";
document.getElementById("spectra_results").innerHTML = out;
} //end ready state = 4
} //end function
function save_spectra(sp_action, text_fn, div_id, sp_type, tool) {
var user_status = get_user_status();
var user_name = get_user_name();
if(sp_action == "save") {
var pout = "";
var pif = "prof_info_" + div_id;
if(user_status == "on") {
pout = "
Spectra Name:
";
pout+= "Description:
";
pout+= "Please do not use any special characters in the description.
";
pout+= " ";
document.getElementById(pif).innerHTML = "";
document.getElementById(pif).innerHTML = pout;
document.getElementById("spectra_name_" + div_id).focus();
}
else {
document.getElementById("ps_ascii_div").innerHTML = "Saved spectra are only available to active subscribers. Please login above, or Subscribe ";
document.getElementById(pif).innerHTML = "";
document.getElementById(pif).innerHTML = "";
}
} //end sp_action = save
else {
var pstr = "spectra_name_" + div_id;
var prof_name = document.getElementById(pstr).value;
prof_name = prof_name.replace(re, "");
prof_name = trim(prof_name);
if(prof_name.length > 0) {
var saved_params = "user_name=" + user_name + "&txt_fn=" + text_fn + "&spectra_name=" + prof_name + "&type=" + sp_type + "&tool=" + tool + "&divid=" + div_id;
var sp_desc = document.getElementById("spectra_desc").value;
// remove special characters like "$" and "," etc...
sp_desc = sp_desc.replace(re, "");
var re_ret = RegExp( "\\r", "g" );
sp_desc = sp_desc.replace(re_ret, " ");
var re_ret2 = RegExp( "\\n", "g" );
sp_desc = sp_desc.replace(re_ret2, " ");
saved_params+="&desc=" + sp_desc;
sp2_http = getHTTPObject();
sp2_http.open("POST", "../spectra/save_spectra.php", true);
sp2_http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
sp2_http.setRequestHeader("Content-length", saved_params.length);
sp2_http.setRequestHeader("Connection", "close");
sp2_http.onreadystatechange = spectra_res;
sp2_http.send(saved_params);
}
else {
window.alert("Spectra name can not be blank or contain invalid characters.");
}
} //end else
} //end save_spectra
function spectra_res() {
if(sp2_http.readyState == 4) {
var response = sp2_http.responseXML;
var response1 = response.getElementsByTagName('res').item(0).firstChild.data;
var div_id = response.getElementsByTagName('divid').item(0).firstChild.data;
var sname = response.getElementsByTagName('sname').item(0).firstChild.data;
var result = response.getElementsByTagName('result').item(0).firstChild.data;
var res_divStr = "prof_info_" + div_id;
var res_div = document.getElementById(res_divStr);
if (result == "passed") {
res_div.innerHTML = "
Spectra " + sname + " has been saved to My Spectra.";
}
else {
var err_msg = response.getElementsByTagName('err_msg').item(0).firstChild.data;
res_div.innerHTML = "The following error has occurred: " + err_msg; // please try to save your spectra again.";
}
}
}
//if the option selected is plot, product or difference show plot options,
// if not, remove the plot options information.
function update_select() {
var sel_val = document.getElementById("spectra_select").value;
document.getElementById("error_div").innerHTML = "";
var str = "";
if(sel_val == "rename") {
str = "Enter new name here: ";
}
else if(sel_val == "difference") {
str = "
";
} //end sel_val = doppler
else {
str = "";
}
document.getElementById("spectra_options").innerHTML = str;
if(sel_val == "difference") {
show_difference_options();
}
}
function convert_units() {
var Cunits = document.getElementById("spectra_units").value;
var num_spectra = document.getElementById("num_spectra").value;
var ll_val = 0;
var ul_val = 0;
var ll_temp = 0;
var ul_temp = 0;
for(q=0; q < num_spectra; q++) {
ll_val = document.getElementById("llVal" + q).value;
ul_val = document.getElementById("ulVal" + q).value;
if(Cunits == "microns") {
ll_temp = 10000/parseFloat(ul_val);
ul_temp =10000/parseFloat(ll_val);
}
else {
ll_temp = 10000/parseFloat(ul_val);
ul_temp =10000/parseFloat(ll_val);
}
var ll_prec = ll_temp.toFixed(4);
var ul_prec = ul_temp.toFixed(4);
document.getElementById("ll" + q).innerHTML = ll_prec;
document.getElementById("ul" + q).innerHTML = ul_prec;
document.getElementById("llVal" + q).value = ll_temp;
document.getElementById("ulVal" + q).value = ul_temp;
}
var spec_act = document.getElementById("spectra_select").value;
//if the select menu is plot, product or difference check to see if the spectra range option is checked.
//if it is checked, change the units to microns.
if((spec_act == "plot_spectra") || (spec_act == "product") || (spec_act == "difference")) {
var range_option = document.getElementById("spectra_range").checked;
if(range_option == true) {
var xmin_units = "cm-1";
var xmax_units = "cm-1";
if(Cunits == "microns") {
xmin_units = "µm";
xmax_units = "µm";
}
document.getElementById("xmin_units").innerHTML = xmin_units;
document.getElementById("xmax_units").innerHTML = xmax_units;
}
}
}
//this function shows an x-min and x-max if the user selects that they want to specify the x range.
function show_range(){
var range_option = document.getElementById("spectra_range").checked;
var range_span = document.getElementById("range_span");
var out = "";
var xmin_units = "cm-1";
var xmax_units = "cm-1";
var Cunits = document.getElementById("spectra_units").value;
if(Cunits == "microns") {
xmin_units = "µm";
xmax_units = "µm";
}
if(range_option == true) { //selected specify range, show input boxes.
out = "
X-min:
";
out+= " " + xmin_units + "
";
out+= "
X-max:
";
out+= " " + xmax_units + "
";
out+= "
Valid range is between 0 and 100000
";
out+="
";
}
else { //user does not want to specify range.
out = "";
}
range_span.innerHTML = out;
}
//this function shows a y-min and y-max if the user selects that they want to specify the y range.
function show_Y_range(){
var range_option = document.getElementById("y_range").checked;
var range_span = document.getElementById("Yrange_span");
var out = "";
if(range_option == true) { //selected specify range, show input boxes.
out = "
Y-min:
";
out+= "
";
out+= "
Y-max:
";
out+= "
";
out+="
";
}
else { //user does not want to specify range.
out = "";
}
range_span.innerHTML = out;
}
//this function checks which plot type is selected (difference, product etc).
//if the doppler shift is selected it will refresh the list of options under the doppler.
function show_doppler() {
var spec_act = document.getElementById("spectra_select").value;
if((spec_act == "plot_spectra") || (spec_act == "product") || (spec_act == "difference") || (spec_act == "sum")) {
var doppler_option = document.getElementById("doppler_shift").checked;
var doppler_span = document.getElementById("doppler_span");
var boxes_checked = document.forms['spectra_form'].elements['spectra_list'];
var boxes_length = boxes_checked.length;
var num_cked = 0;
var cked_rec = new Array();
var out = "";
if(doppler_option == true) { //selected doppler shift, show input boxes.
out+= "
km/s";
num_cked++
}
} //end for loop
} //end else more than 1 checkbox
out+="
Valid range is between -100 and 100
";
if(num_cked == 0) { //if no spectra selected show error message.
out = "You must select at least one spectra to apply a doppler shift.";
}
}
doppler_span.innerHTML = out;
}
if(spec_act == "difference") {
show_difference_options();
}
} //end function show_doppler
//this function will list the 2 selected spectra and allow the user to pick how the spectra are differenced.
function show_difference_options() {
var order_option = document.getElementById("diff_option").checked;
var out = "";
var boxes_checked = document.forms['spectra_form'].elements['spectra_list'];
var boxes_length = boxes_checked.length;
var diff_span = document.getElementById("difference_span");
var num_cked = 0;
if(isNaN(parseInt(boxes_length))) { //only one check box, 2 needed to perform calculation.
num_cked = 1;
} //end if isNan
else {
var repl_str = "";
var temp_val = "";
var temp_val2 = "";
for(var i=0; i < boxes_length; i++) {
if(boxes_checked[i].checked == true) {
temp_val = document.getElementById("snmName" + i).value;
difference_array_name[num_cked] = temp_val;
temp_val2 = document.getElementById("spectra_list" + i).value;
temp_val2 = temp_val2.split("_");
difference_array[num_cked] = temp_val2[0];
num_cked++
}
} //end for loop
} //end else more than 1 checkbox
if(order_option == true) {
if(parseInt(num_cked) != 2) {
out = "please specify exactly two spectra for difference operation. ";
diff_span.innerHTML = out;
}
else {
show_diff_list();
}
} //end if order_option = true (box is checked)
else {
diff_span.innerHTML = out;
}
} //end function show_difference_options
//this function is used to swap the order of difference spectra when the user presses the "swap" button.
function swap_diff_list() {
var diff_name0 = difference_array_name[0];
var diff_val0 = difference_array[0];
var diff_name1 = difference_array_name[1];
var diff_val1 = difference_array[1];
var diff_doppler0 = difference_doppler_val[0];
var diff_doppler1 = difference_doppler_val[1];
difference_array_name[0] = diff_name1;
difference_array_name[1] = diff_name0;
difference_array[0] = diff_val1;
difference_array[1] = diff_val0;
difference_doppler_val[0] = diff_doppler1;
difference_doppler_val[1] = diff_doppler0;
show_diff_list();
}
function show_diff_list() {
var diff_span = document.getElementById("difference_span");
var out = "
";
diff_span.innerHTML = out;
}
//this function checks the values in the doppler shift inputs.
function check_doppler(num_cked) {
var doppler_array = new Array();
var doppler_sel = document.getElementById("doppler_shift").checked;
var err_msg = "none";
if(doppler_sel == true) { //return values if correct, error message if not.
var doppler_val = 0;
doppler_array[0] = "doppler";
var doppler_msg = "pass";
var count = 3;
for(var q=0; q < num_cked; q++) {
doppler_val = document.getElementById("doppler" + q).value;
doppler_array[count] = doppler_val;
doppler_val = Math.abs(doppler_val);
if((doppler_val) < 0 || (doppler_val > 100)) {
doppler_msg = "fail";
err_msg = "Doppler values must be between -100 and 100.";
}
count++;
}
doppler_array[1] = doppler_msg;
doppler_array[2] = err_msg;
} //end if doppler_val = true
else {
doppler_array[0] = "nodoppler";
}
return doppler_array;
}
//check to make sure the ranges entered for xmin and xmax are valid.
function check_range(sp_xmin, sp_xmax) {
var specify_range = document.getElementById("spectra_range").checked;
var range_array = new Array();
var range_result = "pass";
var range_err = "";
if(specify_range == true) {
range_array[0] = "range";
var xmin = document.getElementById("spectra_xmin");
var xmin_val = xmin.value;
var xmax = document.getElementById("spectra_xmax");
var xmax_val = xmax.value;
var range_err = "";
var spectra_units = document.getElementById("spectra_units").value;
// var min_overlap = 0.0001;
var sel_units = "cm-1";
if(parseFloat(xmin_val) > parseFloat(xmax_val)) {
var tempMin = xmin_val;
xmin_val = xmax_val;
xmax_val = tempMin;
xmin.value = xmin_val;
xmax.value = xmax_val;
}
range_array[3] = xmin_val;
range_array[4] = xmax_val;
if(parseFloat(xmin_val) < 0) {
range_result = "fail";
range_err="X-min value must be greater than/equal to 0. ";
}
if((parseFloat(xmax_val) <= 0) || (parseFloat(xmax_val) > 100000)) {
range_result = "fail";
range_err="X-max values must be greater than 0 and less than/equal to 100,000 cm-1. ";
}
if((parseFloat(xmin_val) > parseFloat(sp_xmax)) || (parseFloat(xmax_val) < parseFloat(sp_xmin))) {
range_result = "fail";
range_err+= "User defined x-axis values must fall within the actual x-axis range of the spectra being plotted. ";
}
if(spectra_units == "microns") {
sel_units = "µm";
}
range_array[1] = range_result;
range_array[2] = range_err;
}
else {
range_array[0] = "norange";
}
return range_array
}
//this function will show the option for the user to enter an offset value.
function show_offset() {
var os_out = "";
var offset_val = document.getElementById("plot_offset").checked;
if(offset_val == true) {
os_out = "
Offset:
";
os_out+= "
Valid range is between 0 and 2
";
} //end offset_val = true
document.getElementById("offset_span").innerHTML = os_out;
} //end function show_offset
//this function will check the offset for proper values and return
//the value or any error messages.
function check_offset() {
var offset_array = new Array();
var offset_sel = document.getElementById("plot_offset").checked;
if(offset_sel == true) { //return values if correct, error message if not.
var offset_val = document.getElementById("offset_val").value;
var offset_msg = "pass";
offset_array[0] = "offset";
offset_array[1] = offset_val;
// offset_val = Math.abs(offset_val);
if((offset_val > 2) || (offset_val < 0) || isNaN(parseFloat(offset_val))) {
offset_msg = "Offset values must be between 0 and 2.";
} //end if abs(offset_val) <=2
offset_array[2] = offset_msg;
} //end if offset_val = true
else {
offset_array[0] = "nooffset";
}
return offset_array;
} //end check_offset
function generate_PsPdf_files(estr, ptype, fn, act) {
var ps_pdf_params = "action=" + act + "&exstr=" + estr + "&fn=" + fn + "&ptype=" + ptype;
document.getElementById("ps_pdf_file" + fn).innerHTML = "
Generating
";
ps_pdf_http = getHTTPObject();
ps_pdf_http.open("POST", "get_ps_pdf.php", true);
ps_pdf_http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
ps_pdf_http.setRequestHeader("Content-length", ps_pdf_params.length);
ps_pdf_http.setRequestHeader("Connection", "close");
ps_pdf_http.onreadystatechange = show_ps_pdf;
ps_pdf_http.send(ps_pdf_params);
} //end generate_pspdf_files
function show_ps_pdf() {
if(ps_pdf_http.readyState == 4) {
var ps_file = ps_pdf_http.responseText;
var file_info = ps_file.split(':');
var file_type = file_info[0];
var file_name = file_info[1];
var spn_info = file_name.split('.');
var spn_num = spn_info[0];
var pspdf_link = "plots/" + file_name;
var outstr = "" + file_type + " Image ";
document.getElementById("ps_pdf_file" + spn_num).innerHTML = outstr; }
} //end show_ps function
//this function is used to check the check box next to the spectra name when the user clicks on the spectra name.
function change_SPCclicked(click_action) {
var boxes_checked = document.forms['spectra_form'].elements['spectra_list'];
if(boxes_checked[click_action].checked == true) {
boxes_checked[click_action].checked = false;
}
else {
boxes_checked[click_action].checked = true;
}
show_doppler();
} //end function change_SPCclicked
//this function will check the name entered on the spectra upload form to make sure
//they arent entering an empty name.
function check_empty_name() {
var sp_name = document.getElementById("spectra_name").value;
sp_name = sp_name.replace(re, "");
sp_name = trim(sp_name);
document.getElementById("spectra_name").value = sp_name;
if(parseInt(sp_name.length) < 1) {
var err_str = "Error: Spectra name can not be blank or contain invalid characters, please enter a name. ";
err_str+="please click here for a list of valid characters.";
document.getElementById("error_div").innerHTML = err_str;
}
else {
document.getElementById("error_div").innerHTML = "";
document.spectra_upload.submit();
}
}
function trim(stringToTrim) {
return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function ltrim(stringToTrim) {
return stringToTrim.replace(/^\s+/,"");
}
function rtrim(stringToTrim) {
return stringToTrim.replace(/\s+$/,"");
}
//this function is used to sort the spectra by the selected parameter.
function order_spectra(order_by_val) {
var order_info = document.getElementById("order_by");
var curr_order = order_info.value;
if(curr_order == order_by_val) {
if(document.getElementById("asc_desc_order").value == "ASC"){
document.getElementById("asc_desc_order").value = "DESC";
}
else {
document.getElementById("asc_desc_order").value = "ASC"
}
}
order_info.value = order_by_val;
document.spectra_form.submit();
}
![](plots/" + fn + ".png)