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updateDimensions in PreviewController does not take into account node size #514

ripkrizbi opened this Issue Jan 23, 2012 · 1 comment


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ripkrizbi commented Jan 23, 2012

updateDimensions() in (Preview API) that is used to (re)calculate graph dimensions does so based on node centers, without considering node sizes, so the nodes on the border are cut off.

I would suggest adding a few lines to the loop over nodes: ( line 192)

        for (Item nodeItem : nodeItems) {
            float x = (Float) nodeItem.getData("x");
            float y = (Float) nodeItem.getData("y");
            float s = (Float) nodeItem.getData("size");

            if (x-s < topLeftX) {
                topLeftX = x-s;
            if (y-s < topLeftY) {
                topLeftY = y-s;
            if (x+s > bottomRightX) {
                bottomRightX = x+s;
            if (y+s > bottomRightY) {
                bottomRightY = y+s;

I can see that there is a "margin" property, but I can't find a way to set this property through the UI. One more issue is the correct calculation of graph boundaries when labels are rendered....

@ghost ghost assigned mbastian Jan 24, 2012


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mbastian commented Jan 24, 2012

Thanks for your patch! I added the code. The size should be divided by two though to be exact.

The margin is only useful for exports so it is set from the export's settings (the settings button on the export dialog).

@mbastian mbastian closed this Jan 24, 2012

mbastian added a commit to mbastian/gephi that referenced this issue Jan 24, 2012

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