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Displays flight time/range and cursor range from launch/land closes #7

pull/73/head
jonsowman 2010-06-05 00:59:49 +01:00
rodzic 2db39d1c08
commit f3d0c0af83
3 zmienionych plików z 77 dodań i 14 usunięć
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3
predict/css/pred.css
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@ -103,8 +103,9 @@ a { text-decoration: underline; color: #333; cursor: pointer; }
top: 25px;
right: 0px;
border-right: none;
height:70px;
width: 400px;
text-align:center;
padding: 10px;
}

15
predict/index.php
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@ -133,17 +133,22 @@ function initialize() {
<a id="closeErrorWindow">Close</a>
</div>
<!-- scenario info -->
<div id="scenario_info" class="box">
<h1>Scenario Information</h1>
<a><span id="showHideDebug">Show Debug</span></a></span> |
<a><span id="showHideForm">Hide Launch Card</span></a></span>
<br />
<span id="cursor_info">Current mouse position:
Lat: <span id="cursor_lat">?</span>
Lon: <span id="cursor_lon">?</span>
</span><br />
<span id="cursor_pred">
Put stuff here
</span><br />
<a><span id="showHideDebug">Show Debug</span></a></span> |
<a><span id="showHideForm">Hide Launch Card</span></a></span>
<span id="cursor_pred" style="display:none">
Range: <span id="cursor_pred_range"></span>km,
Flight Time: <span id="cursor_pred_time"></span><br />
Cursor range from launch: <span id="cursor_pred_launchrange">?</span>km,
land: <span id="cursor_pred_landrange">?</span>km
</span>
</div>
<div id="input_form" class="box">

73
predict/js/pred.js
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@ -34,8 +34,21 @@ function populateFormByUUID(pred_uuid) {
}
function showMousePos(GLatLng) {
$("#cursor_lat").html(GLatLng.lat().toFixed(4));
$("#cursor_lon").html(GLatLng.lng().toFixed(4));
var curr_lat = GLatLng.lat().toFixed(4);
var curr_lon = GLatLng.lng().toFixed(4);
$("#cursor_lat").html(curr_lat);
$("#cursor_lon").html(curr_lon);
// if we have a prediction displayed
// show range from launch and land:
if ( current_uuid != 0 && map_items['launch_marker'] != null ) {
var launch_pt = map_items['launch_marker'].position;
var land_pt = map_items['land_marker'].position;
var range_launch = distHaversine(launch_pt, GLatLng);
var range_land = distHaversine(land_pt, GLatLng);
$("#cursor_pred_launchrange").html(range_launch);
$("#cursor_pred_landrange").html(range_land);
}
}
function throwError(data) {
@ -83,6 +96,7 @@ function resetGUI() {
$("#prediction_status").html("");
$("#prediction_progress").progressbar("options", "value", 0);
$("#prediction_percent").html("");
$("#cursor_pred").hide();
// bring the input form back up
toggleWindow("input_form", null, null, null, "show");
toggleWindow("scenario_info", null, null, null, "show");
@ -142,6 +156,8 @@ function parseCSV(lines) {
var land_lon;
var launch_pt;
var land_pt;
var launch_time;
var land_time;
$.each(lines, function(idx, line) {
entry = line.split(',');
if(entry.length >= 4) { // check valid entry length
@ -149,6 +165,7 @@ function parseCSV(lines) {
if ( idx == 0 ) { // get the launch lat/long for marker
launch_lat = entry[1];
launch_lon = entry[2];
launch_time = entry[0];
launch_pt = point;
}
@ -156,6 +173,7 @@ function parseCSV(lines) {
// gives landing position
land_lat = entry[1];
land_lon = entry[2];
land_time = entry[0];
land_pt = point;
if(parseFloat(entry[3]) > max_height) {
@ -169,6 +187,16 @@ function parseCSV(lines) {
appendDebug("Flight data parsed, creating map plot...");
clearMapItems();
// calculate range and time of flight
var range = distHaversine(launch_pt, land_pt, 1);
var flighttime = land_time - launch_time;
var f_hours = Math.floor((flighttime % 86400) / 3600);
var f_minutes = Math.floor(((flighttime % 86400) % 3600) / 60);
flighttime = f_hours + "hr" + f_minutes;
$("#cursor_pred_range").html(range);
$("#cursor_pred_time").html(flighttime);
$("#cursor_pred").show();
// make some nice icons
var launch_icon = new google.maps.MarkerImage(launch_img,
new google.maps.Size(16,16),
@ -212,10 +240,12 @@ function parseCSV(lines) {
});
// now add the launch/land markers to map
map_items.push(launch_marker);
map_items.push(land_marker);
map_items.push(pop_marker);
map_items.push(path_polyline);
// we might need these later, so push them
// associatively
map_items['launch_marker'] = launch_marker;
map_items['land_marker'] = land_marker;
map_items['pop_marker'] = pop_marker;
map_items['path_polyline'] = path_polyline;
// pan to the new position
map.panTo(launch_pt);
@ -238,7 +268,7 @@ function plotClick() {
icon: 'images/target-1-sm.png',
title: 'Currently selected launch location ('+click_lat+', '+click_lon+')'
});
map_items.push(clickMarker);
map_items['clickMarker'] = clickMarker;
map.panTo(click_pt);
map.setZoom(8);
}
@ -293,7 +323,8 @@ function enableMap(map, state) {
}
function clearMapItems() {
if(map_items.length > 0) {
$("#cursor_pred").hide();
if(getAssocSize(map_items) > 0) {
appendDebug("Clearing previous map trace");
for(i in map_items) {
map_items[i].setMap(null);
@ -302,6 +333,14 @@ function clearMapItems() {
map_items = [];
}
function getAssocSize(arr) {
var i = 0;
for ( j in arr ) {
i++;
}
return i;
}
function appendDebug(appendage, clear) {
if ( clear == null ){
var curr = $("#debuginfo").html();
@ -375,3 +414,21 @@ function SetSiteOther() {
optOther.selected = true;
}
rad = function(x) {return x*Math.PI/180;}
distHaversine = function(p1, p2, precision) {
var R = 6371; // earth's mean radius in km
var dLat = rad(p2.lat() - p1.lat());
var dLong = rad(p2.lng() - p1.lng());
var a = Math.sin(dLat/2) * Math.sin(dLat/2) +
Math.cos(rad(p1.lat())) * Math.cos(rad(p2.lat())) * Math.sin(dLong/2) * Math.sin(dLong/2);
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
var d = R * c;
if ( precision == null ) {
return d.toFixed(3);
} else {
return d.toFixed(precision);
}
}