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template.html
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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="content-type" content="text/html" charset="UTF-8">
<meta name="viewport" content="width=device-width"/>
<!--
Mass and balance calculator for /*ACFT*/OH-DEMO/**/
https://github.com/kaltsi/Mass-and-Balance
Copyright (c) 2012 - 2020 Juha Kallioinen <[email protected]>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-->
<style type="text/css">
table.a {
border-radius: 4%;
padding: 10px 10px 10px 10px;
box-shadow: 3px 3px 5px gray;
border-spacing:4px;
}
table.a th {
border: 0px;
padding: 5px 5px 5px 0px;
text-align: right;
}
table.a td {
text-align: right;
padding: 3px;
box-shadow: 2px 2px 3px gray;
}
.alignleft {
float: left;
}
.alignright {
float: right;
}
.aligncenter {
text-align: center;
}
.number_class {
position: absolute;
border: 1px solid;
border-radius: 15px;
box-shadow: 3px 3px 2px rgba(0,0,0,0.4);
background-color: #83ffff;
padding: 4px;
width: 3em;
text-align: right;
z-index: 10;
padding-right: 10px;
}
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
-webkit-appearance: none;
margin: 0;
}
input[type=number] {
-moz-appearance: textfield;
border: 0px;
background-color: #83ffff;
width: 2em;
text-align: right;
font-size: 1.2em;
font-family: serif;
}
</style>
<script type="text/javascript">
/* Some conversion constants */
var g_kg_lbs = 2.20462262; // 1 kg -> lb
var g_ltr_usg = 0.26417205; // 1 ltr -> USG
var g_m_inch = 39.3700787; // 1 m -> inches
var g_mass_unit = "kg"; // default in kilos
/* defaults and storage object */
var g_defs = {
acft : /*ACFT*/ "OH-DEMO" /**/,
acft_type : /*ACFT_TYPE*/ "Generic A000-Z"/**/,
origin : /*DATA_ORIGIN*/ "Mass and balance sheet for OH-DEMO 01.01.1970"/**/,
ltr2kg : /*LITRE2KILO*/ 0.721 /**/,
usg2lb : 0, // will be computed at setup()
s : { // These are the default slider values for this plane
/*SAVEABLES*/
g_fs : 85,
g_fuel : 80,
g_bagg : 10,
g_taxi : 5,
g_ff : 23,
g_ftme : 60,
g_cb : -3.75,
/**/
mass : 0, // 0 = kg, 1 = lb
lang : 0 // 0 = English, 1 = Suomi
},
debug : false,
};
/* mass and balance envelope limits (metres and kilos) */
var g_lim = {
x : /*MOMENT_ARMS*/ [0.787, 0.787, 0.821, 0.925, 0.925, 0.787] /**/,
y : /*TOF_MASS_LIMITS*/ [450, 612, 757, 757, 450, 450] /**/,
y_land : /*LND_MASS_LIMITS*/ [450, 612, 700, 700, 450, 450] /**/,
x_draw_max : /*MOM_DRAW_MAX*/ 475 /**/,
y_draw_max : /*MASS_DRAW_MAX*/ 375 /**/,
x_draw_min : 1,
y_draw_min : 1,
lim_lnd1 : /*LND_LIMIT_X1*/ 0.8075 /**/,
lim_lnd2 : /*LND_LIMIT_X2*/ 0.925 /**/
};
g_lim.min_arm = Math.min.apply(Math, g_lim.x);
g_lim.max_arm = Math.max.apply(Math, g_lim.x);
g_lim.min_mass = Math.min.apply(Math, g_lim.y);
g_lim.max_mass = Math.max.apply(Math, g_lim.y);
/* change the unit values for the limits */
g_lim.unitchg = function lim_unit_change()
{
function convert(a, m) {
var i;
for (i = 0; i < a.length; i++) {
a[i] = (100000.0 * a[i] * m) / 100000.0;
}
}
switch (g_mass_unit) {
case "kg":
convert(this.x, 1/g_m_inch);
convert(this.y, 1/g_kg_lbs);
convert(this.y_land, 1/g_kg_lbs);
break;
case "lb":
convert(this.x, g_m_inch);
convert(this.y, g_kg_lbs);
convert(this.y_land, g_kg_lbs);
break;
default:
alert("Invalid lim_unit_change: cannot happen!");
}
this.min_arm = Math.min.apply(Math, this.x);
this.max_arm = Math.max.apply(Math, this.x);
this.min_mass = Math.min.apply(Math, this.y);
this.max_mass = Math.max.apply(Math, this.y);
}
/* convert given moment arm value to the new range fitting the svg drawing area */
function new_mom(old_value)
{
var old_range = g_lim.max_arm - g_lim.min_arm;
var new_range = g_lim.x_draw_max - g_lim.x_draw_min;
return ((old_value - g_lim.min_arm) * new_range)/old_range + g_lim.x_draw_min;
}
/* convert given mass value to the new range fitting the svg drawing area */
function new_mass(old_value)
{
var old_range = g_lim.max_mass - g_lim.min_mass;
var new_range = g_lim.y_draw_max - g_lim.y_draw_min;
return ((old_value - g_lim.min_mass) * new_range)/old_range + g_lim.y_draw_min;
}
/* basic numeric value object with unit and type */
function value_unit(v, u)
{
switch (u) {
case "kg":
case "lb":
case "ltr":
case "usg":
case "min":
case "qrt":
break;
default:
// this should not happen
alert("value_unit with values: " + v + " " + u + " called.");
}
this.num = v;
this.unit = u;
}
/* convert minutes to hours */
value_unit.prototype.time = function m2hrs()
{
var m, h;
function pad2(n) {
return (n < 10?'0':'') + n;
}
h = this.num / 60.0;
m = this.num % 60.0;
return pad2(Math.floor(h)) + ":" + pad2(Math.floor(m)) + " h";
}
/*
display the value and unit
n: num of decimals
*/
value_unit.prototype.display = function v_display(n)
{
if (n) {
return this.num.toFixed(n) + " " + this.unit;
}
else {
return this.num + " " + this.unit;
}
}
/*
return the SI value (used for saving defaults)
*/
value_unit.prototype.get_si = function v_si()
{
var m = this.num;
if (g_mass_unit == "kg") {
return m;
}
switch (this.unit) {
case "usg":
m = (100000.0 * m * (1/g_ltr_usg)) / 100000.0;
break;
case "lb":
m = (100000.0 * m * (1/g_kg_lbs)) / 100000.0;
break;
case "qrt":
// TODO XXX implement this
break;
case "ltr":
case "kg":
case "min":
// fall through
break;
}
return m;
}
/*
return the mass of value unit - calculates it for the volume units
n: num of decimals
u: also show unit
*/
value_unit.prototype.getmass = function v_mass(n, u)
{
var m = this.num;
switch (this.unit) {
case "ltr":
if (g_mass_unit == "kg")
m = (100000.0 * m * g_defs.ltr2kg) / 100000.0;
else
m = (100000.0 * m * g_defs.ltr2kg * g_kg_lbs) / 100000.0;
break;
case "usg":
if (g_mass_unit == "kg")
m = (100000.0 * m * g_defs.usg2lb / g_kg_lbs) / 100000.0;
else
m = (100000.0 * m * g_defs.usg2lb) / 100000.0;
break;
case "qrt":
// TODO XXX implement this
break;
default:
// fall through, display the raw value
}
// if no unit is wanted, try to return a number
if (n) {
if (u)
return m.toFixed(n) + (u?" " + g_mass_unit:"");
else
return m.toFixed(n);
}
else {
if (u)
return m + " " + g_mass_unit;
else
return m;
}
}
/* switch the unit and recalculate the value */
value_unit.prototype.unitchg = function v_unit_change()
{
var that = this; // inner function trick
var update_min_max = function(m, a) {
if (that.lp) {
that.lp.min = (100000.0 * that.lp.min * m) / 100000.0;
that.lp.max = (100000.0 * that.lp.max * m) / 100000.0;
that.lp.arm = (100000.0 * that.lp.arm * a) / 100000.0;
}
}
switch (this.unit) {
case "kg":
this.unit = "lb";
this.num = (100000.0 * this.num * g_kg_lbs) / 100000.0;
update_min_max(g_kg_lbs, g_m_inch);
break;
case "lb":
this.unit = "kg";
this.num = (100000.0 * this.num / g_kg_lbs) / 100000.0;
update_min_max(1/g_kg_lbs, 1/g_m_inch);
break;
case "ltr":
this.unit = "usg";
this.num = (100000.0 * this.num * g_ltr_usg) / 100000.0;
update_min_max(g_ltr_usg, g_m_inch);
break;
case "usg":
this.unit = "ltr";
this.num = (100000.0 * this.num / g_ltr_usg) / 100000.0;
update_min_max(1/g_ltr_usg, 1/g_m_inch);
break;
case "qrt":
// TODO XXX implement this
break;
case "min":
// do nothing
break;
default:
alert("Invalid v_unit_change: cannot happen!");
}
}
/*
l_point - a load point object
id: name of the global variable this is assigned to
descr: basic descriptive text for the item
unit: kg, ltr, min
dflt: mass of the load point (default value when constructed)
min: minimum value
max: max value (negative means do-not-print)
arm: moment arm
step: step size for input range element
*/
function l_point(id, descr, unit, dflt, min, max, arm, step)
{
this.id = id;
this.descr = descr;
this.vu = new value_unit(dflt, unit);
this.min = min;
this.max = Math.abs(max);
this.dispmax = (max > 0 ?1:0);
this.arm = arm;
this.step = step;
this.vu.lp = this; // associate the mass object with this
}
/*
a table row with interactive elements
lp: load point object
*/
function interactive_row(lp)
{
this.lp = lp;
this.id = this.lp.id;
this.celli = this.lp.id + "c1"; // interactive cell id
this.cellr = this.lp.id + "c2"; // result cell id
this.sldr = this.lp.id + "s"; // slider element id
}
/* return the descriptive name for the row (first cell) */
interactive_row.prototype.description = function i_descr()
{
var a = '<th>' + this.lp.descr[g_defs.s.lang];
if (this.lp.dispmax)
a += ' (max ' + this.lp.max.toFixed() + ' ' + this.lp.vu.unit +')';
a += '</th>';
return a;
}
/* return the interactive result value of this row (second cell) */
interactive_row.prototype.iresult = function i_iresult()
{
var a = '<td style="background-color:yellow;" id="' + this.celli + '" ' +
'onclick="show_number_entry(\'' + this.celli + '\', \'' + this.sldr + '\')">';
switch (this.lp.vu.unit) {
case "min":
a += this.lp.vu.display();
break;
default:
a += this.lp.vu.display(1);
break;
}
a += '</td>';
return a;
}
/* return the result value of this row (last cell) */
interactive_row.prototype.result = function i_result()
{
var a = '<td id="' + this.cellr + '">';
if (this.lp.fuel_flow !== true) {
switch (this.lp.vu.unit) {
case "min":
a += this.lp.vu.time();
break;
default:
a += this.lp.vu.getmass(1);
break;
}
}
else {
// this is a fuel flow row
var b = new value_unit(this.lp.vu.num, this.lp.vu.unit);
b.unitchg();
a += b.display(1);
}
a += '</td>';
return a;
}
/* generate content for the whole row */
interactive_row.prototype.content = function i_content()
{
var a = this.description();
a += this.iresult();
a += '<th style="text-align:center;padding-right:0px;"> ';
a += '<input id="' + this.sldr +'" ';
a += 'type="range" ';
a += 'min="' + this.lp.min + '" ';
a += 'max="' + this.lp.max + '" value="' + this.lp.vu.num +'" ';
if (this.lp.step)
a += 'step="' + this.lp.step +'" ';
a += 'oninput="user_input_range(this,\'' + this.lp.id + '\')" ';
a += 'onchange="user_input_range(this,\'' + this.lp.id + '\')"/></th>';
a += this.result();
return a;
}
/* actions to do when the units change */
interactive_row.prototype.unitchg = function i_update()
{
var slider = document.getElementById(this.sldr);
this.lp.vu.unitchg();
slider.min = this.lp.min;
slider.max = this.lp.max;
slider.value = this.lp.vu.num;
refresh(this);
}
/*
a table row with interactive checkbox elements
lp: load point object
*/
function cbox_interactive_row(lp)
{
this.lp = lp;
this.id = this.lp.id;
this.celli = null; // checkbox is here, can't be interactive cell id
this.cellr = this.lp.id + "c2"; // result cell id
this.cbox = this.lp.id + "ck"; // checkbox element id
}
/* return the descriptive name for the row (first cell) */
cbox_interactive_row.prototype.description = function i_cdescr()
{
var a = '<th>' + this.lp.descr[g_defs.s.lang] + '</th>';
return a;
}
/* return the result value of this row (last cell) */
cbox_interactive_row.prototype.result = function ic_result()
{
var a = '<td id="' + this.cellr + '">';
a += this.lp.vu.getmass(1);
a += '</td>';
return a;
}
/* generate content for the whole row */
cbox_interactive_row.prototype.content = function ic_content()
{
var chk = (this.lp.max == this.lp.vu.num?"checked":"");
var a = this.description();
a += '<td style="background-color:yellow;text-align:center;" id="' + this.celli + '">';
a += '<input id="' + this.cbox + '" type="checkbox" ' + chk + ' ' +
'onchange="user_checkbox(this, \'' + this.lp.id + '\', ' +
this.lp.min + ', ' + this.lp.max + ')"/>';
a += '</td>';
a += '<th style="font-weight:normal; text-align:center;">. . . . .</th>';
a += this.result();
return a;
}
/* actions to do when the units change */
cbox_interactive_row.prototype.unitchg = function i_update()
{
this.lp.vu.unitchg();
refresh(this);
}
/*
a table row with no interactive elements
lp: the load point for this row
op: special handling according to op
*/
function non_interactive_row(lp, op)
{
this.lp = lp;
this.id = this.lp.id;
this.op = op;
this.lp.up = this; // callback for the load point
this.celli = null; // no interactive cell here
this.cellr = this.lp.id+"c1"; // result cell id
}
/* return the descriptive name for the row (first cell) */
non_interactive_row.prototype.description = function ni_descr()
{
var a = '<th>'+ this.lp.descr[g_defs.s.lang];
if (this.lp.dispmax)
a += " (max "+ this.lp.max.toFixed() + " " + this.lp.vu.unit + ")";
a += '</th>';
return a;
}
/* return the result value for this row */
non_interactive_row.prototype.result = function ni_result()
{
var a = '<td id="' + this.cellr + '"';
a += '>';
switch (this.lp.vu.unit) {
case "min":
a += this.lp.vu.time();
break;
default:
a += this.lp.vu.getmass(1);
break;
}
a += '</td>';
return a;
}
/* generate content for the whole row */
non_interactive_row.prototype.content = function ni_content()
{
var a = this.description();
switch (this.op) {
case "reverse":
a += '<th style="font-weight:normal; text-align:center;">. . .</th>';
a += '<th style="font-weight:normal; text-align:center;">. . . . .</th>';
a += this.result();
break;
default:
a += this.result();
a += '<th style="font-weight:normal; text-align:center;">. . . . .</th>';
a += '<th style="font-weight:normal; text-align:center;">. . .</th>';
break;
}
return a;
}
/* actions to do when the units change */
non_interactive_row.prototype.unitchg = function ni_update()
{
this.lp.vu.unitchg();
refresh(this);
}
/* refresh a row's content */
function refresh(row)
{
document.getElementById(row.id).innerHTML = row.content();
}
/* access localstorage */
function load_defaults()
{
if (typeof(Storage) !== "undefined") {
var i, t = null;
for (var n in g_defs.s) {
i = localStorage.getItem("kaltsi.mb." + g_defs.acft + "." + n);
if (i !== null) {
if (t === null) {
t = setTimeout("load_reminder()", 100);
}
g_defs.s[n] = Number(i);
}
}
/* do language setting chores */
refresh_selectors();
refresh_svg_texts();
document.getElementById("units_select").selectedIndex = g_defs.s.mass;
document.getElementById("lang_select").selectedIndex = g_defs.s.lang;
document.getElementById("settings_select").selectedIndex = g_defs.s.lang;
}
}
/* save to localstorage */
function save_settings()
{
if (typeof(Storage) !== "undefined") {
/* The order of saveables is important!
Normalize the masses to kg before saving.
*/
var savevalues = [
/*SAVEABLE_VALUES*/
g_fs.vu.get_si(),
g_fuel.vu.get_si(),
g_bagg.vu.get_si(),
g_taxi.vu.get_si(),
g_ff.vu.get_si(),
g_ftme.vu.get_si(),
g_cb.vu.get_si(),
/**/
(g_mass_unit=="kg"?0:1),
g_defs.s.lang
];
var i = 0;
for (var n in g_defs.s) {
localStorage.setItem("kaltsi.mb." + g_defs.acft + "." + n, Number(savevalues[i]));
i++;
}
document.getElementById("reminder_cell").
textContent=(g_defs.s.lang == 0?
"Saved these settings":
"Asetukset tallennettu");
setTimeout("remove_reminder()", 3000);
}
}
/* clear the localstorage */
function clear_settings()
{
if (typeof(Storage) !== "undefined") {
for (var n in g_defs.s) {
localStorage.removeItem("kaltsi.mb." + g_defs.acft + "." + n);
}
document.getElementById("reminder_cell").
textContent=(g_defs.s.lang == 0?
"Cleared your default settings":
"Asetukset pyyhitty");
setTimeout("remove_reminder()", 3000);
}
}
/* update the text on the first row */
function refresh_title_row()
{
// correct language
document.getElementById("input_cell").textContent =
(g_defs.s.lang == 0?"Input":"Syöte");
// set the unit name correctly
document.getElementById("mass_title").textContent =
(g_defs.s.lang == 0?
"Mass":
"Massa") +
" (" + g_mass_unit + ")";
}
/* initialize everything when the page is loaded */
function setup()
{
var i = 0;
// calculate the 1 usg fuel -> lb constant
g_defs.usg2lb = (1 / g_ltr_usg) * g_kg_lbs * g_defs.ltr2kg;
/*HIDE_DEBUG*/document.getElementById("debug_button").
setAttribute('style', 'display');/**/
// then load the default values for the sliders
load_defaults();
refresh_title_row();
// update some static elements
document.getElementById("doc_title").textContent=g_defs.acft + " M&B";
document.getElementById("ac_type_hdr").textContent=g_defs.acft_type + " " + g_defs.acft;
document.getElementById("ac_reg").textContent=g_defs.acft;
document.getElementById("origin_text").textContent=g_defs.origin;
var trs = /*TRANSLATE_X*/50/**/;
document.getElementById("translate_group").setAttribute('transform', 'translate(' + trs + ',-450)');
/*
All these are created global, since I'm not using 'var'.
The variable name must be the same as the id.
*/
rows = [ ];
/*REPLACE_TABLE_ROWS*/
g_bw = new l_point("g_bw", ["Basic weight", "Perusmassa"], "kg", 562, 0, -1, 0.770);
rows.push(new non_interactive_row(g_bw, "reverse"));
g_cb = new l_point("g_cb", ["Wheel fairings", "Muotosuojat"], "kg", g_defs.s.g_cb, -3.75, 0, 0.990);
rows.push(new cbox_interactive_row(g_cb));
g_fs = new l_point("g_fs", ["Front seat", "Etupenkki"], "kg", g_defs.s.g_fs, 25, -200, 0.990);
rows.push(new interactive_row(g_fs));
g_fuel = new l_point("g_fuel", ["Fuel", "Polttoaine"], "ltr", g_defs.s.g_fuel, 0, 92.93, 1.070, 0.1);
rows.push(new interactive_row(g_fuel));
g_bagg = new l_point("g_bagg", ["Baggage", "Matkatavaratila"], "kg", g_defs.s.g_bagg, 0, 54, 2.440);
rows.push(new interactive_row(g_bagg));
g_taxi = new l_point("g_taxi", ["Taxi fuel", "Rullauspolttoaine"], "ltr", g_defs.s.g_taxi, 0, -20, 1.070, 0.1);
rows.push(new interactive_row(g_taxi));
g_tow = new l_point("g_tow", ["Take-off mass", "Lähtömassa"], "kg", 0, 0, 757, 1);
rows.push(new non_interactive_row(g_tow));
g_lw = new l_point("g_lw", ["Landing mass", "Laskumassa"], "kg", 0, 0, 700, 1);
rows.push(new non_interactive_row(g_lw));
g_endr = new l_point("g_endr", ["Endurance", "Toiminta-aika"], "min", 0, 1, -800, 0);
rows.push(new non_interactive_row(g_endr));
g_ff = new l_point("g_ff", ["Fuel flow/h", "Kulutus/h"], "ltr", g_defs.s.g_ff, 5, -50, 1, 0.1);
// Mark this a fuel flow row - special handling for result cell
g_ff.fuel_flow = true;
rows.push(new interactive_row(g_ff));
g_ftme = new l_point("g_ftme", ["Flight time", "Lentoaika"], "min", g_defs.s.g_ftme, 1, -300, 0);
rows.push(new interactive_row(g_ftme));
/**/
// This does not necessarily get a row, but acts just as a calculation object.
g_lnd_fuel = new l_point("g_lnd_fuel", ["Landing fuel", "Laskupolttoaine"], "ltr", 0, 0, 0, 0);
for (i = 0; i < rows.length; i++) {
var row = document.getElementById("table1").insertRow(-1);
row.id = rows[i].id;
row.innerHTML = rows[i].content();
}
// make sure the select element shows the first option
document.getElementById("settings_select").selectedIndex = 0;
draw_limits_svg();
calculate();
// if the mass has been updated from its default value of 0
if (g_defs.s.mass == 1) {
var t = { value:"lb_usg" };
handle_unit_change(t);
}
}
/* crunch the numbers */
function calculate()
{
// take-off weight
/*TOW*/g_tow/**/.vu.num = calc_mass(
/*BASIC_WEIGHT*/g_bw/**/,
/*FRONT_SEAT*/g_fs/**/,
/*FUEL*/g_fuel/**/,
/*BAGGAGE*/g_bagg/**/,
/*EXTRA_CALC_MASS*/
g_cb,
/**/
null
);
/*TOW*/g_tow/**/.vu.num -= /*TAXI_FUEL*/g_taxi/**/.vu.getmass();
// landing fuel volume
g_lnd_fuel.vu.num = /*FUEL*/g_fuel/**/.vu.num - (/*FUEL_FLOW*/g_ff/**/.vu.num * /*FLIGHT_TIME*/g_ftme/**/.vu.num) / 60.0 - /*TAXI_FUEL*/g_taxi/**/.vu.num;
// minimum landing fuel (45 mins reserve)
g_lnd_fuel.min = (/*FUEL_FLOW*/g_ff/**/.vu.num * 45.0) / 60.0;
// landing weight
/*LNDW*/g_lw/**/.vu.num = calc_mass(
g_lnd_fuel,
/*FRONT_SEAT*/g_fs/**/,
/*BAGGAGE*/g_bagg/**/,
/*BASIC_WEIGHT*/g_bw/**/,
/*EXTRA_CALC_MASS*/
g_cb,
/**/
null
);
// endurance
/*ENDURANCE*/g_endr/**/.vu.num = ((/*FUEL*/g_fuel/**/.vu.num - /*TAXI_FUEL*/g_taxi/**/.vu.num) / /*FUEL_FLOW*/g_ff/**/.vu.num) * 60.0; // minutes
if (/*ENDURANCE*/g_endr/**/.vu.num < 0)
/*ENDURANCE*/g_endr/**/.vu.num = 0;
// compute the moment values for each load point
calc_moment(/*BASIC_WEIGHT*/g_bw/**/);
calc_moment(/*FRONT_SEAT*/g_fs/**/);
calc_moment(/*BAGGAGE*/g_bagg/**/);
calc_moment(/*TAXI_FUEL*/g_taxi/**/);
calc_moment(/*FUEL*/g_fuel/**/);
/*EXTRA_MASS_CALC_MOMENTS*/
calc_moment(g_cb);
/**/
// take-off moment arm
/*TOW*/g_tow/**/.moment =
/*BASIC_WEIGHT*/g_bw/**/.moment +
/*FRONT_SEAT*/g_fs/**/.moment +
/*BAGGAGE*/g_bagg/**/.moment +
/*EXTRA_MASS_MOMENTS*/
g_cb.moment +
/**/
/*FUEL*/g_fuel/**/.moment -
/*TAXI_FUEL*/g_taxi/**/.moment;
/*TOW*/g_tow/**/.arm = /*TOW*/g_tow/**/.moment / /*TOW*/g_tow/**/.vu.getmass();
// landing moment arm
/*LNDW*/g_lw/**/.moment =
/*BASIC_WEIGHT*/g_bw/**/.moment +
/*FRONT_SEAT*/g_fs/**/.moment +
/*BAGGAGE*/g_bagg/**/.moment +
/*EXTRA_MASS_MOMENTS*/
g_cb.moment +
/**/
(g_lnd_fuel.vu.getmass() * /*FUEL*/g_fuel/**/.arm);
/*LNDW*/g_lw/**/.arm = /*LNDW*/g_lw/**/.moment / /*LNDW*/g_lw/**/.vu.getmass();
debug = document.getElementById("debug");
if (g_defs.debug) {
debug.textContent = /*BASIC_WEIGHT*/g_bw/**/.moment.toFixed(3);
debug.textContent += (" " + /*FRONT_SEAT*/g_fs/**/.moment.toFixed(3));
debug.textContent += (" " + /*BAGGAGE*/g_bagg/**/.moment.toFixed(3));
debug.textContent += (" " + /*TAXI_FUEL*/g_taxi/**/.moment.toFixed(3));
debug.textContent += (" " + /*FUEL*/g_fuel/**/.moment.toFixed(3));
/*EXTRA_DEBUG*//**/
debug.textContent += (" tow.arm=" + /*TOW*/g_tow/**/.arm.toFixed(3));
debug.textContent += (" lnd.arm=" + /*LNDW*/g_lw/**/.arm.toFixed(3));
debug.textContent += (" lnd fuel=" + g_lnd_fuel.vu.display(1));
}
else {
debug.textContent = "";
}
update_cells();
update_svg();
}
/* show a reminder if the user has saved settings */
function load_reminder()
{
document.getElementById("reminder_cell").
textContent=(g_defs.s.lang == 0?
"Loaded default settings":
"Asetukset ladattu");
setTimeout("remove_reminder()", 5000);
}
/* remove the settings reminder */
function remove_reminder()
{
document.getElementById("reminder_cell").textContent="";
}
/* make sure the select elements use the correct language */
function refresh_selectors()
{
var lang = {
"select_settings_title" : ["Settings",
"Asetukset" ],
"select_settings_save" : ["Save",
"Tallenna" ],
"select_settings_clear" : ["Clear",
"Poista" ],
"units_kg_litre" : ["kg & litre",
"kg & litra"]
};
var x = null;
for (var n in lang) {
// update select elements
x = document.getElementById(n);
if (x !== null)
x.text = lang[n][g_defs.s.lang];
}
}
/* set the correct language */
function refresh_svg_texts()
{
document.getElementById("takeoff_text").textContent=
(g_defs.s.lang == 0?"- Take-off":"- Lentoonlähtö");
document.getElementById("landing_text").textContent=
(g_defs.s.lang == 0?"- Landing":"- Lasku");
}
/* change all the language strings */