/// <summary>
/// Initializes a new instance of the <see cref="ShadedRelief"/> class based on some more common
/// elevation to geographic coordinate system scenarios.
/// </summary>
/// <param name="scenario">Scenario to use.</param>
public ShadedRelief(ElevationScenario scenario)
{
// These scenarios just give a quick approximate calc for the elevation factor
switch (scenario)
{
case ElevationScenario.ElevationCentimetersProjectionDegrees:
_elevationFactor = 1F / (160934.4F * 69F);
break;
case ElevationScenario.ElevationCentimetersProjectionFeet:
_elevationFactor = 0.0328084F;
break;
case ElevationScenario.ElevationCentimetersProjectionMeters:
_elevationFactor = 1F / 100F;
break;
case ElevationScenario.ElevationFeetProjectionDegrees:
_elevationFactor = 1F / (5280F * 69F);
break;
case ElevationScenario.ElevationFeetProjectionFeet:
_elevationFactor = 1F;
break;
case ElevationScenario.ElevationFeetProjectionMeters:
_elevationFactor = 1F / 3.28F;
break;
case ElevationScenario.ElevationMetersProjectionDegrees:
_elevationFactor = 1F / (1609F * 69F);
break;
case ElevationScenario.ElevationMetersProjectionFeet:
_elevationFactor = 1F * 3.28F;
break;
case ElevationScenario.ElevationMetersProjectionMeters:
_elevationFactor = 1F;
break;
}
// Light direction is SouthEast at about 45 degrees up
_zenithAngle = 45;
_lightDirection = 45;
_lightIntensity = .7F;
_ambientIntensity = .8F;
_extrusion = 5;
// _elevationFactor = 0.0000027F;
_isUsed = false;
_hasChanged = false;
}
/// <summary>
/// Creates a new instance of ShadedRelief based on some more common
/// elevation to goegraphic coordinate sysetem scenarios
/// </summary>
public ShadedRelief(ElevationScenario scenario)
{
// These scenarios just give a quick approximate calc for the elevation factor
switch (scenario)
{
case ElevationScenario.ElevationCentiMeters_ProjectionDegrees:
_elevationFactor = 1F / (160934.4F * 69F);
break;
case ElevationScenario.ElevationCentiMeters_ProjectionFeet:
_elevationFactor = 0.0328084F;
break;
case ElevationScenario.ElevationCentiMeters_ProjectionMeters:
_elevationFactor = 1F / 100F;
break;
case ElevationScenario.ElevationFeet_ProjectionDegrees:
_elevationFactor = 1F / (5280F * 69F);
break;
case ElevationScenario.ElevationFeet_ProjectionFeet:
_elevationFactor = 1F;
break;
case ElevationScenario.ElevationFeet_ProjectionMeters:
_elevationFactor = 1F / 3.28F;
break;
case ElevationScenario.ElevationMeters_ProjectionDegrees:
_elevationFactor = 1F / (1609F * 69F);
break;
case ElevationScenario.ElevationMeters_ProjectionFeet:
_elevationFactor = 1F * 3.28F;
break;
case ElevationScenario.ElevationMeters_ProjectionMeters:
_elevationFactor = 1F;
break;
}
// Light direction is SouthEast at about 45 degrees up
_zenithAngle = 45;
_lightDirection = 45;
_lightIntensity = .7F;
_ambientIntensity = .8F;
_extrusion = 5;
//_elevationFactor = 0.0000027F;
_isUsed = false;
_hasChanged = false;
}
