private static CrimeEntryOutput computeCost(CrimeDataEntry crimeEntry, double[] userCoordinates, List <CrimeDataEntry> crimeEntries)
{
CrimeEntryOutput crimeOutput = new CrimeEntryOutput();
crimeOutput.crimeEntry = crimeEntry;
// Calculation distance between the two points
double[] pointLoc = new double[] { crimeEntry.point.longitude, crimeEntry.point.latitude };
double locationCost = compute(pointLoc, userCoordinates);
// Difference of Time
TimeSpan timeCurrent = DateTime.Now.TimeOfDay;
TimeSpan timeCrime = crimeEntry.dateTime.TimeOfDay;
TimeSpan timeDiff = timeCurrent - timeCrime;
// Difference of Date
DateTime dateCurrent = DateTime.Now.Date;
DateTime dateCrime = crimeEntry.dateTime.Date;
TimeSpan dateDiff = dateCrime - dateCurrent;
// Check Frequency
int frequency = 0;
foreach (CrimeDataEntry crimeEntryIterator in crimeEntries)
{
if (crimeEntry.primaryType == crimeEntryIterator.primaryType)
{
frequency++;
}
}
crimeOutput.dateCost = dateDiff.Days;
crimeOutput.timeCost = timeDiff.Minutes;
crimeOutput.locationCost = locationCost;
crimeOutput.frequency = frequency;
return(crimeOutput);
}
public string getPointData(CrimeDataEntry crimeEntryData)
{
return(crimeEntryData.primaryType + " - " + crimeEntryData.description);
}
private static string getCrimeDescription(List <CrimeDataEntry> nearCrimeEntries, double[] userCoordinates)
{
string htmlDescription = "";
double maxCost = -10000.0f;
CrimeDataEntry maxCrimeEntry = null;
listCrimeEntryOutput = new Dictionary <CrimeEntryOutput, double>();
List <string> crimeTypesAdded = new List <string>();
foreach (CrimeDataEntry crimeEntry in nearCrimeEntries)
{
CrimeEntryOutput crimeEntryOutput = computeCost(crimeEntry, userCoordinates, nearCrimeEntries);
double computedCost = 0.35 * -1000 * crimeEntryOutput.locationCost - 0.15 * Math.Abs(crimeEntryOutput.timeCost) - 0.35 * Math.Abs(crimeEntryOutput.dateCost) * 180 + 0.15 * crimeEntryOutput.frequency * 1000;
listCrimeEntryOutput.Add(crimeEntryOutput, computedCost);
//if(computedCost > maxCost)
//{
// maxCost = computedCost;
// maxCrimeEntry = crimeEntry;
//}
//if (!crimeTypesAdded.Contains(crimeEntry.primaryType))
//{
// listCrimeEntryOutput.Add(crimeEntryOutput, computedCost);
// crimeTypesAdded.Add(crimeEntry.primaryType);
//}
}
var sortedDicitonary = from entry in listCrimeEntryOutput orderby entry.Value descending select entry;
listCrimeEntryOutputAspx = new Dictionary <CrimeEntryOutput, double>();
string primaryTypeValue = "";
for (int i = 0; i < sortedDicitonary.Count(); i++)
{
maxCrimeEntry = sortedDicitonary.ElementAt(i).Key.crimeEntry;
double[] pointLoc = new double[] { maxCrimeEntry.point.longitude, maxCrimeEntry.point.latitude };
double distanceFar = compute(userCoordinates, pointLoc);
if (!crimeTypesAdded.Contains(maxCrimeEntry.primaryType))
{
crimeTypesAdded.Add(maxCrimeEntry.primaryType);
if (i == 0)
{
htmlDescription += "<div class=\"content displayCrime\" >";
primaryTypeValue = sortedDicitonary.ElementAt(i).Key.crimeEntry.primaryType;
}
else
{
htmlDescription += "<div class=\"content hideCrime\" >";
}
htmlDescription += "<div id=\"siteNotice\">" +
"</div>" +
"<h1 id=\"firstHeading\" class=\"firstHeading\">" + maxCrimeEntry.primaryType + "</h1>" +
"<div id=\"bodyContent\">" +
"<p>Be aware of <b>" + maxCrimeEntry.primaryType + "</b> <br/>" +
"<p>Specifically for <b>" + maxCrimeEntry.description + "</b> <br/>" +
"which happened <b>" + distanceFar + " kms </b> far <br/>" +
"at <b>" + maxCrimeEntry.block + "</b><br/>" +
"on <b>" + maxCrimeEntry.dateTime + "</b>.</p> <br/>" +
"The total number of times this crime has happened in the neighbourhood is <b>" + sortedDicitonary.ElementAt(i).Key.frequency + "</b>.</p> <br/>" +
"</div>" +
"</div>";
}
if (sortedDicitonary.ElementAt(i).Key.crimeEntry.primaryType == primaryTypeValue)
{
listCrimeEntryOutputAspx.Add(sortedDicitonary.ElementAt(i).Key, sortedDicitonary.ElementAt(i).Value);
}
}
htmlDescription += "<div id=\"nextCrime\"> <a href=\"#\"><u>Next</u></a></div> ";
return(htmlDescription);
}