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This option allows the visualization of result using a colour color map, in which a scalar variable or a component of a vector varies between two defined values. GiD can use as many colours colors as permitted by the graphical capabilities of the computer The number of colours colors can be set through Utilities->Preferences - Postprocess->Contour fill and lines
By number of colors.
A menu of the available results to be represented will be shown, and the one that is chosen will be displayed using the current step selected.
In the model the pressure has been calculated. We can visualize the result for each step in a contour fill.
You can choose the step that you want to view through the View results window or clicking on the icon 
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Several configuration options can be set via the preferences window 
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You can change the color scale in order to get a more comfortable view. You can select several predefined color maps The default scale is rainbow, which is a rainbow colour color map starting from blue (minimum) through green and yellow, to red (maximum).
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Outliers will be drawn in the colour color defined in the Out minimum colourcolor option of the preferences window 
. In order to filter out the negative values we will change this color to transparent.
- Select Out minimum colourcolor: Transparent and press Apply.
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