//void GLWidget::drawVectors(PivData *pivData, Settings *settings)
void GLWidget::drawVectors(PivData *pivData)
{
Vector3D *vector;
qreal _x, _y, _z, _u, _v, _w, angle, speed;
int _intLengthX = 500;//settings->intLengthX();
int _intLengthY = 500;//settings->intLengthY();
int _intLengthZ = 500;
double scale = 0.2;//settings->vectorScale();
double vectorSub = 5;//settings->vectorSub();
bool hasTail = false;//settings
QColor colourFiltered = QColor(0, 155, 0);//settings->vectorColourFiltered();
QColor colourUnfiltered = QColor(0,255,0);// settings->vectorColourUnfiltered();
int i, j, k, vecIndex;
// 把vector加到vector3d_list中
if (!vectorGroupCreated)
createVectorGroup(pivData->numValid());
vecIndex = 0;
for (i = 0; i < xSpan; i++)
{
for (j = 0; j < ySpan; j++)
{
for (k = 0; k < zSpan; k++)
{
//qDebug() << pivData->isValid(i, j, k);
if (pivData->isValid(i, j, k))
{
vector = vector3d_list.at(vecIndex);
// Set the magnitude of the vector
_x = pivData->data(i, j, k).x;// + _intLengthX/2.0;
_y = pivData->data(i, j, k).y;// + _intLengthY/2.0;
_z = pivData->data(i, j, k).z;// + _intLengthZ/2.0; // 还要+个东西
_u = pivData->data(i, j, k).u;// - vectorSub;
_v = pivData->data(i, j, k).v;//奇怪
_w = pivData->data(i, j, k).w;//自己加的
speed = sqrt(_u * _u + _v * _v + _w * _w);
//speed = 5;
// Set the colour of the vector
if (pivData->data(i, j, k).filtered)
vector->setVector3D(speed, scale, colourFiltered, hasTail);
else
vector->setVector3D(speed, scale, colourUnfiltered, hasTail);
// Set the position of the vector
vector->setPos(_x,_y,_z);
// Set the orientation of the vector
//angle = atan2(_v,_u);
vector->setRotation(_u, _v, _w);
// Vectors are added and deleted using visibility rather than actually creating/deleting objects
vector->setVisible(true);
vector->draw();
vecIndex++;
}
}
}
}
/*glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
glTranslatef(0.0, 0.0, -10.0);
glRotatef(xRot / 16.0, 1.0, 0.0, 0.0);
glRotatef(yRot / 16.0, 0.0, 1.0, 0.0);
glRotatef(zRot / 16.0, 0.0, 0.0, 1.0);
for (int i = 0; i < vector3d_list.size(); i++)
{
Vector3D* temp = vector3d_list.at(i);
glTranslatef(0.0, 0.0, -1.0);
temp->draw();
}*/
//emit(vectorsDrawn());
}
