void BasicLocator::draw( M3dView & view, const MDagPath & path,
M3dView::DisplayStyle style, M3dView::DisplayStatus status )
{
view.beginGL();
glPushAttrib( GL_CURRENT_BIT );
MPointArray pts;
getCirclePoints( pts );
glBegin(GL_LINE_STRIP);
for( unsigned int i=0; i < pts.length(); i++ )
glVertex3f( float(pts[i].x), float(pts[i].y), float(pts[i].z) );
glEnd();
glBegin(GL_LINES);
glVertex3f( -0.5f, 0.0f, 0.0f );
glVertex3f( 0.5f, 0.0f, 0.0f );
glVertex3f( 0.0f, 0.0f, -0.5f );
glVertex3f( 0.0f, 0.0f, 0.5f );
glEnd();
glPopAttrib();
view.endGL();
}
double symmetryDetection::detectSymmetryAngle (const Mat& pattern, const Point& centroid) {
vector<int> angles;
for (int radius = CONCENTRIC_MIN_RADIUS; radius < getMinContainingRadius(pattern, centroid); radius += CONCENTRIC_SAMPLE_STEP) {
vector<Point> circle_pts = getCirclePoints(centroid, radius);
Mat circle_pt_mat = Mat((int)circle_pts.size(), 1, CV_64FC1);
Mat convolved_mat = Mat((int)circle_pts.size(), 1, CV_64FC1);
for (int i = 0; i < circle_pts.size(); i ++) {
circle_pt_mat.at<double>(i, 0) = pattern.at<double>(circle_pts[i]);
}
for (int i = 0; i < circle_pts.size(); i ++) {
convolved_mat.at<double>(i, 0) = convolveMat(circle_pt_mat);
shiftMatElement(circle_pt_mat);
}
double max = 0.0;
int idx = 0;
for (int i = 0; i < convolved_mat.rows; i ++) {
if ( max < convolved_mat.at<double>(i, 0) ) {
max = convolved_mat.at<double>(i, 0);
idx = i;
}
}
int angle = ceil(135 - idx*(360.0 / convolved_mat.rows));
angle = angle > 0 ? angle : 360 + angle;
angles.push_back(angle);
}
return mode(angles);
}
MBoundingBox BasicLocator::boundingBox() const
//
// N.B. It is important to have this bounding box function otherwise zoom selected and
// zoom all won't work correctly.
//
{
MPointArray pts;
getCirclePoints( pts );
MBoundingBox bbox;
for( unsigned int i=0; i < pts.length(); i++ )
bbox.expand( pts[i] );
return bbox;
}
int symmetryDetection::getMinContainingRadius (const Mat& pattern, const Point& centroid) {
int min_radius = 0;
for (int r = INNER_MOST_RADIUS; r < pattern.rows/2; r ++) {
vector<Point>circle_p = getCirclePoints(centroid, r);
for (int i = 0; i < circle_p.size(); i ++) {
if ( pattern.at<double>(circle_p[i]) ) {
min_radius = r;
break;
}
}
}
return min_radius;
}
