Added two samples related to boost mailing list

[SVN r65936]
This commit is contained in:
Barend Gehrels 2010-10-13 11:33:26 +00:00
parent 8fc78a88b4
commit 4592fc8039
7 changed files with 592 additions and 1 deletions

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@ -28,4 +28,9 @@ exe c04_a_custom_triangle_example : c04_a_custom_triangle_example.cpp ;
exe c04_b_custom_triangle_example : c04_b_custom_triangle_example.cpp ;
exe c06_custom_polygon_example : c06_custom_polygon_example.cpp ;
exe c07_custom_ring_pointer_example : c07_custom_ring_pointer_example.cpp ;
# exe c08_custom_non_std_example : c08_custom_non_std_example.cpp ;
# c09 is not yet finished
exe c10_custom_cs_example : c10_custom_cs_example.cpp ;
exe c11_custom_cs_transform_example : c11_custom_cs_transform_example.cpp ;

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@ -6,6 +6,7 @@
// http://www.boost.org/LICENSE_1_0.txt)
//
// Custom point / fusion Example
// NOT FINISHED
#include <iostream>
@ -47,7 +48,7 @@ int main()
std::cout << boost::fusion::at_c<1>(p1) << std::endl;
std::cout << boost::geometry::get<1>(p1) << std::endl;
//std::cout << boost::geometry::get<1>(p1) << std::endl;
return 0;
}

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@ -0,0 +1,103 @@
// Boost.Geometry (aka GGL, Generic Geometry Library)
//
// Copyright Barend Gehrels 2010, Geodan, Amsterdam, the Netherlands
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Example: Custom coordinate system example
#include <iostream>
#include <boost/geometry/geometry.hpp>
#ifdef OPTIONALLY_ELLIPSOIDAL // see below
#include <boost/geometry/extensions/gis/geographic/strategies/andoyer.hpp>
#endif
// 1: declare a coordinate system. For example for Mars
// Like for the Earth, we let the use choose between degrees or radians
// (Unfortunately, in real life Mars has two coordinate systems:
// http://planetarynames.wr.usgs.gov/Page/MARS/system)
template<typename DegreeOrRadian>
struct martian
{
typedef DegreeOrRadian units;
};
// 2: give it also a family
struct martian_tag;
// 3: register to which coordinate system family it belongs to
// this must be done in namespace boost::geometry::traits
namespace boost { namespace geometry { namespace traits
{
template <typename DegreeOrRadian>
struct cs_tag<martian<DegreeOrRadian> >
{
typedef martian_tag type;
};
}}} // namespaces
// NOTE: if the next steps would not be here,
// compiling a distance function call with martian coordinates
// would result in a MPL assertion
// 4: so register a distance strategy as its default strategy
namespace boost { namespace geometry { namespace strategy { namespace distance { namespace services
{
template <typename Point1, typename Point2>
struct default_strategy<point_tag, Point1, Point2, martian_tag, martian_tag>
{
typedef haversine<Point1, Point2> type;
};
}}}}} // namespaces
// 5: not worked out. To implement a specific distance strategy for Mars,
// e.g. with the Mars radius given by default,
// you will have to implement (/register) several other metafunctions:
// tag, return_type, similar_type, comparable_type,
// and structs:
// get_similar, get_comparable, result_from_distance
// See e.g. .../boost/geometry/extensions/gis/geographic/strategies/andoyer.hpp
int main()
{
typedef boost::geometry::point
<
double, 2, martian<boost::geometry::degree>
> mars_point;
// Declare two points
// (Source: http://nssdc.gsfc.nasa.gov/planetary/mars_mileage_guide.html)
// (Other sources: Wiki and Google give slightly different coordinates, resulting
// in other distance, 20 km off)
mars_point viking1(-48.23, 22.54); // Viking 1 landing site in Chryse Planitia
mars_point pathfinder(-33.55, 19.33); // Pathfinder landing site in Ares Vallis
double d = boost::geometry::distance(viking1, pathfinder); // Distance in radians on unit-sphere
// Using the Mars mean radius
// (Source: http://nssdc.gsfc.nasa.gov/planetary/factsheet/marsfact.html)
std::cout << "Distance between Viking1 and Pathfinder landing sites: "
<< d * 3389.5 << " km" << std::endl;
// We would get 832.616 here, same order as the 835 (rounded on 5 km) listed
// on the mentioned site
#ifdef OPTIONALLY_ELLIPSOIDAL
// Optionally the distance can be calculated more accurate by an Ellipsoidal approach,
// giving 834.444 km
d = boost::geometry::distance(viking1, pathfinder,
boost::geometry::strategy::distance::andoyer<mars_point>
(boost::geometry::detail::ellipsoid<double>(3396.2, 3376.2)));
std::cout << "Ellipsoidal distance: " << d << " km" << std::endl;
#endif
return 0;
}

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@ -0,0 +1,171 @@
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="8.00"
Name="c10_custom_cs_example"
ProjectGUID="{E16737C9-E1F7-450E-9251-B35840FE69B5}"
RootNamespace="c10_custom_cs_example"
Keyword="Win32Proj"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)\c10_custom_cs_example"
ConfigurationType="1"
InheritedPropertySheets=".\boost.vsprops"
CharacterSet="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
RuntimeLibrary="1"
DisableLanguageExtensions="false"
UsePrecompiledHeader="0"
DebugInformationFormat="1"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
GenerateDebugInformation="true"
SubSystem="1"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCWebDeploymentTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Release|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)\c10_custom_cs_example"
ConfigurationType="1"
InheritedPropertySheets=".\boost.vsprops"
CharacterSet="1"
WholeProgramOptimization="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
UsePrecompiledHeader="0"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
SubSystem="1"
OptimizeReferences="2"
EnableCOMDATFolding="2"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCWebDeploymentTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<File
RelativePath=".\c10_custom_cs_example.cpp"
>
</File>
</Files>
<Globals>
</Globals>
</VisualStudioProject>

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@ -0,0 +1,128 @@
// Boost.Geometry (aka GGL, Generic Geometry Library)
//
// Copyright Barend Gehrels 2010, Geodan, Amsterdam, the Netherlands
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Example: Custom coordinate system example, using transform
#include <iostream>
#include <boost/geometry/geometry.hpp>
// See also c10_custom_cs_example
// 1: declare, for example two cartesian coordinate systems
struct cart {};
struct cart_shifted5 {};
// 2: register to which coordinate system family they belong
namespace boost { namespace geometry { namespace traits
{
template<> struct cs_tag<cart> { typedef cartesian_tag type; };
template<> struct cs_tag<cart_shifted5> { typedef cartesian_tag type; };
}}} // namespaces
// 3: sample implementation of a shift
// to convert coordinate system "cart" to "cart_shirted5"
template <typename P1, typename P2>
struct shift
{
inline bool apply(P1 const& p1, P2& p2) const
{
namespace bg = boost::geometry;
bg::set<0>(p2, bg::get<0>(p1) + 5);
bg::set<1>(p2, bg::get<1>(p1));
return true;
}
};
// 4: register the default strategy to transform any cart point to any cart_shifted5 point
// (note: this will be renamed to "default_strategy" in the near future)
namespace boost { namespace geometry
{
template <typename P1, typename P2>
struct strategy_transform<cartesian_tag, cartesian_tag, cart, cart_shifted5, 2, 2, P1, P2>
{
typedef shift<P1, P2> type;
};
}} // namespaces
// 5: implement a distance strategy between the two different ones
template <typename P1, typename P2>
struct shift_and_calc_distance
{
inline double apply(P1 const& p1, P2 const& p2) const
{
P2 p1_shifted;
boost::geometry::transform(p1, p1_shifted);
return boost::geometry::distance(p1_shifted, p2);
}
};
// 6: Define point types using this explicitly
typedef boost::geometry::point<double, 2, cart> point1;
typedef boost::geometry::point<double, 2, cart_shifted5> point2;
// 7: register the distance strategy
namespace boost { namespace geometry { namespace strategy { namespace distance { namespace services
{
template <typename Point1, typename Point2>
struct tag<shift_and_calc_distance<Point1, Point2> >
{
typedef strategy_tag_distance_point_point type;
};
template <typename Point1, typename Point2>
struct return_type<shift_and_calc_distance<Point1, Point2> >
{
typedef double type;
};
template <>
struct default_strategy<point_tag, point1, point2, cartesian_tag, cartesian_tag>
{
typedef shift_and_calc_distance<point1, point2> type;
};
}}}}}
int main()
{
point1 p1_a(0, 0), p1_b(5, 5);
point2 p2_a(2, 2), p2_b(6, 6);
// Distances run for points on the same coordinate system.
// This is possible by default because they are cartesian coordinate systems.
double d1 = boost::geometry::distance(p1_a, p1_b);
double d2 = boost::geometry::distance(p2_a, p2_b);
// Transform from a to b:
boost::geometry::point<double, 2, cart_shifted5> p1_shifted;
boost::geometry::transform(p1_a, p1_shifted);
// Of course this can be calculated now, same CS
double d3 = boost::geometry::distance(p1_shifted, p2_a);
// Calculate distance between them. Note that inside distance the
// transformation is called.
double d4 = boost::geometry::distance(p1_a, p2_a);
// The result should be the same.
std::cout << d3 << " " << d4 << std::endl;
return 0;
}

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@ -0,0 +1,171 @@
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="8.00"
Name="c11_custom_cs_transform_example"
ProjectGUID="{E73E52EC-9BDC-4777-ABB2-DB14FAF27AA5}"
RootNamespace="c11_custom_cs_transform_example"
Keyword="Win32Proj"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)\c11_custom_cs_transform_example"
ConfigurationType="1"
InheritedPropertySheets=".\boost.vsprops"
CharacterSet="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
RuntimeLibrary="1"
DisableLanguageExtensions="false"
UsePrecompiledHeader="0"
DebugInformationFormat="1"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
GenerateDebugInformation="true"
SubSystem="1"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCWebDeploymentTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Release|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)\c11_custom_cs_transform_example"
ConfigurationType="1"
InheritedPropertySheets=".\boost.vsprops"
CharacterSet="1"
WholeProgramOptimization="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
UsePrecompiledHeader="0"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
SubSystem="1"
OptimizeReferences="2"
EnableCOMDATFolding="2"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCWebDeploymentTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<File
RelativePath=".\c11_custom_cs_transform_example.cpp"
>
</File>
</Files>
<Globals>
</Globals>
</VisualStudioProject>

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@ -20,6 +20,10 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "c08_custom_non_std_example"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "c09_custom_fusion_example", "c09_custom_fusion_example.vcproj", "{DA36AD55-E448-43DE-A974-EA765AE3967A}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "c10_custom_cs_example", "c10_custom_cs_example.vcproj", "{E16737C9-E1F7-450E-9251-B35840FE69B5}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "c11_custom_cs_transform_example", "c11_custom_cs_transform_example.vcproj", "{E73E52EC-9BDC-4777-ABB2-DB14FAF27AA5}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
@ -66,6 +70,14 @@ Global
{DA36AD55-E448-43DE-A974-EA765AE3967A}.Debug|Win32.Build.0 = Debug|Win32
{DA36AD55-E448-43DE-A974-EA765AE3967A}.Release|Win32.ActiveCfg = Release|Win32
{DA36AD55-E448-43DE-A974-EA765AE3967A}.Release|Win32.Build.0 = Release|Win32
{E16737C9-E1F7-450E-9251-B35840FE69B5}.Debug|Win32.ActiveCfg = Debug|Win32
{E16737C9-E1F7-450E-9251-B35840FE69B5}.Debug|Win32.Build.0 = Debug|Win32
{E16737C9-E1F7-450E-9251-B35840FE69B5}.Release|Win32.ActiveCfg = Release|Win32
{E16737C9-E1F7-450E-9251-B35840FE69B5}.Release|Win32.Build.0 = Release|Win32
{E73E52EC-9BDC-4777-ABB2-DB14FAF27AA5}.Debug|Win32.ActiveCfg = Debug|Win32
{E73E52EC-9BDC-4777-ABB2-DB14FAF27AA5}.Debug|Win32.Build.0 = Debug|Win32
{E73E52EC-9BDC-4777-ABB2-DB14FAF27AA5}.Release|Win32.ActiveCfg = Release|Win32
{E73E52EC-9BDC-4777-ABB2-DB14FAF27AA5}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE