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The transformation is described by a 3×3 Matrice di Trasformazione of which only the upper two rows are displayed and modifiable. The upper left 2×2 submatrix (A, B, C, and D) controls scaling, rotating, and skewing, while the upper right 1×2 submatrix (E and F) controls translations.The tab includes the option Edit current matrix to select if the entered matrix should post-multiply the existing transformation matrix (option not selected) or if it should replace the current matrix (option selected).There are two important points to note. First, the transformation matrix is with respect to the point (0, 0) in screen coordinates if not editing the current matrix. If editing the current matrix, the transformation is with respect to the User Coordinate System which, if an object is not in a Gruppo, is equivalent to the SVG coordinate system (Initial View Port) where the origin is at the top-left corner of the page. See the SVG standard for more details.Second, Inkscape will modify the matrix and other parameters of an object internally so that the internal E and F terms are zero if the Store transformation parameter under the Transforms section in the Preferenze di Inkscape dialog is set to Optimized. This means, for example, that for a horizontal skew of a rectangle the internal height parameter may change. The displayed object will still look correct.
Se disegno un rettangolo di 1x1 cm voglio che questo venga duplicato su 5 righe e 5 colonne a distanza di 5 cm.