Unwrap

On this pageTool UIHow to Unwrap UV’sQuick UnwrapAdvanced UnwrapQuick TipGood UV’s are essential when you need to position labels on complex surfaces, use materials such as RealCloth or control the seams and direction of a texture on your object. If your geometry does not have useful UV’s the Unwrap UV tool enables you to generate UV coordinates for your objects.By selecting seams, charts, and directions you can control how the UV coordinates are created. When you have a set of charts you are happy with press unwrap – and then you can set the angle and scale of each chart to make them match each other.RealCloth material with label on top. The label would have appeared stretched, if it could not be UV mapped to the object.About UV mappingUV mapping is method of projecting a 2D texture onto a 3D object. It uses a set of U and V coordinates to map the texture to specific points on the surface.KeyShot operates with the following terms:Charts: A chart includes a separate set of UV coordinates for a section of the surface. An unwrapped object can have one or more charts.Seams: A seam is an incision in a chart or the edge around a chart.Direction guides: The direction guides represent the U direction of a chart.1 Preview: Shows the object that you are going to unwrap. The wireframe shows the geometry’s mesh. The faces of the mesh also act as the base for seams and directions when you are setting up the charts for unwrapping.2. Quick Unwrap:2.1 Unwrap Shell: This method can unwrap shells in one click. It is targeted at simple shells, which can contain holes – but will not be able to unwrap sphere geometry (ie. closed objects). For those you will have to use the Advanced Unwrap, where you can specify multiple charts and control where to add seams.3. Advanced Unwrap: The Advanced Unwrap enables you to create multiple charts, select where you want seams, and also control the U-direction of the UV-coordinates.3.1 Seams If the geometry is a sphere (closed geometry) or in some instances a cylinder (a

SyntaxDescriptionQ = unwrap(P) unwraps the radian phase angles in a vector P. Whenever the jump between consecutive angles is greater than or equal to π radians, unwrap shifts the angles by adding multiples of ±2π until the jump is less than π. If P is a matrix, unwrap operates columnwise. If P is a multidimensional array, unwrap operates on the first dimension whose size is larger than 1.exampleQ = unwrap(P,tol) compares the jump between elements of P to the jump threshold tol instead of the default value π radians. If you specify a jump threshold less than π, unwrap uses the default jump threshold π.exampleQ = unwrap(P,[],dim) unwraps along the dimension dim.exampleQ = unwrap(P,tol,dim) unwraps along the dimension dim using the jump threshold tol.Examplescollapse allCorrect Phase Angle of SpiralDefine the x- and y-coordinates of a spiral with phase angle from 0 to 6π. Plot the spiral.t = linspace(0,6*pi,201);x = t/pi.*cos(t);y = t/pi.*sin(t);plot(x,y)Find the phase angle of the spiral from the x- and y-coordinates using the atan2 function. The atan2 function returns the angle values within the closed interval from -π to π.P = atan2(y,x);plot(t,P)Note that this plot has discontinuities. Use unwrap to eliminate the discontinuities. unwrap adds multiples of ±2π when the phase difference between consecutive elements of P are greater than or equal to the jump threshold π radians. The shifted phase angle Q lies in the interval from 0 to 6π.Shift Phase Angle with Different ThresholdsShift the phase angle of a frequency response. The phase curve has two jumps. The first jump is 3.4250 radians between W = 3 and W = 3.4, and the second jump is 6.3420 radians between W = 5 and W = 5.4. Plot the phase curve.clear; close all;W = [0:0.4:3, 3.4:0.4:5, 5.4:0.4:7];P = [-1.5723 -1.5747 -1.5790 -1.5852 -1.5922 -1.6044 -1.6269 -1.6998 1.7252 1.5989 1.5916 1.5708 1.5582 -4.7838 -4.8143 -4.8456 -4.8764 -4.9002];plot(W,P,'bo-')Use unwrap to shift the phase angle using the default jump threshold π radians. Plot the shifted phase curve. Both jumps are shifted since they are greater than the jump threshold π radians.Now shift the phase angle using a jump threshold of

Lets you adjust the scale of all the charts.Scale: If the charts do not match in size you can click a chart in the preview and adjust the scale of that.Rotate: If you want to change the alignment of a chart you can select it in the preview and adjust this slider to rotate the UV’s of it.NoteWhen you scale/rotate one chart, you may experience shifting of the UV coordinates on other charts – This occurs as a precaution to ensure that charts do not overlap in UV spaceUse Material Texture on UV Charts. Enabling this will let you see the current material texture of the part in the preview, before applying the new UV’s to the part. This is only available if there is a texture assigned to the material.5. Clear At any point in the process you can press Clear. This will reset to the state of the object when the tool was launched.6. Cancel/Apply: Cancel will close the tool without applying new UV’s. Apply will close the tool while applying new UV’s (if you have unwrapped). This cannot be undone.How to Unwrap UV’sThe Unwrap UV tool can be launched either from the Tools Section in the Ribbon, or via right-click on a part in the scene tree or Real-time view. If nothing has been selected when you launch the tool, a selection dialog will appear. Here you can select the part you want to unwrap in the list, or by clicking in the Real-time View, which will highlight the part in the list. Depending on the type of object you want to unwrap, you have 2 approaches:Quick UnwrapUnwrap Shell: If your object is a simple shell (an object with open edges) you can use the Quick Unwrap, Unwrap Shell. This will unwrap your object in one click. The method will not work for sphere geometry (closed meshes) and for cylinders, you will get the best result using the Advanced Unwrap.Advanced UnwrapThe Advanced Unwrap enables you to create multiple charts, select where you want seams, and also control the U-direction of the UV-coordinatesAdd a Seam: Click on the

I also faced this problem when I migrated my app from v1 to v2I found that when the "X" of the window is clicked then "tauri::RunEvent::ExitRequested with code = None" triggered, so when I click exit on the tray icon I give it code 0, then I handle closing the app according to the code, when the window closed anywayHere is my solution:) { match event.id.as_ref() { "open" => { let window = app.get_webview_window("main"); match window { Some(w) => { let win_is_open = w.is_visible().unwrap(); match win_is_open { false => { info!("show window"); w.show().unwrap(); } true => {} } } None => { let _ = build_main_window(app, url); () } } } "quit" => { let app = app.app_handle(); app.exit(0) } _ => (), }}">fn tray_event_handler(app: &AppHandle, event: MenuEvent, url: Arc) { match event.id.as_ref() { "open" => { let window = app.get_webview_window("main"); match window { Some(w) => { let win_is_open = w.is_visible().unwrap(); match win_is_open { false => { info!("show window"); w.show().unwrap(); } true => {} } } None => { let _ = build_main_window(app, url); () } } } "quit" => { let app = app.app_handle(); app.exit(0) } _ => (), }} match code { Some(c) => { info!("Exit Request with code: {}", c); } _ => { info!("Exit Request with code: {:?} - prevented exit", code); api.prevent_exit(); } } _ => (), }}">fn run_event_handler(_app_handle: &AppHandle, event: tauri::RunEvent) { match event { tauri::RunEvent::ExitRequested { code, api, .. } => match code { Some(c) => { info!("Exit Request with code: {}", c);

5 radians. Plot the shifted phase curve. The first jump is not shifted since it is less than the jump threshold 5 radians.plot(W,unwrap(P,5),'ro-')Apply Phase Shift to MatrixDefine a two-column matrix P that contains phase angles.P = [0 7.07; 0.19 0.98; 6.67 1.18; 0.59 1.37; 0.78 1.56]P = 5×2 0 7.0700 0.1900 0.9800 6.6700 1.1800 0.5900 1.3700 0.7800 1.5600The phase angles P(1,2) = 7.07 and P(3,1) = 6.67 have phase differences that are larger than π compared to the rest of the data.Unwrap the phase angles by first comparing the elements columnwise. Specify the dim argument as 1. Use the default jump threshold π by specifying the second argument as [].dim = 1;P1 = unwrap(P,[],dim)P1 = 5×2 0 7.0700 0.1900 7.2632 0.3868 7.4632 0.5900 7.6532 0.7800 7.8432To shift phase angles by rows instead of by columns, specify dim as 2 instead of 1.dim = 2;P2 = unwrap(P1,[],dim)P2 = 5×2 0 0.7868 0.1900 0.9800 0.3868 1.1800 0.5900 1.3700 0.7800 1.5600Input Argumentscollapse allP — Input array vector | matrix | multidimensional array Input array, specified as a vector, matrix, or multidimensional array. Data Types: single | doubletol — Jump threshold to apply phase shift pi (default) | scalar Jump threshold to apply phase shift, specified as a scalar. A jump threshold less than π has the same effect as the default threshold π. Data Types: single | doubledim — Dimension to operate along positive integer scalar Dimension to operate along, specified as a positive integer scalar. If no value is specified, then the default is the first array dimension whose size does not equal 1. unwrap(P,[],1) operates along the columns of P and returns the shifted phase angle of each column.unwrap(P,[],2) operates along the rows of P and returns the shifted phase angle of each row. If dim is greater than ndims(P), then unwrap(P,[],dim) returns P. Data Types: single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64Output Argumentscollapse allQ — Shifted phase angle vector | matrix | multidimensional array Shifted phase angle, returned as a vector, matrix, or multidimensional array. The size of