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C++ UIntArray类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中UIntArray的典型用法代码示例。如果您正苦于以下问题:C++ UIntArray类的具体用法?C++ UIntArray怎么用?C++ UIntArray使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了UIntArray类的9个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: addFaceList

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void OutlineEdgeExtractor::addFaceList(const UIntArray& faceList)
{
    size_t numFaceListEntries = faceList.size();

    size_t i = 0;
    while (i < numFaceListEntries)
    {
        uint numVerticesInFace = faceList[i++];
        CVF_ASSERT(numVerticesInFace > 0);
        CVF_ASSERT(i + numVerticesInFace <= numFaceListEntries);

        const uint* indexPtr = &faceList[i];
        addPrimitives(numVerticesInFace, indexPtr, numVerticesInFace);

        i += numVerticesInFace;
    }
}
开发者ID:JacobStoren,项目名称:ResInsight,代码行数:20,代码来源:cvfOutlineEdgeExtractor.cpp


示例2: TEST

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
TEST(PrimitiveSetIndexedUInt, GetOpenGLPrimitive_FromLineLoop)
{
    ref<UIntArray> indices = new UIntArray;
    indices->reserve(4);
    indices->add(0);  
    indices->add(1);  
    indices->add(2);
    indices->add(3);

    ref<PrimitiveSetIndexedUInt> myPrim = new PrimitiveSetIndexedUInt(PT_LINE_LOOP);
    myPrim->setIndices(indices.p());

    ASSERT_EQ(4u, myPrim->faceCount());

    UIntArray conn;

    myPrim->getFaceIndices(0, &conn);
    ASSERT_EQ(2u, conn.size());
    EXPECT_EQ(0u, conn.get(0));
    EXPECT_EQ(1u, conn.get(1));

    myPrim->getFaceIndices(1, &conn);
    ASSERT_EQ(2u, conn.size());
    EXPECT_EQ(1u, conn.get(0));
    EXPECT_EQ(2u, conn.get(1));

    myPrim->getFaceIndices(2, &conn);
    ASSERT_EQ(2u, conn.size());
    EXPECT_EQ(2u, conn.get(0));
    EXPECT_EQ(3u, conn.get(1));

    myPrim->getFaceIndices(3, &conn);
    ASSERT_EQ(2u, conn.size());
    EXPECT_EQ(3u, conn.get(0));
    EXPECT_EQ(0u, conn.get(1));
}
开发者ID:JacobStoren,项目名称:ResInsight,代码行数:39,代码来源:cvfPrimitiveSetIndexedUInt-Test.cpp


示例3: addTriangleStrip

//--------------------------------------------------------------------------------------------------
/// Add a triangle strip
/// 
/// Vertex ordering for triangle strips:
/// <PRE>
///   v0      v2      v4       Resulting triangles:
///   *-------*-------*          t1: v0, v1, v2
///    \     / \     / \         t2: v2, v1, v3
///     \   /   \   /   \        t3: v2, v3, v4
///      \ /     \ /     \       t4: v4, v3, v5
///       *-------*-------*
///      v1      v3      v5 </PRE>
/// 
/// \remarks The number of entries in the \a indices array must be at least 3.
//--------------------------------------------------------------------------------------------------
void GeometryBuilder::addTriangleStrip(const UIntArray& indices)
{
    size_t numIndices = indices.size();
    CVF_ASSERT(numIndices >= 3);

    size_t numTriangles = numIndices - 2;
    CVF_ASSERT(numTriangles >= 1);

    size_t i;
    for (i = 0; i < numTriangles; i++)
    {
        if (i % 2 == 0)
        {
            addTriangle(indices[i], indices[i + 1], indices[i + 2]);
        }
        else
        {
            addTriangle(indices[i + 1], indices[i], indices[i + 2]);
        }
    }
}
开发者ID:akva2,项目名称:ResInsight,代码行数:36,代码来源:cvfGeometryBuilder.cpp


示例4: addFace

//--------------------------------------------------------------------------------------------------
/// Add one face 
/// 
/// The type of primitive added will be determined from the number of indices passed in \a indices
/// 
/// \remarks Currently, points and lines are not supported. Faces with more than 4 indices will
///          be triangulated using fanning
//--------------------------------------------------------------------------------------------------
void GeometryBuilder::addFace(const UIntArray& indices)
{
    size_t numIndices = indices.size();
    CVF_ASSERT(numIndices >= 3);

    if (numIndices == 3)
    {
        addTriangle(indices[0], indices[1], indices[2]);
    }
    else if (numIndices == 4)
    {
        addQuad(indices[0], indices[1], indices[2], indices[3]);
    }
    else
    {
        size_t numTriangles = numIndices - 2;
        size_t i;
        for (i = 0; i < numTriangles; i++)
        {
            addTriangle(indices[0], indices[i + 1], indices[i + 2]);
        }
    }
}
开发者ID:akva2,项目名称:ResInsight,代码行数:31,代码来源:cvfGeometryBuilder.cpp


示例5: TEST

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
TEST(MeshEdgeExtractorTest, ThreeQuadsFromUIntArray)
{
    // 3------4------5   9------8
    // |      |      |   |      | 
    // |      |      |   |      | 
    // 0------1------2   6------7

    MeshEdgeExtractor ee;

    // Two connected quads
    {
        UIntArray q;
        q.reserve(2*4);

        // Observe different winding
        q.add(0);   q.add(1);   q.add(4);   q.add(3);
        q.add(1);   q.add(4);   q.add(5);   q.add(2);

        ee.addPrimitives(4, q);
    }

    // Single loose quad
    {
        UIntArray q;
        q.reserve(4);
        q.add(6);   q.add(7);   q.add(8);   q.add(9);

        ee.addPrimitives(4, q);
    }

    ref<UIntArray> li = ee.lineIndices();
    ASSERT_EQ(2*11, li->size());

    EXPECT_EQ(0, li->get(0));    EXPECT_EQ(1, li->get(1));
    EXPECT_EQ(0, li->get(2));    EXPECT_EQ(3, li->get(3));
    EXPECT_EQ(1, li->get(4));    EXPECT_EQ(2, li->get(5));
    EXPECT_EQ(1, li->get(6));    EXPECT_EQ(4, li->get(7));
    EXPECT_EQ(2, li->get(8));    EXPECT_EQ(5, li->get(9));
    EXPECT_EQ(3, li->get(10));   EXPECT_EQ(4, li->get(11));
    EXPECT_EQ(4, li->get(12));   EXPECT_EQ(5, li->get(13));

    EXPECT_EQ(6, li->get(14));   EXPECT_EQ(7, li->get(15));
    EXPECT_EQ(6, li->get(16));   EXPECT_EQ(9, li->get(17));
    EXPECT_EQ(7, li->get(18));   EXPECT_EQ(8, li->get(19));
    EXPECT_EQ(8, li->get(20));   EXPECT_EQ(9, li->get(21));
}
开发者ID:JacobStoren,项目名称:ResInsight,代码行数:49,代码来源:cvfMeshEdgeExtractor-Test.cpp


示例6: Array_readLocalData


//.........这里部分代码省略.........
    {
        UByteArray* array = new UByteArray;
        array->reserve(capacity);
        while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
        {
            unsigned int uint_value;
            if (fr[0].getUInt(uint_value))
            {
                ++fr;
                array->push_back(uint_value);
            }
            else ++fr;
        }
        ++fr;
        return_array = array;
    }
    else if (strcmp(arrayName,"UShortArray")==0)
    {
        UShortArray* array = new UShortArray;
        array->reserve(capacity);
        while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
        {
            unsigned int uint_value;
            if (fr[0].getUInt(uint_value))
            {
                ++fr;
                array->push_back(uint_value);
            }
            else ++fr;
        }
        ++fr;
        return_array = array;
    }
    else if (strcmp(arrayName,"UIntArray")==0)
    {
        UIntArray* array = new UIntArray;
        array->reserve(capacity);
        while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
        {
            unsigned int uint_value;
            if (fr[0].getUInt(uint_value))
            {
                ++fr;
                array->push_back(uint_value);
            }
            else ++fr;
        }
        ++fr;
        return_array = array;
    }
    else if (strcmp(arrayName,"UVec4bArray")==0 || strcmp(arrayName,"Vec4ubArray")==0)
    {
        Vec4ubArray* array = new Vec4ubArray;
        array->reserve(capacity);
        while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
        {
            unsigned int r,g,b,a;
            if (fr[0].getUInt(r) &&
                fr[1].getUInt(g) &&
                fr[2].getUInt(b) &&
                fr[3].getUInt(a))
            {
                fr+=4;
                array->push_back(osg::Vec4ub(r,g,b,a));
            }
            else ++fr;
开发者ID:,项目名称:,代码行数:67,代码来源:


示例7: setFromFaceList

//--------------------------------------------------------------------------------------------------
/// Sets the DrawableGeo object's geometry representation from a face list
/// 
/// \param faceList Face list
///
/// faceList contains number of items before each face connectivities. E.g. 3 0 1 2   3 2 3 1   3 2 1 3
///
/// \note This method will use more temporary memory than strictly needed in order to optimize 
///       performance.
//--------------------------------------------------------------------------------------------------
void DrawableGeo::setFromFaceList(const UIntArray& faceList)
{
    m_primitiveSets.clear();

    size_t numFaceListEntries = faceList.size();

    ref<UIntArray> triangleConnects = new UIntArray;
	triangleConnects->reserve(numFaceListEntries*3);		// Usually too much, but temporary and will be squeezed if kept.

    size_t i = 0;
    while (i < numFaceListEntries)
    {
        uint numConnects = faceList[i++];
        CVF_ASSERT(numConnects >= 3);

        if (numConnects == 3)
        {
			triangleConnects->add(faceList[i++]);
			triangleConnects->add(faceList[i++]);
			triangleConnects->add(faceList[i++]);
		}
		else 
		{
            size_t j;
            for (j = 0; j < numConnects - 2;  j++)
            {
                triangleConnects->add(faceList[i]);
                triangleConnects->add(faceList[i + 1 + j]);
                triangleConnects->add(faceList[i + 2 + j]);
            }

            i += numConnects;
		}
    }

    // Check if the largest index used in the triangle connects exceeds short representation
	if (triangleConnects->max() < std::numeric_limits<ushort>::max())
	{
		// Create an USHORT primitive set
		size_t arraySize = triangleConnects->size();

		ref<UShortArray> shortIndices = new UShortArray;
		shortIndices->resize(arraySize);

		size_t j;
		for (j = 0; j < arraySize; j++)
		{
			shortIndices->set(j, static_cast<ushort>(triangleConnects->get(j)));
		}

		ref<PrimitiveSetIndexedUShort> prim = new PrimitiveSetIndexedUShort(PT_TRIANGLES);
		prim->setIndices(shortIndices.p());

		m_primitiveSets.push_back(prim.p());
	}
	else
	{
		// Create a UINT primitive set
		ref<PrimitiveSetIndexedUInt> prim = new PrimitiveSetIndexedUInt(PT_TRIANGLES);

		triangleConnects->squeeze();
		prim->setIndices(triangleConnects.p());
		m_primitiveSets.push_back(prim.p());
	}
}
开发者ID:akva2,项目名称:ResInsight,代码行数:75,代码来源:cvfDrawableGeo.cpp


示例8: CVF_ASSERT

//--------------------------------------------------------------------------------------------------
/// Intersect the drawable geo with the ray and return the closest intersection point and the face hit
///
/// Returns true if anything was hit.
//--------------------------------------------------------------------------------------------------
bool DrawableGeo::rayIntersect(const Ray& ray, Vec3d* intersectionPoint, uint* faceHit) const
{
    CVF_ASSERT(intersectionPoint);

    bool anyHits = false;
    double minDistSquared = 1.0e300;

    cref<Vec3fArray> vertexArr = m_vertexBundle->vertexArray();

    size_t numPrimitiveSets = m_primitiveSets.size();
    size_t iPrimSet;
    int accumulatedFaceCount = 0;

    for (iPrimSet = 0; iPrimSet < numPrimitiveSets; iPrimSet++)
    {
        const PrimitiveSet* primSet = m_primitiveSets.at(iPrimSet);
        CVF_TIGHT_ASSERT(primSet);

        UIntArray conn;
        int numPrimFaces = static_cast<int>(primSet->faceCount());

#pragma omp parallel for private (conn)
        for (int i = 0; i < numPrimFaces; i++)
        {
            bool hitThisFace = false;
            Vec3d localIntersect;

            primSet->getFaceIndices(static_cast<size_t>(i), &conn);
            int numconn = static_cast<int>(conn.size());
            CVF_TIGHT_ASSERT(numconn <= 3);
            if (numconn == 3)
            {
                hitThisFace = ray.triangleIntersect(Vec3d(vertexArr->get(conn[0])), 
                                                    Vec3d(vertexArr->get(conn[1])), 
                                                    Vec3d(vertexArr->get(conn[2])), 
                                                    &localIntersect);
            }

            if (hitThisFace)
            {
                double distSquared = (ray.origin() - localIntersect).lengthSquared();
                #pragma omp critical
		{
                    if (distSquared < minDistSquared)
                    {
                        *intersectionPoint = localIntersect;
                        minDistSquared = distSquared;

                        if (faceHit)
                        {
                            *faceHit = i + accumulatedFaceCount;
                        }
                    }
                    anyHits = true;
		}
            }
        } // End omp parallel for
        accumulatedFaceCount += numPrimFaces;
    }

    return anyHits;
}
开发者ID:akva2,项目名称:ResInsight,代码行数:67,代码来源:cvfDrawableGeo.cpp


示例9: TEST

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
TEST(OutlineEdgeExtractorTest, SinglePrimitives)
{
    ref<Vec3fArray> va = new Vec3fArray;
    va->reserve(4);
    va->add(Vec3f(0, 0, 0));
    va->add(Vec3f(1, 0, 0));
    va->add(Vec3f(1, 1, 0));
    va->add(Vec3f(0, 1, 0));

    // Point
    {
        const cvf::uint conn[1] = { 0 };
        OutlineEdgeExtractor ee(0, *va);
        ee.addPrimitives(1, conn, 1);

        UIntArray li = *ee.lineIndices();
        ASSERT_EQ(0, li.size());
    }

    // Line
    {
        const cvf::uint conn[2] = { 0, 1 };
        OutlineEdgeExtractor ee(0, *va);
        ee.addPrimitives(2, conn, 2);

        UIntArray li = *ee.lineIndices();
        ASSERT_EQ(2, li.size());
        ASSERT_EQ(0, li[0]); 
        ASSERT_EQ(1, li[1]);
    }

    // Tri
    {
        const cvf::uint conn[3] = { 0, 1, 2 };
        OutlineEdgeExtractor ee(0, *va);
        ee.addPrimitives(3, conn, 3);

        UIntArray li = *ee.lineIndices();
        ASSERT_EQ(6, li.size());
        ASSERT_EQ(0, li[0]); 
        ASSERT_EQ(1, li[1]);
        ASSERT_EQ(0, li[2]); 
        ASSERT_EQ(2, li[3]);
        ASSERT_EQ(1, li[4]); 
        ASSERT_EQ(2, li[5]);
    }

    // Quad
    {
        const cvf::uint conn[4] = { 0, 1, 2, 3};
        OutlineEdgeExtractor ee(0, *va);
        ee.addPrimitives(4, conn, 4);

        UIntArray li = *ee.lineIndices();
        ASSERT_EQ(8, li.size());
        ASSERT_EQ(0, li[0]); 
        ASSERT_EQ(1, li[1]);
        ASSERT_EQ(0, li[2]); 
        ASSERT_EQ(3, li[3]);
        ASSERT_EQ(1, li[4]); 
        ASSERT_EQ(2, li[5]);
        ASSERT_EQ(2, li[6]); 
        ASSERT_EQ(3, li[7]);
    }
}
开发者ID:JacobStoren,项目名称:ResInsight,代码行数:68,代码来源:cvfOutlineEdgeExtractor-Test.cpp



注:本文中的UIntArray类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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