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  1. #1
    Join Date
    Mar 2018
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    Default QVector<QVector3D> index out of range at pushback operation

    I have this typeof data:
    Qt Code:
    1. QVector<QVector3D> vector_aux;
    2. QVector<int> indicies;
    3. QVector<QVector3D> vector_coord;
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    My goal is to rearrange the vector_aux to vector_coord by the value stored in indicies.

    If i store my singular data in vector_aux like this no error occured:
    Qt Code:
    1. vector_aux << QVector3D( 0.276388, 0.850649, -0.447220)
    2. << QVector3D( 0.483971, 0.716565, -0.502302) .. and so on till i store 104 data.
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    The indicies.lenght() => 548

    If i try do it and when i stored 500 data the program crash:
    ..
    Ok at = 490
    Ok at = 500
    ASSERT failure in QVector<T>:: operator[]: "index out of range", file C:\Qt\Qt5.13.1\5.13.1\mingw73_64\include/QtCore/qvector.h, line 448

    Qt Code:
    1. for (int i=0; i<indicies.length(); i++){
    2. vector_coord.push_back(vector_aux[indicies[i]]);
    3. if (i%10==0){
    4. qDebug() << "Ok at =" << i;
    5. }
    6.  
    7. }
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    There is a limit of 500 data that i can store, or there an other reason for my trouble?
    Last edited by andreaQt; 4th September 2020 at 17:56.

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