这篇教程C++ GEOSGeomFromWKT函数代码示例写得很实用，希望能帮到您。
本文整理汇总了C++中GEOSGeomFromWKT函数的典型用法代码示例。如果您正苦于以下问题：C++ GEOSGeomFromWKT函数的具体用法？C++ GEOSGeomFromWKT怎么用？C++ GEOSGeomFromWKT使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。 在下文中一共展示了GEOSGeomFromWKT函数的16个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。 示例1: GEOSGeomFromWKT void object::test<8>() { geom1_ = GEOSGeomFromWKT("MULTILINESTRING((0 0, 10 0),(10 0, 10 10))"); geom2_ = GEOSGeomFromWKT("LINESTRING(10 0, 10 -10)"); pat_ = GEOSRelateBoundaryNodeRule(geom1_, geom2_, 5); ensure(0 == pat_); }
开发者ID:BlueEyes-Lin，项目名称:sunmap，代码行数:7，
示例2: initGEOSvoid object::test<2>(){ numcalls = 0; initGEOS(notice, notice); GEOS_interruptRegisterCallback(countCalls); ensure_equals(numcalls, 0); GEOSGeometry* geom1 = GEOSGeomFromWKT("LINESTRING(0 0, 1 1, 2 2, 4 4)"); GEOSGeometry* geom2 = GEOSGeomFromWKT("LINESTRING(0 0, 1 1.01, 4 4.001)"); ensure("GEOSGeomFromWKT failed", nullptr != geom1); GEOSGeometry* geom3 = GEOSSnap(geom1, geom2, 0.1); ensure("GEOSSnap failed", nullptr != geom3); ensure("interrupt callback never called", numcalls > 0); GEOSGeom_destroy(geom1); GEOSGeom_destroy(geom2); GEOSGeom_destroy(geom3); GEOS_interruptRegisterCallback(nullptr); /* unregister */ finishGEOS();}
开发者ID:libgeos，项目名称:libgeos，代码行数:30，
示例3: GEOSGeomFromWKT void object::test<1>() { geom1_ = GEOSGeomFromWKT("POINT(10 10)"); geom2_ = GEOSGeomFromWKT("POINT(3 6)"); double dist; int ret = GEOSDistance(geom1_, geom2_, &dist); ensure_equals(ret, 1); ensure_distance(dist, 8.06225774829855, 1e-12); }
开发者ID:mwtoews，项目名称:libgeos，代码行数:11，
示例4: GEOSGeomFromWKT void object::test<1>() { geom1_ = GEOSGeomFromWKT("POLYGON EMPTY"); geom2_ = GEOSGeomFromWKT("POLYGON EMPTY"); ensure( 0 != geom1_ ); ensure( 0 != geom2_ ); GEOSCoordSequence *coords_; coords_ = GEOSNearestPoints(geom1_, geom2_); ensure( 0 == coords_ ); }
开发者ID:BlueEyes-Lin，项目名称:sunmap，代码行数:13，
示例5: GEOSGeomFromWKTvoid object::test<4>(){ geom1_ = GEOSGeomFromWKT("LINESTRING(0 0, 10 10)"); geom2_ = GEOSGeomFromWKT("LINESTRING(0 10, 10 0)"); prepGeom1_ = GEOSPrepare(geom1_); ensure(nullptr != prepGeom1_); int ret = GEOSPreparedIntersects(prepGeom1_, geom2_); ensure_equals(ret, 1);}
开发者ID:libgeos，项目名称:libgeos，代码行数:13，
示例6: GEOSGeomFromWKT void object::test<1>() { input_ = GEOSGeomFromWKT("MULTIPOINT (130 240, 130 240, 130 240, 570 240, 570 240, 570 240, 650 240)"); ensure( 0 != input_ ); expected_ = GEOSGeomFromWKT("LINESTRING (130 240, 650 240, 130 240)"); ensure( 0 != expected_ ); GEOSGeometry* output = GEOSConvexHull(input_); ensure( 0 != output ); ensure( 0 == GEOSisEmpty(output) ); // TODO //ensure( 0 != GEOSEquals(output, expected_)); }
开发者ID:TesseractG，项目名称:node-spatialite，代码行数:14，
示例7: wkt0 void object::test<7>() { std::string wkt0("LINESTRING (" "665.7317504882812500 133.0762634277343700," "1774.4752197265625000 19.9391822814941410," "756.2413940429687500 466.8306579589843700," "626.1337890625000000 1898.0147705078125000," "433.8007202148437500 404.6052856445312500)"); geom1_ = GEOSGeomFromWKT(wkt0.c_str()); ensure( 0 != geom1_ ); double width = 57.164000837203; // left-sided { geom2_ = GEOSOffsetCurve(geom1_, width, 8, GEOSBUF_JOIN_MITRE, 5.57); ensure( 0 != geom2_ ); // likely, 5 >= 5 ensure(GEOSGeomGetNumPoints(geom2_) >= GEOSGeomGetNumPoints(geom1_)); wkt_ = GEOSWKTWriter_write(wktw_, geom2_); //ensure_equals(std::string(wkt_), ...); } // right-sided { width = -width; geom2_ = GEOSOffsetCurve(geom1_, width, 8, GEOSBUF_JOIN_MITRE, 5.57); ensure( 0 != geom2_ ); // likely, 5 >= 7 ensure(GEOSGeomGetNumPoints(geom2_) >= GEOSGeomGetNumPoints(geom1_)); wkt_ = GEOSWKTWriter_write(wktw_, geom2_); //ensure_equals(std::string(wkt_), ...); } }
开发者ID:BlueEyes-Lin，项目名称:sunmap，代码行数:35，
示例8: GEOSGeomFromWKT /// Polygon fully within rectangle template<> template<> void object::test<12>() { const char *wkt = "POLYGON((1 1, 1 30, 30 30, 30 1, 1 1),(10 10, 20 10, 20 20, 10 20, 10 10))"; geom1_ = GEOSGeomFromWKT(wkt); geom2_ = GEOSClipByRect(geom1_, 0, 0, 40, 40); isEqual(geom2_, wkt); }
开发者ID:MarkusMattinen，项目名称:libspatialite，代码行数:8，
示例9: GEOSGeomFromWKT void object::test<3>() { geom1_ = GEOSGeomFromWKT("MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))"); geom2_ = GEOSGeomFromWKT("POLYGON((1 1,1 2,2 2,2 1,1 1))"); ensure( nullptr != geom1_ ); ensure( nullptr != geom2_ ); char const r1 = GEOSWithin(geom1_, geom2_); ensure_equals(int(r1), 0); char const r2 = GEOSWithin(geom2_, geom1_); ensure_equals(int(r2), 1); }
开发者ID:mwtoews，项目名称:libgeos，代码行数:16，
示例10: GEOSGeomFromWKT void object::test<1>() { geom1_ = GEOSGeomFromWKT("POLYGON EMPTY"); geom2_ = GEOSGeomFromWKT("POLYGON EMPTY"); ensure( 0 != geom1_ ); ensure( 0 != geom2_ ); char const r1 = GEOSIntersects(geom1_, geom2_); ensure_equals(r1, 0); char const r2 = GEOSIntersects(geom2_, geom1_); ensure_equals(r2, 0); }
开发者ID:AvlWx2014，项目名称:basemap，代码行数:16，
示例11: GEOSGeomFromWKT void object::test<1>() { const int size = 2; GEOSGeometry* geoms[size] = { 0 }; geoms[0] = GEOSGeomFromWKT("LINESTRING(1 3, 3 3, 3 1, 1 1, 1 3)"); geoms[1] = GEOSGeomFromWKT("LINESTRING(1 3, 3 3, 3 1, 1 1, 1 3)"); GEOSGeometry* g = GEOSPolygonizer_getCutEdges(geoms, size); ensure(0 != g); ensure_equals(GEOSGetNumGeometries(g), size); GEOSGeom_destroy(g); GEOSGeom_destroy(geoms[0]); GEOSGeom_destroy(geoms[1]); }
开发者ID:neerajneeruz，项目名称:SPLiteDemo3，代码行数:17，
示例12: GEOSGeomFromWKTvoid object::test<1>(){ geom1_ = GEOSGeomFromWKT("POLYGON EMPTY"); ensure ( 0 != GEOSisEmpty(geom1_) ); geom2_ = GEOSSimplify(geom1_, 43.2); ensure ( 0 != GEOSisEmpty(geom2_) );}
开发者ID:dillongardner，项目名称:basemap，代码行数:10，
示例13: GEOSGeomFromWKT void object::test<2>() { geom1_ = GEOSGeomFromWKT("POINT (6 3)"); ensure( 0 != geom1_ ); geom2_ = GEOSUnaryUnion(geom1_); ensure( 0 != geom2_ ); ensure_equals(toWKT(geom2_), std::string("POINT (6 3)")); }
开发者ID:GunioRobot，项目名称:geos，代码行数:10，
示例14: GEOSGeomFromWKT void object::test<1>() { GEOSGeometry* geom1 = GEOSGeomFromWKT("POLYGON EMPTY"); ensure ( 0 != GEOSisEmpty(geom1) ); GEOSGeometry* geom2 = GEOSSimplify(geom1, 43.2); ensure ( 0 != GEOSisEmpty(geom2) ); }
开发者ID:asapnet，项目名称:geos，代码行数:10，
示例15: test_wkt void test_wkt(std::string const& wkt) { geom1_ = GEOSGeomFromWKT(wkt.c_str()); ensure ( 0 != geom1_ ); char* wkt_c = GEOSGeomToWKT(geom1_); std::string out(wkt_c); free(wkt_c); ensure_equals(out, wkt); }
开发者ID:AvlWx2014，项目名称:basemap，代码行数:11，
示例16: test_writer_wkt void test_writer_wkt(GEOSWKTWriter *writer, std::string const& wkt) { geom1_ = GEOSGeomFromWKT(wkt.c_str()); ensure ( 0 != geom1_ ); char* wkt_c = GEOSWKTWriter_write(writer,geom1_); std::string out(wkt_c); free(wkt_c); ensure_equals(out, wkt); }
开发者ID:AvlWx2014，项目名称:basemap，代码行数:11，
注：本文中的GEOSGeomFromWKT函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。
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