Gets or sets the study instance UID of the cell
Object.defineProperty(Cell.prototype, 'studyInstanceUID',
get: function(),
set: function(value)
)
studyInstanceUID: string;
Value that represents the study instance UID of the cell.
The value can be retrieved from the DICOM data set.
import { MedicalViewer_MultiFrame_Example } from "../MedicalViewer_MultiFrame_Example";
export class ScaleOffset_Example {
constructor() {
this.run = (medicalViewer) => {
this.medicalViewer = medicalViewer;
var cell = this.medicalViewer.layout.items.get_item(0);
var scale = new lt.Controls.Medical.ScaleAction();
var offset = new lt.Controls.Medical.OffsetAction();
scale.button = lt.Controls.MouseButtons.right;
cell.setCommand(0, scale);
cell.runCommand(0);
offset.button = lt.Controls.MouseButtons.left;
cell.setCommand(0, offset);
cell.runCommand(0);
};
this.viewerExample = new MedicalViewer_MultiFrame_Example(this.run);
}
}
export class MedicalViewer_MultiFrame_Example {
constructor(callback) {
// LEADTOOLS ImageViewer to be used with this example
this.medicalViewer = null;
// Generic state value used by the examples
this.timesClicked = 0;
this.authenticationCode = "";
// Set the LEADTOOLS license. Replace this with your actual license file
lt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/v200/LEADTOOLSEVAL.txt", "EVAL", null);
// Create an image viewer inside the imageViewerDiv element
const imageViewerDiv = document.getElementById("imageViewerDiv");
const createOptions = new lt.Controls.ImageViewerCreateOptions(imageViewerDiv);
this.medicalViewer = new lt.Controls.Medical.MedicalViewer(imageViewerDiv, 2, 2);
this.medicalViewer.onSizeChanged();
var cell = new lt.Controls.Medical.Cell(this.medicalViewer, null, 1, 1);
// Set the show border to "true", to show a border around the cell.
cell.set_showFrameBorder(true);
// Add the cell to the viewer.
this.medicalViewer.layout.get_items().add(cell);
// [optional] Select the cell (it can also be selected by clicking on it.)
cell.set_selected(true);
cell.fullDownload = false;
cell.marginFramesCount = 3;
var self = this;
// we are now going to to download an image from LEADTOOLS medical viewer demo web site, you need to change this to download images from your database.
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function (data) {
if (this.readyState == 4 && this.status == 200) {
// here we got the authentication Code that we need to retrieve the images from LEADTOOLS database.
self.authenticationCode = this.responseText;
var encodedAuthenticationCode = encodeURIComponent(self.authenticationCode);
// we get here the object retrieve address that points to a service that retrieves the information and the images from the server.
var objectRetrieveAddress = "https://medicaldemos.leadtools.com/MedicalViewerServiceAsp/api/retrieve";
var studyInstanceUID = "1.3.12.2.1107.5.1.4.50772.30000009122208074910900000022";
// this is the series instance UID that contains all the frames that will be retrieved.
var seriesInstanceUID = "1.3.12.2.1107.5.1.4.50772.30000009122208215356200001997";
cell.seriesInstanceUID = seriesInstanceUID;
cell.studyInstanceUID = studyInstanceUID;
// we are generating the address for retrieving the stack data.
var getStackAddress = objectRetrieveAddress;
getStackAddress += "/GetSeriesStacks?auth=";
getStackAddress += encodedAuthenticationCode;
getStackAddress += "&seriesinstanceUID=" + seriesInstanceUID;
var getStackRequest = new XMLHttpRequest();
getStackRequest.onreadystatechange = function (data) {
if (this.readyState == 4 && this.status == 200) {
var json = JSON.parse(this.responseText)[0];
var instanceIndex = 0;
var instanceCount = json.SopInstanceUIDs.length;
// add frames based on the size of the number of instances.
for (instanceIndex = 0; instanceIndex < instanceCount; instanceIndex++) {
var cellFrame = new lt.Controls.Medical.Frame(cell);
cell.get_frames().add(cellFrame);
}
// loop through every frame, and prepare the data.
for (instanceIndex = 0; instanceIndex < instanceCount; instanceIndex++) {
cellFrame = cell.get_frames().get_item(instanceIndex);
// now, this is the MRTI info that contains the image information, width, height, tiles....etc.
var mrtiInfo = new lt.Controls.Medical.MRTIImage();
// The image dpi.
mrtiInfo.fullDpi = lt.LeadSizeD.create(150, 150);
// the tile size, recommended value is 256
mrtiInfo.tileSize = lt.LeadSizeD.create(512, 512);
mrtiInfo.frameIndex = 0;
// does this image support window level.
mrtiInfo.supportWindowLevel = true;
// different resolution for the image.
var resolutions = [{ "width": 512, "height": 512 }, { "width": 256, "height": 256 }, { "width": 128, "height": 128 }, { "width": 64, "height": 64 }];
mrtiInfo.resolutions = [];
for (var i = 0; i < resolutions.length; i++) {
mrtiInfo.resolutions[i] = lt.LeadSizeD.create(resolutions[i].width, resolutions[i].height);
}
// the image width and height.
cellFrame.set_width(mrtiInfo.resolutions[0].width);
cellFrame.set_height(mrtiInfo.resolutions[0].height);
// the image full size.
mrtiInfo.fullSize = lt.LeadSizeD.create(cellFrame.get_width(), cellFrame.get_height());
// now we need the image URL,
var imageUri = objectRetrieveAddress;
imageUri += "/GetImageTile?auth=";
imageUri += encodedAuthenticationCode;
// this the image instance UID, change this if you want to retrieve anything else.
imageUri += "&instance=" + json.SopInstanceUIDs[instanceIndex];
mrtiInfo.imageUri = imageUri;
// set this info to the cell frame.
cellFrame.mrtiInfo = mrtiInfo;
// now we need to set the information for the image so we can do window level.
var imageInfo = new lt.Controls.Medical.DICOMImageInformation();
// set the image width and height.
imageInfo.width = 512;
imageInfo.height = 512;
// bits per pixel for the image
imageInfo.bitsPerPixel = 16;
// low and high bit.
imageInfo.lowBit = 0;
imageInfo.highBit = 11;
// other information, setting some of them to zero means that the toolkit will try and calculate it by itself, but you can always get those values from the DicomDataSet.
imageInfo.modalityIntercept = -1024;
imageInfo.modalitySlope = 1;
imageInfo.minValue = 0;
imageInfo.maxValue = 0;
imageInfo.windowWidth = 200;
imageInfo.windowCenter = 40;
imageInfo.signed = false;
imageInfo.photometricInterpretation = 'MONOCHROME2';
imageInfo.firstStoredPixelValueMapped = 0;
// set these information to the frame.
cellFrame.set_information(imageInfo);
}
// scroll to the middle of the series.
cell.currentOffset = instanceCount >> 1;
}
};
getStackRequest.open("GET", getStackAddress, true);
getStackRequest.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
// we log in as a 'guest', after calling the below line, we will receive the authentication code sent via 'onreadystatechange' above.
getStackRequest.send();
}
};
// We are trying here to get an image from the LEADTOOLS database, we need to login and get the authentication code.
xhttp.open("POST", "https://medicaldemos.leadtools.com/MedicalViewerServiceAsp/api/auth/AuthenticateUser", true);
xhttp.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
// we log in as a 'guest', after calling the below line, we will receive the authentication code sent via 'onreadystatechange' above.
xhttp.send(JSON.stringify({ userName: 'guest', password: 'guest', userData: '' }));
const exampleButton = document.getElementById("exampleButton");
exampleButton.addEventListener("click", () => {
this.timesClicked++;
// Run the example
if (callback)
callback(this.medicalViewer, this.authenticationCode);
});
}
}
import { MedicalViewer_MultiFrame_Example } from "../MedicalViewer_MultiFrame_Example";
export class ScaleOffset_Example {
private viewerExample;
private medicalViewer;
constructor() {
this.viewerExample = new MedicalViewer_MultiFrame_Example(this.run);
}
private run = (medicalViewer: lt.Controls.Medical.MedicalViewer) => {
this.medicalViewer = medicalViewer;
var cell: lt.Controls.Medical.Cell = this.medicalViewer.layout.items.get_item(0);
var scale: lt.Controls.Medical.ScaleAction = new lt.Controls.Medical.ScaleAction();
var offset: lt.Controls.Medical.OffsetAction = new lt.Controls.Medical.OffsetAction();
scale.button = lt.Controls.MouseButtons.right;
cell.setCommand(0, scale);
cell.runCommand(0);
offset.button = lt.Controls.MouseButtons.left;
cell.setCommand(0, offset);
cell.runCommand(0);
}
}
export class MedicalViewer_MultiFrame_Example {
// LEADTOOLS ImageViewer to be used with this example
protected medicalViewer: lt.Controls.Medical.MedicalViewer = null;
// Generic state value used by the examples
public timesClicked: number = 0;
public authenticationCode : string = "";
constructor(callback?: (medicalViewer: lt.Controls.Medical.MedicalViewer , authenticationCode : string) => void) {
// Set the LEADTOOLS license. Replace this with your actual license file
lt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/v200/LEADTOOLSEVAL.txt", "EVAL", null);
// Create an image viewer inside the imageViewerDiv element
const imageViewerDiv : HTMLDivElement = <HTMLDivElement>document.getElementById("imageViewerDiv");
const createOptions: lt.Controls.ImageViewerCreateOptions = new lt.Controls.ImageViewerCreateOptions(imageViewerDiv);
this.medicalViewer = new lt.Controls.Medical.MedicalViewer(imageViewerDiv, 2, 2);
this.medicalViewer.onSizeChanged();
var cell = new lt.Controls.Medical.Cell(this.medicalViewer, null, 1, 1);
// Set the show border to "true", to show a border around the cell.
cell.set_showFrameBorder(true);
// Add the cell to the viewer.
this.medicalViewer.layout.get_items().add(cell);
// [optional] Select the cell (it can also be selected by clicking on it.)
cell.set_selected(true);
cell.fullDownload = false;
cell.marginFramesCount = 3;
var self = this;
// we are now going to to download an image from LEADTOOLS medical viewer demo web site, you need to change this to download images from your database.
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function(data)
{
if (this.readyState == 4 && this.status == 200)
{
// here we got the authentication Code that we need to retrieve the images from LEADTOOLS database.
self.authenticationCode = this.responseText;
var encodedAuthenticationCode = encodeURIComponent(self.authenticationCode);
// we get here the object retrieve address that points to a service that retrieves the information and the images from the server.
var objectRetrieveAddress = "https://medicaldemos.leadtools.com/MedicalViewerServiceAsp/api/retrieve";
var studyInstanceUID = "1.3.12.2.1107.5.1.4.50772.30000009122208074910900000022";
// this is the series instance UID that contains all the frames that will be retrieved.
var seriesInstanceUID = "1.3.12.2.1107.5.1.4.50772.30000009122208215356200001997"
cell.seriesInstanceUID = seriesInstanceUID;
cell.studyInstanceUID = studyInstanceUID;
// we are generating the address for retrieving the stack data.
var getStackAddress = objectRetrieveAddress;
getStackAddress += "/GetSeriesStacks?auth=";
getStackAddress += encodedAuthenticationCode;
getStackAddress += "&seriesinstanceUID=" + seriesInstanceUID;
var getStackRequest = new XMLHttpRequest();
getStackRequest.onreadystatechange = function (data) {
if (this.readyState == 4 && this.status == 200) {
var json = JSON.parse(this.responseText)[0];
var instanceIndex = 0;
var instanceCount = json.SopInstanceUIDs.length;
// add frames based on the size of the number of instances.
for (instanceIndex = 0; instanceIndex < instanceCount; instanceIndex++) {
var cellFrame = new lt.Controls.Medical.Frame(cell);
cell.get_frames().add(cellFrame);
}
// loop through every frame, and prepare the data.
for (instanceIndex = 0; instanceIndex < instanceCount; instanceIndex++) {
cellFrame = cell.get_frames().get_item(instanceIndex);
// now, this is the MRTI info that contains the image information, width, height, tiles....etc.
var mrtiInfo = new lt.Controls.Medical.MRTIImage();
// The image dpi.
mrtiInfo.fullDpi = lt.LeadSizeD.create(150, 150);
// the tile size, recommended value is 256
mrtiInfo.tileSize = lt.LeadSizeD.create(512, 512);
mrtiInfo.frameIndex = 0;
// does this image support window level.
mrtiInfo.supportWindowLevel = true;
// different resolution for the image.
var resolutions = [{"width": 512, "height": 512}, {"width": 256, "height": 256}, {"width": 128, "height": 128}, {"width": 64, "height": 64}];
mrtiInfo.resolutions = [];
for (var i = 0; i < resolutions.length; i++) {
mrtiInfo.resolutions[i] = lt.LeadSizeD.create(resolutions[i].width, resolutions[i].height);
}
// the image width and height.
cellFrame.set_width(mrtiInfo.resolutions[0].width);
cellFrame.set_height(mrtiInfo.resolutions[0].height);
// the image full size.
mrtiInfo.fullSize = lt.LeadSizeD.create(cellFrame.get_width(), cellFrame.get_height());
// now we need the image URL,
var imageUri = objectRetrieveAddress;
imageUri += "/GetImageTile?auth=";
imageUri += encodedAuthenticationCode;
// this the image instance UID, change this if you want to retrieve anything else.
imageUri += "&instance=" + json.SopInstanceUIDs[instanceIndex];
mrtiInfo.imageUri = imageUri;
// set this info to the cell frame.
cellFrame.mrtiInfo = mrtiInfo;
// now we need to set the information for the image so we can do window level.
var imageInfo = new lt.Controls.Medical.DICOMImageInformation();
// set the image width and height.
imageInfo.width = 512;
imageInfo.height = 512;
// bits per pixel for the image
imageInfo.bitsPerPixel = 16;
// low and high bit.
imageInfo.lowBit = 0;
imageInfo.highBit = 11;
// other information, setting some of them to zero means that the toolkit will try and calculate it by itself, but you can always get those values from the DicomDataSet.
imageInfo.modalityIntercept = -1024;
imageInfo.modalitySlope = 1;
imageInfo.minValue = 0;
imageInfo.maxValue = 0;
imageInfo.windowWidth = 200;
imageInfo.windowCenter = 40;
imageInfo.signed = false;
imageInfo.photometricInterpretation = 'MONOCHROME2';
imageInfo.firstStoredPixelValueMapped = 0;
// set these information to the frame.
cellFrame.set_information(imageInfo);
}
// scroll to the middle of the series.
cell.currentOffset = instanceCount >> 1;
}
}
getStackRequest.open("GET", getStackAddress, true);
getStackRequest.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
// we log in as a 'guest', after calling the below line, we will receive the authentication code sent via 'onreadystatechange' above.
getStackRequest.send();
}
};
// We are trying here to get an image from the Leadtools database, we need to login and get the authentication code.
xhttp.open("POST", "https://medicaldemos.leadtools.com/MedicalViewerServiceAsp/api/auth/AuthenticateUser", true);
xhttp.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
// we log in as a 'guest', after calling the below line, we will receive the authentication code sent via 'onreadystatechange' above.
xhttp.send(JSON.stringify({ userName: 'guest', password: 'guest', userData: '' }));
const exampleButton = document.getElementById("exampleButton");
exampleButton.addEventListener("click", () => {
this.timesClicked++;
// Run the example
if (callback)
callback(this.medicalViewer, this.authenticationCode);
});
}
}
<!doctype html>
<html lang="en">
<title>Offset / Scale Example</title>
<head>
<script src="https://code.jquery.com/jquery-2.2.4.min.js"
integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script>
<script src="../../LT/Leadtools.js"></script>
<script src="../../LT/Leadtools.Controls.js"></script>
<script src="../../LT/Leadtools.Annotations.Engine.js"></script>
<script src="../../LT/Leadtools.Annotations.Designers.js"></script>
<script src="../../LT/Leadtools.Annotations.Rendering.Javascript.js"></script>
<script src="../../LT/Leadtools.Annotations.Automation.js"></script>
<script src="../../LT/Leadtools.ImageProcessing.Main.js"></script>
<script src="../../LT/Leadtools.ImageProcessing.Color.js"></script>
<script src="../../LT/Leadtools.ImageProcessing.Core.js"></script>
<script src="../../LT/Leadtools.ImageProcessing.Effects.js"></script>
<script src="../../LT/Leadtools.Document.js"></script>
<script src="../../LT/Leadtools.Document.Viewer.js"></script>
<script src="../../LT/Leadtools.Controls.Medical.js"></script>
<style>
body {
font-family: 'Segoe UI', sans-serif;
}
#imageViewerDiv {
border: 1px solid #888;
width: 500px;
height: 500px;
background-color: #eee;
}
</style>
<!-- All demo files are bundled and appended to the window -->
<script src="../../bundle.js" type="text/javascript"></script>
</head>
<body oncontextmenu="return false;">
<p>Hold down the left mouse button on the cell to move the image, hold the right click and zoom in/out the image.</p>
<div>
<button type="button" id="exampleButton">Run Example</button>
</div>
<div id="imageViewerDiv"></div>
<div id="output"></div>
</body>
<script>
window.onload = () => {
const example = new window.examples.MedicalViewer.ScaleOffset();
};
</script>
</html>
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document