I am new to UE5. Trying to work out some UI. I have created a Widget Blueprint (HUD) on which I have placed a canvas (TheCanvas), on which I have placed a text:
Now I am trying to access the canvas (TheCanvas) in the Graph / node editor of the Widget Blueprint (HUD). I need this for some programming logic, such as e.g. getting a list of all the children on the canvas etc.
I have seen on screenshots that people can access this canvas, however I am unable to get a reference to it. When I type Canvas in the filter, it does not show up.
I thought I need to make TheCanvas a variable of the HUD, but I cannot find a way to do that either. There is no Promote to variable context menu, and no Expose checkbox on the details of the Canvas.
Being new to this, the concepts are not clear for me. Please can you advise what I am doing wrong? I need to programmatically access TheCanvas in the Graph/node editor of the HUD.
Thank you
Someone showed me the Is Variable checkbox on top of the Details panel. I was looking for it down in the properties box
Related
In my markup, I add a label on it using (x,y) co-ordinates using "markup.markups[0].getClientPosition". This works, but if I change camera mode or rotate it will lose it place, so am wondering how I can put it back to the new position as per the new markup position?
I understand I have to add event listener for "CAMERA_CHANGE_EVENT", but how I should relate the label with its corresponding svg markup, what if there are more than one markups?
Thanks in advance.
I'd suggest to use the 3d markup extension to make things easier - it supports navigation right out of the box
Follow here to get started: https://forge.autodesk.com/blog/3d-markup-icons-and-info-card
Or SVG markups work well as well: https://forge.autodesk.com/blog/create-pushpin-markup-svg
I am trying to replicate a part of demo shown here using autodesk-forge-viewer api. Particularly, I am not able to find code snippet around how can I do navigation for a particular area of 3D model. For example, if render 3D model is house, I require that If a click on "Bed Room" which is a link somewhere in browser, 3D rendered model should show me that "Bed Room". In sample app shown, they are providing the same as a feature of "Model Browser".
Could anyone please help me with that?
You first need to know the dbId's of the nodes you are interested in, most viewer API methods take dbIds as input. You get those either by listening to selection events, see that post, or by parsing the instance tree and checking the properties of the nodes to see if those are the ones you looking for.
You can then use methods such as viewer.fitToView([dbIds]), viewer.hide([dbIds]), viewer.show([dbIds]) ... Here is another article that might be useful: Hidding completely viewer nodes (no ghosting).
Hope that helps.
Good afternoon,
I want to know if it will be possible to add Scala Swing objects (especially JFrame objects) in a Play 2.0 application, I look for something like this but I haven't found nothing.
I need a Text Area that the user can write, and after that when he/she submit, I need to create an instance of a Scala class which after that it will show in a JFrame are (if I can) something related with the textarea input.
I can do the textarea form with HTML but the other part I don't know how to do it if not with JFrames.
Are many other ways to do this?
The example of what I can do is (it's a App related on Lambda Calculi):
x ---> create a Var elemnt and display it in a JFrame
\x.x ----> create a Abs(Var,Var) element and display it in a JFrame
...
Can anyone help me?
Thanks in advance
Piotr's comment is correct; the two technologies (HTML and Swing) are very separate. I'm not sure exactly what you're trying to accomplish; however, it sounds like what you want to do is possible via Javascript. A good tutorial for Javascript can be found here: http://www.codecademy.com/tracks/javascript. Javascript is also very easy to integrate into a Play project; you can place your Javascript files in your project's /public folder and reference them from your HTML files using <script> tags.
How would someone go about coding a 'window'? I'm starting to make a GUI, and I want to learn how to code one. One that can be skinnable, and one that actually loops and creates itself at runtime. I understand that this might be a bit vague, so I'll add details.
One that actually 'creates' itself. Most GUI tutorials I've looked on depends on an 'image' that just gets added on the screen. I want to be able to use skins in my windows. One where my 'skin' is just a collection of 'borders'. Then when I insert window.create(50,50) where 50,50 is my height, width, It would just create that window, following the skin.
I understand that it probably follows just like when a language draws a rectangle, it just follows a different set of rules (maybe?). However, for all my Google-fu skills I cannot find a tutorial that teaches me this.
Please Help. I didn't include the language I used as you can see, because I believe I just need to know how to create one. Anyway though, I am using Actionscript 3. A tutorial would be just fine, or even A SINGLE CLASS THAT HAS THIS FUNCTIONALITY, I'll just study the code. Or if you know one, maybe a whole book about GUI and programming it :D
Pure As3.0 GUI coding is quite troublesome. I try to Googling, but not come out well. anyway for my case, i generate using a SWC, and Class Mapping and Customizing. but i'm not sure best way. in other way i use a bit101 library. this is gives me want Window, Charts, Componets easily of high abstraction. see the below image.
It can be pretty hard and complicated to do, or very easy, it just depends on how flexible your solution should be. You need firstly to design a structure of your program and approach to the problem.
I like to go from the image of how it should look like from API point of view. I think I would create a GUI element like this:
var wholeGui:MyGUI = new MyGUI();
var window:IGuiElement = new GuiWindow(dataObject, skinObject);
wholeGui.addElement(window);
So what would you need?
1) Object that would manage all GUI elements. Why? Simply because your GUI elements shouldn't be destroyed by themselves if user will click "X" on your little window. The wholeGui object would manage them and listen for any events including those that would destroy them. You may consider creating custom events for interaction between the wholeGui object and your window object if this interaction is going to be complicated.
2) Interface for your GUI objects. Some problem here is that AS3 actually doesn't have interface for Sprite, and you would like to interact with it like with extended Sprite. The workaround here is to have in this interface a declaration like this:
function asSprite():Sprite;
And your implementation in GuiWindow would look like this:
public function asSprite():Sprite {
return this;
}
And your GuiWindow class should extend Sprite of course. Then you would have access to it's Sprite properties and methods by writing for example: window.asSprite.startDrag();
This interface should give you abilities that you need to operate on your GUI element.
3) Class for your GUI element, in this example GuiWindow.
4) Class for your data that would be injected into your element. If you would load data dynamically, and from some location, you would need to deal with the situation when no data can be provided - but that logic would be inside your window.
5) Class for your skin - so you would be able to dynamically create a skin object and use it to create your window in a way you want.
That's just few thoughts to consider.
PS. It may be good idea to fill GuiWindow object with data AFTER creating it, and not in constructor, as you would be able to visualize loading process then.
I am developing an Windows Forms application using VB.NET that offers the user to lookup addresses on Google Maps through a Web Browser. I can also successfully show the directions between two points to the user, as well as allow the user to drag the route as he/she pleases. My question now is - is it possible for me to get the lattitude/longitude information of the route, i.e. the overview_polyline array of encoded lattitude/longitude points and save it to e.g. a text file on my computer? Or is it possible to get a list of all the addresses located both sides of the route over the entire length of the route, and then save the data to a file on my computer? I'm using HTML files to access and display the Google Maps data in the Web Browser item.
Thank you
This is actually pretty simple if your just looking for the screen coordinates.
// this probably should be in your form initialization
this.MouseClick += new MouseEventHandler(MouseClickEvent);
void MouseClickEvent(object sender, MouseEventArgs e)
{
// do whatever you need with e.Location
}
if your strictly looking for the point in the browser, you need to consider the functions
browser.PointToClient();
browser.PointToScreen();
So, this method is usable if you know exactly where your form is (easy to get its coords) and where you webbrowser control is (easy to get coords of this as well since it's just a control in your form) and then, as long as you know how many pixels from the left or right, and from the top or bottom the image will be displayed, once you get the global mouse click coords (which is easy) you can predict where it was clicked on the image.
Alternatively, there are some scarier or uglier ways to do it here...
You can use the ObjectForScripting property to embed code to do this in the webbrowser. It's ugly to say the least. MSDN has some documentation on the process here: http://msdn.microsoft.com/en-us/library/system.windows.forms.webbrowser.objectforscripting.aspx
Because its really ugly, maybe a better solution is to use AxWebBrowser - it's ugly too but not so scary.
In addition, I found this post of someone wanting to do it on a pdf document, and a MSFT person saying its not possible, but really what he is trying to say is that it isn't built in, even with a pdf document its still possible to predict with high to certain accuracy where it was clicked if you use the first method i described. Here is the post anyway: http://social.msdn.microsoft.com/Forums/en/csharpgeneral/thread/2c41b74a-d140-4533-9009-9fcb382dcb60
However, it is possible, and there are a few ways to do it, so don't get scared from that last link I gave ya.
Also, this post may help if you want to do it in javascript:
http://www.devx.com/tips/Tip/29285
Basically, you can add an attribute on the image through methods available in the webbrowser control, you can add something like onclick="GetCoords();" so when it is clicked, the JavaScript function will get the coords, and then you can use javascript to place the values in a hidden input field (input type="hidden") which you can add through the webbrowser control, or if there is one already on the page, you can use that. So, once you place the coords using javacript into that input field, you can easily grab the value in that using the webbrowser control, eg:
webbrowser1.document.getElementById("myHiddenInputField").value
That will get the value in that field, which you've set through JavaScript. Also, the "GetCoords()" function i mentioned is called SetValues() in the javascript method link i provided above (in the devx.com site) but I named it GetCoords because it makes more sense and didn't want to confuse you with the actual name they used, you can change this to any name you want of course. Here is the javascript they were using, this only gets the coords into a variable, doesn't put it into a hidden input field, we will need to do that in addition (at the end of the javascript SetValues/GetCoords function).
function SetValues()
{
var s = 'X=' + window.event.clientX + ' Y=' + window.event.clientY ;
document.getElementById('divCoord').innerText = s;
}
These guys are just saving it inside a div element, which is visible to users, but you can make the div invisible if you want to use a div field, there is no advantage or disadvantage in doing that, you would just need to set the visible property to false using javascript or css, but still, it is easier to use a hidden input field so you don't need to mess with any of that.
Let me know how you get along.