You can split the columns and rows of an external, square matrix. This way you can, for example, adjust demand matrices of a roughly meshed network to a finer zone definition in the network model (Fundamentals: Splitting (extending) matrix objects).
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Note: During splitting, both the row and column of the object are split. |
1. Open a Matrix editor window with the external matrices of your choice (Opening matrices).
2. In the Matrix editor window, on the toolbar, click the 
Split symbol.
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Tip: Alternatively, on the Matrix editor menu, click Special matrix operations > Split. |
The Split window opens.
3. Click the Create button.
The Selection of the zone to be split window opens.
4. Select the number of the row or column you want to split into several rows or columns.
5. Confirm with OK.
A new entry is added to the list. It contains a column with the old row or column number and another column with the new row or column number.
6. Make your changes to the new entry.
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Column |
Description |
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NewZoneNo |
Number of the new row or column |
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Origin factor |
Factor by which the origin traffic of the selected zone is multiplied in order to calculate the values of the new zone. |
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Destination factor |
Factor by which the destination traffic of the selected zone is multiplied in order to calculate the values of the new zone. |
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Note: You can specify any factor. |
7. In the same way, you can add further entries to the list.
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Notes: To edit an individual row of the list, select it and click the Edit button. To delete rows from the list, select them and click the Delete button. You can save the list to a parameter file (*.xml) (Saving settings for special matrix operations). |
8. Make the desired changes.
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Column |
Description |
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Set any arising intrazonal demand to zero |
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Select this option to set all newly created cells of the main diagonal (row number=column number) to zero.
If this option is not selected, the values are calculated for the newly created cells in the main diagonal. The original values are multiplied by the origin factor and by the destination factor.9. Confirm with OK.
The rows or columns selected are split according to your specifications. The rows and columns with the original values are deleted.
