//取消选取
void DcGp::DcGpPointCloud::CancelChoosed()
{
if (!IsChoosed())
{
return;
}
//取消每个点的选取状态
std::fill_n(m_pDcGpPointCloudImpl->m_pointsChoosedState.begin(), Size(), false);
//清空每个点的选取颜色
if (HasColors() && GetColorMode() == eTrueLinearColor)
{
m_pDcGpPointCloudImpl->m_choosedColors = m_pDcGpPointCloudImpl->m_rgbColors;
}
else if (GetColorMode() == eFalseRangeColor ||
GetColorMode() == eFalseHeightColor ||
GetColorMode() == eFalseScalarColor)
{
m_pDcGpPointCloudImpl->m_choosedColors = m_pDcGpPointCloudImpl->m_scalarColors;
}
else
{
PointColor color = {GetTempColor()[0], GetTempColor()[1], GetTempColor()[2]};
std::fill_n(m_pDcGpPointCloudImpl->m_choosedColors.begin(), Size(), color);
}
}
int main(void)
{
// Initailize testing data
InitializeTestData ();
// Add all test data in an array
NODE NodeArray[] = {NodeA, NodeB, NodeC, NodeD, NodeE, NodeF};
//The path array count will just have NodeArray count minus 1.
// Initialize Path Array.
int PathArrayCount = GET_ARRAY_COUNT(NodeArray) -1;
PATH ChoosedPath[PathArrayCount];
memset (ChoosedPath, 0, sizeof(ChoosedPath));
while(PathArrayCount--)
{
int Row = 0, Column = 0;
// Initailize pointer
PATH PtrPath;
//PtrPath = &ChoosedPath[PathArrayCount];
PtrPath.Distance = -1; //for checking
// Double for loop for Array
for(Row =0; Row< GET_ARRAY_COUNT(NodeArray); Row++)
{
NODE *Ptr = &NodeArray[Row];
for (Column = 0; Column < Ptr->LinkCount; Column++)
{
// 現在的值
PATH TmpPath;
TmpPath.Distance = Ptr->PtrList[Column].Distance;
// 兩個Node Name
TmpPath.Node[0] = Ptr;
TmpPath.Node[1] = Ptr->PtrList[Column].Node;
#if DEBUG_CLOSE
printf("TMP %s and %s: %d\n", TmpPath.Node[0].NodeName, TmpPath.Node[1].NodeName, TmpPath.Distance);
#endif
// Checking
if (PtrPath.Distance == -1 || PtrPath.Distance> TmpPath.Distance)
{
if (!IsChoosed(&TmpPath, ChoosedPath, GET_ARRAY_COUNT(ChoosedPath) )
&& !IsReturnToRoot(TmpPath.Node[1], TmpPath.Node[0], ChoosedPath, GET_ARRAY_COUNT(ChoosedPath), NULL)
)
{
PtrPath = TmpPath;
}
}
}
}
if (PtrPath.Distance != -1)
{
memcpy (&ChoosedPath[PathArrayCount], &PtrPath, sizeof (PATH));
printf("===== Ans %s and %s : %d ========= \n", PtrPath.Node[0]->NodeName, PtrPath.Node[1]->NodeName, PtrPath.Distance);
}
else
{
// Finish or error.
break;
}
}
FreeTestData();
return 0;
}
//绘制点云
void DcGp::DcGpPointCloud::DrawMyselfOnly(DcGpDrawContext& context)
{
//如果数据隐藏，则返回上层数据
if (!IsVisible())
{
return;
}
//是否存在点数据，否则返回上层函数
if (m_pDcGpPointCloudImpl->m_points.empty())
return;
//判断是否是绘制三维物体
if (MACRO_Draw3D(context))
{
glPushAttrib(GL_ALL_ATTRIB_BITS);
if (!m_pDcGpPointCloudImpl->m_generalDrawShader.getProgramIndex())
{
//! 初始化一个shader program，用来处理快速渲染时候点隐藏的问题
char* byteGlVersion = (char*)glGetString(GL_VERSION);
if (byteGlVersion[0] < '3' )
{
return;
}
else
{
m_pDcGpPointCloudImpl->SetupGeneralDrawShaders();
}
}
if (m_pDcGpPointCloudImpl->m_generalDrawShader.getProgramIndex())
{
glUseProgram(m_pDcGpPointCloudImpl->m_generalDrawShader.getProgramIndex());
//! 为block量赋值
double matrixProjection[16];
double matrixView[16];
glGetDoublev(GL_PROJECTION_MATRIX, matrixProjection);
glGetDoublev(GL_MODELVIEW_MATRIX, matrixView);
DCCore::mat4 matPro;
DCCore::mat4 matView;
for (int i = 0; i != 16; ++i)
{
matPro.ptr()[i] = matrixProjection[i];
matView.ptr()[i] = matrixView[i];
}
DCCore::mat4 pvm = matPro * matView;
m_pDcGpPointCloudImpl->m_generalDrawShader.setUniform("pvm", pvm.ptr());
float isSingleColor = 0;
m_pDcGpPointCloudImpl->m_generalDrawShader.setUniform("isSingleColor", &isSingleColor);
}
//获取显示参数
glDrawParameters glParams;
GetDrawingParameters(glParams);
glParams.showNormals &= bool(MACRO_LightIsEnabled(context)); //是否使用光照
//! 计算纯色值
std::vector<float > singleColor;
if (glParams.showColors && IsColorOverriden())
{
singleColor.push_back(GetTempColor()[0]);
singleColor.push_back(GetTempColor()[1]);
singleColor.push_back(GetTempColor()[2]);
glParams.showColors = false;
}
else
{
singleColor.push_back(context.pointsDefaultCol[0]);
singleColor.push_back(context.pointsDefaultCol[1]);
singleColor.push_back(context.pointsDefaultCol[2]);
}
// L.O.D.
unsigned numberOfPoints = Size();
unsigned decimStep = 0;
if (m_pDcGpPointCloudImpl->m_pointSize != 0)
glPointSize((GLfloat)m_pDcGpPointCloudImpl->m_pointSize);
//! 渲染绘制，因为为shader传入了可见性变量，所以不管什么情况只要控制传入
//! 顶点、颜色、法向量即可。顶点是不变的，颜色是变化的（纯色、标量色、选取色），法向量是不变的（存在或者不存在）
//!开启alpha测试
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.0f);
int sample = 0;
//! 1、每帧中顶点不变
glEnableVertexAttribArray(VSShaderLib::VERTEX_COORD_ATTRIB);
glVertexAttribPointer(VSShaderLib::VERTEX_COORD_ATTRIB, 3, GL_FLOAT, 0, sample * 3 * sizeof(PointCoordinateType),
&(m_pDcGpPointCloudImpl->m_points[0][0]));
//! 2、每帧中顶点可见性不变，传递顶点的可见性变量到shader中
glEnableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB1);
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB1, 1, GL_INT, 0, sample * 1 * sizeof(int),
&(m_pDcGpPointCloudImpl->m_pointsVisibility[0]));
//! 3、确定颜色值怎么选择（只存在纯色、真彩色、标量色三种）
if (glParams.showColors)
{
glEnableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB2);
if (IsChoosed())
{
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_choosedColors[0][0]));
}
else
{
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_rgbColors[0][0]));
}
}
else if (glParams.showScalarField)
{
glEnableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB2);
if (IsChoosed())
{
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_choosedColors[0][0]));
}
else
{
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_scalarColors[0][0]));
}
}
else
{
if (IsChoosed())
{
float isSingleColor = 0;
m_pDcGpPointCloudImpl->m_generalDrawShader.setUniform("isSingleColor", &isSingleColor);
glEnableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB2);
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_choosedColors[0][0]));
}
else
{
//! 纯色处理，由于纯色不是颜色数组，所以采用uniform实现
float isSingleColor = 1;
m_pDcGpPointCloudImpl->m_generalDrawShader.setUniform("isSingleColor", &isSingleColor);
//!传入纯色值
m_pDcGpPointCloudImpl->m_generalDrawShader.setUniform("singleColor", &singleColor[0]);
}
}
//! 渲染
//glDrawArrays(GL_POINTS, 0, numberOfPoints);
//绘制顶点数组时候均采用循环处理，采用数据定长处理，每次处理100000数据
if (GetChunk() > 1)
{
for (long i = 0; i != GetChunk(); ++i)
{
if (i == GetChunk()-1)
{
glDrawArrays(GL_POINTS, DC_CHUNK_COUNT * i, Size() - DC_CHUNK_COUNT * i);
}
else
{
glDrawArrays(GL_POINTS, DC_CHUNK_COUNT * i, DC_CHUNK_COUNT);
}
}
}
else
{
glDrawArrays(GL_POINTS, 0, Size());
}
glDisableVertexAttribArray(VSShaderLib::VERTEX_COORD_ATTRIB);
glDisableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB1);
glDisableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB2);
glDisable(GL_ALPHA_TEST);
glPopAttrib();
glUseProgram(0);
}
else if (MACRO_Draw2D(context))
{
if (MACRO_Foreground(context) && !context.sfColorScaleToDisplay)
{
if (IsSfColorbarVisible() && ScalarFieldShown())
{
//drawScale(context);
AddColorBarInfo(context);
}
}
}
//绘制文本
//context._win->Display3DLabel( "Qt", GetPoint(0) + DCVector3D(context.pickedPointsTextShift), DCColor::MAGENTA, QFont());
}
void DcGp::DcGpPointCloud::FastDrawMyselfOnly(DcGpDrawContext& context)
{
//如果数据隐藏，则返回上层数据
if (!IsVisible())
{
return;
}
//是否存在点数据，否则返回上层函数
if (m_pDcGpPointCloudImpl->m_points.empty())
return;
//判断是否是绘制三维物体
if (MACRO_Draw3D(context))
{
glPushAttrib(GL_ALL_ATTRIB_BITS);
if (!m_pDcGpPointCloudImpl->m_fastDrawShader.getProgramIndex())
{
//! 初始化一个shader program，用来处理快速渲染时候点隐藏的问题
char* byteGlVersion = (char*)glGetString(GL_VERSION);
if (byteGlVersion[0] < '3' )
{
return;
}
else
{
m_pDcGpPointCloudImpl->SetupFastDrawShaders();
}
}
if (m_pDcGpPointCloudImpl->m_fastDrawShader.getProgramIndex())
{
glUseProgram(m_pDcGpPointCloudImpl->m_fastDrawShader.getProgramIndex());
//! 为block量赋值
double matrixProjection[16];
double matrixView[16];
glGetDoublev(GL_PROJECTION_MATRIX, matrixProjection);
glGetDoublev(GL_MODELVIEW_MATRIX, matrixView);
DCCore::mat4 matPro;
DCCore::mat4 matView;
for (int i = 0; i != 16; ++i)
{
matPro.ptr()[i] = matrixProjection[i];
matView.ptr()[i] = matrixView[i];
}
DCCore::mat4 pvm = matPro * matView;
m_pDcGpPointCloudImpl->m_fastDrawShader.setUniform("pvm", pvm.ptr());
float isSingleColor = 0;
m_pDcGpPointCloudImpl->m_fastDrawShader.setUniform("isSingleColor", &isSingleColor);
}
//获取显示参数
glDrawParameters glParams;
GetDrawingParameters(glParams);
glParams.showNormals &= bool(MACRO_LightIsEnabled(context)); //是否使用光照
//! 计算纯色值
std::vector<float > singleColor;
if (glParams.showColors && IsColorOverriden())
{
singleColor.push_back(GetTempColor()[0]);
singleColor.push_back(GetTempColor()[1]);
singleColor.push_back(GetTempColor()[2]);
glParams.showColors = false;
}
else
{
singleColor.push_back(context.pointsDefaultCol[0]);
singleColor.push_back(context.pointsDefaultCol[1]);
singleColor.push_back(context.pointsDefaultCol[2]);
}
// L.O.D.
unsigned numberOfPoints = Size();
unsigned sample = 1;//标准的显示全部点
unsigned totalSamplePoints = numberOfPoints;
if (numberOfPoints >= DCCore::MAX_FACE_NUM)
{
sample = static_cast<int>(ceil(static_cast<float>(numberOfPoints) / DCCore::MAX_FACE_NUM));
}
if (m_pDcGpPointCloudImpl->m_pointSize != 0)
glPointSize((GLfloat)m_pDcGpPointCloudImpl->m_pointSize);
//! 渲染绘制，因为为shader传入了可见性变量，所以不管什么情况只要控制传入
//! 顶点、颜色、法向量即可。顶点是不变的，颜色是变化的（纯色、标量色、选取色），法向量是不变的（存在或者不存在）
//!开启alpha测试
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.0f);
//! 1、每帧中顶点不变
glEnableVertexAttribArray(VSShaderLib::VERTEX_COORD_ATTRIB);
glVertexAttribPointer(VSShaderLib::VERTEX_COORD_ATTRIB, 3, GL_FLOAT, 0, sample * 3 * sizeof(PointCoordinateType),
&(m_pDcGpPointCloudImpl->m_points[0][0]));
//! 2、每帧中顶点可见性不变，传递顶点的可见性变量到shader中
glEnableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB1);
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB1, 1, GL_INT, 0, sample * 1 * sizeof(int),
&(m_pDcGpPointCloudImpl->m_pointsVisibility[0]));
//! 3、确定颜色值怎么选择（只存在纯色、真彩色、标量色三种）
if (glParams.showColors)
{
glEnableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB2);
if (IsChoosed())
{
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_choosedColors[0][0]));
}
else
{
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_rgbColors[0][0]));
}
}
else if (glParams.showScalarField)
{
glEnableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB2);
if (IsChoosed())
{
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_choosedColors[0][0]));
}
else
{
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_scalarColors[0][0]));
}
}
else
{
if (IsChoosed())
{
float isSingleColor = 0;
m_pDcGpPointCloudImpl->m_fastDrawShader.setUniform("isSingleColor", &isSingleColor);
glEnableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB2);
glVertexAttribPointer(VSShaderLib::VERTEX_ATTRIB2, 3, GL_UNSIGNED_BYTE, 0, sample * 3 * sizeof(ColorType),
&(m_pDcGpPointCloudImpl->m_choosedColors[0][0]));
}
else
{
//! 纯色处理，由于纯色不是颜色数组，所以采用uniform实现
float isSingleColor = 1;
m_pDcGpPointCloudImpl->m_fastDrawShader.setUniform("isSingleColor", &isSingleColor);
//!传入纯色值
m_pDcGpPointCloudImpl->m_fastDrawShader.setUniform("singleColor", &singleColor[0]);
}
}
//! 渲染
long lodNum = Size();
if (sample > 1)
{
float numFloat = static_cast<float >(lodNum) / sample;
lodNum = static_cast<unsigned>(floor(numFloat));
}
glDrawArrays(GL_POINTS, 0, lodNum);
glDisableVertexAttribArray(VSShaderLib::VERTEX_COORD_ATTRIB);
glDisableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB1);
glDisableVertexAttribArray(VSShaderLib::VERTEX_ATTRIB2);
glDisable(GL_ALPHA_TEST);
glPopAttrib();
glUseProgram(0);
}
}