Spatial_window #27
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,60 @@ | ||
| /* | ||
| * Copyright (c) 2019 - 2025 Geode-solutions | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| * | ||
| */ | ||
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| #include <geode/stochastic/spatial/spatial_domain.hpp> | ||
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| namespace | ||
| { | ||
| template < geode::index_t dimension > | ||
| void declare_spatial_domain( pybind11::module& module ) | ||
| { | ||
| using Domain = geode::SpatialDomain< dimension >; | ||
| using BBox = geode::BoundingBox< dimension >; | ||
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| const auto pyclass_name = | ||
| "SpatialDomain" + std::to_string( dimension ) + "D"; | ||
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| pybind11::class_< Domain >( module, pyclass_name.c_str() ) | ||
| .def( pybind11::init< const BBox&, double >(), | ||
| pybind11::arg( "domain" ), pybind11::arg( "buffer_size" ), | ||
| R"doc( | ||
| Create a spatial domain composed of: | ||
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| - a core domain (the VOI) | ||
| - a buffer zone | ||
| - the extended domain (domain + buffer) | ||
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| Arguments: | ||
| domain (BoundingBox): main domain / VOI | ||
| buffer_size (float): buffer thickness | ||
| )doc" ); | ||
| } | ||
| } // namespace | ||
| namespace geode | ||
| { | ||
| void define_spatial_domain( pybind11::module& module ) | ||
| { | ||
| declare_spatial_domain< 2 >( module ); | ||
| declare_spatial_domain< 3 >( module ); | ||
| } | ||
| } // namespace geode |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -29,30 +29,32 @@ | |
| #include <geode/stochastic/sampling/direct/object_set_sampler/object_set_sampler.hpp> | ||
| #include <geode/stochastic/sampling/direct/point_uniform_sampler.hpp> | ||
| #include <geode/stochastic/sampling/direct/segment_uniform_sampler.hpp> | ||
| #include <geode/stochastic/spatial/spatial_domain.hpp> | ||
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| namespace geode | ||
| { | ||
| class UniformSegmentSetSampler : public ObjectSetSampler< OwnerSegment2D > | ||
| { | ||
| public: | ||
| UniformSegmentSetSampler( const SpatialDomain< 2 >& domain, | ||
| const DoubleSampler::Distribution& length, | ||
| const DoubleSampler::Distribution& azimuth ) | ||
| : ObjectSetSampler< OwnerSegment2D >{}, | ||
| domain_{ domain }, | ||
| length_{ length }, | ||
| azimuth_{ azimuth } | ||
| { | ||
| auto volume = domain_.extended_n_volume(); | ||
| OPENGEODE_EXCEPTION( volume != 0., | ||
| "[SegmentSetSampler] - Undefined Extended Bounding " | ||
| "Box (volume ==0)." ); | ||
| this->log_pdf_ = -std::log( volume ); | ||
| } | ||
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| OwnerSegment2D sample( RandomEngine& engine ) const override | ||
| { | ||
| auto seg = SegmentUniformSampler::sample( | ||
| engine, domain_.extended_box(), length_, azimuth_ ); | ||
| return seg; | ||
| } | ||
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@@ -72,8 +74,8 @@ namespace geode | |
| constexpr index_t max_try{ 100 }; | ||
| for( const auto try_id : geode::Range{ max_try } ) | ||
| { | ||
| if( domain_.extended_contains( new_point ) | ||
| || domain_.extended_contains( extremities[other] ) ) | ||
| { | ||
| OwnerSegment2D new_segment{ obj }; | ||
| new_segment.set_point( current, new_point ); | ||
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@@ -82,22 +84,20 @@ namespace geode | |
| new_point = PointUniformSampler::sample< 2 >( engine, ball ); | ||
| } | ||
| throw OpenGeodeException( absl::StrCat( | ||
| "[SegmentSetSampler] - Cannot find a point in the box" ) ); | ||
| return obj; | ||
| } | ||
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| private: | ||
| bool is_valid_object( const OwnerSegment2D& obj ) const override | ||
| { | ||
| const auto& extremities = obj.vertices(); | ||
| return domain_.extended_contains( extremities[0] ) | ||
| || domain_.extended_contains( extremities[1] ); | ||
| } | ||
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| private: | ||
| const SpatialDomain< 2 >& domain_; | ||
| DoubleSampler::Distribution length_; | ||
| DoubleSampler::Distribution azimuth_; | ||
| }; | ||
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| Original file line number | Diff line number | Diff line change |
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@@ -32,6 +32,7 @@ | |
| #include <geode/stochastic/sampling/mcmc/models/components/pairwise_term.hpp> | ||
| #include <geode/stochastic/sampling/mcmc/proposal/classical_proposals.hpp> | ||
| #include <geode/stochastic/spatial/pairwise_interactions.hpp> | ||
| #include <geode/stochastic/spatial/spatial_domain.hpp> | ||
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| namespace geode | ||
| { | ||
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@@ -72,7 +73,10 @@ namespace geode | |
| class FractureSimulationRunner : public SimulationRunner< OwnerSegment2D > | ||
| { | ||
| public: | ||
| FractureSimulationRunner( const SpatialDomain< 2 >& domain ) | ||
| : SimulationRunner< OwnerSegment2D >( domain ) | ||
| { | ||
| } | ||
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| void add_fracture_set_descriptor( | ||
| const FractureSetDescription& descriptor ) | ||
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@@ -101,7 +105,7 @@ namespace geode | |
| set_desc.azimuth ); | ||
| this->set_samplers_.push_back( | ||
| std::make_unique< UniformSegmentSetSampler >( | ||
| domain_, length_distribution, azimuth_distribution ) ); | ||
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| add_birth_death_change_moves( this->set_samplers_.back(), | ||
| *proposal_kernel, set_id, set_desc.birth_ratio, | ||
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@@ -117,7 +121,8 @@ namespace geode | |
| this->energy_terms_collection_.add_energy_term( | ||
| std::make_unique< DensityTerm< OwnerSegment2D > >( | ||
| absl::StrCat( set_desc.name, "_density" ), | ||
| set_desc.p20, std::vector< uuid >{ set_id }, | ||
| this->domain_ ) ) ); | ||
| // spacing | ||
| if( set_desc.minimal_spacing < GLOBAL_EPSILON ) | ||
| { | ||
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@@ -133,7 +138,7 @@ namespace geode | |
| std::make_unique< PairwiseTerm< OwnerSegment2D > >( | ||
| absl::StrCat( set_desc.name, "_min_spacing" ), 0., | ||
| std::vector< uuid >{ set_id }, | ||
| std::move( interaction ), this->domain_ ) ) ); | ||
| } | ||
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| this->mh_sampler_ = | ||
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@@ -159,7 +164,6 @@ namespace geode | |
| } | ||
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| private: | ||
| std::vector< FractureSetDescription > set_descriptors_; | ||
| }; | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -27,6 +27,7 @@ | |
| #include <geode/stochastic/sampling/mcmc/helpers/simulation_printer.hpp> | ||
| #include <geode/stochastic/sampling/mcmc/metropolis_hasting_sampler.hpp> | ||
| #include <geode/stochastic/sampling/mcmc/models/energy_term_collection.hpp> | ||
| #include <geode/stochastic/spatial/spatial_domain.hpp> | ||
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| #include <absl/strings/str_join.h> | ||
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@@ -62,7 +63,8 @@ namespace geode | |
| class SimulationRunner | ||
| { | ||
| public: | ||
| SimulationRunner( const SpatialDomain< ObjectType::dim >& domain ) | ||
| : domain_( domain ) {}; | ||
| virtual ~SimulationRunner() = default; | ||
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| virtual void initialize() = 0; | ||
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@@ -153,6 +155,7 @@ namespace geode | |
| } | ||
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| protected: | ||
| SpatialDomain< ObjectType::dim > domain_; | ||
| std::vector< std::unique_ptr< geode::ObjectSetSampler< ObjectType > > > | ||
| set_samplers_; | ||
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