// for the LiveMap:isRelevant() method
// we need to know how big the earthquake is on the map without
// instantiating the visial object. So, we use static method here.
public static Rectangle boundingRectEstimate(IDrawingSurface map, Earthquake eq, double magnFactor)
{
Point pPoint;
try
{
pPoint = map.toPixelLocation(eq.Location, null);
}
catch (Exception e)
{
return Rectangle.Empty;
}
int w, h;
int minSize = 15;
int maxSize = 300;
int xFactor = 2;
int yFactor = 2;
int yExtra = 0;
double xMetersPerPixel = map.xMetersPerPixel();
w = (int)(eq.Magn * magnFactor / map.xMetersPerPixel());
if(w < minSize) // we don't want the quake to show up too small or too big
{
w = minSize;
}
if(w > maxSize)
{
w = maxSize;
}
h = (int)(eq.Magn * magnFactor / map.yMetersPerPixel());
if(h < minSize)
{
h = minSize;
}
if(h > maxSize)
{
h = maxSize;
}
double cameraElevationKm = map.getCameraElevation() / 1000.0d;
switch (Project.earthquakeStyle)
{
default:
case STYLE_CONCENTRICCIRCLES: // concentric circles
case STYLE_SQUARES:
case STYLE_FILLSQUARES:
case STYLE_CIRCLES:
case STYLE_FILLCIRCLES: // filled circles Alan Jones "Seismic Eruptions" style
{
double magMin;
double magOff;
double magFact;
if(cameraElevationKm > 4000.0d) // world map
{
magMin = 5.0d;
magOff = 4.5d;
magFact = 7.0d;
}
else if(cameraElevationKm > 900.0d)
{ // small scale
magMin = 4.0d;
magOff = 2.5d;
magFact = 6.0d;
}
else if(cameraElevationKm > 370.0d)
{ // medium scale
magMin = 2.0d;
magOff = 0.5d;
magFact = 5.0d;
}
else
{ // very large scale
magMin = 1.0d;
magOff = 0.5d;
magFact = 4.0d;
}
if(eq.Magn <= magMin)
{
w = 3;
h = 3;
}
else
{
w = h = (int)((eq.Magn - magOff) * magFact);
}
}
break;
case STYLE_TRIANGLE:
// triangle pointing down to epicenter; the deeper the quake,
// the more narrow the triangle is:
h = (int)(((double)h) * (1.0d + cameraElevationKm / 10000.0d)); // make them more visible on small scale maps:
w = eq.calcTriWidth(h) * 2; // triWidth is actually half of the upper side of the triangle.
if(w < 50 && Project.displayEqDepth)
{
w = 50;
}
yFactor = 1;
xFactor = 1;
yExtra = 3; // 3 pixels for the epicenter oval
break;
case STYLE_DOT: // dot
w = 3;
h = 3;
break;
}
Rectangle re = new Rectangle(pPoint.X-(w*xFactor/2), pPoint.Y-h, w*xFactor, h*yFactor + yExtra);
return re;
}
// for the LiveMap:isRelevant() method
// we need to know how big the earthquake is on the map without
// instantiating the visial object. So, we use static method here.
public static Rectangle boundingRectEstimate(IDrawingSurface map, Earthquake eq, double magnFactor)
{
Point pPoint;
try
{
pPoint = map.toPixelLocation(eq.Location, null);
}
catch (Exception e)
{
return(Rectangle.Empty);
}
int w, h;
int minSize = 15;
int maxSize = 300;
int xFactor = 2;
int yFactor = 2;
int yExtra = 0;
double xMetersPerPixel = map.xMetersPerPixel();
w = (int)(eq.Magn * magnFactor / map.xMetersPerPixel());
if (w < minSize) // we don't want the quake to show up too small or too big
{
w = minSize;
}
if (w > maxSize)
{
w = maxSize;
}
h = (int)(eq.Magn * magnFactor / map.yMetersPerPixel());
if (h < minSize)
{
h = minSize;
}
if (h > maxSize)
{
h = maxSize;
}
double cameraElevationKm = map.getCameraElevation() / 1000.0d;
switch (Project.earthquakeStyle)
{
default:
case STYLE_CONCENTRICCIRCLES: // concentric circles
case STYLE_SQUARES:
case STYLE_FILLSQUARES:
case STYLE_CIRCLES:
case STYLE_FILLCIRCLES: // filled circles Alan Jones "Seismic Eruptions" style
{
double magMin;
double magOff;
double magFact;
if (cameraElevationKm > 4000.0d) // world map
{
magMin = 5.0d;
magOff = 4.5d;
magFact = 7.0d;
}
else if (cameraElevationKm > 900.0d)
{ // small scale
magMin = 4.0d;
magOff = 2.5d;
magFact = 6.0d;
}
else if (cameraElevationKm > 370.0d)
{ // medium scale
magMin = 2.0d;
magOff = 0.5d;
magFact = 5.0d;
}
else
{ // very large scale
magMin = 1.0d;
magOff = 0.5d;
magFact = 4.0d;
}
if (eq.Magn <= magMin)
{
w = 3;
h = 3;
}
else
{
w = h = (int)((eq.Magn - magOff) * magFact);
}
}
break;
case STYLE_TRIANGLE:
// triangle pointing down to epicenter; the deeper the quake,
// the more narrow the triangle is:
h = (int)(((double)h) * (1.0d + cameraElevationKm / 10000.0d)); // make them more visible on small scale maps:
w = eq.calcTriWidth(h) * 2; // triWidth is actually half of the upper side of the triangle.
if (w < 50 && Project.displayEqDepth)
{
w = 50;
}
yFactor = 1;
xFactor = 1;
yExtra = 3; // 3 pixels for the epicenter oval
break;
case STYLE_DOT: // dot
w = 3;
h = 3;
break;
}
Rectangle re = new Rectangle(pPoint.X - (w * xFactor / 2), pPoint.Y - h, w * xFactor, h * yFactor + yExtra);
return(re);
}
