72,33 @@ namespace tut
geom2 = GEOSGeomGetPointN(geom1_, 0);
GEOSGeomGetX(geom2, &x);
GEOSGeomGetY(geom2, &y);
+ GEOSGeomGetZ(geom2, &z);
ensure_equals(x, 0);
ensure_equals(y, 0);
+ ensure(std::isnan(z));
GEOSGeom_destroy(geom2);
geom2 = GEOSGeomGetStartPoint(geom1_);
GEOSGeomGetX(geom2, &x);
GEOSGeomGetY(geom2, &y);
+ GEOSGeomGetZ(geom2, &z);
ensure_equals(x, 0);
ensure_equals(y, 0);
+ ensure(std::isnan(z));
GEOSGeom_destroy(geom2);
geom2 = GEOSGeomGetEndPoint(geom1_);
GEOSGeomGetX(geom2, &x);
GEOSGeomGetY(geom2, &y);
+ GEOSGeomGetZ(geom2, &z);
ensure_equals(x, 10);
ensure_equals(y, 10);
+ ensure(std::isnan(z));
GEOSGeom_destroy(geom2);
}
@@ -119,4 +126,20 @@ namespace tut
points = GEOSGeomGetNumPoints(geom1_);
ensure_equals(points, 3);
}
+
+ template<>
+ template<>
+ void object::test<4>()
+ {
+ geom1_ = GEOSGeomFromWKT("POINT Z(0 10 20)");
+ double x, y, z;
+
+ GEOSGeomGetX(geom1_, &x);
+ GEOSGeomGetY(geom1_, &y);
+ GEOSGeomGetZ(geom1_, &z);
+
+ ensure_equals(x, 0);
+ ensure_equals(y, 10);
+ ensure_equals(z, 20);
+ }
} // namespace tut
-----------------------------------------------------------------------
Summary of changes:
capi/geos_c.cpp | 10 +++++++
capi/geos_c.h.in | 2 ++
capi/geos_ts_c.cpp | 43 ++++++++++++++++++++++++++++
include/geos/geom/Point.h | 1 +
src/geom/Point.cpp | 9 ++++++
tests/unit/capi/GEOSLineString_PointTest.cpp | 25 +++++++++++++++-
6 files changed, 89 insertions(+), 1 deletion(-)
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