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83 lines
2.8 KiB
83 lines
2.8 KiB
#ifndef MEDUSA_BITS_DOMAINS_TRANSLATEDSHAPE_FWD_HPP_
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#define MEDUSA_BITS_DOMAINS_TRANSLATEDSHAPE_FWD_HPP_
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#include <medusa/Config.hpp>
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#include <medusa/bits/types/Vec_fwd.hpp>
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#include "DomainShape_fwd.hpp"
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/**
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* @file
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* Declaration of class for translated domain shapes.
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*
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* @example test/domains/TranslatedShape_test.cpp
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*/
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namespace mm {
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/**
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* Class for working with translated domain shapes. An existing domain shape can be translated
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* to another point in the space, along with correctly working `contains` and discretization
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* methods.
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*
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* Usage example:
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* @snippet domains/TranslatedShape_test.cpp TranslatedShape usage example
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* @ingroup domains
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*/
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template <typename vec_t>
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class TranslatedShape : public DomainShape<vec_t> {
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deep_copy_unique_ptr<DomainShape<vec_t>> sh; ///< Shape to be translated.
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vec_t a; ///< Translation vector
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public:
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/**
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* Construct a translated shape by specifying a shape and a translation vector.
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* Can be easily constructed using DomainShape::translate or DomainDiscretization::translate.
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*/
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TranslatedShape(const DomainShape<vec_t>& sh, const vec_t& a);
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using typename DomainShape<vec_t>::scalar_t;
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using DomainShape<vec_t>::dim;
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using DomainShape<vec_t>::discretizeBoundaryWithDensity;
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using DomainShape<vec_t>::discretizeWithDensity;
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using DomainShape<vec_t>::discretizeBoundaryWithStep;
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using DomainShape<vec_t>::discretizeWithStep;
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bool contains(const vec_t& point) const override {
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return sh->contains(point-a);
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}
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bool hasContains() const override { return sh->hasContains(); }
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std::pair<vec_t, vec_t> bbox() const override {
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auto bb = sh->bbox();
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return {bb.first+a, bb.second+a};
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}
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TranslatedShape<vec_t>* clone() const override { return new TranslatedShape(*this); }
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std::ostream& print(std::ostream& os) const override {
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return os << "Shape " << *sh << " translated by " << a;
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}
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DomainDiscretization<vec_t> discretizeBoundaryWithStep(scalar_t step, int type) const override;
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DomainDiscretization<vec_t> discretizeWithStep(scalar_t step, int internal_type,
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int boundary_type) const override;
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DomainDiscretization<vec_t> discretizeWithDensity(
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const std::function<scalar_t(vec_t)>& dr, int internal_type,
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int boundary_type) const override;
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DomainDiscretization<vec_t> discretizeBoundaryWithDensity(
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const std::function<scalar_t(vec_t)>& dr, int type) const override;
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/// Returns the underlying shape.
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const DomainShape<vec_t>& shape() const { return *sh; }
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/// Returns the translation vector.
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vec_t translation() const { return a; }
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};
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} // namespace mm
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#endif // MEDUSA_BITS_DOMAINS_TRANSLATEDSHAPE_FWD_HPP_
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