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volume-viewer-demo.js
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/*
* BrainBrowser: Web-based Neurological Visualization Tools
* (https://brainbrowser.cbrain.mcgill.ca)
*
* Copyright (C) 2011
* The Royal Institution for the Advancement of Learning
* McGill University
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Author: Tarek Sherif <[email protected]> (http://tareksherif.ca/)
* Author: Nicolas Kassis
*/
// This script is meant to be a demonstration of how to
// use most of the functionality available in the
// BrainBrowser Volume Viewer.
$(function () {
"use strict";
var loading_div = $("#loading");
$(".button").button();
$("#results_colormap_vol_con").click();
window.cmap_url={
surf:BrainBrowser.config.get("color_maps_surf")[0].url,
vol:BrainBrowser.config.get("color_maps_vol")[0].url,
}
$("#volume-controls").tabs();
var html = document.querySelector('html');
html.style.fontSize = document.documentElement.clientWidth / 100 + 'px';
/////////////////////////////////////
// Start running the Volume Viewer
/////////////////////////////////////
window.viewer = BrainBrowser.VolumeViewer.start("volume-browser", function (viewer) {
///////////////////////////
// Set up global UI hooks.
///////////////////////////
$("#volume-type").change(function () {
$("#sync-volumes-wrapper").hide();
$("#volume-file").hide();
if ($(this).val() === "functional_minc") {
viewer.clearVolumes();
viewer.loadVolume({
type: "minc",
header_url: "models/functional.mnc.header",
raw_data_url: "models/functional.mnc.raw",
template: {
element_id: "volume-ui-template",
viewer_insert_class: "volume-viewer-display"
}
}, function () {
$(".slice-display").css("display", "inline");
$(".volume-controls").css("width", "auto");
});
} else if ($(this).val() === "structural_minc") {
$("#sync-volumes-wrapper").show();
viewer.clearVolumes();
viewer.loadVolumes({
volumes: [{
type: "minc",
header_url: "models/structural1.mnc.header",
raw_data_url: "models/structural1.mnc.raw",
template: {
element_id: "volume-ui-template",
viewer_insert_class: "volume-viewer-display"
}
},
{
type: 'minc',
header_url: "models/structural2.mnc.header",
raw_data_url: "models/structural2.mnc.raw",
template: {
element_id: "volume-ui-template",
viewer_insert_class: "volume-viewer-display"
}
}
],
overlay: {
template: {
element_id: "overlay-ui-template",
viewer_insert_class: "overlay-viewer-display"
}
}
});
} else if ($(this).val() === "NIfTI-1") {
$("#sync-volumes-wrapper").show();
viewer.clearVolumes();
viewer.loadVolumes({
volumes: [{
type: "nifti1",
nii_url: "models/functional.nii",
template: {
element_id: "volume-ui-template",
viewer_insert_class: "volume-viewer-display"
}
},
{
type: 'nifti1',
nii_url: "models/structural.nii",
template: {
element_id: "volume-ui-template",
viewer_insert_class: "volume-viewer-display"
}
}
],
overlay: {
template: {
element_id: "overlay-ui-template",
viewer_insert_class: "overlay-viewer-display"
}
}
});
}
});
$("#download-nifti1").click(function(){
window.viewer.download_Req('models/MNICC07mm_XXmask_final_final_131.nii')
})
// Change viewer panel canvas size.
$("#panel-size").change(function () {
var size = parseInt($(this).val(), 10);
if (size < 0) {
viewer.setAutoResize(true, 'volume-controls');
$('#brainbrowser-wrapper').css("width", "90%");
$('#volume-viewer').css("width", "100%");
$('#brainbrowser').css("width", "100%");
viewer.doAutoResize();
} else {
viewer.setAutoResize(false);
$('#brainbrowser-wrapper').css("width", "60em");
$('#volume-viewer').css("width", "");
$('#brainbrowser').css("width", "");
$('.volume-controls').css("width", "");
viewer.setPanelSize(size, size, {
scale_image: true
});
}
});
// Should cursors in all panels be synchronized?
$("#sync-volumes").change(function () {
var synced = $(this).is(":checked");
if (synced) {
viewer.resetDisplays();
viewer.redrawVolumes();
}
viewer.synced = synced;
});
// This will create an image of all the display panels
// currently being shown in the viewer.
$("#screenshot").click(function () {
var width = 0;
var height = 0;
var active_panel = viewer.active_panel;
// Create a canvas on which we'll draw the images.
var canvas = document.createElement("canvas");
var context = canvas.getContext("2d");
var img = new Image();
viewer.volumes[2].display.forEach(function (panel) {
width = Math.max(width, panel.canvas.width);
height = Math.max(height, panel.canvas.height);
});
canvas.width = width * viewer.volumes.length*0.35;
canvas.height = height*0.8;
context.fillStyle = "#9b9b9b";
context.fillRect(0, 0, canvas.width, canvas.height);
// The active canvas is highlighted by the viewer,
// so we set it to null and redraw the highlighting
// isn't shown in the image.
if (active_panel) {
active_panel.updated = true;
viewer.active_panel = null;
viewer.draw();
}
viewer.volumes[2].display.forEach(function (panel, axis_name, y) {
context.drawImage(panel.canvas, 0 * width, 0 * height);
});
// Restore the active canvas.
if (active_panel) {
active_panel.updated = true;
viewer.active_panel = active_panel;
viewer.draw();
}
// Show the created image in a dialog box.
img.onload = function () {
$("<div></div>").append(img).dialog({
title: "Slices",
height: img.height*1.2,
width: img.width*1.05,
position: [ $(window).width() / 9,$(window).height() / 3 ]
});
};
img.src = canvas.toDataURL();
});
$("[name=voxelSizeSelect]").change(function () {
window.loading_con = 0;
window.surfviewer.stamp_condition();
if (Number($("[name=voxelSizeSelect]:checked").val()) > 3) {
$("#color-map-select-vol").val("color-maps/spectral-brainview.txt");
window.cmap_url.vol="color-maps/spectral-brainview.txt";
;
window.viewer.uploadData('models/' + $("[name=voxelSizeSelect]:checked").val() + '.nii', true);
}
else{
window.viewer.uploadData('models/MNICC07mm_XXmask_final_final_131.nii', true);
}
});
$("[name=volume-file-type]").change(function(){
let dir=$("[name=volume-file-type]:checked").val();
console.log(dir)
if(dir=="Group_result2/"){
window.loading_con=0;
window.surfviewer.stamp_condition();
document.getElementById("surface-controls").getElementsByTagName('a')[0].click();
window.viewer.uploadData('models/MNICC07mm_XXmask_final_final_131.nii', true);
surfviewer.getDataURL(surfviewer.model_data.get(), surfviewer, function (url, viewer, colormap, template) {
viewer.loadfromURL(url, viewer, colormap, template)
});
}else{
window.loading_con=3;
window.viewer.datadir = 'save-file/' + dir + '/json/data.nii';
viewer.uploadData('save-file/' + dir + '/json/data.nii', false);
window.surfviewer.loadColorMapFromURL($('#color-map-select').val());
window.surfviewer.resultPanel(window.surfviewer);
window.surfviewer.stamp_condition();
document.getElementById("volume-controls").getElementsByTagName('a')[0].click();
document.getElementById("surface-controls").getElementsByTagName('a')[1].click();
let info = window.surfviewer.model_data.get();
window.surfviewer.getDataURL(info, window.surfviewer, function (url, viewer, colormap, template) {
viewer.loadfromURL(url, viewer, colormap, template)
});
}
});
// Load a new model from a MINC file that the user has
// selected.
$("#volume-file-minc-submit").click(function () {
viewer.clearVolumes();
viewer.loadVolume({
type: "minc",
header_file: document.getElementById("header-file"),
raw_data_file: document.getElementById("raw-data-file"),
template: {
element_id: "volume-ui-template",
viewer_insert_class: "volume-viewer-display"
}
}, function () {
$(".slice-display").css("display", "inline");
$(".volume-controls").css("width", "auto");
});
});
$("#fake-file-upload").click(function () {
$("#nifti1-file").click();
})
$("#nifti1-file").change(function () {
console.log('nifti1-file clicked')
// Load a new model from a NIfTI-1 file that the user has
// selected.
// $("#volume-file-nifti1-submit").click(function () {
console.log('volume uploaded');
viewer.clearVolumes();
$("#loading").show();
window.viewer.uploadMask(function (res) {
if (res.err) {
alert(res.err);
} else if (res.stderr) {
alert(res.stderr);
}
if (res.std) {
alert(res.std);
}
if (!res.stderr && !res.err) {
window.viewer.changeMask(res, function () {
window.viewer.datadir = 'save-file/' + $("[name=volume-file-type]:checked").val() + '/json/data.nii';
viewer.uploadData('save-file/' + res.path + '/json/data.nii', false);
window.surfviewer.loadColorMapFromURL($('#color-map-select').val());
window.surfviewer.resultPanel(window.surfviewer);
window.loading_con=3;
window.surfviewer.stamp_condition();
document.getElementById("volume-controls").getElementsByTagName('a')[0].click();
document.getElementById("surface-controls").getElementsByTagName('a')[1].click();
let info = window.surfviewer.model_data.get();
window.surfviewer.getDataURL(info, window.surfviewer, function (url, viewer, colormap, template) {
viewer.loadfromURL(url, viewer, colormap, template)
});
});
}
});
// });
})
// Load a new model from a MGH file that the user has
// selected.
$("#volume-file-mgh-submit").click(function () {
viewer.clearVolumes();
viewer.loadVolume({
type: "mgh",
file: document.getElementById("mgh-file"),
template: {
element_id: "volume-ui-template",
viewer_insert_class: "volume-viewer-display"
}
}, function () {
$(".slice-display").css("display", "inline");
$(".volume-controls").css("width", "auto");
});
});
$(document).keypress(function (e) {
if (e.keyCode === 114) {
// Reset displays if user presses 'r' key.
viewer.resetDisplays();
viewer.redrawVolumes();
}
});
/**
* @doc function
* @name viewer.setAutoResize
* @param {boolean} flag Whether we should auto-resize the views.
* @param {string} class_name The name of the class associated with volume
* controls.
*
* @description
* Enable or disable auto-resizing mode.
* ```js
* viewer.setAutoResize(true, 'volume-controls');
* ```
*/
viewer.setAutoResize = function (flag, class_name) {
viewer.auto_resize = flag;
viewer.volume_control_class = class_name;
};
/**
* @doc function
* @name viewer.doAutoResize
* @description
* This function implements auto-resizing of the volume panels
* when the window itself is resized. It should therefore be invoked
* as part of a window resize notification.
*/
viewer.doAutoResize = function () {
if (!viewer.auto_resize) {
return;
}
function getIntProperty(class_name, prop_name) {
return parseInt($(class_name).css(prop_name).replace('px', ''), 10);
}
/* Assumes at least three views or three volumes across.
*/
var n = Math.max(viewer.volumes.length, 3);
var ml = getIntProperty('.slice-display', 'margin-left');
var mr = getIntProperty('.slice-display', 'margin-right');
var size = $('#' + viewer.dom_element.id).width() / n - (ml + mr);
viewer.setDefaultPanelSize(size, size);
viewer.setPanelSize(size, size, {
scale_image: true
});
if (viewer.volume_control_class) {
var pd = getIntProperty("." + viewer.volume_control_class, 'padding');
$("." + viewer.volume_control_class).width(size - pd * 2);
}
};
window.addEventListener('resize', viewer.doAutoResize, false);
//////////////////////////////////
// Per volume UI hooks go in here.
//////////////////////////////////
viewer.addEventListener("volumeuiloaded", function (event) {
var container = event.container;
var volume = event.volume;
var vol_id = event.volume_id;
container = $(container);
container.find(".button").button();
// The world coordinate input fields.
container.find(".world-coords").change(function () {
var div = $(this);
var x = parseFloat(div.find("#world-x-" + vol_id).val());
var y = parseFloat(div.find("#world-y-" + vol_id).val());
var z = parseFloat(div.find("#world-z-" + vol_id).val());
// Make sure the values are numeric.
if (!BrainBrowser.utils.isNumeric(x)) {
x = 0;
}
if (!BrainBrowser.utils.isNumeric(y)) {
y = 0;
}
if (!BrainBrowser.utils.isNumeric(z)) {
z = 0;
}
// Set coordinates and redraw.
if (viewer.synced) {
viewer.volumes.forEach(function (volume) {
volume.setWorldCoords(x, y, z);
});
} else {
viewer.volumes[vol_id].setWorldCoords(x, y, z);
}
viewer.redrawVolumes();
});
// The world coordinate input fields.
container.find(".voxel-coords").change(function () {
var div = $(this);
var i = parseInt(div.find("#voxel-i-" + vol_id).val(), 10);
var j = parseInt(div.find("#voxel-j-" + vol_id).val(), 10);
var k = parseInt(div.find("#voxel-k-" + vol_id).val(), 10);
// Make sure the values are numeric.
if (!BrainBrowser.utils.isNumeric(i)) {
i = 0;
}
if (!BrainBrowser.utils.isNumeric(j)) {
j = 0;
}
if (!BrainBrowser.utils.isNumeric(k)) {
k = 0;
}
// Set coordinates and redraw.
viewer.volumes[vol_id].setVoxelCoords(i, j, k);
if (viewer.synced) {
var synced_volume = viewer.volumes[vol_id];
var wc = synced_volume.getWorldCoords();
viewer.volumes.forEach(function (volume) {
if (synced_volume !== volume) {
volume.setWorldCoords(wc.x, wc.y, wc.z);
}
});
}
viewer.redrawVolumes();
});
// Load a color map select by the user.
container.find(".color-map-file").change(function () {
console.log(viewer)
viewer.loadVolumeColorMapFromFile(vol_id, this, "#FF0000", function () {
viewer.redrawVolumes();
});
});
// Change the range of intensities that will be displayed.
container.find(".threshold-div").each(function () {
var div = $(this);
// Input fields to input min and max thresholds directly.
var min_input = div.find("#min-threshold-" + vol_id);
var max_input = div.find("#max-threshold-" + vol_id);
// Slider to modify min and max thresholds.
var slider = div.find(".slider");
var volume = viewer.volumes[vol_id];
// Update the input fields.
min_input.val(volume.getVoxelMin());
max_input.val(volume.getVoxelMax());
slider.slider({
range: true,
min: volume.getVoxelMin(),
max: volume.getVoxelMax(),
values: [volume.getVoxelMin(), volume.getVoxelMax()],
step: 1,
slide: function (event, ui) {
var values = ui.values;
// Update the input fields.
min_input.val(values[0]);
max_input.val(values[1]);
// Update the volume and redraw.
volume.intensity_min = values[0];
volume.intensity_max = values[1];
viewer.redrawVolumes();
},
stop: function () {
$(this).find("a").blur();
}
});
container.find(".time-div").each(function () {
var div = $(this);
if (volume.header.time) {
div.show();
} else {
return;
}
var slider = div.find(".slider");
var time_input = div.find("#time-val-" + vol_id);
var min = 0;
var max = volume.header.time.space_length - 1;
slider.slider({
min: min,
max: max,
value: 0,
step: 1,
slide: function (event, ui) {
var value = +ui.value;
time_input.val(value);
volume.current_time = value;
viewer.redrawVolumes();
},
stop: function () {
$(this).find("a").blur();
}
});
});
// Create an image of all slices in a certain
// orientation.
container.find(".slice-series-div").each(function () {
var div = $(this);
var space_names = {
xspace: "Sagittal",
yspace: "Coronal",
zspace: "Transverse"
};
div.find(".slice-series-button").click(function () {
var axis_name = $(this).data("axis");
var axis = volume.header[axis_name];
var space_length = axis.space_length;
var time = volume.current_time;
var per_column = 10;
var zoom = 0.5;
var i, x, y;
// Canvas on which to draw the images.
var canvas = document.createElement("canvas");
var context = canvas.getContext("2d");
// Get first slice to set dimensions of the canvas.
var image_data = volume.getSliceImage(volume.slice(axis_name, 0, time), zoom);
console.log({
"image_data": image_data
})
var img = new Image();
canvas.width = per_column * image_data.width;
canvas.height = Math.ceil(space_length / per_column) * image_data.height;
context.fillStyle = "#888888";
context.fillRect(0, 0, canvas.width, canvas.height);
// Draw the slice on the canvas.
context.putImageData(image_data, 0, 0);
// Draw the rest of the slices on the canvas.
for (i = 1; i < space_length; i++) {
image_data = volume.getSliceImage(volume.slice(axis_name, i, time), zoom);
x = i % per_column * image_data.width;
y = Math.floor(i / per_column) * image_data.height;
context.putImageData(image_data, x, y);
}
// Retrieve image from canvas and display it
// in a dialog box.
img.onload = function () {
$("<div></div>").append(img).dialog({
title: space_names[axis_name] + " Slices",
height: 600,
width: img.width
});
};
img.src = canvas.toDataURL();
});
});
// Blend controls for a multivolume overlay.
container.find(".blend-div").each(function () {
var div = $(this);
var slider = div.find(".slider");
var blend_input = div.find("#blend-val");
// Slider to select blend value.
slider.slider({
min: 0,
max: 1,
step: 0.01,
value: 0.5,
slide: function (event, ui) {
var value = parseFloat(ui.value);
volume.blend_ratios[0] = 1 - value;
volume.blend_ratios[1] = value;
blend_input.val(value);
viewer.redrawVolumes();
},
stop: function () {
$(this).find("a").blur();
}
});
// Input field to select blend values explicitly.
blend_input.change(function () {
var value = parseFloat(this.value);
// Check that input is numeric and in range.
if (!BrainBrowser.utils.isNumeric(value)) {
value = 0;
}
value = Math.max(0, Math.min(value, 1));
this.value = value;
// Update slider and redraw volumes.
slider.slider("value", value);
volume.blend_ratios[0] = 1 - value;
volume.blend_ratios[1] = value;
viewer.redrawVolumes();
});
});
// Contrast controls
container.find(".contrast-div").each(function () {
var div = $(this);
var slider = div.find(".slider");
var contrast_input = div.find("#contrast-val");
// Slider to select contrast value.
slider.slider({
min: 0,
max: 2,
step: 0.05,
value: 1,
slide: function (ui) {
var value = parseFloat(ui.value);
volume.display.setContrast(value);
volume.display.refreshPanels();
contrast_input.val(value);
},
stop: function () {
$(this).find("a").blur();
}
});
// Input field to select contrast values explicitly.
contrast_input.change(function () {
var value = parseFloat(this.value);
// Check that input is numeric and in range.
if (!BrainBrowser.utils.isNumeric(value)) {
value = 0;
}
value = Math.max(0, Math.min(value, 2));
this.value = value;
// Update slider and redraw volumes.
slider.slider("value", value);
volume.display.setContrast(value);
volume.display.refreshPanels();
viewer.redrawVolumes();
});
});
// Contrast controls
container.find(".brightness-div").each(function () {
var div = $(this);
var slider = div.find(".slider");
var brightness_input = div.find("#brightness-val");
// Slider to select brightness value.
slider.slider({
min: -1,
max: 1,
step: 0.05,
value: 0,
slide: function (event, ui) {
var value = parseFloat(ui.value);
volume.display.setBrightness(value);
volume.display.refreshPanels();
brightness_input.val(value);
},
stop: function () {
$(this).find("a").blur();
}
});
// Input field to select brightness values explicitly.
brightness_input.change(function () {
var value = parseFloat(this.value);
// Check that input is numeric and in range.
if (!BrainBrowser.utils.isNumeric(value)) {
value = 0;
}
value = Math.max(-1, Math.min(value, 1));
this.value = value;
// Update slider and redraw volumes.
slider.slider("value", value);
volume.display.setBrightness(value);
volume.display.refreshPanels();
viewer.redrawVolumes();
});
});
});
/* This function simply takes an input hex background color
* and returns either "black" or "white" as the appropriate
* foreground color for text rendered over the background colour.
* Idea from https://24ways.org/2010/calculating-color-contrast/
* Equation is from http://www.w3.org/TR/AERT#color-contrast
*/
function getContrastYIQ(hexcolor) {
var r = parseInt(hexcolor.substr(0, 2), 16);
var g = parseInt(hexcolor.substr(2, 2), 16);
var b = parseInt(hexcolor.substr(4, 2), 16);
var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
return (yiq >= 128) ? 'black' : 'white';
}
/////////////////////////////////////////////////////
// UI updates to be performed after each slice update.
//////////////////////////////////////////////////////
viewer.addEventListener("cursorupdate", function (event) {
var panel = event.target;
var volume = event.volume;
var vol_id = panel.volume_id;
var world_coords, voxel_coords;
if (BrainBrowser.utils.isFunction(volume.getWorldCoords)) {
world_coords = volume.getWorldCoords();
$("#world-x-" + vol_id).val(world_coords.x.toPrecision(6));
$("#world-y-" + vol_id).val(world_coords.y.toPrecision(6));
$("#world-z-" + vol_id).val(world_coords.z.toPrecision(6));
}
if (BrainBrowser.utils.isFunction(volume.getVoxelCoords)) {
voxel_coords = volume.getVoxelCoords();
$("#voxel-i-" + vol_id).val(parseInt(voxel_coords.i, 10));
$("#voxel-j-" + vol_id).val(parseInt(voxel_coords.j, 10));
$("#voxel-k-" + vol_id).val(parseInt(voxel_coords.k, 10));
}
if (volume.header && volume.header.time) {
$("#time-slider-" + vol_id).slider("option", "value", volume.current_time);
$("#time-val-" + vol_id).val(volume.current_time);
}
});
viewer.addEventListener("colormapPanel", function () {
var model_data = viewer.volumes[1];
var container = $("#data-range-vol");
var headers = '<div id="data-range-multiple-vol">';
var controls = "";
var i;
var data_set = viewer.volumes[1].data;
var dataName_split = viewer.datadir.split('/');
let cmap=window.cmap_url.vol;
container.html("");
headers += '<h3>' + dataName_split[dataName_split.length - 1];
headers += '</h3>';
controls += '<div id="data-file-vol' + i + '" class="box range-controls">';
controls += '<span>';
controls += '<input class="range-box" id="data-range-min-vol" type="text" name="range_min" size="0.7rem" style="width:2rem">';
controls += '<div id="range-slider' + i + '" data-blend-index="' + i + '" class="slider" style="margin:0 20px 0 20px"></div>';
controls += '<input class="range-box" id="data-range-max-vol" type="text" name="range_max" size="0.7rem" style="width:2rem">';
controls += '<div id="color-map-box-vol" style="display:inline;margin-left:1rem;width:2rem"></div>';
controls += '</span>';
controls += '</div>';
container.html(headers + controls + "</div>");
$("#data-range-box-vol").show();
$("#color-map-box-vol").show();
BrainBrowser.config.get("color_maps_vol").forEach(function (color_map) {
color_map_select_volume.append('<option value="' + color_map.url + '">' + color_map.name + '</option>');
});
container.find(".range-controls").each(function (index) {
var controls = $(this);
var intensity_data = data_set;
var data_min = viewer.volumes[1].intensity_min;
var data_max = viewer.volumes[1].intensity_max;
var range_min = data_min;
var range_max = data_max;
var min_input = controls.find("#data-range-min-vol");
var max_input = controls.find("#data-range-max-vol");
var slider = controls.find(".slider");
console.log(range_min)
slider.slider({
range: true,
min: data_min,
max: data_max,
values: [range_min, range_max],
step: (range_max - range_min) / 100.0,
slide: function (event,ui) {
let values = ui.values;
// Update the input fields.
min_input.val(values[0].toPrecision(2));
max_input.val(values[1].toPrecision(2));
// Update the volume and redraw.
viewer.volumes[1].intensity_min = values[0];
viewer.volumes[1].intensity_max = values[1];
let canvas = viewer.volumes[1].color_map.createElement(values[0], values[1])
canvas.id = "spectrum-canvas-vol";
$(spectrum_div).html(canvas);
viewer.redrawVolumes();
}
});
slider.slider("values", 0, parseFloat(range_min));
slider.slider("values", 1, parseFloat(range_max));
min_input.val(range_min.toPrecision(3));
max_input.val(range_max.toPrecision(3));
var spectrum_div = document.getElementById("color-bar-vol");
var min, max;
var canvas;
if (model_data && intensity_data) {
min = viewer.volumes[1].intensity_min;
max = viewer.volumes[1].intensity_max;
} else {
min = 0;
max = 1;
}
$("#color-map-box-vol").append(color_map_select_volume);
color_map_select_volume.val(window.cmap_url.vol);
canvas = viewer.volumes[1].color_map.createElement(min, max);
canvas.id = "spectrum-canvas-vol";
let spectrum = document.getElementById("color-bar-vol");
if (!spectrum) {
$("<div id=\"color-bar-vol\"></div>").html(canvas).appendTo("#data-range-box-vol");
} else {
$(spectrum).html(canvas);
}
$("#data-range-min").change(inputRangeChange);
$("#data-range-max").change(inputRangeChange);
function inputRangeChange() {
var min = parseFloat(min_input.val());
var max = parseFloat(max_input.val());
slider.slider("values", 0, min);
slider.slider("values", 1, max);
viewer.volumes[1].intensity_min = min;
viewer.volumes[1].intensity_max = max;
let spectrum_div = document.getElementById("color-bar-vol")
let canvas = viewer.volumes[1].color_map.createElement(min, max)
canvas.id = "spectrum-canvas-vol";
$(spectrum_div).html(canvas);
viewer.redrawVolumes();
}
$("#data-range-min-vol").change(inputRangeChange);
$("#data-range-max-vol").change(inputRangeChange);
// $("#fix_range").click(function () {
// viewer.setAttribute("fix_color_range", $(this).is(":checked"));
// });
// $("#fixed").change(function () {
// var min = parseFloat(min_input.val());
// var max = parseFloat(max_input.val());
// if (viewer.volumes[1].color_map) {
// viewer.volumes[1].color_map.fixed = $(this).is(":checked");
// }
// viewer.volumes[1].intensity_min = min;
// viewer.volumes[1].intensity_max = max;
// viewer.redrawVolumes();
// });
});
viewer.redrawVolumes();
});
viewer.addEventListener("changeColorMap",function(){
var model_data = viewer.volumes[1];
var intensity_data = viewer.volumes[1].data;
var min,max;
if (model_data && intensity_data) {
min = viewer.volumes[1].intensity_min;
max = viewer.volumes[1].intensity_max;
} else {
min = 0;
max = 1;
}
let canvas = viewer.volumes[1].color_map.createElement(min, max);
canvas.id = "spectrum-canvas-vol";
let spectrum = document.getElementById("color-bar-vol");
if (!spectrum) {
$("<div id=\"color-bar-vol\"></div>").html(canvas).appendTo("#data-range-box-vol");
} else {
$(spectrum).html(canvas);
}
viewer.redrawVolumes();
});
var color_map_select_volume = $('<select id="color-map-select-vol"></select>').change(function () {
var selection = $(this).find(":selected");
window.cmap_url.vol=selection.val();
viewer.loadVolumeColorMapFromURL(1, selection.val(), selection.data("cursor-color"), function () {
viewer.triggerEvent("changeColorMap");
});
});
});
loading_div.show();
//////////////////////////////
// Load the default color map.
//////////////////////////////
/* viewer.loadDefaultColorMapFromURL(1, color_map_config.url, color_map_config.cursor_color, function() {
viewer.redrawVolumes();
});*/
viewer.loadDefaultColorMapFromURL("color-maps/gray-scale.txt", "FF0000");
////////////////////////////////////////
// Set the size of slice display panels.
////////////////////////////////////////