Пример #1
0
bool LoadOFF(const string              & fileName,
                   vector< float >     & points,
                   vector< int>        & triangles,
                   IVHACD::IUserLogger & logger)
{
    FILE * fid = fopen(fileName.c_str(), "r");
    if (fid)
    {
        const string strOFF("OFF");
        char temp[1024];
        fscanf(fid, "%s", temp);
        if (string(temp) != strOFF)
        {
            logger.Log("Loading error: format not recognized \n");
            fclose(fid);
            return false;
        }
        else
        {
            int nv = 0;
            int nf = 0;
            int ne = 0;
            fscanf(fid, "%i", &nv);
            fscanf(fid, "%i", &nf);
            fscanf(fid, "%i", &ne);
            points.resize(nv*3);
            triangles.resize(nf*3);
            const int np = nv * 3;
            for (int p = 0; p < np; p++)
            {
                fscanf(fid, "%f", &(points[p]));
            }
            int s;
            for (int t = 0, r = 0; t < nf; ++t) {
                fscanf(fid, "%i", &s);
                if (s == 3)
                {
                    fscanf(fid, "%i", &(triangles[r++]));
                    fscanf(fid, "%i", &(triangles[r++]));
                    fscanf(fid, "%i", &(triangles[r++]));
                }
                else            // Fix me: support only triangular meshes
                {
                    for (int h = 0; h < s; ++h) fscanf(fid, "%i", &s);
                }
            }
            fclose(fid);
        }
    }
    else
    {
        logger.Log("Loading error: file not found \n");
        return false;
    }
    return true;
}
Пример #2
0
bool SaveOBJ(ofstream& fout, const double* const& points, const int* const& triangles, const unsigned int& nPoints,
    const unsigned int& nTriangles, const Material& material, IVHACD::IUserLogger& logger, int convexPart, int vertexOffset)
{
    if (fout.is_open()) {

        fout.setf(std::ios::fixed, std::ios::floatfield);
        fout.setf(std::ios::showpoint);
        fout.precision(6);
        size_t nV = nPoints * 3;
        size_t nT = nTriangles * 3;

		fout << "o convex_" << convexPart << std::endl;

        if (nV > 0) {
            for (size_t v = 0; v < nV; v += 3) {
                fout << "v " << points[v + 0] << " " << points[v + 1] << " " << points[v + 2] << std::endl;
            }
        }
        if (nT > 0) {
            for (size_t f = 0; f < nT; f += 3) {
                     fout << "f " 
                     << triangles[f + 0]+vertexOffset << " "
                     << triangles[f + 1]+vertexOffset << " "
                     << triangles[f + 2]+vertexOffset << " " << std::endl;
            }
        }
        return true;
    }
    else {
        logger.Log("Can't open file\n");
        return false;
    }
}
Пример #3
0
bool SaveOFF(const string& fileName, const float* const& points, const int* const& triangles, const unsigned int& nPoints,
    const unsigned int& nTriangles, IVHACD::IUserLogger& logger)
{
    ofstream fout(fileName.c_str());
    if (fout.is_open()) {
        size_t nV = nPoints * 3;
        size_t nT = nTriangles * 3;
        fout << "OFF" << std::endl;
        fout << nPoints << " " << nTriangles << " " << 0 << std::endl;
        for (size_t v = 0; v < nV; v += 3) {
            fout << points[v + 0] << " "
                 << points[v + 1] << " "
                 << points[v + 2] << std::endl;
        }
        for (size_t f = 0; f < nT; f += 3) {
            fout << "3 " << triangles[f + 0] << " "
                 << triangles[f + 1] << " "
                 << triangles[f + 2] << std::endl;
        }
        fout.close();
        return true;
    }
    else {
        logger.Log("Can't open file\n");
        return false;
    }
}
Пример #4
0
bool SaveVRML2(ofstream& fout, const double* const& points, const int* const& triangles, const unsigned int& nPoints,
    const unsigned int& nTriangles, const Material& material, IVHACD::IUserLogger& logger)
{
    if (fout.is_open()) {
        fout.setf(std::ios::fixed, std::ios::floatfield);
        fout.setf(std::ios::showpoint);
        fout.precision(6);
        size_t nV = nPoints * 3;
        size_t nT = nTriangles * 3;
        fout << "#VRML V2.0 utf8" << std::endl;
        fout << "" << std::endl;
        fout << "# Vertices: " << nPoints << std::endl;
        fout << "# Triangles: " << nTriangles << std::endl;
        fout << "" << std::endl;
        fout << "Group {" << std::endl;
        fout << "    children [" << std::endl;
        fout << "        Shape {" << std::endl;
        fout << "            appearance Appearance {" << std::endl;
        fout << "                material Material {" << std::endl;
        fout << "                    diffuseColor " << material.m_diffuseColor[0] << " "
             << material.m_diffuseColor[1] << " "
             << material.m_diffuseColor[2] << std::endl;
        fout << "                    ambientIntensity " << material.m_ambientIntensity << std::endl;
        fout << "                    specularColor " << material.m_specularColor[0] << " "
             << material.m_specularColor[1] << " "
             << material.m_specularColor[2] << std::endl;
        fout << "                    emissiveColor " << material.m_emissiveColor[0] << " "
             << material.m_emissiveColor[1] << " "
             << material.m_emissiveColor[2] << std::endl;
        fout << "                    shininess " << material.m_shininess << std::endl;
        fout << "                    transparency " << material.m_transparency << std::endl;
        fout << "                }" << std::endl;
        fout << "            }" << std::endl;
        fout << "            geometry IndexedFaceSet {" << std::endl;
        fout << "                ccw TRUE" << std::endl;
        fout << "                solid TRUE" << std::endl;
        fout << "                convex TRUE" << std::endl;
        if (nV > 0) {
            fout << "                coord DEF co Coordinate {" << std::endl;
            fout << "                    point [" << std::endl;
            for (size_t v = 0; v < nV; v += 3) {
                fout << "                        " << points[v + 0] << " "
                     << points[v + 1] << " "
                     << points[v + 2] << "," << std::endl;
            }
            fout << "                    ]" << std::endl;
            fout << "                }" << std::endl;
        }
        if (nT > 0) {
            fout << "                coordIndex [ " << std::endl;
            for (size_t f = 0; f < nT; f += 3) {
                fout << "                        " << triangles[f + 0] << ", "
                     << triangles[f + 1] << ", "
                     << triangles[f + 2] << ", -1," << std::endl;
            }
            fout << "                ]" << std::endl;
        }
        fout << "            }" << std::endl;
        fout << "        }" << std::endl;
        fout << "    ]" << std::endl;
        fout << "}" << std::endl;
        return true;
    }
    else {
        logger.Log("Can't open file\n");
        return false;
    }
}
Пример #5
0
bool LoadOBJ(const string& fileName, vector<float>& points, vector<int>& triangles, IVHACD::IUserLogger& logger)
{
    const unsigned int BufferSize = 1024;
    FILE* fid = fopen(fileName.c_str(), "r");

    if (fid) {
        char buffer[BufferSize];
        int ip[4];
        float x[3];
        char* pch;
        char* str;
        while (!feof(fid)) {
            if (!fgets(buffer, BufferSize, fid)) {
                break;
            }
            else if (buffer[0] == 'v') {
                if (buffer[1] == ' ') {
                    str = buffer + 2;
                    for (int k = 0; k < 3; ++k) {
                        pch = strtok(str, " ");
                        if (pch)
                            x[k] = (float)atof(pch);
                        else {
                            return false;
                        }
                        str = NULL;
                    }
                    points.push_back(x[0]);
                    points.push_back(x[1]);
                    points.push_back(x[2]);
                }
            }
            else if (buffer[0] == 'f') {

                pch = str = buffer + 2;
                int k = 0;
                while (pch) {
                    pch = strtok(str, " ");
                    if (pch) {
                        ip[k++] = atoi(pch) - 1;
                    }
                    else {
                        break;
                    }
                    str = NULL;
                }
                if (k == 3) {
                    triangles.push_back(ip[0]);
                    triangles.push_back(ip[1]);
                    triangles.push_back(ip[2]);
                }
                else if (k == 4) {
                    triangles.push_back(ip[0]);
                    triangles.push_back(ip[1]);
                    triangles.push_back(ip[2]);

                    triangles.push_back(ip[0]);
                    triangles.push_back(ip[2]);
                    triangles.push_back(ip[3]);
                }
            }
        }
        fclose(fid);
    }
    else {
        logger.Log("File not found\n");
        return false;
    }
    return true;
}
Пример #6
0
bool LoadOBJ(const string              & fileName,
                   vector< float >     & points,
                   vector< int >       & triangles,
                   IVHACD::IUserLogger & logger)
{
    const char ObjDelimiters[] = " /";
    const unsigned int BufferSize = 1024;
    FILE * fid = fopen(fileName.c_str(), "r");

    if (fid)
    {
        char buffer[BufferSize];
        int  ip[3];
        int  in[3];
        int  it[3];
        float x[3];
        char * pch;
        char * str;
        size_t nn = 0;
        size_t nt = 0;
        while (!feof(fid))
        {
            if (!fgets(buffer, BufferSize, fid))
            {
                break;
            }
            else if (buffer[0] == 'v')
            {
                if (buffer[1] == ' ')
                {
                    str = buffer + 2;
                    for (int k = 0; k < 3; ++k)
                    {
                        pch = strtok(str, " ");
                        if (pch) x[k] = (float)atof(pch);
                        else
                        {
                            return false;
                        }
                        str = NULL;
                    }
                    points.push_back(x[0]);
                    points.push_back(x[1]);
                    points.push_back(x[2]);
                }
                else if (buffer[1] == 'n')
                {
                    ++nn;
                }
                else if (buffer[1] == 't')
                {
                    ++nt;
                }
            }
            else if (buffer[0] == 'f')
            {

                str = buffer + 2;
                for (int k = 0; k < 3; ++k)
                {
                    pch = strtok(str, ObjDelimiters);
                    if (pch) ip[k] = atoi(pch) - 1;
                    else
                    {
                        return false;
                    }
                    str = NULL;
                    if (nt > 0)
                    {
                        pch = strtok(NULL, ObjDelimiters);
                        if (pch)  it[k] = atoi(pch) - 1;
                        else
                        {
                            return false;
                        }
                    }
                    if (nn > 0)
                    {
                        pch = strtok(NULL, ObjDelimiters);
                        if (pch)  in[k] = atoi(pch) - 1;
                        else
                        {
                            return false;
                        }
                    }
                }
                triangles.push_back(ip[0]);
                triangles.push_back(ip[1]);
                triangles.push_back(ip[2]);
            }
        }
        fclose(fid);
    }
    else
    {
        logger.Log("File not found\n");
        return false;
    }
    return true;
}