//Name: Utflow.java
//Version: 1.3
//Created by: Ferdi Hellweger
// Center for Resarch in Water Resources
// The University of Texas at Austin
// ferdi@crwr.utexas.edu
//Created on: 03/21/97
//Description: This applet computes the EGL and HGL for
//a simple linear pipe system.
//
//-------------------------
//-------------------------
//--- import some stuff ---
//-------------------------
//-------------------------
//
import java.awt.*;
import java.awt.image.*;
import java.applet.*;
import java.lang.*;
//
//-------------------------------
//-------------------------------
//--- applet class definition ---
//-------------------------------
//-------------------------------
//
public class Utflow extends Applet {
//
//-------------------------
//--- declare variables ---
//-------------------------
//
Label lh, ld1, ld2, ld3, ld4;
Label lc1, lc2, lc3, lc4;
TextField fc1, fc2, fc3, fc4;
Panel input, head;
double d1, d2, d3, d4;
double cptotal, cmtotal, hptotal, httotal, q, deglmax, deglmin, dhglmax, dhglmin;
Double D1, D2, D3, D4;
String s1, s2, s3, s4;
int llevel, rlevel, fd, eglmax, eglmin, hglmax, hglmin;
double ellevel, erlevel;
int i, j, k, m, n;
int curtype;
App app[], newtoapp, curapp, newapp, thisapp, lastapp;
Pipe pipe[], curpipe, thispipe, lastpipe, newpipe;
Map map;
boolean eof;
//
//---------------------------
//--- initiate the applet ---
//---------------------------
//
public void init() {
//
//--- main display ---
//
setBackground(Color.lightGray);
setLayout(new BorderLayout(10, 10));
input = new Panel();
add("South", input);
input.setLayout(new GridLayout(3, 4, 10, 10));
lh = new Label("UTFLOW V1.3", Label.LEFT);
add("North", lh);
lc1 = new Label("", Label.RIGHT);
lc2 = new Label("", Label.RIGHT);
lc3 = new Label("", Label.RIGHT);
lc4 = new Label("", Label.RIGHT);
fc1 = new TextField("", 5);
fc2 = new TextField("", 5);
fc3 = new TextField("", 5);
fc4 = new TextField("", 5);
input.add(lc1);
input.add(fc1);
input.add(lc2);
input.add(fc2);
input.add(lc3);
input.add(fc3);
input.add(lc4);
input.add(fc4);
ld1 = new Label("", Label.RIGHT);
ld2 = new Label("", Label.RIGHT);
ld3 = new Label("", Label.RIGHT);
ld4 = new Label("", Label.RIGHT);
input.add(ld1);
input.add(ld2);
input.add(ld3);
input.add(ld4);
//
//--- map ---
//
map = new Map();
map.Utflow = this;
map.mode = 0;
map.setBackground(Color.lightGray);
add("Center", map);
map.init();
//
//--- default data ---
//
//reservoir levels
//
llevel = 50;
rlevel = 100;
//
//apps
//
app = new App[6];
//
app[1] = new App();
app[1].type = "joint";
app[1].k = 0.5;
app[1].x = 150;
//
app[2] = new App();
app[2].type = "joint";
app[2].k = 0.5;
app[2].x = 250;
//
app[3] = new App();
app[3].type = "pump";
app[3].x = 300;
app[3].hp = 10;
//
app[4] = new App();
app[4].type = "joint";
app[4].k = 0.5;
app[4].x = 350;
//
app[5] = new App();
app[5].type = "joint";
app[5].k = 0.5;
app[5].x = 450;
//
//pipes
//
pipe = new Pipe[5];
//
pipe[1] = new Pipe();
pipe[1].length = 30;
pipe[1].diameter = 0.20;
pipe[1].friction = 0.025;
pipe[1].fromapp = app[1];
pipe[1].toapp = app[2];
pipe[1].calculate();
//
pipe[2] = new Pipe();
pipe[2].length = 20;
pipe[2].diameter = 0.10;
pipe[2].friction = 0.025;
pipe[2].fromapp = app[2];
pipe[2].toapp = app[3];
pipe[2].calculate();
//
pipe[3] = new Pipe();
pipe[3].length = 30;
pipe[3].diameter = 0.20;
pipe[3].friction = 0.025;
pipe[3].fromapp = app[3];
pipe[3].toapp = app[4];
pipe[3].calculate();
//
pipe[4] = new Pipe();
pipe[4].length = 30;
pipe[4].diameter = 0.20;
pipe[4].friction = 0.025;
pipe[4].fromapp = app[4];
pipe[4].toapp = app[5];
pipe[4].calculate();
//
app[1].topipe = pipe[1];
app[2].frompipe = pipe[1];
app[2].topipe = pipe[2];
app[3].frompipe = pipe[2];
app[3].topipe = pipe[3];
app[4].frompipe = pipe[3];
app[4].topipe = pipe[4];
app[5].frompipe = pipe[4];
//
app[1].calculate();
app[2].calculate();
app[3].calculate();
app[4].calculate();
app[5].calculate();
//
//current
//
//curtype
//1 = pipe
//2 = app
//
curtype = 1;
curpipe = pipe[2];
//
//--- initiate edit area ---
//
updateedit();
//
//--- calculate ---
//
calculate();
//
//--- repaint ---
//
map.offx = 0;
map.offy = 0;
map.clipw = 600;
map.cliph = 300;
map.repaint();
}
//
//--------------
//--- action ---
//--------------
//
public boolean action(Event evt, Object arg) {
apply();
calculate();
map.offx = 0;
map.offy = 0;
map.clipw = 600;
map.cliph = 300;
map.repaint();
//
return true;
}
//
//---------------------
//--- update values ---
//---------------------
//
public void apply() {
//
//get string values from text fields
//
s1 = fc1.getText();
s2 = fc2.getText();
s3 = fc3.getText();
s4 = fc4.getText();
//
//convert string values to numbers
//
if (! (s1.equals(""))) {
D1 = Double.valueOf(s1);
d1 = D1.doubleValue();
}
if (! (s2.equals(""))) {
D2 = Double.valueOf(s2);
d2 = D2.doubleValue();
}
if (! (s3.equals(""))) {
D3 = Double.valueOf(s3);
d3 = D3.doubleValue();
}
if (! (s4.equals(""))) {
D4 = Double.valueOf(s4);
d4 = D4.doubleValue();
}
//
//update values
//
if (curtype == 1) {
curpipe.diameter = (d1 / 100);
curpipe.friction = d2;
curpipe.calculate();
curpipe.toapp.diameter = (d1 / 100);
curpipe.toapp.calculate();
}
if (curtype == 2) {
if (curapp.type.equals("pump")) {
curapp.hp = d1;
}
if (curapp.type.equals("joint")) {
curapp.k = d1;
}
if (curapp.type.equals("valve")) {
curapp.k = d1;
}
if (curapp.type.equals("turbine")) {
curapp.ht = d1;
}
curapp.calculate();
}
}
//
//-----------------
//--- calculate ---
//-----------------
//
public void calculate() {
//
//get cptotal
//
cptotal = 0;
thispipe = pipe[1];
eof = false;
while (! eof) {
cptotal = cptotal + thispipe.cp;
if (thispipe.toapp.x == 450) {
eof = true;
}
if (thispipe.toapp.x < 450) {
thispipe = thispipe.toapp.topipe;
}
}
//
//get cmtotal, hptotal, httotal
//
cmtotal = 0;
hptotal = 0;
httotal = 0;
cmtotal = cmtotal + app[1].cm;
lastapp = app[1];
eof = false;
while (! eof) {
thisapp = lastapp.topipe.toapp;
if (thisapp.type.equals("pump")) {
hptotal = hptotal + thisapp.hp;
}
if (thisapp.type.equals("joint")) {
cmtotal = cmtotal + thisapp.cm;
}
if (thisapp.type.equals("valve")) {
cmtotal = cmtotal + thisapp.cm;
}
if (thisapp.type.equals("turbine")) {
httotal = httotal + thisapp.ht;
}
if (thisapp.x == 450) {
eof = true;
}
lastapp = thisapp;
}
//
//ellevel and erlevel
//
if (llevel >= 150) {
ellevel = 150.00;
}
if (llevel < 150) {
ellevel = (double) llevel;
}
if (rlevel >= 150) {
erlevel = 150.00;
}
if (rlevel < 150) {
erlevel = (double) rlevel;
}
//
//get fd
//
//0 = no flow
//1 = right to left
//2 = left to right
//
if (ellevel == erlevel) {
fd = 0;
}
if (ellevel > erlevel) {
fd = 1;
}
if (ellevel < erlevel) {
fd = 2;
}
//
//get q
//
if (fd == 0) {
q = 0;
}
if (fd == 1) {
q = java.lang.Math.sqrt((((ellevel / 5.00) - (erlevel / 5.00) + hptotal - httotal) / (cptotal + cmtotal)));
}
if (fd == 2) {
q = java.lang.Math.sqrt((((erlevel / 5.00) - (ellevel / 5.00) + hptotal - httotal) / (cptotal + cmtotal)));
}
//
//get hgl and egl
//
deglmax = (ellevel / 5.00);
deglmin = (ellevel / 5.00);
dhglmax = (ellevel / 5.00);
dhglmin = (ellevel / 5.00);
if (fd == 0) {
pipe[1].fromegl = (ellevel / 5.00);
pipe[1].fromhgl = (ellevel / 5.00);
pipe[1].toegl = (ellevel / 5.00);
pipe[1].tohgl = (ellevel / 5.00);
lastpipe = pipe[1];
eof = false;
if (lastpipe.toapp.x == 450) {
eof = true;
}
while (! eof) {
thispipe = lastpipe.toapp.topipe;
thispipe.fromegl = (ellevel / 5.00);
thispipe.fromhgl = (ellevel / 5.00);
thispipe.toegl = (ellevel / 5.00);
thispipe.tohgl = (ellevel / 5.00);
if (thispipe.toapp.x == 450) {
eof = true;
}
lastpipe = thispipe;
}
}
if (fd == 1) {
pipe[1].fromegl = (ellevel / 5.00) - pipe[1].fromapp.gethl(q);
deglmax = pipe[1].fromegl;
deglmin = pipe[1].fromegl;
pipe[1].fromhgl = pipe[1].fromegl + pipe[1].getvh(q);
dhglmax = pipe[1].fromhgl;
dhglmin = pipe[1].fromhgl;
pipe[1].toegl = pipe[1].fromegl - pipe[1].gethl(q);
if (pipe[1].toegl < deglmax) {
deglmax = pipe[1].toegl;
}
if (pipe[1].toegl > deglmin) {
deglmin = pipe[1].toegl;
}
pipe[1].tohgl = pipe[1].toegl + pipe[1].getvh(q);
if (pipe[1].tohgl < dhglmax) {
dhglmax = pipe[1].tohgl;
}
if (pipe[1].tohgl > dhglmin) {
dhglmin = pipe[1].tohgl;
}
lastpipe = pipe[1];
eof = false;
if (lastpipe.toapp.x == 450) {
eof = true;
}
while (! eof) {
thispipe = lastpipe.toapp.topipe;
thispipe.fromegl = lastpipe.toegl - thispipe.fromapp.gethl(q);
if (thispipe.fromegl < deglmax) {
deglmax = thispipe.fromegl;
}
if (thispipe.fromegl > deglmin) {
deglmin = thispipe.fromegl;
}
thispipe.fromhgl = thispipe.fromegl + thispipe.getvh(q);
if (thispipe.fromhgl < dhglmax) {
dhglmax = thispipe.fromhgl;
}
if (thispipe.fromhgl > dhglmin) {
dhglmin = thispipe.fromhgl;
}
thispipe.toegl = thispipe.fromegl - thispipe.gethl(q);
if (thispipe.toegl < deglmax) {
deglmax = thispipe.toegl;
}
if (thispipe.toegl > deglmin) {
deglmin = thispipe.toegl;
}
thispipe.tohgl = thispipe.toegl + thispipe.getvh(q);
if (thispipe.tohgl < dhglmax) {
dhglmax = thispipe.tohgl;
}
if (thispipe.tohgl > dhglmin) {
dhglmin = thispipe.tohgl;
}
if (thispipe.toapp.x == 450) {
eof = true;
}
lastpipe = thispipe;
}
}
if (fd == 2) {
pipe[1].fromegl = (ellevel / 5.00) + pipe[1].fromapp.gethl(q);
deglmax = pipe[1].fromegl;
deglmin = pipe[1].fromegl;
pipe[1].fromhgl = pipe[1].fromegl + pipe[1].getvh(q);
dhglmax = pipe[1].fromhgl;
dhglmin = pipe[1].fromhgl;
pipe[1].toegl = pipe[1].fromegl + pipe[1].gethl(q);
if (pipe[1].toegl < deglmax) {
deglmax = pipe[1].toegl;
}
if (pipe[1].toegl > deglmin) {
deglmin = pipe[1].toegl;
}
pipe[1].tohgl = pipe[1].toegl + pipe[1].getvh(q);
if (pipe[1].tohgl < dhglmax) {
dhglmax = pipe[1].tohgl;
}
if (pipe[1].tohgl > dhglmin) {
dhglmin = pipe[1].tohgl;
}
lastpipe = pipe[1];
eof = false;
if (lastpipe.toapp.x == 450) {
eof = true;
}
while (! eof) {
thispipe = lastpipe.toapp.topipe;
thispipe.fromegl = lastpipe.toegl + thispipe.fromapp.gethl(q);
if (thispipe.fromegl < deglmax) {
deglmax = thispipe.fromegl;
}
if (thispipe.fromegl > deglmin) {
deglmin = thispipe.fromegl;
}
thispipe.fromhgl = thispipe.fromegl + thispipe.getvh(q);
if (thispipe.fromhgl < dhglmax) {
dhglmax = thispipe.fromhgl;
}
if (thispipe.fromhgl > dhglmin) {
dhglmin = thispipe.fromhgl;
}
thispipe.toegl = thispipe.fromegl + thispipe.gethl(q);
if (thispipe.toegl < deglmax) {
deglmax = thispipe.toegl;
}
if (thispipe.toegl > deglmin) {
deglmin = thispipe.toegl;
}
thispipe.tohgl = thispipe.toegl + thispipe.getvh(q);
if (thispipe.tohgl < dhglmax) {
dhglmax = thispipe.tohgl;
}
if (thispipe.tohgl > dhglmin) {
dhglmin = thispipe.tohgl;
}
if (thispipe.toapp.x == 450) {
eof = true;
}
lastpipe = thispipe;
}
}
if ((erlevel / 5.00) < deglmax) {
deglmax = (erlevel / 5.00);
}
if ((erlevel / 5.00) > deglmin) {
deglmin = (erlevel / 5.00);
}
if ((erlevel / 5.00) < dhglmax) {
dhglmax = (erlevel / 5.00);
}
if ((erlevel / 5.00) > dhglmin) {
dhglmin = (erlevel / 5.00);
}
eglmax = 40 - (int) deglmax;
eglmin = 40 - (int) deglmin;
hglmax = 40 - (int) dhglmax;
hglmin = 40 - (int) dhglmin;
}
//
//------------------------
//--- update edit area ---
//------------------------
//
public void updateedit() {
if (curtype == 1) {
lc1.setText("Diameter [cm]");
fc1.setText(String.valueOf((curpipe.diameter * 100)));
fc1.setEditable(true);
lc2.setText("Friction Factor []");
fc2.setText(String.valueOf(curpipe.friction));
fc2.setEditable(true);
lc3.setText("Length [m]");
fc3.setText(String.valueOf(curpipe.length));
fc3.setEditable(false);
lc4.setText("");
fc4.setText("");
fc4.setEditable(false);
}
if (curtype == 2) {
if (curapp.type.equals("pump")) {
lc1.setText("Pump Head [m]");
fc1.setText(String.valueOf(curapp.hp));
fc1.setEditable(true);
lc2.setText("");
fc2.setText("");
fc2.setEditable(false);
lc3.setText("");
fc3.setText("");
fc3.setEditable(false);
lc4.setText("");
fc4.setText("");
fc4.setEditable(false);
}
if (curapp.type.equals("joint")) {
lc1.setText("Loss Coefficient []");
fc1.setText(String.valueOf(curapp.k));
fc1.setEditable(true);
lc2.setText("");
fc2.setText("");
fc2.setEditable(false);
lc3.setText("");
fc3.setText("");
fc3.setEditable(false);
lc4.setText("");
fc4.setText("");
fc4.setEditable(false);
}
if (curapp.type.equals("valve")) {
lc1.setText("Loss Coefficient []");
fc1.setText(String.valueOf(curapp.k));
lc2.setText("");
fc2.setText("");
fc2.setEditable(false);
lc3.setText("");
fc3.setText("");
fc3.setEditable(false);
lc4.setText("");
fc4.setText("");
fc4.setEditable(false);
}
if (curapp.type.equals("turbine")) {
lc1.setText("Turbine Head [m]");
fc1.setText(String.valueOf(curapp.ht));
lc2.setText("");
fc2.setText("");
fc2.setEditable(false);
lc3.setText("");
fc3.setText("");
fc3.setEditable(false);
lc4.setText("");
fc4.setText("");
fc4.setEditable(false);
}
}
}
//
//---------------
//--- add app ---
//---------------
//
public void addapp(String type, int x, Pipe thepipe, App theapp) {
//
//-- create new app ---
//
newapp = new App();
newapp.type = type;
newapp.x = x;
if (type.equals("pump")) {
newapp.hp = theapp.hp;
}
if ((type.equals("joint")) || (type.equals("valve"))){
newapp.k = theapp.k;
}
if (type.equals("turbine")) {
newapp.ht = theapp.ht;
}
//
//--- create a new pipe ---
//
newpipe = new Pipe();
newpipe.diameter = thepipe.diameter;
newpipe.friction = thepipe.friction;
//
//--- update connections ---
//
newapp.frompipe = thepipe;
newapp.topipe = newpipe;
//
newpipe.fromapp = newapp;
newpipe.toapp = thepipe.toapp;
//
thepipe.toapp = newapp;
//
newpipe.toapp.frompipe = newpipe;
//
//--- recalculate objects ---
//
newpipe.calculate();
thepipe.calculate();
newapp.calculate();
newpipe.toapp.calculate();
//
//
//--- make new app current ---
//
curtype = 2;
curapp = newapp;
}
//
//------------------
//--- delete app ---
//------------------
//
public void delapp(App delapp) {
//
//--- stretch frompipe ---
//
newtoapp = delapp.topipe.toapp;
//
delapp.frompipe.toapp = newtoapp;
delapp.frompipe.calculate();
//
//--- update newtoapp ---
//
newtoapp.frompipe = delapp.frompipe;
newtoapp.calculate();
}
}
//
//----------------------------
//----------------------------
//--- map class definition ---
//----------------------------
//----------------------------
//
class Map extends Panel {
//
//-----------------
//--- variables ---
//-----------------
//
double length, appdistdn, pipdistdn, levdistdn;
double appdist, pipdist, appdistup, pipdistup, distance;
Utflow Utflow;
Pipe newpipe, topipe, frompipe, pipclos, pipclosup, pipclosdn, lastpipe, thispipe;
App appclos, appclosup, appclosdn, appmove, lastapp, thisapp;
int dnx, dny, dragx, dragy, movex, movey, tox, toy, levclosdn;
int offx, offy, clipw, cliph;
int i, j, k, m, n;
int mode, valid, corx, cory, prevdragx, prevdragy, xdist, ydist;
String addtype;
boolean eof;
Image oi, soi;
Graphics g, og, sog;
ImageObserver io, sio;
//
//-------------------------
//--- mouse down method ---
//-------------------------
//
public boolean mouseDown(Event evt, int x, int y) {
//
mode = 0;
if (new Rectangle(55, 5, 20, 15).inside(x, y)) {
mode = 1;
addtype = "pump";
corx = x - 61;
cory = y - 10;
}
if (new Rectangle(55, 20, 20, 15).inside(x, y)) {
mode = 1;
addtype = "joint";
corx = x - 61;
cory = y - 25;
}
if (new Rectangle(55, 35, 20, 15).inside(x, y)) {
mode = 1;
addtype = "valve";
corx = x - 61;
cory = y - 40;
}
if (new Rectangle(55, 50, 20, 15).inside(x, y)) {
mode = 1;
addtype = "turbine";
corx = x - 61;
cory = y - 55;
}
//
//find closest app
//
findcapp(x, y);
appclosdn = appclos;
appdistdn = appdist;
//
//find closest pipe
//
findcpipe(x, y);
pipclosdn = pipclos;
pipdistdn = pipdist;
//
//find closest lev
//
levclosdn = 0;
levdistdn = 1000;
if ((100 < x ) && ( 150 > x)) {
levclosdn = 1;
levdistdn = java.lang.Math.sqrt(java.lang.Math.pow((Utflow.llevel - y), 2));
}
if ((450 < x ) && ( 500 > x)) {
levclosdn = 2;
levdistdn = java.lang.Math.sqrt(java.lang.Math.pow((Utflow.rlevel - y), 2));
}
//
//select/move app
//
Utflow.apply();
//
if (mode == 0) {
if ((appdistdn <= 10) && (pipdistdn <= 10)) {
Utflow.curtype = 2;
Utflow.curapp = appclosdn;
appmove = appclosdn;
corx = x - appclosdn.x;
cory = y - 150;
mode = 2;
}
if ((appclosdn.x == 150) || (appclosdn.x == 450)){
mode = 0;
}
if (appdistdn > 10) {
if (pipdistdn <= 10) {
Utflow.curtype = 1;
Utflow.curpipe = pipclosdn;
}
}
}
//
//move lev
//
if (levdistdn <= 5) {
if (levclosdn == 1) {
corx = 0;
cory = y - Utflow.llevel;
mode = 101;
}
if (levclosdn == 2) {
mode = 102;
}
}
dnx = x;
dny = y;
dragx = x;
dragy = y;
prevdragx = dragx;
prevdragy = dragy;
offx = 0;
offy = 0;
clipw = 600;
cliph = 300;
repaint();
return true;
}
//
//-------------------------
//--- mouse drag method ---
//-------------------------
//
public boolean mouseDrag(Event evt, int x, int y) {
prevdragx = dragx;
prevdragy = dragy;
dragx = x;
dragy = y;
xdist = ((int) java.lang.Math.sqrt(java.lang.Math.pow((prevdragx - dragx), 2))) + 10;
ydist = ((int) java.lang.Math.sqrt(java.lang.Math.pow((prevdragy - dragy), 2))) + 10;
if ((mode == 1) || (mode == 2)) {
offx = dragx - xdist;
offy = dragy - ydist;
clipw = 1 + 2 * xdist;
cliph = 1 + 2 * ydist;
}
if (mode == 101) {
offx = 101;
offy = dragy - ydist;
clipw = 49;
cliph = 1 + 2 * ydist;
}
if (mode == 102) {
offx = 451;
offy = dragy - ydist;
clipw = 49;
cliph = 1 + 2 * ydist;
}
repaint();
return true;
}
//
//-----------------------
//--- mouse up method ---
//-----------------------
//
public boolean mouseUp(Event evt, int x, int y) {
//
tox = x;
toy = y;
//
//find closest app
//
findcapp(x, y);
appclosup = appclos;
appdistup = appdist;
//
//find closest pip
//
findcpipe(x, y);
pipclosup = pipclos;
pipdistup = pipdist;
//
//--- action for add app ---
//
if (mode == 1) {
valid = 1;
if (pipdistup > 5) {
valid = 0;
}
if (appdistup <= 5) {
valid = 0;
}
if (valid == 1) {
Utflow.addapp(addtype, x, pipclosup, (new App()));
}
}
//
//--- action for move app ---
//
if (mode == 2) {
valid = 1;
if (pipdistup > 10) {
valid = 0;
}
if (appdistup <= 10) {
valid = 0;
}
if (valid == 1) {
Utflow.addapp(appmove.type, x, pipclosup, appmove);
Utflow.delapp(appmove);
}
}
//
//--- action for trash ---
//
if (new Rectangle(55, 65, 20, 15).inside(x, y)) {
if (mode == 2) {
Utflow.delapp(appmove);
}
}
//
//--- action for move lev ---
//
if ((mode == 101) && (y <= 200) && (y >= 20)) {
Utflow.llevel = y;
}
if ((mode == 102) && (y <= 200) && (y >= 20)) {
Utflow.rlevel = y;
}
//
//--- misc ---
//
mode = 0;
Utflow.calculate();
Utflow.updateedit();
offx = 0;
offy = 0;
clipw = 600;
cliph = 300;
repaint();
return true;
}
//
//-------------------------------
//--- find closest app method ---
//-------------------------------
//
public void findcapp(int x, int y) {
appclos = new App();
appdist = 1000;
distance = java.lang.Math.sqrt(java.lang.Math.pow((Utflow.app[1].x - x), 2));
appclos = Utflow.app[1];
appdist = distance;
lastapp = Utflow.app[1];
eof = false;
while (! eof) {
thisapp = lastapp.topipe.toapp;
distance = java.lang.Math.sqrt(java.lang.Math.pow((thisapp.x - x), 2));
if (distance < appdist) {
appclos = thisapp;
appdist = distance;
}
if (thisapp.x == 450) {
eof = true;
}
lastapp = thisapp;
}
}
//
//--------------------------------
//--- find closest pipe method ---
//--------------------------------
//
public void findcpipe(int x, int y) {
pipclos = new Pipe();
pipdist = 1000;
pipclos = Utflow.pipe[1];
pipdist = java.lang.Math.sqrt(java.lang.Math.pow((150 - y), 2));
lastpipe = Utflow.pipe[1];
eof = false;
if (lastpipe.toapp.x == 450) {
eof = true;
}
while (! eof) {
thispipe = lastpipe.toapp.topipe;
if ((x >= thispipe.fromapp.x) && (x < thispipe.toapp.x)) {
pipclos = thispipe;
pipdist = java.lang.Math.sqrt(java.lang.Math.pow((150 - y), 2));
}
if ((thispipe.fromapp.x == 150) && (x < 150)) {
pipclos = thispipe;
pipdist = java.lang.Math.sqrt((java.lang.Math.pow((150 - y), 2) + (java.lang.Math.pow((150 - x), 2))));
}
if ((thispipe.toapp.x == 450) && (x >= 450)) {
pipclos = thispipe;
pipdist = java.lang.Math.sqrt((java.lang.Math.pow((150 - y), 2) + (java.lang.Math.pow((450 - x), 2))));
}
if (thispipe.toapp.x == 450) {
eof = true;
}
lastpipe = thispipe;
}
}
//
//--------------------
//--- init method ---
//--------------------
//
public void init() {
//
//--- image set up ---
//
soi = createImage(600, 300);
sog = soi.getGraphics();
ImageObserver sio = Utflow;
//
//--- background ---
//
sog.setColor(Color.lightGray);
sog.fillRect(0, 0, 600, 300);
//
//--- coordinate system ---
//
sog.setColor(Color.gray);
sog.drawString("0", 146, 227);
sog.drawString("10", 193, 227);
sog.drawString("20", 243, 227);
sog.drawString("30", 293, 227);
sog.drawString("40", 343, 227);
sog.drawString("50", 393, 227);
sog.drawString("60 [m]", 443, 227);
sog.drawString("0", 520, 203);
sog.drawString("10", 520, 153);
sog.drawString("20", 520, 103);
sog.drawString("30 [m]", 520, 53);
sog.drawLine(150, 210, 450, 210);
sog.drawLine(150, 30, 150, 215);
sog.drawLine(200, 30, 200, 215);
sog.drawLine(250, 30, 250, 215);
sog.drawLine(300, 30, 300, 215);
sog.drawLine(350, 30, 350, 215);
sog.drawLine(400, 30, 400, 215);
sog.drawLine(450, 30, 450, 215);
sog.drawLine(510, 30, 510, 200);
sog.drawLine(100, 200, 515, 200);
sog.drawLine(100, 150, 515, 150);
sog.drawLine(100, 100, 515, 100);
sog.drawLine(100, 50, 515, 50);
//
//--- menu and flow info area---
//
sog.setColor(Color.green);
sog.fillOval(61, 10, 8, 8);
sog.setColor(Color.magenta);
sog.fillOval(61, 25, 8, 8);
sog.setColor(Color.cyan);
sog.fillOval(61, 40, 8, 8);
sog.setColor(Color.red);
sog.fillOval(61, 55, 8, 8);
sog.setColor(Color.black);
sog.drawRect(5, 5, 70, 75);
sog.drawLine(55, 5, 55, 80);
sog.drawLine(5, 20, 75, 20);
sog.drawLine(5, 35, 75, 35);
sog.drawLine(5, 50, 75, 50);
sog.drawLine(5, 65, 75, 65);
sog.drawString("Pump", 10, 17);
sog.drawString("Joint", 10, 31);
sog.drawString("Valve", 10, 47);
sog.drawString("Turbine", 10, 62);
sog.drawString("Trash", 10, 77);
sog.drawRect(5, 100, 70, 125);
sog.drawLine(5, 130, 75, 130);
sog.drawLine(5, 175, 75, 175);
sog.drawString("Flow Rate", 10, 112);
sog.drawString("Mx/Mn [m]", 10, 142);
sog.drawString("Res. Elev.", 10, 187);
//
//--- reservoirs ---
//
sog.drawLine(100, 20, 100, 200);
sog.drawLine(99, 20, 99, 200);
sog.drawLine(100, 200, 150, 200);
sog.drawLine(99, 201, 151, 201);
sog.drawLine(150, 200, 150, 20);
sog.drawLine(151, 201, 151, 20);
sog.drawLine(96, 20, 100, 20);
sog.drawLine(96, 21, 100, 21);
sog.drawLine(150, 20, 154, 20);
sog.drawLine(150, 21, 154, 21);
//
sog.drawLine(450, 20, 450, 200);
sog.drawLine(449, 20, 449, 200);
sog.drawLine(450, 200, 500, 200);
sog.drawLine(449, 201, 501, 201);
sog.drawLine(500, 200, 500, 20);
sog.drawLine(501, 201, 501, 20);
sog.drawLine(446, 20, 450, 20);
sog.drawLine(446, 21, 450, 21);
sog.drawLine(500, 20, 504, 20);
sog.drawLine(500, 21, 504, 21);
}
//
//---------------------
//--- update method ---
//---------------------
//
public void update(Graphics g) {
paint(g);
}
//
//--------------------
//--- paint method ---
//--------------------
//
public void paint(Graphics g) {
//
//--- paint parameters ---
//
g.clipRect(offx, offy, clipw, cliph);
//
//--- image set up ---
//
oi = createImage(clipw, cliph);
og = oi.getGraphics();
ImageObserver io = Utflow;
//
//--- background ---
//
og.drawImage(soi, - offx, - offy, sio);
//
//--- menu and flow info area---
//
og.drawString((String.valueOf(((int) (Utflow.q * 1000))) + " L/s"), 10 - offx, 127 - offy);
og.drawString(("EGL " + String.valueOf(Utflow.eglmax) + "/" + String.valueOf(Utflow.eglmin)), 10 - offx, 157 - offy);
og.drawString(("HGL " + String.valueOf(Utflow.hglmax) + "/" + String.valueOf(Utflow.hglmin)), 10 - offx, 172 - offy);
og.drawString(("Left " + String.valueOf(((200 - Utflow.llevel) / 5)) + " m"), 10 - offx, 202 - offy);
og.drawString(("Right " + String.valueOf(((200 - Utflow.rlevel) / 5)) + " m"), 10 - offx, 217 - offy);
//
//--- water levels ---
//
og.setColor(Color.blue);
if (! (mode == 101)) {
og.fillRect(101 - offx, Utflow.llevel - offy, 49, 200 - Utflow.llevel);
og.drawLine(125 - offx, Utflow.llevel - offy, 125 - offx, Utflow.llevel - offy);
og.drawLine(126 - offx, Utflow.llevel - offy - 1, 124 - offx, Utflow.llevel - offy - 1);
og.drawLine(127 - offx, Utflow.llevel - offy - 2, 123 - offx, Utflow.llevel - offy - 2);
og.drawLine(128 - offx, Utflow.llevel - offy - 3, 122 - offx, Utflow.llevel - offy - 3);
og.drawLine(129 - offx, Utflow.llevel - offy - 4, 121 - offx, Utflow.llevel - offy - 4);
og.drawLine(130 - offx, Utflow.llevel - offy - 5, 120 - offx, Utflow.llevel - offy - 5);
}
if (mode == 101) {
if (dragy < 20) {
og.fillRect(101 - offx, 20 - offy, 49, 180);
og.drawLine(125 - offx, 20 - offy, 125 - offx, 20 - offy);
og.drawLine(126 - offx, 19 - offy, 124 - offx, 19 - offy);
og.drawLine(127 - offx, 18 - offy, 123 - offx, 18 - offy);
og.drawLine(128 - offx, 17 - offy, 122 - offx, 17 - offy);
og.drawLine(129 - offx, 16 - offy, 121 - offx, 16 - offy);
og.drawLine(130 - offx, 15 - offy, 120 - offx, 15 - offy);
}
if (dragy > 200) {
og.drawLine(125 - offx, 200 - offy, 125 - offx, 200 - offy);
og.drawLine(126 - offx, 199 - offy, 124 - offx, 199 - offy);
og.drawLine(127 - offx, 198 - offy, 123 - offx, 198 - offy);
og.drawLine(128 - offx, 197 - offy, 122 - offx, 197 - offy);
og.drawLine(129 - offx, 196 - offy, 121 - offx, 196 - offy);
og.drawLine(130 - offx, 195 - offy, 120 - offx, 195 - offy);
}
if ((dragy >= 20) && (dragy <= 200)) {
og.fillRect(101 - offx, dragy - offy, 49, 200 - dragy);
og.drawLine(125 - offx, dragy - offy, 125 - offx, dragy - offy);
og.drawLine(126 - offx, dragy - offy - 1, 124 - offx, dragy - offy - 1);
og.drawLine(127 - offx, dragy - offy - 2, 123 - offx, dragy - offy - 2);
og.drawLine(128 - offx, dragy - offy - 3, 122 - offx, dragy - offy - 3);
og.drawLine(129 - offx, dragy - offy - 4, 121 - offx, dragy - offy - 4);
og.drawLine(130 - offx, dragy - offy - 5, 120 - offx, dragy - offy - 5);
}
}
if (! (mode == 102)) {
og.fillRect(451 - offx, Utflow.rlevel - offy, 49, 200 - Utflow.rlevel);
og.drawLine(475 - offx, Utflow.rlevel - offy, 475 - offx, Utflow.rlevel - offy);
og.drawLine(476 - offx, Utflow.rlevel - offy - 1, 474 - offx, Utflow.rlevel - offy - 1);
og.drawLine(477 - offx, Utflow.rlevel - offy - 2, 473 - offx, Utflow.rlevel - offy - 2);
og.drawLine(478 - offx, Utflow.rlevel - offy - 3, 472 - offx, Utflow.rlevel - offy - 3);
og.drawLine(479 - offx, Utflow.rlevel - offy - 4, 471 - offx, Utflow.rlevel - offy - 4);
og.drawLine(480 - offx, Utflow.rlevel - offy - 5, 470 - offx, Utflow.rlevel - offy - 5);
}
if (mode == 102) {
if (dragy < 20) {
og.fillRect(451 - offx, 20 - offy, 49, 180);
og.drawLine(475 - offx, 20 - offy, 475 - offx, 20 - offy);
og.drawLine(476 - offx, 19 - offy, 474 - offx, 19 - offy);
og.drawLine(477 - offx, 18 - offy, 473 - offx, 18 - offy);
og.drawLine(478 - offx, 17 - offy, 472 - offx, 17 - offy);
og.drawLine(479 - offx, 16 - offy, 471 - offx, 16 - offy);
og.drawLine(480 - offx, 15 - offy, 470 - offx, 15 - offy);
}
if (dragy > 200) {
og.drawLine(475 - offx, 200 - offy, 475 - offx, 200 - offy);
og.drawLine(476 - offx, 199 - offy, 474 - offx, 199 - offy);
og.drawLine(477 - offx, 198 - offy, 473 - offx, 198 - offy);
og.drawLine(478 - offx, 197 - offy, 472 - offx, 197 - offy);
og.drawLine(479 - offx, 196 - offy, 471 - offx, 196 - offy);
og.drawLine(480 - offx, 195 - offy, 470 - offx, 195 - offy);
}
if ((dragy >= 20) && (dragy <= 200)) {
og.fillRect(451 - offx, dragy - offy, 49, 200 - dragy);
og.drawLine(475 - offx, dragy - offy, 475 - offx, dragy - offy);
og.drawLine(476 - offx, dragy - offy - 1, 474 - offx, dragy - offy - 1);
og.drawLine(477 - offx, dragy - offy - 2, 473 - offx, dragy - offy - 2);
og.drawLine(478 - offx, dragy - offy - 3, 472 - offx, dragy - offy - 3);
og.drawLine(479 - offx, dragy - offy - 4, 471 - offx, dragy - offy - 4);
og.drawLine(480 - offx, dragy - offy - 5, 470 - offx, dragy - offy - 5);
}
}
//
//--- pipes ---
//
thispipe = Utflow.pipe[1];
eof = false;
while (! eof) {
if (thispipe.diameter < 0.20) {
og.drawLine(thispipe.fromapp.x - offx, 150 - offy, thispipe.toapp.x - offx, 150 - offy);
}
if ((thispipe.diameter >= 0.20) && (thispipe.diameter < 0.30)) {
og.drawLine(thispipe.fromapp.x - offx, 149 - offy, thispipe.toapp.x - offx, 149 - offy);
og.drawLine(thispipe.fromapp.x - offx, 151 - offy, thispipe.toapp.x - offx, 151 - offy);
}
if ((thispipe.diameter >= 0.30) && (thispipe.diameter < 0.40)) {
og.drawLine(thispipe.fromapp.x - offx, 148 - offy, thispipe.toapp.x - offx, 148 - offy);
og.drawLine(thispipe.fromapp.x - offx, 152 - offy, thispipe.toapp.x - offx, 152 - offy);
}
if (thispipe.diameter >= 0.40) {
og.drawLine(thispipe.fromapp.x - offx, 147 - offy, thispipe.toapp.x - offx, 147 - offy);
og.drawLine(thispipe.fromapp.x - offx, 153 - offy, thispipe.toapp.x - offx, 153 - offy);
}
if (Utflow.curtype == 1) {
if (thispipe == Utflow.curpipe) {
og.setColor(Color.yellow);
if (thispipe.diameter < 0.20) {
og.drawLine(thispipe.fromapp.x - offx, 149 - offy, thispipe.toapp.x - offx, 149 - offy);
og.drawLine(thispipe.fromapp.x - offx, 151 - offy, thispipe.toapp.x - offx, 151 - offy);
}
if ((thispipe.diameter >= 0.20) && (thispipe.diameter < 0.30)) {
og.drawLine(thispipe.fromapp.x - offx, 148 - offy, thispipe.toapp.x - offx, 148 - offy);
og.drawLine(thispipe.fromapp.x - offx, 152 - offy, thispipe.toapp.x - offx, 152 - offy);
}
if ((thispipe.diameter >= 0.30) && (thispipe.diameter < 0.40)) {
og.drawLine(thispipe.fromapp.x - offx, 147 - offy, thispipe.toapp.x - offx, 147 - offy);
og.drawLine(thispipe.fromapp.x - offx, 153 - offy, thispipe.toapp.x - offx, 153 - offy);
}
if (thispipe.diameter >= 0.40) {
og.drawLine(thispipe.fromapp.x - offx, 146 - offy, thispipe.toapp.x - offx, 146 - offy);
og.drawLine(thispipe.fromapp.x - offx, 154 - offy, thispipe.toapp.x - offx, 154 - offy);
}
og.setColor(Color.blue);
}
}
if (thispipe.toapp.x == 450) {
eof = true;
}
if (thispipe.toapp.x < 450) {
thispipe = thispipe.toapp.topipe;
}
}
//
//--- apps ---
//
og.setColor(Color.magenta);
og.fillOval((Utflow.app[1].x - offx - 4), (150 - offy - 4), 8, 8);
if ((Utflow.curtype == 2) && (Utflow.app[1] == Utflow.curapp)) {
og.setColor(Color.yellow);
og.drawOval(Utflow.app[1].x - offx - 4, 146 - offy, 8, 8);
og.drawOval(Utflow.app[1].x - offx - 5, 145 - offy, 9, 9);
}
lastapp = Utflow.app[1];
eof = false;
while (! eof) {
thisapp = lastapp.topipe.toapp;
og.setColor(Color.green);
if (thisapp.type.equals("joint")) {
og.setColor(Color.magenta);
}
if (thisapp.type.equals("valve")) {
og.setColor(Color.cyan);
}
if (thisapp.type.equals("turbine")) {
og.setColor(Color.red);
}
og.fillOval(thisapp.x - offx - 4, 146 - offy, 8, 8);
if ((Utflow.curtype == 2) && (thisapp == Utflow.curapp)) {
og.setColor(Color.yellow);
og.drawOval(thisapp.x - offx - 4, 146 - offy, 8, 8);
og.drawOval(thisapp.x - offx - 5, 145 - offy, 9, 9);
}
if (thisapp.x == 450) {
eof = true;
}
lastapp = thisapp;
}
//
//--- hgl and egl ---
//
og.setColor(Color.blue);
og.drawLine(Utflow.pipe[1].fromapp.x - offx, ((int) (5 * Utflow.pipe[1].fromhgl) - offy), Utflow.pipe[1].toapp.x - offx, ((int) (5 * Utflow.pipe[1].tohgl) - offy));
og.setColor(Color.red);
og.drawLine(Utflow.pipe[1].fromapp.x - offx, ((int) (5 * Utflow.pipe[1].fromegl) - offy), Utflow.pipe[1].toapp.x - offx, ((int) (5 * Utflow.pipe[1].toegl) - offy));
lastpipe = Utflow.pipe[1];
eof = false;
if (lastpipe.toapp.x == 450) {
eof = true;
}
while (! eof) {
thispipe = lastpipe.toapp.topipe;
og.setColor(Color.blue);
og.drawLine(thispipe.fromapp.x - offx, ((int) (5 * lastpipe.tohgl) - offy), thispipe.fromapp.x - offx, ((int) (5 * thispipe.fromhgl) - offy));
og.drawLine(thispipe.fromapp.x - offx, ((int) (5 * thispipe.fromhgl) - offy), thispipe.toapp.x - offx, ((int) (5 * thispipe.tohgl) - offy));
og.setColor(Color.red);
og.drawLine(thispipe.fromapp.x - offx, ((int) (5 * lastpipe.toegl) - offy), thispipe.fromapp.x - offx, ((int) (5 * thispipe.fromegl) - offy));
og.drawLine(thispipe.fromapp.x - offx, ((int) (5 * thispipe.fromegl) - offy), thispipe.toapp.x - offx, ((int) (5 * thispipe.toegl) - offy));
if (thispipe.toapp.x == 450) {
eof = true;
}
lastpipe = thispipe;
}
//
//--- cursor ---
//
if (mode == 1) {
og.setColor(Color.green);
if (addtype.equals("joint")) {
og.setColor(Color.magenta);
}
if (addtype.equals("valve")) {
og.setColor(Color.cyan);
}
if (addtype.equals("turbine")) {
og.setColor(Color.red);
}
og.fillOval(dragx - offx - corx, dragy - offy - cory, 8, 8);
}
if (mode == 2) {
og.setColor(Color.green);
if (appmove.type.equals("joint")) {
og.setColor(Color.magenta);
}
if (appmove.type.equals("valve")) {
og.setColor(Color.cyan);
}
if (appmove.type.equals("turbine")) {
og.setColor(Color.red);
}
if (new Rectangle(55, 65, 20, 15).inside(dragx, dragy)) {
og.setColor(Color.yellow);
}
og.fillOval(dragx - offx - 4 - corx, dragy - offy - 4 - cory, 8, 8);
og.setColor(Color.yellow);
og.drawOval(dragx - offx - 4 - corx, dragy - offy - 4 - cory, 8, 8);
og.drawOval(dragx - offx - 5 - corx, dragy - offy - 5 - cory, 9, 9);
og.drawOval(dragx - offx - 5 - corx, dragy - offy - 5 - cory, 10, 10);
}
//
//--- put image to screen ---
//
g.drawImage(oi, offx, offy, io);
}
}
//
//flowobject class definition
//
class Flowobject extends Object {
}
//
//pipe class definition
//
class Pipe extends Flowobject {
//
double length, diameter, friction, cp, area, hl, v, vh;
double fromegl, toegl, fromhgl, tohgl;
App fromapp, toapp;
//
public void calculate() {
length = (((double) (toapp.x - fromapp.x)) / 5.00);
area = (3.141592654 * diameter * diameter) / 4;
cp = friction * (length / (diameter * area * area * 2 * 9.81));
}
public double gethl(double q2) {
v = q2 / area;
hl = (friction * length * v * v) / (diameter * 2 * 9.81);
return hl;
}
public double getvh(double q2) {
v = q2 / area;
vh = (v * v) / (2 * 9.81);
return vh;
}
}
//
//app class definition
//
class App extends Flowobject {
//
String type;
int x;
double k, hp, ht, cm, area, q, v, hl, diameter;
Pipe frompipe, topipe;
//
public void calculate() {
if (x == 150) {
diameter = topipe.diameter;
}
if (x > 150) {
diameter = frompipe.diameter;
}
area = (3.141592654 * diameter * diameter) / 4;
cm = k * (1 / (area * area * 2 * 9.81));
}
public double gethl(double q2) {
v = q2 / area;
if (type.equals("pump")) {
hl = - hp;
}
if ((type.equals("joint")) || (type.equals("valve"))) {
hl = (k * v * v) / (2 * 9.81);
}
if (type.equals("turbine")) {
hl = ht;
}
return hl;
}
}