Supplement 1. Visual Basic source code containing the algorithms described in this paper.

<h2>File List</h2><blockquote> <h3><i>All files at once</i></h3> <p><a href="BBridgeCode.zip">BBridgeCode.zip</a> -- zip file containing Visual Basic executable, source code, and example input file.</p> <h3><i>Individual files</i></h3> <p><a href="BrownianBridgeExecutable.exe">BrownianBridgeExecutable.exe</a> – Executable Visual Basic program<br> <a href="ProjBrownianBridge.vbp.txt">ProjBrownianBridge.vbp.txt</a> – Source code for Visual Basic program<br> <a href="ProjBrownianBridge.vbw.txt">ProjBrownianBridge.vbw.txt</a> – Source code for Visual Basic program<br> <a href="FrmBBAnalysis.frm.txt">FrmBBAnalysis.frm.txt</a> – Source code for Visual Basic program<br> <a href="FrmGridExtent.frm.txt">FrmGridExtent.frm.txt</a> – Source code for Visual Basic program<br> <a href="FrmOpenFileBB.frm.txt">FrmOpenFileBB.frm.txt</a> – Source code for Visual Basic program<br> <a href="FrmSaveASBrownBridge.frm.txt">FrmSaveASBrownBridge.txt</a> – Source code for Visual Basic program<br> <a href="Mod1DMinimization.bas.txt">Mod1DMinimization.bas.txt</a> – Source code for Visual Basic program<br> <a href="ModFileManagement.bas.txt">ModFileManagement.bas.txt</a> – Source code for Visual Basic program<br> <a href="ModPublicVariablesBB.bas.txt">ModPublicVariablesBB.bas.txt</a> – Source code for Visual Basic program<br> <a href="ExampleInput.txt">ExampleInput.txt</a>  – Example input file<br> </p> </blockquote><h2>Description</h2><blockquote> <p>BrownianBridgeExeecutable.exe calculates the utilization distribution (i.e., probability function) based on temporally explicit location data. Algorithms are described in the original paper. The user loads a location file containing tab-delimited columns representing the <i>x</i>-coordinate, <i>y</i>-coordinate, and time of each location. The input file should have column headings such as “<i>x</i>-coordinate”, “<i>y</i>-coordinate” and “RunningClock”.  An example input data file, ExampleInput.txt, is available from the file list. Output grid is a text file containing <i>x</i> and <i>y</i> coordinates of the grid along with associated probability-of-occurrence at that grid location.</p> </blockquote>