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  • 2.4 Saving Visualizations for Publication

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Once the visualization has been finalized in Gephi it can be exported from the Preview. In the lower left-hand corner of the tool there will be a button to export the visualization:

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Select the file format you wish to save the visualization as. In this instance we will be saving the visualization as a PDF file.

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The first step is to open the PDF file you have saved from either Gephi or GUESS in Inkscape. To open files in Inkscape go to "File > Open..."

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Select the file PDF you saved and click open:

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The first step you might need to do is to re-size document so that your visualization fits. You can change the size of the Inkscape document by going to "File > Document Properties..."

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Adjust the height and width of the document to help your visualization fit better:

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When the PDF is opened in Inkscape all of the various components of the visualization, in this case nodes, edges, and labels, will be grouped together. The next step will be to ungroup those components so you can access and edit them individually To perform an ungroup, first left-click on the graph so the entire image is selected:

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Then right-click in the center of the image and select ungroup:

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You may have to repeat this step several times to completely ungroup all the different elements of the visualization.

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Also, some of the labels may appear behind the nodes and the edges, making them difficult to read. If this is the case you can bring the label to the front. Select the label you wish to bring to the front by clicking on it. Then from the menu at the top select "Object > Raise to Top"

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Look over the entire graph and make sure all your labels are clearly visible. You may need to refer back to the visualization in GUESS or Gephi to check the labels for certain nodes and make sure all the nodes accurately labeled. If you need to edit existing label text you can do so by selecting the Create and Edit Text Objects tool: icon from the tool menu on the left-hand side of the screen or by hitting the F8 key. When using this tool click on the label you wish to edit and change the text.

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The next step is to begin creating your legend. How you create the legend depends on the values for attributes of the nodes and edges in your network. This is the information you want to convey to those who see your visualization. In the following steps we will be working with the network we generated from the florentine.nwb file in section 2.7 Visualizing Data with Sci2 on the Sci2 wiki . As you may remember, the nodes have been sized based on the wealth of the family represented by the node and colorized based on the number of priorates a particular family held. The edges have been colorized based on the type of relationship that connects two families: business tie or marriage. So, based on these attributes we are going to create titles and subtitles for our legend:

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Using the Create and Edit Text Objects tool: you can create titles. For each section of text that you want to display a different font size and color, for example the subtitles, you will need to create a separate text object. If you want to edit the text you can use the tool bar at the top of the tool:

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If you are unable to accurately copy and past the circles from the network you can create your own using the circle tool and manually creating the symbols:

 

 When When the you have created the symbols for thee nodes you may need to change the stroke and fill colors so that all the symbols are the same. To change the stroke color and the fill color for any object in the graph simply use the selection tool: to identify the object and then go to "Object > Fill and Stroke..." in the tool menu. This will bring up the pallet you need to edit the fill and stroke for objects:

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