Peter M. Groen / openbr

Commit 05f974da0bfd8e4c7ffc45758d42a091d08b737c

Authored by Brendan Klare
1 parent 9bf09e4d

Convenience function to go between matrix and point list

Inline Side-by-side
Showing 2 changed files with 15 additions and 1 deletions
openbr/core/eigenutils.cpp
  View file @05f974d
... ... @@ -95,3 +95,12 @@ MatrixXf removeRowCol(MatrixXf X, int row, int col) {
95 95 }
96 96 return Y;
97 97 }
  98 +
  99 +MatrixXf pointsToMatrix(QList<QPointF> points) {
  100 + MatrixXf P(points.size(), 2);
  101 + for (int i = 0; i < points.size(); i++) {
  102 + P(i, 0) = points[i].x();
  103 + P(i, 1) = points[i].y();
  104 + }
  105 + return P;
  106 +}
... ...
openbr/core/eigenutils.h
  View file @05f974d
... ... @@ -29,9 +29,13 @@ void printEigen(Eigen::MatrixXd X);
29 29 void printEigen(Eigen::MatrixXf X);
30 30 void printSize(Eigen::MatrixXf X);
31 31  
32   -//Remove row and column from the matrix
  32 +//Remove row and column from the matrix:
33 33 Eigen::MatrixXf removeRowCol(Eigen::MatrixXf X, int row, int col);
34 34  
  35 +//Convert a point list into a matrix:
  36 +Eigen::MatrixXf pointsToMatrix(QList<QPointF> points);
  37 +
  38 +
35 39 template<typename _Scalar, int _Rows, int _Cols, int _Options, int _MaxRows, int _MaxCols>
36 40 inline QDataStream &operator<<(QDataStream &stream, const Eigen::Matrix< _Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols > &mat)
37 41 {
... ... @@ -121,4 +125,5 @@ Eigen::MatrixBase&lt;T&gt; eigStd(const Eigen::MatrixBase&lt;T&gt;&amp; x,int dim)
121 125 }
122 126 qFatal("A matrix can only have two dimensions");
123 127 }
  128 +
124 129 #endif // EIGENUTILS_H
... ...