/
OpticsDraw.java
534 lines (488 loc) · 27.8 KB
/
OpticsDraw.java
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package physics;
import javax.swing.*;
import java.awt.*;
import java.text.*;
class OpticsDraw extends JPanel
{
int type = 0;
int focalLength = 10;
double height_image, height_object, distance_image, magnification;
int arrow_x = 150, arrow_y2 = 160, radiusOfCurvature;
double dy_1, dx_1, slope_1, y_intercept_1, dy_2, dx_2, slope_2, y_intercept_2;
int x_screenIntersection_1, y_screenIntersection_1, x_screenIntersection_2, y_screenIntersection_2, x_pointOfIntersection, y_pointOfIntersection;
double arrowCoordinate_x, arrowCoordinate_y;
boolean lenses = true;
int x_arcIntersection_1, x_arcIntersection_2, y_arcIntersection_2;
float quadratic_a, quadratic_b, quadratic_c, discriminant;
int startingPosition = 350;
private Double roundTwoDecimals (double d)
{
DecimalFormat twoDForm = new DecimalFormat ("#.##");
return Double.valueOf (twoDForm.format (d));
}
public void paintComponent (Graphics g)
{
super.paintComponent (g);
g.setColor (Color.WHITE);
//Draws a white arrow and the principal axis
g.drawLine (0, 200, 700, 200);
g.drawLine (arrow_x, 200, arrow_x, arrow_y2);
//Show coordinates of arrow tip
arrowCoordinate_x = arrow_x - startingPosition;
arrowCoordinate_x /= 10;
arrowCoordinate_y = 200 - arrow_y2;
arrowCoordinate_y /= 10;
//Coordinates
Optics.lbl_arrowCoordinates.setText ("<html>(d<sub>o</sub>, h<sub>o</sub>) = (" + arrowCoordinate_x + ", " + arrowCoordinate_y + ")</html>");
if (arrow_y2 < 200) //if arrow is above principal axis
{
g.drawLine (arrow_x, arrow_y2, arrow_x - 7, arrow_y2 + 7);
g.drawLine (arrow_x, arrow_y2, arrow_x + 7, arrow_y2 + 7);
}
else if (arrow_y2 > 200) //if arrow is below principal axis
{
g.drawLine (arrow_x, arrow_y2, arrow_x - 7, arrow_y2 - 7);
g.drawLine (arrow_x, arrow_y2, arrow_x + 7, arrow_y2 - 7);
}
//Draws lines for the grid
if (lenses)
startingPosition = 350;
else
{
radiusOfCurvature = 20 * focalLength;
if (type == 0)
startingPosition = 500;
else
startingPosition = 350;
}
{
for (int i = startingPosition ; i <= 700 ; i += 10)
{
if ((i - startingPosition) % (10 * focalLength) == 0)
{
g.setColor (Color.ORANGE);
g.drawLine (i, 195, i, 205);
}
else
{
g.setColor (Color.WHITE);
g.drawLine (i, 197, i, 203);
}
}
for (int i = startingPosition ; i >= 0 ; i -= 10)
{
if ((i - startingPosition) % (10 * focalLength) == 0 && i != 0)
{
g.setColor (Color.ORANGE);
g.drawLine (i, 195, i, 205);
}
else
{
g.setColor (Color.WHITE);
g.drawLine (i, 197, i, 203);
}
}
}
g.setColor (Color.WHITE);
if (lenses)
{
if (type == 0) //If Converging
{
// Draws a converging lens
g.drawArc (340, 50, 40, 300, 120, 120);
g.drawArc (320, 50, 40, 300, 60, -120);
//draws horizontal line from the tip of the arrow to the lens (line 1/3)
g.setColor (Color.RED);
g.drawLine (arrow_x, arrow_y2, 350, arrow_y2);
// calculates necessary information to form equation of line from lens to focal point (line 2/3)
dy_1 = 200 - arrow_y2;
if (arrow_x > 350)
dx_1 = -10 * focalLength;
else
dx_1 = 10 * focalLength;
slope_1 = dy_1 / dx_1;
if (arrow_x > 350)
y_intercept_1 = 200 - slope_1 * (350 - 10 * focalLength);
else
y_intercept_1 = 200 - slope_1 * (10 * focalLength + 350);
//Calculates coordinates of points on the edge of screen (endpoints)
if (arrow_x <= 350)
y_screenIntersection_1 = (int) (Math.round (slope_1 * 700 + y_intercept_1));
else
y_screenIntersection_1 = (int) (Math.round (y_intercept_1));
if (slope_1 != 0)
if (arrow_y2 <= 200)
x_screenIntersection_1 = (int) (Math.round ((400 - y_intercept_1) / slope_1));
else
x_screenIntersection_1 = (int) (Math.round (-y_intercept_1 / slope_1));
if (x_screenIntersection_1 >= 0 && x_screenIntersection_1 <= 700) //If endpoint is on the x-edge
if (arrow_y2 <= 200)
g.drawLine (350, arrow_y2, x_screenIntersection_1, 400);
else
g.drawLine (350, arrow_y2, x_screenIntersection_1, 0);
else
if (arrow_x > 350)
g.drawLine (350, arrow_y2, 0, y_screenIntersection_1);
else
g.drawLine (350, arrow_y2, 700, y_screenIntersection_1); //Else: endpoint is on the y-edge
}
else //Else: Diverging
{
//Draws a diverging lens
g.drawArc (360, 50, 40, 300, 120, 120);
g.drawArc (300, 50, 40, 300, 60, -120);
g.drawLine (330, 68, 370, 68);
g.drawLine (330, 330, 370, 330);
//draws horizontal line from the tip of the arrow to the lens (line 1/3)
g.setColor (Color.RED);
g.drawLine (arrow_x, arrow_y2, 350, arrow_y2);
// calculates necessary information to form equation of line from lens to focal point (line 2/3)
dy_1 = arrow_y2 - 200;
if (arrow_x > 350)
dx_1 = -10 * focalLength;
else
dx_1 = 10 * focalLength;
slope_1 = dy_1 / dx_1;
if (arrow_x > 350)
y_intercept_1 = 200 - slope_1 * (10 * focalLength + 350);
else
y_intercept_1 = 200 - slope_1 * (350 - 10 * focalLength);
//Calculates coordinates of points on the edge of screen (endpoints)
if (arrow_x <= 350)
y_screenIntersection_1 = (int) (Math.round (slope_1 * 700 + y_intercept_1));
else
y_screenIntersection_1 = (int) (Math.round (y_intercept_1));
if (slope_1 != 0)
if (arrow_y2 <= 200)
x_screenIntersection_1 = (int) (Math.round (-y_intercept_1 / slope_1));
else
x_screenIntersection_1 = (int) (Math.round ((400 - y_intercept_1) / slope_1));
if (x_screenIntersection_1 >= 0 && x_screenIntersection_1 <= 700) //If endpoint is on the x-edge
if (arrow_y2 <= 200)
g.drawLine (350, arrow_y2, x_screenIntersection_1, 0);
else
g.drawLine (350, arrow_y2, x_screenIntersection_1, 400);
else //Else: endpoint is on the y-edge
if (arrow_x > 350)
g.drawLine (350, arrow_y2, 0, y_screenIntersection_1);
else
g.drawLine (350, arrow_y2, 700, y_screenIntersection_1);
}
//Line 3/3
dy_2 = 200 - arrow_y2;
dx_2 = 350 - arrow_x;
slope_2 = dy_2 / dx_2;
y_intercept_2 = 200 - slope_2 * 350;
if (arrow_x <= 350)
y_screenIntersection_2 = (int) (Math.round (slope_2 * 700 + y_intercept_2));
else
y_screenIntersection_2 = (int) (Math.round (y_intercept_2));
if (slope_2 != 0)
if (arrow_y2 <= 200)
x_screenIntersection_2 = (int) (Math.round ((400 - y_intercept_2) / slope_2));
else
x_screenIntersection_2 = (int) (Math.round (-y_intercept_2 / slope_2));
if (x_screenIntersection_2 >= 0 && x_screenIntersection_2 <= 700) //If endpoint is on the x-edge
if (arrow_y2 <= 200)
g.drawLine (arrow_x, arrow_y2, x_screenIntersection_2, 400);
else
g.drawLine (arrow_x, arrow_y2, x_screenIntersection_2, 0);
else
if (arrow_x <= 350)
g.drawLine (arrow_x, arrow_y2, 700, y_screenIntersection_2); //Else: endpoint is on the y-edge
else
g.drawLine (arrow_x, arrow_y2, 0, y_screenIntersection_2);
//POI between Line 2 & Line 3
x_pointOfIntersection = (int) ((y_intercept_2 - y_intercept_1) / (slope_1 - slope_2));
y_pointOfIntersection = (int) (slope_1 * x_pointOfIntersection + y_intercept_1);
//Draw image
g.setColor (Color.ORANGE);
g.drawLine (x_pointOfIntersection, 200, x_pointOfIntersection, y_pointOfIntersection);
if (y_pointOfIntersection < 200)
{
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection - 7, y_pointOfIntersection + 7);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection + 7, y_pointOfIntersection + 7);
}
else
{
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection - 7, y_pointOfIntersection - 7);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection + 7, y_pointOfIntersection - 7);
}
//Same side image line continuation
if (((x_pointOfIntersection > 350 && arrow_x > 350) || (x_pointOfIntersection < 350 && arrow_x < 350)) && (arrow_x != 350 - 10 * focalLength && arrow_x != 350 + 10 * focalLength || type == 1))
{
g.setColor (Color.YELLOW);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, 350, arrow_y2);
if (type == 0)
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, arrow_x, arrow_y2);
}
//Mag calculations
height_image = 200 - y_pointOfIntersection;
height_object = 200 - arrow_y2;
if (height_object != 0)
magnification = height_image / height_object;
if (magnification <= 9999 && magnification >= -9999)
Optics.txt_magnification.setText ("" + roundTwoDecimals (magnification));
else if (magnification > 9999)
{
magnification = Double.POSITIVE_INFINITY;
Optics.txt_magnification.setText ("N/A");
}
else
{
magnification = Double.NEGATIVE_INFINITY;
Optics.txt_magnification.setText ("N/A");
}
//Characteristics
g.setColor (Color.ORANGE);
g.drawString ("Image Characteristics:", 20, 300);
if (type == 0)
{
if ((Math.abs (magnification) > 1 && Math.abs (magnification) < 9999))
g.drawString ("Magnification: Enlarged", 20, 320);
else if (arrow_x == 350 - 20 * focalLength || arrow_x == 350 + 20 * focalLength || (int) (Math.abs (magnification)) == 1)
g.drawString ("Magnification: None", 20, 320);
else if (Math.abs (magnification) < 1 && Math.abs (magnification) > 0)
g.drawString ("Magnification: Diminished", 20, 320);
else
g.drawString ("Magnification: N/A", 20, 320);
if (arrow_x == 350 - 10 * focalLength || arrow_x == 350 + 10 * focalLength)
g.drawString ("Orientation: N/A", 20, 335);
else if ((arrow_y2 < 200 && y_pointOfIntersection < 200) || (arrow_y2 > 200 && y_pointOfIntersection > 200))
g.drawString ("Orientation: Upright", 20, 335);
else
g.drawString ("Orientation: Inverted", 20, 335);
if (arrow_x == 350 - 10 * focalLength || arrow_x == 350 + 10 * focalLength)
g.drawString ("Type: N/A", 20, 350);
else if ((x_pointOfIntersection < 350 && arrow_x < 350) || (x_pointOfIntersection > 350 && arrow_x > 350))
g.drawString ("Type: Virtual", 20, 350);
else
g.drawString ("Type: Real", 20, 350);
}
else
{
g.drawString ("Magnification: Diminished", 20, 320);
g.drawString ("Orientation: Upright", 20, 335);
g.drawString ("Type: Virtual", 20, 350);
}
height_image /= 10;
if (height_image > 9999 || height_image < -9999)
Optics.lbl_heightImage.setText ("<html>h<sub>i</sub>= N/A</html>");
else
Optics.lbl_heightImage.setText ("<html>h<sub>i</sub>= " + height_image + "</html>");
distance_image = x_pointOfIntersection - 350;
distance_image /= 10;
if (distance_image > 9999 || distance_image < -9999)
Optics.lbl_distanceImage.setText ("<html>d<sub>i</sub>= N/A</html>");
else
Optics.lbl_distanceImage.setText ("<html>d<sub>i</sub>= " + distance_image + "</html>");
}
else //Else: mirrors
{
if (type == 0) //If converging
{
//draws converging mirror
g.drawArc (500 - 2 * radiusOfCurvature, 200 - radiusOfCurvature, 2 * radiusOfCurvature, 2 * radiusOfCurvature, 60, -120);
//draws horizontal line from the tip of the arrow to the lens (line 1/4)
g.setColor (Color.RED);
x_arcIntersection_1 = (int) ((Math.sqrt (Math.abs (Math.pow (radiusOfCurvature, 2) - Math.pow (arrow_y2 - 200, 2)))) + (500 - radiusOfCurvature));
g.drawLine (arrow_x, arrow_y2, x_arcIntersection_1, arrow_y2);
//line 2/4
dy_1 = arrow_y2 - 200;
dx_1 = x_arcIntersection_1 - (500 - focalLength * 10);
slope_1 = dy_1 / dx_1;
y_intercept_1 = 200 - slope_1 * (500 - focalLength * 10);
//Calculates coordinates of points on the edge of screen (endpoints)
y_screenIntersection_1 = (int) (Math.round (y_intercept_1));
if (slope_1 != 0)
if (arrow_y2 <= 200)
x_screenIntersection_1 = (int) (Math.round ((400 - y_intercept_1) / slope_1));
else
x_screenIntersection_1 = (int) (Math.round (-y_intercept_1 / slope_1));
if (x_screenIntersection_1 >= 0 && x_screenIntersection_1 <= 700) //If endpoint is on the x-edge
if (arrow_y2 <= 200)
g.drawLine (x_arcIntersection_1, arrow_y2, x_screenIntersection_1, 400);
else
g.drawLine (x_arcIntersection_1, arrow_y2, x_screenIntersection_1, 0);
else
g.drawLine (x_arcIntersection_1, arrow_y2, 0, y_screenIntersection_1); //Else: endpoint is on the y-edge
//line 3/4
if (!(arrow_x > 495 - focalLength * 10 && arrow_x < 505 - focalLength * 10))
{
dy_2 = 200 - arrow_y2;
dx_2 = (500 - 10 * focalLength) - arrow_x;
slope_2 = dy_2 / dx_2;
y_intercept_2 = arrow_y2 - slope_2 * arrow_x;
quadratic_a = (float) (Math.pow (slope_2, 2) + 1);
quadratic_b = (float) (((2 * slope_2 * y_intercept_2) - (400 * slope_2) + ((radiusOfCurvature - 500) * 2)));
quadratic_c = (float) ((Math.pow (y_intercept_2, 2) - Math.pow (radiusOfCurvature, 2) - (400 * y_intercept_2) + 40000 + Math.pow ((radiusOfCurvature - 500), 2)));
discriminant = (float) (Math.pow (quadratic_b, 2) - (4 * quadratic_a * quadratic_c));
if (discriminant >= 0)
x_arcIntersection_2 = (int) (Math.max (((-quadratic_b + Math.sqrt (discriminant)) / (2 * quadratic_a)), ((-quadratic_b - Math.sqrt (discriminant)) / (2 * quadratic_a))));
else
System.out.println ("Error, imaginary root!");
y_arcIntersection_2 = (int) (slope_2 * x_arcIntersection_2 + y_intercept_2);
g.drawLine (arrow_x, arrow_y2, x_arcIntersection_2, y_arcIntersection_2);
//System.out.println ("slope: " + slope_2 + "\n yintercept: " + y_intercept_2 + "\n quadratic-a: " + quadratic_a + "\n quadratic-b: " + quadratic_b + "\n quadratic_c: " + quadratic_c + "\n discriminant: " + discriminant + "\n xarcintersection2: " + x_arcIntersection_2 + "\n yarcintersection2: " + y_arcIntersection_2);
//line 4/4
g.drawLine (x_arcIntersection_2, y_arcIntersection_2, 0, y_arcIntersection_2);
//POI between line 2 and line 4
x_pointOfIntersection = (int) ((y_arcIntersection_2 - y_intercept_1) / slope_1);
y_pointOfIntersection = y_arcIntersection_2;
g.setColor (Color.ORANGE);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection, 200);
if (y_pointOfIntersection < 200)
{
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection - 7, y_pointOfIntersection + 7);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection + 7, y_pointOfIntersection + 7);
}
else
{
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection - 7, y_pointOfIntersection - 7);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection + 7, y_pointOfIntersection - 7);
}
//Same side image line continuation
if (arrow_x > 500 - 10 * focalLength)
{
g.setColor (Color.YELLOW);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_arcIntersection_1, arrow_y2);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_arcIntersection_2, y_arcIntersection_2);
}
}
}
else //Diverging
{
//draws converging mirror
g.drawArc (350, 200 - radiusOfCurvature, 2 * radiusOfCurvature, 2 * radiusOfCurvature, 120, 120);
//draws horizontal line from the tip of the arrow to the lens (line 1/4)
g.setColor (Color.RED);
x_arcIntersection_1 = (int) (-(Math.sqrt (Math.pow (radiusOfCurvature, 2) - Math.pow (arrow_y2 - 200, 2))) + (350 + radiusOfCurvature));
g.drawLine (arrow_x, arrow_y2, x_arcIntersection_1, arrow_y2);
//line 2/4
dy_1 = arrow_y2 - 200;
dx_1 = x_arcIntersection_1 - (350 + focalLength * 10);
slope_1 = dy_1 / dx_1;
y_intercept_1 = 200 - slope_1 * (350 + focalLength * 10);
//Calculates coordinates of points on the edge of screen (endpoints)
y_screenIntersection_1 = (int) (Math.round (y_intercept_1));
if (slope_1 != 0)
if (arrow_y2 <= 200)
x_screenIntersection_1 = (int) (Math.round (-y_intercept_1 / slope_1));
else if (arrow_y2 > 200)
x_screenIntersection_1 = (int) (Math.round (400 - y_intercept_1 / slope_1));
if (x_screenIntersection_1 >= 0 && x_screenIntersection_1 <= 700) //If endpoint is on the x-edge
if (arrow_y2 <= 200)
g.drawLine (x_arcIntersection_1, arrow_y2, x_screenIntersection_1, 0);
else
g.drawLine (x_arcIntersection_1, arrow_y2, x_screenIntersection_1, 400);
else
g.drawLine (x_arcIntersection_1, arrow_y2, 0, y_screenIntersection_1); //Else: endpoint is on the y-edge
//line 3/4
dy_2 = 200 - arrow_y2;
dx_2 = (350 + 10 * focalLength) - arrow_x;
slope_2 = dy_2 / dx_2;
y_intercept_2 = arrow_y2 - slope_2 * arrow_x;
quadratic_a = (float) (Math.pow (slope_2, 2) + 1);
quadratic_b = (float) ((2 * slope_2 * y_intercept_2) - (400 * slope_2) - (2 * radiusOfCurvature + 700));
quadratic_c = (float) ((Math.pow (y_intercept_2, 2) - Math.pow (radiusOfCurvature, 2) - (400 * y_intercept_2) + 40000 + Math.pow ((radiusOfCurvature + 350), 2)));
discriminant = (float) (Math.pow (quadratic_b, 2) - (4 * quadratic_a * quadratic_c));
if (discriminant >= 0)
x_arcIntersection_2 = (int) (Math.min (((-quadratic_b + Math.sqrt (discriminant)) / (2 * quadratic_a)), ((-quadratic_b - Math.sqrt (discriminant)) / (2 * quadratic_a))));
else
System.out.println ("Error, imaginary root!");
y_arcIntersection_2 = (int) (slope_2 * x_arcIntersection_2 + y_intercept_2);
g.drawLine (arrow_x, arrow_y2, x_arcIntersection_2, y_arcIntersection_2);
//System.out.println ("slope: " + slope_2 + "\n yintercept: " + y_intercept_2 + "\n quadratic-a: " + quadratic_a + "\n quadratic-b: " + quadratic_b + "\n quadratic_c: " + quadratic_c + "\n discriminant: " + discriminant + "\n xarcintersection2: " + x_arcIntersection_2 + "\n yarcintersection2: " + y_arcIntersection_2);
//line 4/4
g.drawLine (x_arcIntersection_2, y_arcIntersection_2, 0, y_arcIntersection_2);
//POI between line 2 and line 4
x_pointOfIntersection = (int) ((y_arcIntersection_2 - y_intercept_1) / slope_1);
y_pointOfIntersection = y_arcIntersection_2;
g.setColor (Color.ORANGE);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection, 200);
if (y_pointOfIntersection < 200)
{
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection - 7, y_pointOfIntersection + 7);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection + 7, y_pointOfIntersection + 7);
}
else
{
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection - 7, y_pointOfIntersection - 7);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_pointOfIntersection + 7, y_pointOfIntersection - 7);
}
//Same side image line continuation
g.setColor (Color.YELLOW);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_arcIntersection_1, arrow_y2);
g.drawLine (x_pointOfIntersection, y_pointOfIntersection, x_arcIntersection_2, y_arcIntersection_2);
}
//Mag calculations
height_image = 200 - y_pointOfIntersection;
height_object = 200 - arrow_y2;
if (height_object != 0)
magnification = height_image / height_object;
if (magnification <= 9999 && magnification >= -9999)
Optics.txt_magnification.setText ("" + roundTwoDecimals (magnification));
else if (magnification > 9999)
{
magnification = Double.POSITIVE_INFINITY;
Optics.txt_magnification.setText ("N/A");
}
else
{
magnification = Double.NEGATIVE_INFINITY;
Optics.txt_magnification.setText ("N/A");
}
//Characteristics
g.setColor (Color.ORANGE);
g.drawString ("Image Characteristics:", 20, 300);
if (type == 0)
{
if ((Math.abs (magnification) > 1 && Math.abs (magnification) < 9999) && arrow_x != 500 - 10 * focalLength)
g.drawString ("Magnification: Enlarged", 20, 320);
else if ((int) (Math.abs (magnification)) == 1)
g.drawString ("Magnification: None", 20, 320);
else if (Math.abs (magnification) < 1 && Math.abs (magnification) > 0)
g.drawString ("Magnification: Diminished", 20, 320);
else
{
g.drawString ("Magnification: N/A", 20, 320);
Optics.txt_magnification.setText ("N/A");
Optics.lbl_distanceImage.setText ("<html>d<sub>i</sub>= N/A</html>");
Optics.lbl_heightImage.setText ("<html>h<sub>i</sub>= N/A</html>");
}
if (arrow_x == 500 - 10 * focalLength)
g.drawString ("Orientation: N/A", 20, 335);
else if ((arrow_y2 < 200 && y_pointOfIntersection < 200) || (arrow_y2 > 200 && y_pointOfIntersection > 200))
g.drawString ("Orientation: Upright", 20, 335);
else
g.drawString ("Orientation: Inverted", 20, 335);
if (arrow_x == 500 - 10 * focalLength)
g.drawString ("Type: N/A", 20, 350);
else if (x_pointOfIntersection < 500 && arrow_x < 500)
g.drawString ("Type: Real", 20, 350);
else if (x_pointOfIntersection > 500 && arrow_x < 500)
g.drawString ("Type: Virtual", 20, 350);
}
else
{
g.drawString ("Magnification: Diminished", 20, 320);
g.drawString ("Orientation: Upright", 20, 335);
g.drawString ("Type: Virtual", 20, 350);
}
height_image /= 10;
if (height_image > 9999 || height_image < -9999 || arrow_x == 500 - 10 * focalLength)
Optics.lbl_heightImage.setText ("<html>h<sub>i</sub>= N/A</html>");
else
Optics.lbl_heightImage.setText ("<html>h<sub>i</sub>= " + height_image + "</html>");
if (type == 0)
distance_image = x_pointOfIntersection - 500;
else
distance_image = x_pointOfIntersection - 350;
distance_image /= 10;
if (distance_image > 9999 || distance_image < -9999 || arrow_x == 500 - 10 * focalLength)
Optics.lbl_distanceImage.setText ("<html>d<sub>i</sub>= N/A</html>");
else
Optics.lbl_distanceImage.setText ("<html>d<sub>i</sub>= " + distance_image + "</html>");
}
}
}