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Optimisation run results are compared to the Pareto Front. The Pareto Front is the set of solutions which have differing performance on each of the objectives. A solution is not on the Pareto Front if there is an alternative that is better on atleast one of the objectives but no worse on any objectives. In this case the solution is discarded as the alternative is clearly preferable. If the Pareto Front solutions are not changing, the optimiser may have satisfactorily completed its multi-objective search.
Figure 1. Insight results, hypervolume plots
On completion of the run, you will be prompted to save the results, which can then be viewed at a later stage if required.
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The Filter Properties dialog (Figure 24) allows you to view the results in a specified range:
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Figure 3. Insight results, 2D graph
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4. Insight results, Filter properties
Three-dimensional graph
Click the 3D Graph tab to view a three-dimensional plot of the computed optimised solutions (shown in Figure 35). Just as with the two-dimensional graph, the individual solutions form a Pareto Front. The x, y and z-axes represent the objectives that were specified in the project. These can be changed using their corresponding drop down menus in the Configure panel on the left. Click Plot to change the axes; Reset to revert it back to its original state, and Save to save the results of the 3D graph to a file.
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- Press the Ctrl key on your keyboard and hold it down for the duration of the exercise;
- Right-click on the 3-D graph once;
- Right-click again and hold down the mouse button; and
- Move the mouse to rotate the entire graph.
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5. Insight results, 3D graph
Spider graph
The third tab in the Results dialog shows the optimised results in a spider graph (as shown in Figure 46). You can use the Filter feature (as described previously) to view a filtered spider graph of the results.
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6. Insight results, Spider graph
Table
The final tab in the Results dialog shows all the results of the optimisation in a table. Figure 5 7 shows an example of the table, with all optimised solutions for each objective and decision variable specified in Insight. Note that the green arrow on the right allows you to save the decision variable to the Source project.
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