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Commit b75bc926 authored by Sylvain Thery's avatar Sylvain Thery
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Ajout import fichier numerisation

parent effbd507
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include/Algo/Import/AHEM.h 0 → 100644
View file @ b75bc926
#ifndef __AHEM_H__
#define __AHEM_H__
#include <string>
#ifdef _WIN32
typedef __int8 stInt8;
typedef __int16 stInt16;
typedef __int32 stInt32;
typedef __int64 stInt64;
typedef unsigned __int8 stUInt8;
typedef unsigned __int16 stUInt16;
typedef unsigned __int32 stUInt32;
typedef unsigned __int64 stUInt64;
#else
#include <stdint.h>
typedef int8_t stInt8;
typedef int16_t stInt16;
typedef int32_t stInt32;
typedef int64_t stInt64;
typedef uint8_t stUInt8;
typedef uint16_t stUInt16;
typedef uint32_t stUInt32;
typedef uint64_t stUInt64;
#endif
#ifdef _WIN32
#include <InitGuid.h>
#define DEFINE_GUID_INFUNC(name, dw, w0, w1, b0, b1, b2, b3, b4, b5, b6, b7) static const GUID name = { dw, w0, w1, { b0, b1, b2, b3, b4, b5, b6, b7 } }
#else
#include <uuid/uuid.h>
#define DEFINE_GUID(name, dw, w0, w1, b0, b1, b2, b3, b4, b5, b6, b7) UUID_DEFINE(name, dw & 0xff, (dw >> 8) & 0xff, (dw >> 16) & 0xff, (dw >> 24) & 0xff, w0 & 0xff, (w0 >> 8) & 0xff, w1 & 0xff, (w1 >> 8) & 0xff, b0, b1, b2, b3, b4, b5, b6, b7)
#define DEFINE_GUID_INFUNC DEFINE_GUID
typedef uuid_t GUID;
#endif
inline bool IsEqualGUID(const stUInt8* v1, const GUID& v2)
{
const stUInt32* w1 = (stUInt32*)v1;
const stUInt32* w2 = (stUInt32*)&v2;
return w1[0] == w2[0] && w1[1] == w2[1] && w1[2] == w2[2] && w1[3] == w2[3];
}
// {1B8E15D6-FE16-44E2-BDC8-9FBA3420B267}
DEFINE_GUID(AHEMDATATYPE_INT8, 0x1b8e15d6, 0xfe16, 0x44e2, 0xbd, 0xc8, 0x9f, 0xba, 0x34, 0x20, 0xb2, 0x67);
// {3D772789-9D2A-4527-8709-5B3E08BDD071}
DEFINE_GUID(AHEMDATATYPE_UINT8, 0x3d772789, 0x9d2a, 0x4527, 0x87, 0x9, 0x5b, 0x3e, 0x8, 0xbd, 0xd0, 0x71);
// {E6D2DD95-A4EF-4EA3-82FF-12F4BAB40C51}
DEFINE_GUID(AHEMDATATYPE_INT16, 0xe6d2dd95, 0xa4ef, 0x4ea3, 0x82, 0xff, 0x12, 0xf4, 0xba, 0xb4, 0xc, 0x51);
// {5A926579-9586-413B-BEF5-992E0A9CA8E5}
DEFINE_GUID(AHEMDATATYPE_UINT16, 0x5a926579, 0x9586, 0x413b, 0xbe, 0xf5, 0x99, 0x2e, 0xa, 0x9c, 0xa8, 0xe5);
// {717210F9-4AB4-4ED3-9ACC-8AC89AA6BE55}
DEFINE_GUID(AHEMDATATYPE_INT32, 0x717210f9, 0x4ab4, 0x4ed3, 0x9a, 0xcc, 0x8a, 0xc8, 0x9a, 0xa6, 0xbe, 0x55);
// {9EA6E534-B251-44C7-B40C-C33CCCD6C18F}
DEFINE_GUID(AHEMDATATYPE_UINT32, 0x9ea6e534, 0xb251, 0x44c7, 0xb4, 0xc, 0xc3, 0x3c, 0xcc, 0xd6, 0xc1, 0x8f);
// {F10D01EF-D677-453B-B7A7-E3C85E56A18D}
DEFINE_GUID(AHEMDATATYPE_INT64, 0xf10d01ef, 0xd677, 0x453b, 0xb7, 0xa7, 0xe3, 0xc8, 0x5e, 0x56, 0xa1, 0x8d);
// {C0FD73C4-8A06-4CB0-86D4-1B305BCEC3C7}
DEFINE_GUID(AHEMDATATYPE_UINT64, 0xc0fd73c4, 0x8a06, 0x4cb0, 0x86, 0xd4, 0x1b, 0x30, 0x5b, 0xce, 0xc3, 0xc7);
// {2BD6E606-E3E3-4873-AA23-21D552EB11B3}
DEFINE_GUID(AHEMDATATYPE_FLOAT32, 0x2bd6e606, 0xe3e3, 0x4873, 0xaa, 0x23, 0x21, 0xd5, 0x52, 0xeb, 0x11, 0xb3);
// {4CC5D944-4336-49B0-901D-842E30E87D3E}
DEFINE_GUID(AHEMDATATYPE_FLOAT64, 0x4cc5d944, 0x4336, 0x49b0, 0x90, 0x1d, 0x84, 0x2e, 0x30, 0xe8, 0x7d, 0x3e);
// {0FDAF25D-2389-4A6D-BE3B-F8C00D118F23}
DEFINE_GUID(AHEMATTRIBUTE_POSITION, 0xfdaf25d, 0x2389, 0x4a6d, 0xbe, 0x3b, 0xf8, 0xc0, 0xd, 0x11, 0x8f, 0x23);
#define AHEM_MAGIC 0x4148454D
#ifdef _WIN32
typedef enum : stUInt32
#else
typedef enum
#endif
{
AHEMATTROWNER_UNKNOWN = 0,
AHEMATTROWNER_HALFEDGE = 1,
AHEMATTROWNER_VERTEX = 2,
AHEMATTROWNER_FACE = 3,
AHEMATTROWNER_HE_FACECORNER = 4,
#ifndef _WIN32
AHEMATTROWNER_FORCE_DWORD = 0xffffffff
#endif
} AHEMAttributeOwner;
#pragma pack(push, 1)
typedef struct
{
stUInt32 meshChunkSize;
stUInt32 heCount;
stUInt32 vxCount;
stUInt32 faceCount;
stUInt32 faceMaxSize;
} AHEMTopologyHeader;
typedef struct
{
stUInt32 fileStartOffset;
stUInt32 attributeChunkSize;
stUInt8 semantic[16]; // Semantic GUID
AHEMAttributeOwner owner;
stUInt32 attrPodSize; // 0 means non-pod-stored attribute
stUInt8 dataType[16]; // datatype GUID
stUInt32 dimension;
stUInt32 nameSize;
} AHEMAttributeDescriptor;
#define AHEM_MAGIC 0x4148454D
typedef struct
{
stUInt32 magic;
stUInt32 version;
AHEMTopologyHeader meshHdr;
stUInt32 meshFileStartOffset;
stUInt32 attributesChunkNumber;
} AHEMHeader;
typedef struct
{
stUInt32 batchLength;
stUInt32 batchFaceSize;
} AHEMFaceBatchDescriptor;
#pragma pack(pop)
#endif // __AHEM_H__
include/Algo/Import/AHEMImporter.h 0 → 100644
View file @ b75bc926
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps *
* version 0.1 *
* Copyright (C) 2009, IGG Team, LSIIT, University of Strasbourg *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your *
* option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
* *
* Web site: https://iggservis.u-strasbg.fr/CGoGN/ *
* Contact information: cgogn@unistra.fr *
* *
*******************************************************************************/
#ifndef __AHEMIMPORTER_H__
#define __AHEMIMPORTER_H__
#include <fstream>
#include "Algo/Import/AHEM.h"
namespace CGoGN
{
namespace Algo
{
namespace Import
{
/*
* Actual loaders for attributes
*/
template<typename MapType>
class AttributeImporter
{
public:
#ifdef _WIN32
virtual ~AttributeImporter() = 0 {}
#else
virtual ~AttributeImporter() {}
#endif
virtual bool Handleable(const AHEMAttributeDescriptor* ad) const = 0;
virtual void ImportAttribute( MapType& map,
const unsigned int* verticesId,
const Dart* facesId,
const AHEMHeader* hdr,
const char* attrName,
const AHEMAttributeDescriptor* ad,
const void* buffer) const = 0;
};
static const unsigned int ATTRIBUTE_NOTFOUND = (unsigned int)-1;
/*
* Importer
*/
template<typename PFP>
class AHEMImporter
{
public:
AHEMImporter(bool useDefaultImporters = true);
~AHEMImporter();
bool Open(typename PFP::MAP* m, const char* filename);
void Close();
void LoadMesh();
bool LoadAttribute(unsigned int attrIx, const char* attrName, const AttributeImporter<typename PFP::MAP>* imp);
bool LoadAttribute(const GUID& semantic, const char* attrName = NULL);
void LoadAllAttributes(bool* status = NULL);
// Low-level access to attributes
inline unsigned int GetAttributesNum();
inline void GetAttribute(AHEMAttributeDescriptor** ad, char** attrName, unsigned int ix);
inline unsigned int FindAttribute(const GUID& semantic);
// Attribute importers and helpers
std::vector<AttributeImporter<typename PFP::MAP>*> loadersRegistry;
inline std::vector<AttributeImporter<typename PFP::MAP>*> FindImporters(const GUID& attrSemanticId);
inline std::vector<AttributeImporter<typename PFP::MAP>*> FindImporters(const AHEMAttributeDescriptor* ad);
protected:
void LoadTopology();
void LoadPosition(AHEMAttributeDescriptor* posDescr);
typename PFP::MAP* map;
std::ifstream f;
AHEMHeader hdr;
AHEMAttributeDescriptor* attrDesc;
char** attrNames;
char* buffer;
unsigned int bufferSize;
unsigned int* verticesId;
Dart* facesId;
};
} // namespace Import
} // namespace Algo
} // namespace CGoGN
#include "Algo/Import/AHEMImporter.hpp"
#endif
include/Algo/Import/AHEMImporter.hpp 0 → 100644
View file @ b75bc926
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps *
* version 0.1 *
* Copyright (C) 2009, IGG Team, LSIIT, University of Strasbourg *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your *
* option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
* *
* Web site: https://iggservis.u-strasbg.fr/CGoGN/ *
* Contact information: cgogn@unistra.fr *
* *
*******************************************************************************/
#include "Topology/generic/attributeHandler.h"
#include "Geometry/matrix.h"
#include "Algo/Import/AHEMImporterDefAttr.h"
namespace CGoGN
{
namespace Algo
{
namespace Import
{
class HESorter
{
public:
unsigned int vxIdTo;
unsigned int vxIdFrom;
Dart d;
inline bool operator<(const HESorter& h) const
{
return (vxIdTo < h.vxIdTo) || (vxIdTo == h.vxIdTo && vxIdFrom < h.vxIdFrom);
}
};
#ifdef _WIN32
int __cdecl OppositeSearch(const void* key, const void* datum)
#else
int OppositeSearch(const void* key, const void* datum)
#endif
{
HESorter* k = (HESorter*)key;
HESorter* d = (HESorter*)datum;
int z = (int)k->vxIdFrom - (int)d->vxIdTo;
return z != 0 ? z : ((int)k->vxIdTo - (int)d->vxIdFrom);
}
template<typename PFP>
AHEMImporter<PFP>::AHEMImporter(bool useDefaultImporters)
{
map = NULL;
attrDesc = NULL;
attrNames = NULL;
verticesId = NULL;
facesId = NULL;
// Default attribute loaders
if(useDefaultImporters)
{
loadersRegistry.push_back(new UniversalLoader<typename PFP::MAP, Vec3FloatLoader>);
loadersRegistry.push_back(new UniversalLoader<typename PFP::MAP, Mat44FloatLoader>);
}
}
template<typename PFP>
AHEMImporter<PFP>::~AHEMImporter()
{
if(f.is_open())
Close();
// Release all registered attribute loaders
for(unsigned int i = 0 ; i < loadersRegistry.size() ; i++)
delete loadersRegistry[i];
}
template<typename PFP>
bool AHEMImporter<PFP>::Open(typename PFP::MAP* m, const char* filename)
{
// Halt if file is a file is already open
if(f.is_open() || map)
return false;
// Open file
f.open(filename, std::ios::binary);
if (!f.good())
{
CGoGNerr << "Unable to open file " << filename << CGoGNendl;
return false;
}
// Keep track of current map
map = m;
// Read header
f.read((char*)&hdr, sizeof(AHEMHeader));
if(hdr.magic != AHEM_MAGIC)
CGoGNerr << "Warning: " << filename << " invalid magic" << CGoGNendl;
// Read attributes
attrDesc = new AHEMAttributeDescriptor[hdr.attributesChunkNumber];
attrNames = new char*[hdr.attributesChunkNumber];
for(unsigned int i = 0 ; i < hdr.attributesChunkNumber ; i++)
{
f.read((char*)(attrDesc + i), sizeof(AHEMAttributeDescriptor));
attrNames[i] = new char[attrDesc[i].nameSize + 1];
f.read(attrNames[i], attrDesc[i].nameSize);
attrNames[i][attrDesc[i].nameSize] = '\0';
}
// Compute buffer size for largest chunk and allocate
bufferSize = hdr.meshHdr.meshChunkSize;
for(unsigned int i = 0 ; i < hdr.attributesChunkNumber ; i++)
if(attrDesc[i].attributeChunkSize > bufferSize)
bufferSize = attrDesc[i].attributeChunkSize;
buffer = new char[bufferSize];
return true;
}
template<typename PFP>
void AHEMImporter<PFP>::Close()
{
map = NULL;
f.close();
for(unsigned int i = 0 ; i < hdr.attributesChunkNumber ; i++)
delete[] attrNames[i];
delete[] attrNames;
attrNames = NULL;
delete[] attrDesc;
attrDesc = NULL;
delete[] buffer;
buffer = NULL;
delete[] verticesId;
verticesId = NULL;
delete[] facesId;
facesId = NULL;
}
template<typename PFP>
void AHEMImporter<PFP>::LoadMesh()
{
// Load mesh topological structure
LoadTopology();
// Load vertices position
for(unsigned int i = 0 ; i < hdr.attributesChunkNumber ; i++)
if(IsEqualGUID(attrDesc[i].semantic, AHEMATTRIBUTE_POSITION))
{
LoadPosition(attrDesc + i);
break;
}
}
template<typename PFP>
void AHEMImporter<PFP>::LoadTopology()
{
// Allocate vertices
AttributeContainer& vxContainer = map->getAttributeContainer(VERTEX_CELL);
verticesId = new unsigned int[hdr.meshHdr.vxCount];
for(unsigned int i = 0 ; i < hdr.meshHdr.vxCount ; i++)
verticesId[i] = vxContainer.insertLine();
// Ensure vertices are created by querying the position attribute
AttributeHandler<typename PFP::VEC3> position = map->template getAttribute<typename PFP::VEC3>(VERTEX_ORBIT, "position") ;
if (!position.isValid())
position = map->template addAttribute<typename PFP::VEC3>(VERTEX_ORBIT, "position") ;
// Read faces stream and create faces [only intra-face links]
HESorter* addedHE = new HESorter[hdr.meshHdr.heCount];
facesId = new Dart[hdr.meshHdr.faceCount];
f.read(buffer, hdr.meshHdr.meshChunkSize);
char* batch = buffer;
unsigned int fId = 0;
unsigned int heId = 0;
while(fId < hdr.meshHdr.faceCount)
{
AHEMFaceBatchDescriptor* fbd = (AHEMFaceBatchDescriptor*)batch;
stUInt32* ix = (stUInt32*)(batch + sizeof(AHEMFaceBatchDescriptor));
for(unsigned int i = 0 ; i < fbd->batchLength ; i++)
{
Dart d = map->newFace(fbd->batchFaceSize); // create face
facesId[fId++] = d;
unsigned int firstVx = verticesId[*ix++]; // setup face's vertices up to last HE
unsigned int prevVx = firstVx;
for(unsigned int k = 0 ; k < fbd->batchFaceSize - 1 ; k++)
{
addedHE[heId].d = d;
addedHE[heId].vxIdFrom = prevVx;
addedHE[heId].vxIdTo = verticesId[*ix];
map->setDartEmbedding(VERTEX_ORBIT, d, prevVx);
d = map->phi1(d);
prevVx = *ix++;
heId++;
}
// last HE
addedHE[heId].d = d;
addedHE[heId].vxIdFrom = prevVx;
addedHE[heId].vxIdTo = firstVx;
map->setDartEmbedding(VERTEX_ORBIT, d, prevVx);
heId++;
}
batch = (char*)ix;
}
// Sort the HE for fast retrieval
std::sort(addedHE, addedHE + hdr.meshHdr.heCount);
// Sew faces [inter-face links]
for(unsigned int i = 0 ; i < hdr.meshHdr.heCount ; i++)
{
HESorter* opposite = (HESorter*)bsearch(addedHE + i, addedHE, hdr.meshHdr.heCount, sizeof(HESorter), OppositeSearch);
if(opposite && opposite->d == map->phi2(opposite->d))
map->sewFaces(addedHE[i].d, opposite->d);
}
}
template <typename PFP>
void AHEMImporter<PFP>::LoadPosition(AHEMAttributeDescriptor* posDescr)
{
AttributeHandler<typename PFP::VEC3> position = map->template getAttribute<typename PFP::VEC3>(VERTEX_ORBIT, "position") ;
if (!position.isValid())
position = map->template addAttribute<typename PFP::VEC3>(VERTEX_ORBIT, "position") ;
f.seekg(posDescr->fileStartOffset, std::ios_base::beg);
f.read(buffer, posDescr->attributeChunkSize);
float* q = (float*)buffer;
for(unsigned int i = 0 ; i < hdr.meshHdr.vxCount ; i++)
{
position[verticesId[i]] = typename PFP::VEC3(q[0], q[1], q[2]);
q += 3;
}
}