I remember looking at this map back when the elections were on in May this year. I think that it was very useful in not only showing how the voting had gone throughout the country and different constituencies but it was also interactive. It allowed you to set the parties vote share by clicking and dragging the small arrows surrounding the chart. So you could see for yourself who may have won the election if for example you gave the Liberal Democrats a higher proportion of the votes.
By moving the cursor this altered the House of Commons seats and so showed what the outcome would be depending on how you moved the cursors for the vote share. The use of colour to distinguish between the different parties makes it clearer for the audience to understand, which party is which, as well as making it aesthetically pleasing.
I think the inclusion of text with the graphics is important here because if it did not have anything written with it, you would not know that you could move the cursors to change the parties’ vote share. Over the cursors there is a box with the text ‘click and drag to set the parties’ share of the vote’. It stands out from the rest of the text, which I think is particularly noticeable to the audience.
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