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Deeper test coverage for support tree generation.

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Restructuring for testability.
This commit is contained in:
tamasmeszaros
2019-09-26 09:42:08 +02:00
parent 277f6786d8
commit 705e82ec8e
14 changed files with 2884 additions and 2674 deletions
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136
src/libslic3r/SLA/SLASupportTree.hpp
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@@ -2,23 +2,14 @@
#define SLASUPPORTTREE_HPP
#include <vector>
#include <array>
#include <cstdint>
#include <memory>
#include <Eigen/Geometry>
#include "SLACommon.hpp"
#include "SLAPad.hpp"
namespace Slic3r {
// Needed types from Point.hpp
typedef int32_t coord_t;
typedef Eigen::Matrix<double, 3, 1, Eigen::DontAlign> Vec3d;
typedef Eigen::Matrix<float, 3, 1, Eigen::DontAlign> Vec3f;
typedef Eigen::Matrix<coord_t, 3, 1, Eigen::DontAlign> Vec3crd;
typedef std::vector<Vec3d> Pointf3s;
typedef std::vector<Vec3crd> Points3;
class TriangleMesh;
class Model;
class ModelInstance;
@@ -31,13 +22,17 @@ using ExPolygons = std::vector<ExPolygon>;
namespace sla {
enum class PillarConnectionMode {
enum class PillarConnectionMode
{
zigzag,
cross,
dynamic
};
struct SupportConfig {
struct SupportConfig
{
bool enabled = true;
// Radius in mm of the pointing side of the head.
double head_front_radius_mm = 0.2;
@@ -108,93 +103,78 @@ struct SupportConfig {
static const unsigned max_bridges_on_pillar;
};
struct PadConfig;
enum class MeshType { Support, Pad };
/// A Control structure for the support calculation. Consists of the status
/// indicator callback and the stop condition predicate.
struct Controller {
struct JobController
{
using StatusFn = std::function<void(unsigned, const std::string&)>;
using StopCond = std::function<bool(void)>;
using CancelFn = std::function<void(void)>;
// This will signal the status of the calculation to the front-end
std::function<void(unsigned, const std::string&)> statuscb =
[](unsigned, const std::string&){};
StatusFn statuscb = [](unsigned, const std::string&){};
// Returns true if the calculation should be aborted.
std::function<bool(void)> stopcondition = [](){ return false; };
StopCond stopcondition = [](){ return false; };
// Similar to cancel callback. This should check the stop condition and
// if true, throw an appropriate exception. (TriangleMeshSlicer needs this)
// consider it a hard abort. stopcondition is permits the algorithm to
// terminate itself
std::function<void(void)> cancelfn = [](){};
CancelFn cancelfn = [](){};
};
/* ************************************************************************** */
struct SupportableMesh
{
EigenMesh3D emesh;
SupportPoints pts;
SupportConfig cfg;
explicit SupportableMesh(const TriangleMesh & trmsh,
const SupportPoints &sp,
const SupportConfig &c)
: emesh{trmsh}, pts{sp}, cfg{c}
{}
explicit SupportableMesh(const EigenMesh3D &em,
const SupportPoints &sp,
const SupportConfig &c)
: emesh{em}, pts{sp}, cfg{c}
{}
};
/// The class containing mesh data for the generated supports.
class SLASupportTree {
class Impl; // persistent support data
std::unique_ptr<Impl> m_impl;
Impl& get() { return *m_impl; }
const Impl& get() const { return *m_impl; }
friend void add_sla_supports(Model&,
const SupportConfig&,
const Controller&);
// The generation algorithm is quite long and will be captured in a separate
// class with private data, helper methods, etc... This data is only needed
// during the calculation whereas the Impl class contains the persistent
// data, mostly the meshes.
class Algorithm;
// Generate the 3D supports for a model intended for SLA print. This
// will instantiate the Algorithm class and call its appropriate methods
// with status indication.
bool generate(const std::vector<SupportPoint>& pts,
const EigenMesh3D& mesh,
const SupportConfig& cfg = {},
const Controller& ctl = {});
class SupportTree
{
JobController m_ctl;
public:
SLASupportTree(double ground_level = 0.0);
SLASupportTree(const std::vector<SupportPoint>& pts,
const EigenMesh3D& em,
const SupportConfig& cfg = {},
const Controller& ctl = {});
using UPtr = std::unique_ptr<SupportTree>;
SLASupportTree(const SLASupportTree&) = delete;
SLASupportTree& operator=(const SLASupportTree&) = delete;
SLASupportTree(SLASupportTree &&o);
SLASupportTree &operator=(SLASupportTree &&o);
static UPtr create(const SupportableMesh &input,
const JobController &ctl = {});
~SLASupportTree();
virtual ~SupportTree() = default;
/// Get the whole mesh united into the output TriangleMesh
/// WITHOUT THE PAD
const TriangleMesh& merged_mesh() const;
virtual const TriangleMesh &retrieve_mesh(MeshType meshtype) const = 0;
void merged_mesh_with_pad(TriangleMesh&) const;
std::vector<ExPolygons> slice(const std::vector<float> &,
float closing_radius) const;
/// Adding the "pad" (base pool) under the supports
/// Adding the "pad" under the supports.
/// modelbase will be used according to the embed_object flag in PoolConfig.
/// If set, the plate will interpreted as the model's intrinsic pad.
/// If set, the plate will be interpreted as the model's intrinsic pad.
/// Otherwise, the modelbase will be unified with the base plate calculated
/// from the supports.
const TriangleMesh& add_pad(const ExPolygons& modelbase,
const PadConfig& pcfg) const;
/// Get the pad geometry
const TriangleMesh& get_pad() const;
void remove_pad();
virtual const TriangleMesh &add_pad(const ExPolygons &modelbase,
const PadConfig & pcfg) = 0;
virtual void remove_pad() = 0;
std::vector<ExPolygons> slice(const std::vector<float> &,
float closing_radius) const;
void retrieve_full_mesh(TriangleMesh &outmesh) const;
const JobController &ctl() const { return m_ctl; }
};
}