/// <summary>
/// Determines the positions, in world coordinates, of the large ticks. No
/// small tick marks are currently calculated by this method.
///
/// </summary>
/// <param name="physicalMin">The physical position corresponding to the world minimum of the axis.</param>
/// <param name="physicalMax">The physical position corresponding to the world maximum of the axis.</param>
/// <param name="largeTickPositions">ArrayList containing the positions of the large ticks.</param>
/// <param name="smallTickPositions">null</param>
internal override void WorldTickPositions_FirstPass(Point physicalMin, Point physicalMax,
out ArrayList largeTickPositions, out ArrayList smallTickPositions )
{
smallTickPositions = null;
largeTickPositions = new ArrayList ();
const int daysInMonth = 30;
TimeSpan timeLength = new TimeSpan ((long)(WorldMax-WorldMin));
DateTime worldMinDate = new DateTime ((long)WorldMin);
DateTime worldMaxDate = new DateTime ((long)WorldMax);
if (largeTickStep_ == TimeSpan.Zero) {
// if less than 10 minutes, then large ticks on second spacings.
if (timeLength < new TimeSpan(0,0,2,0,0)) {
LargeTickLabelType_ = LargeTickLabelType.hourMinuteSeconds;
double secondsSkip;
if (timeLength < new TimeSpan(0, 0, 0, 10, 0)) {
secondsSkip = 1.0;
}
else if (timeLength < new TimeSpan(0, 0, 0, 20, 0)) {
secondsSkip = 2.0;
}
else if (timeLength < new TimeSpan(0, 0, 0, 50, 0)) {
secondsSkip = 5.0;
}
else if (timeLength < new TimeSpan(0, 0, 2, 30, 0)) {
secondsSkip = 15.0;
}
else {
secondsSkip = 30.0;
}
int second = worldMinDate.Second;
second -= second % (int)secondsSkip;
DateTime currentTickDate = new DateTime (
worldMinDate.Year,
worldMinDate.Month,
worldMinDate.Day,
worldMinDate.Hour,
worldMinDate.Minute,
second,0 );
while (currentTickDate < worldMaxDate) {
double world = (double)currentTickDate.Ticks;
if (world >= WorldMin && world <= WorldMax) {
largeTickPositions.Add( world );
}
currentTickDate = currentTickDate.AddSeconds( secondsSkip );
}
}
// Less than 2 hours, then large ticks on minute spacings.
else if (timeLength < new TimeSpan(0,2,0,0,0)) {
LargeTickLabelType_ = LargeTickLabelType.hourMinute;
double minuteSkip;
if (timeLength < new TimeSpan(0, 0, 10, 0, 0)) {
minuteSkip = 1.0;
}
else if (timeLength < new TimeSpan(0, 0, 20, 0, 0)) {
minuteSkip = 2.0;
}
else if (timeLength < new TimeSpan(0, 0, 50, 0, 0)) {
minuteSkip = 5.0;
}
else if (timeLength < new TimeSpan(0, 2, 30, 0, 0)) {
minuteSkip = 15.0;
}
else { //( timeLength < new TimeSpan( 0,5,0,0,0) )
minuteSkip = 30.0;
}
int minute = worldMinDate.Minute;
minute -= minute % (int)minuteSkip;
DateTime currentTickDate = new DateTime(
worldMinDate.Year,
worldMinDate.Month,
worldMinDate.Day,
worldMinDate.Hour,
minute,0,0 );
while (currentTickDate < worldMaxDate) {
double world = (double)currentTickDate.Ticks;
if (world >= WorldMin && world <= WorldMax) {
largeTickPositions.Add (world);
}
currentTickDate = currentTickDate.AddMinutes (minuteSkip);
}
}
// Less than 2 days, then large ticks on hour spacings.
else if (timeLength < new TimeSpan(2,0,0,0,0)) {
LargeTickLabelType_ = LargeTickLabelType.hourMinute;
double hourSkip;
if (timeLength < new TimeSpan(0, 10, 0, 0, 0)) {
hourSkip = 1.0;
}
else if (timeLength < new TimeSpan(0, 20, 0, 0, 0)) {
hourSkip = 2.0;
}
else {
hourSkip = 6.0;
}
int hour = worldMinDate.Hour;
hour -= hour % (int)hourSkip;
DateTime currentTickDate = new DateTime (
worldMinDate.Year,
worldMinDate.Month,
worldMinDate.Day,
hour,0,0,0 );
while (currentTickDate < worldMaxDate) {
double world = (double)currentTickDate.Ticks;
if (world >= WorldMin && world <= WorldMax) {
largeTickPositions.Add( world );
}
currentTickDate = currentTickDate.AddHours( hourSkip );
}
}
// less than 5 months, then large ticks on day spacings.
else if (timeLength < new TimeSpan(daysInMonth*4,0,0,0,0)) {
LargeTickLabelType_ = LargeTickLabelType.day;
double daySkip;
if (timeLength < new TimeSpan(10, 0, 0, 0, 0)) {
daySkip = 1.0;
}
else if (timeLength < new TimeSpan(20, 0, 0, 0, 0)) {
daySkip = 2.0;
}
else if (timeLength < new TimeSpan(7 * 10, 0, 0, 0, 0)) {
daySkip = 7.0;
}
else {
daySkip = 14.0;
}
DateTime currentTickDate = new DateTime (worldMinDate.Year, worldMinDate.Month, worldMinDate.Day);
if (daySkip == 2.0) {
TimeSpan timeSinceBeginning = currentTickDate - DateTime.MinValue;
if (timeSinceBeginning.Days % 2 == 1) {
currentTickDate = currentTickDate.AddDays (-1.0);
}
}
if (daySkip == 7 || daySkip == 14.0) {
DayOfWeek dow = currentTickDate.DayOfWeek;
switch (dow)
{
case DayOfWeek.Monday:
break;
case DayOfWeek.Tuesday:
currentTickDate = currentTickDate.AddDays(-1.0);
break;
case DayOfWeek.Wednesday:
currentTickDate = currentTickDate.AddDays(-2.0);
break;
case DayOfWeek.Thursday:
currentTickDate = currentTickDate.AddDays(-3.0);
break;
case DayOfWeek.Friday:
currentTickDate = currentTickDate.AddDays(-4.0);
break;
case DayOfWeek.Saturday:
currentTickDate = currentTickDate.AddDays(-5.0);
break;
case DayOfWeek.Sunday:
currentTickDate = currentTickDate.AddDays(-6.0);
break;
default:
break;
}
}
if (daySkip == 14.0) {
TimeSpan timeSinceBeginning = currentTickDate - DateTime.MinValue;
if ((timeSinceBeginning.Days / 7) % 2 == 1) {
currentTickDate = currentTickDate.AddDays (-7.0);
}
}
while (currentTickDate < worldMaxDate) {
double world = (double)currentTickDate.Ticks;
if (world >= WorldMin && world <= WorldMax) {
largeTickPositions.Add( world );
}
currentTickDate = currentTickDate.AddDays(daySkip);
}
}
// else ticks on month or year spacings.
else if (timeLength >= new TimeSpan(daysInMonth*4,0,0,0,0)) {
int monthSpacing = 0;
if (timeLength.Days < daysInMonth*(12*3+6)) {
LargeTickLabelType_ = LargeTickLabelType.month;
if (timeLength.Days < daysInMonth * 10) {
monthSpacing = 1;
}
else if (timeLength.Days < daysInMonth * (12 * 2)) {
monthSpacing = 3;
}
else {// if ( timeLength.Days < daysInMonth*(12*3+6) )
monthSpacing = 6;
}
}
else {
LargeTickLabelType_ = LargeTickLabelType.year;
if (timeLength.Days < daysInMonth * (12 * 6)) {
monthSpacing = 12;
}
else if (timeLength.Days < daysInMonth * (12 * 12)) {
monthSpacing = 24;
}
else if (timeLength.Days < daysInMonth * (12 * 30)) {
monthSpacing = 60;
}
else {
monthSpacing = 120;
}
//LargeTickLabelType_ = LargeTickLabelType.none;
}
// truncate start
DateTime currentTickDate = new DateTime (worldMinDate.Year, worldMinDate.Month, 1);
if (monthSpacing > 1) {
currentTickDate = currentTickDate.AddMonths (
-(currentTickDate.Month-1)%monthSpacing);
}
// Align on 2 or 5 year boundaries if necessary.
if (monthSpacing >= 24) {
currentTickDate = currentTickDate.AddYears (
-(currentTickDate.Year)%(monthSpacing/12) );
}
//this.firstLargeTick_ = (double)currentTickDate.Ticks;
if (LargeTickLabelType_ != LargeTickLabelType.none) {
while (currentTickDate < worldMaxDate) {
double world = (double)currentTickDate.Ticks;
if (world >= WorldMin && world <= WorldMax) {
largeTickPositions.Add( world );
}
currentTickDate = currentTickDate.AddMonths (monthSpacing);
}
}
}
}
else {
for (DateTime date = worldMinDate; date < worldMaxDate; date += largeTickStep_) {
largeTickPositions.Add ((double)date.Ticks);
}
}
}
/// <summary>
/// Determines the positions, in world coordinates, of the large ticks. No
/// small tick marks are currently calculated by this method.
///
/// </summary>
/// <param name="physicalMin">The physical position corresponding to the world minimum of the axis.</param>
/// <param name="physicalMax">The physical position corresponding to the world maximum of the axis.</param>
/// <param name="largeTickPositions">ArrayList containing the positions of the large ticks.</param>
/// <param name="smallTickPositions">null</param>
internal override void WorldTickPositions_FirstPass(
Point physicalMin,
Point physicalMax,
out List <double> largeTickPositions,
out List <double> smallTickPositions
)
{
smallTickPositions = null;
largeTickPositions = new List <double>();
const int daysInMonth = 30;
TimeSpan timeLength = new TimeSpan((long)(WorldMax - WorldMin));
DateTime worldMinDate = new DateTime((long)this.WorldMin);
DateTime worldMaxDate = new DateTime((long)this.WorldMax);
if (largeTickStep_ == TimeSpan.Zero)
{
// if less than 10 minutes, then large ticks on second spacings.
if (timeLength < new TimeSpan(0, 0, 2, 0, 0))
{
this.LargeTickLabelType_ = LargeTickLabelType.hourMinuteSeconds;
double secondsSkip;
if (timeLength < new TimeSpan(0, 0, 0, 10, 0))
{
secondsSkip = 1.0;
}
else if (timeLength < new TimeSpan(0, 0, 0, 20, 0))
{
secondsSkip = 2.0;
}
else if (timeLength < new TimeSpan(0, 0, 0, 50, 0))
{
secondsSkip = 5.0;
}
else if (timeLength < new TimeSpan(0, 0, 2, 30, 0))
{
secondsSkip = 15.0;
}
else
{
secondsSkip = 30.0;
}
int second = worldMinDate.Second;
second -= second % (int)secondsSkip;
DateTime currentTickDate = new DateTime(
worldMinDate.Year,
worldMinDate.Month,
worldMinDate.Day,
worldMinDate.Hour,
worldMinDate.Minute,
second, 0);
while (currentTickDate < worldMaxDate)
{
double world = (double)currentTickDate.Ticks;
if (world >= this.WorldMin && world <= this.WorldMax)
{
largeTickPositions.Add(world);
}
currentTickDate = currentTickDate.AddSeconds(secondsSkip);
}
}
// Less than 2 hours, then large ticks on minute spacings.
else if (timeLength < new TimeSpan(0, 2, 0, 0, 0))
{
this.LargeTickLabelType_ = LargeTickLabelType.hourMinute;
double minuteSkip;
if (timeLength < new TimeSpan(0, 0, 10, 0, 0))
{
minuteSkip = 1.0;
}
else if (timeLength < new TimeSpan(0, 0, 20, 0, 0))
{
minuteSkip = 2.0;
}
else if (timeLength < new TimeSpan(0, 0, 50, 0, 0))
{
minuteSkip = 5.0;
}
else if (timeLength < new TimeSpan(0, 2, 30, 0, 0))
{
minuteSkip = 15.0;
}
else //( timeLength < new TimeSpan( 0,5,0,0,0) )
{
minuteSkip = 30.0;
}
int minute = worldMinDate.Minute;
minute -= minute % (int)minuteSkip;
DateTime currentTickDate = new DateTime(
worldMinDate.Year,
worldMinDate.Month,
worldMinDate.Day,
worldMinDate.Hour,
minute, 0, 0);
while (currentTickDate < worldMaxDate)
{
double world = (double)currentTickDate.Ticks;
if (world >= this.WorldMin && world <= this.WorldMax)
{
largeTickPositions.Add(world);
}
currentTickDate = currentTickDate.AddMinutes(minuteSkip);
}
}
// Less than 2 days, then large ticks on hour spacings.
else if (timeLength < new TimeSpan(2, 0, 0, 0, 0))
{
this.LargeTickLabelType_ = LargeTickLabelType.hourMinute;
double hourSkip;
if (timeLength < new TimeSpan(0, 10, 0, 0, 0))
{
hourSkip = 1.0;
}
else if (timeLength < new TimeSpan(0, 20, 0, 0, 0))
{
hourSkip = 2.0;
}
else
{
hourSkip = 6.0;
}
int hour = worldMinDate.Hour;
hour -= hour % (int)hourSkip;
DateTime currentTickDate = new DateTime(
worldMinDate.Year,
worldMinDate.Month,
worldMinDate.Day,
hour, 0, 0, 0);
while (currentTickDate < worldMaxDate)
{
double world = (double)currentTickDate.Ticks;
if (world >= this.WorldMin && world <= this.WorldMax)
{
largeTickPositions.Add(world);
}
currentTickDate = currentTickDate.AddHours(hourSkip);
}
}
// less than 5 months, then large ticks on day spacings.
else if (timeLength < new TimeSpan(daysInMonth * 4, 0, 0, 0, 0))
{
this.LargeTickLabelType_ = LargeTickLabelType.day;
double daySkip;
if (timeLength < new TimeSpan(10, 0, 0, 0, 0))
{
daySkip = 1.0;
}
else if (timeLength < new TimeSpan(20, 0, 0, 0, 0))
{
daySkip = 2.0;
}
else if (timeLength < new TimeSpan(7 * 10, 0, 0, 0, 0))
{
daySkip = 7.0;
}
else
{
daySkip = 14.0;
}
DateTime currentTickDate = new DateTime(
worldMinDate.Year,
worldMinDate.Month,
worldMinDate.Day);
if (daySkip == 2.0)
{
TimeSpan timeSinceBeginning = currentTickDate - DateTime.MinValue;
if (timeSinceBeginning.Days % 2 == 1)
{
currentTickDate = currentTickDate.AddDays(-1.0);
}
}
if (daySkip == 7 || daySkip == 14.0)
{
DayOfWeek dow = currentTickDate.DayOfWeek;
switch (dow)
{
case DayOfWeek.Monday:
break;
case DayOfWeek.Tuesday:
currentTickDate = currentTickDate.AddDays(-1.0);
break;
case DayOfWeek.Wednesday:
currentTickDate = currentTickDate.AddDays(-2.0);
break;
case DayOfWeek.Thursday:
currentTickDate = currentTickDate.AddDays(-3.0);
break;
case DayOfWeek.Friday:
currentTickDate = currentTickDate.AddDays(-4.0);
break;
case DayOfWeek.Saturday:
currentTickDate = currentTickDate.AddDays(-5.0);
break;
case DayOfWeek.Sunday:
currentTickDate = currentTickDate.AddDays(-6.0);
break;
}
}
if (daySkip == 14.0f)
{
TimeSpan timeSinceBeginning = currentTickDate - DateTime.MinValue;
if ((timeSinceBeginning.Days / 7) % 2 == 1)
{
currentTickDate = currentTickDate.AddDays(-7.0);
}
}
while (currentTickDate < worldMaxDate)
{
double world = (double)currentTickDate.Ticks;
if (world >= this.WorldMin && world <= this.WorldMax)
{
largeTickPositions.Add(world);
}
currentTickDate = currentTickDate.AddDays(daySkip);
}
}
// else ticks on month or year spacings.
else if (timeLength >= new TimeSpan(daysInMonth * 4, 0, 0, 0, 0))
{
int monthSpacing = 0;
if (timeLength.Days < daysInMonth * (12 * 3 + 6))
{
LargeTickLabelType_ = LargeTickLabelType.month;
if (timeLength.Days < daysInMonth * 10)
{
monthSpacing = 1;
}
else if (timeLength.Days < daysInMonth * (12 * 2))
{
monthSpacing = 3;
}
else // if ( timeLength.Days < daysInMonth*(12*3+6) )
{
monthSpacing = 6;
}
}
else
{
LargeTickLabelType_ = LargeTickLabelType.year;
if (timeLength.Days < daysInMonth * (12 * 6))
{
monthSpacing = 12;
}
else if (timeLength.Days < daysInMonth * (12 * 12))
{
monthSpacing = 24;
}
else if (timeLength.Days < daysInMonth * (12 * 30))
{
monthSpacing = 60;
}
else
{
monthSpacing = 120;
}
//LargeTickLabelType_ = LargeTickLabelType.none;
}
// truncate start
DateTime currentTickDate = new DateTime(
worldMinDate.Year,
worldMinDate.Month,
1);
if (monthSpacing > 1)
{
currentTickDate = currentTickDate.AddMonths(
-(currentTickDate.Month - 1) % monthSpacing);
}
// Align on 2 or 5 year boundaries if necessary.
if (monthSpacing >= 24)
{
currentTickDate = currentTickDate.AddYears(
-(currentTickDate.Year) % (monthSpacing / 12));
}
//this.firstLargeTick_ = (double)currentTickDate.Ticks;
if (LargeTickLabelType_ != LargeTickLabelType.none)
{
while (currentTickDate < worldMaxDate)
{
double world = (double)currentTickDate.Ticks;
if (world >= this.WorldMin && world <= this.WorldMax)
{
largeTickPositions.Add(world);
}
currentTickDate = currentTickDate.AddMonths(monthSpacing);
}
}
}
}
else
{
for (DateTime date = worldMinDate; date < worldMaxDate; date += largeTickStep_)
{
largeTickPositions.Add((double)date.Ticks);
}
}
}
