/// <summary>
/// Splits the list of segments into 2 lists depening where they lay(West or East). If it's stuck between the
/// two, it splits it in half and adds the halves to the according list.
/// </summary>
/// <param name="split">List of street segments being split.</param>
/// <param name="x">Value of X on the graph.</param>
/// <param name="east">list of all segments east.</param>
/// <param name="west">List of all segments west.</param>
private static void SplitEastWest(List <StreetSegment> split, float x, List <StreetSegment> east,
List <StreetSegment> west)
{
foreach (StreetSegment street in split)
{
if (street.Start.X <= x && street.End.X <= x)
{
west.Add(street);
}
else if (street.Start.X > x && street.End.X > x)
{
east.Add(street);
}
else
{
StreetSegment firstHalf = street;
StreetSegment secondHalf = street;
float y = (((street.End.Y - street.Start.Y) * (x - street.Start.X)) / (street.End.X - street.Start.X))
+ street.Start.Y;
firstHalf.Start = new PointF(x, y);
secondHalf.End = new PointF(x, y);
if (firstHalf.End.X > x)
{
east.Add(firstHalf);
west.Add(secondHalf);
}
else
{
east.Add(secondHalf);
west.Add(firstHalf);
}
}
}
}
/// <summary>
/// Private method ReadFile reads the contents of a file using a StreamReader and mapBounds
/// </summary>
/// <param name="fileName">This string is the filename passed in</param>
/// <param name="mapBounds">Passed as a reference, this RectangleF will contain the bounds of the map</param>
/// <returns></returns>
private static List <StreetSegment> ReadFile(string fileName, out RectangleF mapBounds)
{
using (StreamReader sr = new StreamReader(fileName))
{
string[] lines;
List <StreetSegment> streets = new List <StreetSegment>();
string heightAndWidth = sr.ReadLine();
string[] fields = heightAndWidth.Split(',');
mapBounds = new RectangleF(0, 0, Convert.ToSingle(fields[0]), Convert.ToSingle(fields[1]));
while (!sr.EndOfStream)
{
fields = sr.ReadLine().Split(',');
float x1 = Convert.ToSingle(fields[0]);
float y1 = Convert.ToSingle(fields[1]);
float x2 = Convert.ToSingle(fields[2]);
float y2 = Convert.ToSingle(fields[3]);
PointF point1 = new PointF(x1, y1);
PointF point2 = new PointF(x2, y2);
Color color = Color.FromArgb(Convert.ToInt32(fields[4]));
float width = Convert.ToSingle(fields[5]);
int zoom = Convert.ToInt32(fields[6]);
StreetSegment street = new StreetSegment(point1, point2, color, width, zoom);
streets.Add(street);
}
return(streets);
}
}
/// <summary>
/// Splits the streets into a north and south portion
/// </summary>
/// <param name="split">The street segment to be split</param>
/// <param name="horizontal">The y value of the horizontal line</param>
/// <param name="north">The street segment north of the horizontal line</param>
/// <param name="south">The street segment south of the horizontal line</param>
private static void SplitNorthSouth(List <StreetSegment> split, float horizontal, List <StreetSegment> north, List <StreetSegment> south)
{
foreach (StreetSegment street in split)
{
if (street.Ending.Y <= horizontal && street.Starting.Y <= horizontal)
{
north.Add(street);
}
else if (street.Ending.Y >= horizontal && street.Starting.Y >= horizontal)
{
south.Add(street);
}
else
{
StreetSegment newNorth = street;
StreetSegment newSouth = street;
float newX = ((street.Ending.X - street.Starting.X) * (horizontal - street.Starting.Y) / (street.Ending.Y - street.Starting.Y)) + street.Starting.X;
PointF pointf = new PointF(newX, horizontal);
newNorth.Ending = pointf;
newSouth.Starting = pointf;
if (newNorth.Starting.Y <= horizontal)
{
north.Add(newNorth);
south.Add(newSouth);
}
else
{
north.Add(newSouth);
south.Add(newNorth);
}
}
}
}
/// <summary>
/// Splits the street segments into an east and west portion
/// </summary>
/// <param name="split">Street segment to split</param>
/// <param name="vertical">The x value of the vertical line</param>
/// <param name="west">The street segments west of the vertical line</param>
/// <param name="east">The street segments east of the vertical line</param>
private static void SplitEastWest(List <StreetSegment> split, float vertical, List <StreetSegment> west, List <StreetSegment> east)
{
foreach (StreetSegment street in split)
{
if (street.Ending.X <= vertical && street.Starting.X <= vertical)
{
west.Add(street);
}
else if (street.Ending.X >= vertical && street.Starting.X >= vertical)
{
east.Add(street);
}
else
{
StreetSegment newEast = street;
StreetSegment newWest = street;
float newY = ((street.Ending.Y - street.Starting.Y) * (vertical - street.Starting.X) / (street.Ending.X - street.Starting.X)) + street.Starting.Y;
PointF pointf = new PointF(vertical, newY);
newEast.Ending = pointf;
newWest.Starting = pointf;
if (newEast.Ending.X >= vertical)
{
east.Add(newEast);
west.Add(newWest);
}
else
{
east.Add(newWest);
west.Add(newEast);
}
}
}
}
/// <summary>
/// splits list of streets into east and west
/// </summary>
/// <param name="streets">list of streets to split</param>
/// <param name="x">point to determine east and west sides</param>
/// <param name="west">list to put all west street segments</param>
/// <param name="east">list to put all east street segments</param>
private static void SplitEastWest(List <StreetSegment> streets, float x, List <StreetSegment> west, List <StreetSegment> east)
{
for (int i = 0; i < streets.Count; i++)
{
if (streets[i].Start.X <= x && streets[i].End.X <= x)
{
west.Add(streets[i]);
}
else if (streets[i].Start.X >= x && streets[i].End.X >= x)
{
east.Add(streets[i]);
}
else
{
float y = (((streets[i].End.Y - streets[i].Start.Y) * (x - streets[i].Start.X)) / (streets[i].End.X - streets[i].Start.X)) + streets[i].Start.Y;
StreetSegment copy1 = streets[i];
StreetSegment copy2 = streets[i];
copy1.Start = new PointF(x, y);
copy2.End = new PointF(x, y);
if (copy1.End.X <= x)
{
west.Add(copy1);
east.Add(copy2);
}
else
{
west.Add(copy2);
east.Add(copy1);
}
}
}
}
/// <summary>
/// splits list of streets into east and west
/// </summary>
/// <param name="streets">list of streets to split</param>
/// <param name="y">point to determine north and south sides</param>
/// <param name="north">list to put all north street segments</param>
/// <param name="south">list to put all south street segments</param>
private static void SplitNorthSouth(List <StreetSegment> streets, float y, List <StreetSegment> north, List <StreetSegment> south)
{
for (int i = 0; i < streets.Count; i++)
{
if (streets[i].Start.Y <= y && streets[i].End.Y <= y)
{
south.Add(streets[i]);
}
else if (streets[i].Start.Y >= y && streets[i].End.Y >= y)
{
north.Add(streets[i]);
}
else
{
float x = (((streets[i].End.X - streets[i].Start.X) * (y - streets[i].Start.Y)) / (streets[i].End.Y - streets[i].Start.Y)) + streets[i].Start.X;
StreetSegment copy1 = streets[i];
StreetSegment copy2 = streets[i];
copy1.Start = new PointF(x, y);
copy2.End = new PointF(x, y);
if (copy1.End.Y <= y)
{
south.Add(copy1);
north.Add(copy2);
}
else
{
south.Add(copy2);
north.Add(copy1);
}
}
}
}
/// <summary>
/// Works similar to the above method. Splits the segments from the list into 2 new lists. If it's between the
/// 2 directions, it splits it in half and adds them to the correct list.
/// </summary>
/// <param name="split">List of segments being split</param>
/// <param name="y">value of Y on the graph.</param>
/// <param name="north">List of segments north.</param>
/// <param name="south">List of segments south.</param>
private static void SplitNorthSouth(List <StreetSegment> split, float y, List <StreetSegment> north,
List <StreetSegment> south)
{
foreach (StreetSegment street in split)
{
if (street.Start.Y <= y && street.End.Y <= y)
{
north.Add(street);
}
else if (street.Start.Y > y && street.End.Y > y)
{
south.Add(street);
}
else
{
StreetSegment firstHalf = street;
StreetSegment secondHalf = street;
float x = (((street.End.X - street.Start.X) * (y - street.Start.Y)) / (street.End.Y - street.Start.Y))
+ street.Start.X;
firstHalf.End = new PointF(x, y);
secondHalf.Start = new PointF(x, y);
if (firstHalf.End.Y > y)
{
south.Add(firstHalf);
north.Add(secondHalf);
}
else
{
south.Add(secondHalf);
north.Add(firstHalf);
}
}
}
}
/// <summary>
/// Private method SplitEastWest splits street segments into an east portion and a west portion
/// </summary>
/// <param name="splitSegments">The segments to split</param>
/// <param name="givenX">A given int to determine where to place the split segments</param>
/// <param name="westSegmentsList">the western segments</param>
/// <param name="eastSegmentsList">the eastern segments</param>
private static void SplitEastWest(List <StreetSegment> splitSegments, float givenX, List <StreetSegment> westSegmentsList, List <StreetSegment> eastSegmentsList)
{
foreach (StreetSegment segment in splitSegments)
{
//beginning x coordinates
float x1 = segment.End.X;
//ending x coordinates
float x2 = segment.Start.X;
//Case 1: Both endpoints x-coordinates are no greater than the givenX
if (x1 <= givenX && x2 <= givenX)
{
westSegmentsList.Add(segment);
}
//Case 2: Both endpoints x-coordinates are no less than the givenX
else if (x1 >= givenX && x2 >= givenX)
{
eastSegmentsList.Add(segment);
}
//Case 3: one endpoint is west of vertical line, other is east.
//In this case we split the segment into two segments with
//One segment lying to the west of the vertical line and the other to the east
else
{
float newY = ((segment.End.Y - segment.Start.Y) / (segment.End.X - segment.Start.X) * (givenX - segment.Start.X)) + segment.Start.Y;
StreetSegment s1 = segment;
StreetSegment s2 = segment;
s1.End = new PointF(givenX, newY);
s2.Start = new PointF(givenX, newY);
if (s1.Start.X <= givenX)
{
eastSegmentsList.Add(s2);
westSegmentsList.Add(s1);
}
if (s2.Start.X >= givenX)
{
eastSegmentsList.Add(s1);
westSegmentsList.Add(s2);
}
}
}
}
/// <summary>
/// Private method SplitNorthSouth seperates segments into lists of north or south based on a given Y and a segment
/// </summary>
/// <param name="splitSegments">Segments to split</param>
/// <param name="givenY">The given Y coordinate</param>
/// <param name="northSegmentsList">A list of the segments going to the North</param>
/// <param name="southSegmentsLIst">A list of the segments going to the South</param>
private static void SplitNorthSouth(List <StreetSegment> splitSegments, float givenY, List <StreetSegment> southSegmentsList, List <StreetSegment> northSegmentsList)
{
foreach (StreetSegment segment in splitSegments)
{
//beginning y coordinates
float y1 = segment.Start.Y;
//ending y coordinates
float y2 = segment.End.Y;
//Case 1: Both endpoints y-coordinates are no greater than the givenX
if (y1 <= givenY && y2 <= givenY)
{
northSegmentsList.Add(segment);
}
//Case 2: Both endpoints x-coordinates are no less than the givenX
else if (y1 >= givenY && y2 >= givenY)
{
southSegmentsList.Add(segment);
}
//Case 3: one endpoint is west of vertical line, other is east.
//In this case we split the segment into two segments with
//One segment lying to the west of the vertical line and the other to the east
else
{
float newX = ((segment.End.X - segment.Start.X) / (segment.End.Y - segment.Start.Y) * (givenY - segment.Start.Y)) + segment.Start.X;
StreetSegment s1 = segment;
StreetSegment s2 = segment;
s1.End = new PointF(newX, givenY);
s2.Start = new PointF(newX, givenY);
if (s1.Start.Y <= givenY)
{
southSegmentsList.Add(s2);
northSegmentsList.Add(s1);
}
if (s2.Start.X >= givenY)
{
southSegmentsList.Add(s1);
northSegmentsList.Add(s2);
}
}
}
}
Map uxMap; //the Map to be used
/// <summary>
/// Used to read a csv file
/// </summary>
/// <param name="fileName">the name of the file</param>
/// <param name="bounds">output a rectangle from the first line of the file</param>
/// <returns></returns>
private static List <StreetSegment> ReadFile(string fileName, out RectangleF bounds)
{
List <StreetSegment> map = new List <StreetSegment>();
using (StreamReader input = new StreamReader(fileName))
{
string[] rect = input.ReadLine().Split(',');
bounds = new RectangleF(0, 0, Convert.ToSingle(rect[0]), Convert.ToSingle(rect[1]));
while (!input.EndOfStream)
{
string[] para = input.ReadLine().Split(',');
PointF start = new PointF(Convert.ToSingle(para[0]), Convert.ToSingle(para[1]));
PointF end = new PointF(Convert.ToSingle(para[2]), Convert.ToSingle(para[3]));
StreetSegment street = new StreetSegment(start, end, Color.FromArgb(Convert.ToInt32(para[4])), Convert.ToSingle(para[5]), Convert.ToInt32(para[6]));
map.Add(street);
}
return(map);
}
}
/// <summary>
/// Reads the file inputted and puts the values into a list of street segments.
/// </summary>
/// <param name="f">String of street data.</param>
/// <param name="bounds">Area of the streets.</param>
/// <returns></returns>
private static List <StreetSegment> ReadFile(string f, out RectangleF bounds)
{
/*List<StreetSegment> _streets = new List<StreetSegment>();
*
* using (StreamReader sr = new StreamReader(f))
* {
* string[] coords = sr.ReadLine().Split(',');
* bounds = new RectangleF(0, 0, Convert.ToSingle(coords[0]), Convert.ToSingle(coords[1]));
*
* while (!sr.EndOfStream)
* {
* string[] lines = sr.ReadLine().Split(',');
* PointF start = new PointF(Convert.ToInt32(lines[0]), Convert.ToInt32(lines[1]));
* PointF end = new PointF(Convert.ToInt32(lines[2]), Convert.ToInt32(lines[3]));
* Color color = Color.FromArgb(Convert.ToInt32(lines[4]));
* int vl = Convert.ToInt32(lines[5]);
* float w = Convert.ToSingle(lines[6]);
* StreetSegment street = new StreetSegment(start, end, color, w, vl);
* _streets.Add(street);
* }
* }
* return _streets;*/
List <StreetSegment> list = new List <StreetSegment>();
using (StreamReader input = new StreamReader(f))
{
string[] conttents = input.ReadLine().Split(',');
bounds = new RectangleF(0, 0, Convert.ToSingle(conttents[0]), Convert.ToSingle(conttents[1]));
while (!input.EndOfStream)
{
string[] contents = input.ReadLine().Split(',');
PointF start = new PointF(Convert.ToSingle(contents[0]), Convert.ToSingle(contents[1]));
PointF end = new PointF(Convert.ToSingle(contents[2]), Convert.ToSingle(contents[3]));
StreetSegment str = new StreetSegment(start, end, Color.FromArgb(Convert.ToInt32(contents[4])), Convert.ToSingle(contents[5]), Convert.ToInt32(contents[6]));
list.Add(str);
}
}
return(list);
}
} //END OF uxOpenMap_Click METHOD
/// <summary>
/// Reads the file from the excel CSV doc
/// </summary>
/// <param name="fileName">Holds the string name to the file</param>
/// <param name="mapBounds">Holds the map bounds for the QuadTree class</param>
/// <returns></returns>
private static List <StreetSegment> ReadFile(string fileName, out RectangleF mapBounds)
{
List <StreetSegment> listOfStreets = new List <StreetSegment>();
using (StreamReader input = new StreamReader(fileName))
{
string[] lines = input.ReadLine().Split(',');
float width = Convert.ToSingle(lines[0]);
float length = Convert.ToSingle(lines[1]);
mapBounds = new RectangleF(0, 0, width, length);
while (!input.EndOfStream)
{
lines = input.ReadLine().Split(',');
PointF xCord = new PointF(Convert.ToSingle(lines[0]), Convert.ToSingle(lines[1]));
PointF yCord = new PointF(Convert.ToSingle(lines[2]), Convert.ToSingle(lines[3]));
Color color = Color.FromArgb(Convert.ToInt32(lines[4]));
StreetSegment newStreet = new StreetSegment(xCord, yCord, color, Convert.ToSingle(lines[5]), Convert.ToInt32(lines[6]));
listOfStreets.Add(newStreet);
} //END OF WHILE LOOP
} //END OF USING STATEMENT
return(listOfStreets);
} //END OF ReadFile method
/// <summary>
/// splits north and south
/// </summary>
/// <param name="splitStreet">streets to split</param>
/// <param name="y">point to split at</param>
/// <param name="northStreets">north streets</param>
/// <param name="southStreets">south streets</param>
private static void SplitNorthSouth(List <StreetSegment> splitStreet, float y, List <StreetSegment> northStreets, List <StreetSegment> southStreets)
{
foreach (StreetSegment s in splitStreet)
{
if (s.Start.Y <= y & s.End.Y <= y)
{
northStreets.Add(s);
}
else if (s.Start.Y >= y & s.End.Y >= y)
{
southStreets.Add(s);
}
else
{
StreetSegment sCopy1 = s;
StreetSegment sCopy2 = s;
float x1 = s.Start.X;
float y1 = s.Start.Y;
float x2 = s.End.X;
float y2 = s.End.Y;
float x = (((x2 - x1) * (y - y1)) / (y2 - y1)) + x1;
sCopy1.End = new PointF(x, y);
sCopy2.Start = new PointF(x, y);
if (sCopy1.Start.X >= x)
{
southStreets.Add(sCopy1);
northStreets.Add(sCopy2);
}
else
{
southStreets.Add(sCopy2);
northStreets.Add(sCopy1);
}
}
}
}
/// <summary>
/// Splits east and west lines
/// </summary>
/// <param name="splitStreet">the list to split</param>
/// <param name="x">the point to seperate east and west</param>
/// <param name="westStreets">a list of west streets</param>
/// <param name="eastStreets">a list of east streets</param>
private static void SplitEastWest(List <StreetSegment> splitStreet, float x, List <StreetSegment> westStreets, List <StreetSegment> eastStreets)
{
foreach (StreetSegment s in splitStreet)
{
if (s.Start.X <= x & s.End.X <= x)
{
westStreets.Add(s);
}
else if (s.Start.X >= x & s.End.X >= x)
{
eastStreets.Add(s);
}
else
{
StreetSegment sCopy1 = s;
StreetSegment sCopy2 = s;
float x1 = s.Start.X;
float y1 = s.Start.Y;
float x2 = s.End.X;
float y2 = s.End.Y;
float y = (((y2 - y1) * (x - x1)) / (x2 - x1)) + y1;
sCopy1.End = new PointF(x, y);
sCopy2.Start = new PointF(x, y);
if (sCopy1.Start.X >= x)
{
eastStreets.Add(sCopy1);
westStreets.Add(sCopy2);
}
else
{
eastStreets.Add(sCopy2);
westStreets.Add(sCopy1);
}
}
}
}
/// <summary>
/// Splits street segments into a north portion and a south portion.
/// </summary>
/// <param name="tosplit"></param>
/// <param name="north"></param>
/// <param name="south"></param>
private static void SplitNorthSouth(List <StreetSegment> tosplit, float value, List <StreetSegment> north, List <StreetSegment> south)
{
foreach (StreetSegment temp in tosplit)
{
if (temp.Start.Y <= value && temp.End.Y <= value)
{
south.Add(temp);
}
else if (temp.Start.Y >= value && temp.End.Y >= value)
{
north.Add(temp);
}
else
{
if (temp.Start.X != temp.End.X)
{
float x = (((temp.End.X - temp.Start.X) / (temp.End.Y - temp.Start.Y)) * (value - temp.Start.Y)) + temp.Start.X;
PointF mid = new PointF(x, value);
StreetSegment n = temp;
StreetSegment s = temp;
n.End = mid;
s.Start = mid;
if (n.Start.Y >= value)
{
north.Add(n);
south.Add(s);
}
else
{
north.Add(s);
south.Add(n);
}
}
}
}
}
/// <summary>
/// Reads in data from input files.
/// </summary>
/// <param name="name"></param>
/// <param name="bounds"></param>
/// <returns></returns>
private static List <StreetSegment> ReadFile(string name, out RectangleF bounds)
{
List <StreetSegment> Data = new List <StreetSegment>();
using (StreamReader input = new StreamReader(name))
{
string[] line = input.ReadLine().Split(',');
float width = Convert.ToSingle(line[0]);
float height = Convert.ToSingle(line[1]);
bounds = new RectangleF(0, 0, width, height);
while (!input.EndOfStream)
{
line = input.ReadLine().Split(',');
Color color = Color.FromArgb(Convert.ToInt32(line[4]));
PointF X = new PointF(Convert.ToSingle(line[0]), Convert.ToSingle(line[1]));
PointF Y = new PointF(Convert.ToSingle(line[2]), Convert.ToSingle(line[3]));
StreetSegment temp = new StreetSegment(X, Y, color, Convert.ToSingle(line[5]), Convert.ToInt32(line[6]));
Data.Add(temp);
}
}
return(Data);
}
/// <summary>
/// Splits street segments into an east portion and a west portion.
/// </summary>
/// <param name="tosplit"></param>
/// <param name="west"></param>
/// <param name="east"></param>
private static void SplitEastWest(List <StreetSegment> tosplit, float value, List <StreetSegment> west, List <StreetSegment> east)
{
foreach (StreetSegment temp in tosplit)
{
if (temp.Start.X <= value && temp.End.X <= value)
{
west.Add(temp);
}
else if (temp.Start.X >= value && temp.End.X >= value)
{
east.Add(temp);
}
else
{
if (temp.Start.X != temp.End.X)
{
float y = (((temp.End.Y - temp.Start.Y) / (temp.End.X - temp.Start.X)) * (value - temp.Start.X)) + temp.Start.Y;
PointF mid = new PointF(value, y);
StreetSegment w = temp;
StreetSegment e = temp;
w.End = mid;
e.Start = mid;
if (w.Start.X <= value)
{
west.Add(w);
east.Add(e);
}
else
{
west.Add(e);
east.Add(w);
}
}
}
}
}
} //END OF visibility
/// <summary>
/// Iterates through the street segments to split east or west
/// </summary>
/// <param name="split">List of streetSegments to split</param>
/// <param name="vertical">giving the value of a verticle line</param>
/// <param name="west">street segments west of the given vertical line will be placed here</param>
/// <param name="east">street segments east of the given vertical line will be placed here</param>
private static void eastOrWest(List <StreetSegment> split, float vertical, List <StreetSegment> west, List <StreetSegment> east)
{
foreach (StreetSegment street in split)
{
if (street.start.X <= vertical && street.end.X <= vertical)
{
west.Add(street);
} //END OF IF STATEMENT
else if (street.start.X >= vertical && street.end.X >= vertical)
{
east.Add(street);
} //END OF ELSE-IF STATEMENT
else
{
if (street.start.X != street.end.X)
{
StreetSegment tempEast = street;
StreetSegment tempWest = street;
float YCord = (((street.end.Y - street.start.Y) / (street.end.X - street.start.X)) * (vertical - street.start.X)) + street.start.Y;
PointF tempE = new PointF(vertical, YCord);
tempWest.end = tempE;
tempEast.start = tempE;
if (tempWest.start.X <= vertical)
{
west.Add(tempWest);
east.Add(tempEast);
} //END OF IF STATEMENT
else
{
west.Add(tempEast);
east.Add(tempWest);
} //END OF ELSE STATEMENT
} //END OF IF STATEMENT
} //END OF ELSE-IF STATEMENT
} //END OF foreach LOOP
} //END OF eastORWest METHOD
} //END OF eastORWest METHOD
/// <summary>
/// Method used to split the streets into north or south lists
/// </summary>
/// <param name="split">Full list of streets</param>
/// <param name="horizontal">The horizontal point we are splitting upon</param>
/// <param name="north">The list that will be modified to hold the north streets</param>
/// <param name="south">The list that will be modified to hold the south streets</param>
private static void northOrSouth(List <StreetSegment> split, float horizontal, List <StreetSegment> north, List <StreetSegment> south)
{
foreach (StreetSegment street in split)
{
if (street.start.Y <= horizontal && street.end.Y <= horizontal)
{
south.Add(street);
} //END OF IF STATEMENT
else if (street.start.Y >= horizontal && street.end.Y >= horizontal)
{
north.Add(street);
} //END OF ELSE-IF STATEMENT
else
{
if (street.end.X != street.start.X)
{
StreetSegment tempNorth = street;
StreetSegment tempSouth = street;
float xCord = (((street.end.X - street.start.X) / (street.end.Y - street.start.Y)) * (horizontal - street.start.Y)) + street.start.X;
PointF tempE = new PointF(xCord, horizontal);
tempNorth.end = tempE;
tempSouth.start = tempE;
if (street.start.Y > horizontal)
{
north.Add(tempNorth);
south.Add(tempSouth);
} //END OF IF STATEMENT
else
{
south.Add(tempNorth);
north.Add(tempSouth);
} //END OF ELSE STATEMENT
} //END OF IF STATEMENT
} //END OF ELSE STATEMENT
} //END OF FOREACH LOOP
} //END OF northOrSouth METHOD