UserManual:Tools:Curves: Difference between revisions
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== Working with section Curve == <!--T:1--> |
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'''Draft Mode - Tools | Curve''' |
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* [[UserManual:Tools:Lines|go back: Seamly2D User Manual - Draft Mode - Tools | Line]] |
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* [[UserManual:Tools:Arcs|next: Seamly2D User Manual - Draft Mode - Tools | Arc]] |
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<div style="border:1px solid #000000; margin: 0 0 0.5em; overflow: hidden; padding: 0.5em; font-size: small; -moz-border-radius: 0.8em; -webkit-border-radius: 0.8em; border-radius:0.8em;"> |
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== Curve tools == |
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Some lines need to curve, and in this section, we deal only with curves of various types. To get your curve right, you can click on the line and drag it around to get close to what you require and there are 'handles' that you can click and drag around until you get the right shape that you're looking for, or you can use exact degrees. |
Some lines need to curve, and in this section, we deal only with curves of various types. To get your curve right, you can click on the line and drag it around to get close to what you require and there are 'handles' that you can click and drag around until you get the right shape that you're looking for, or you can use exact degrees. |
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[[File:Advice.svg|left|50x50px]]'''Important note:''' |
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[[File:GC00009.jpg]] |
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[[File:GC00010.jpg]] |
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The direction of the curves iss shown by an arrow on the curved line. This is important when you create a new [[UserManual:Tools:Piece|pattern piece]]. |
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Once again, there are tips at the bottom left. |
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[[File:GL00011.jpg]] |
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===Curve - Interactive (Shortcut Alt+C)=== |
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===[[File:GC00001.jpg|50px]] Tool Simple Curve=== |
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This is a curve between 2 points. Place your cursor over the label of the point where you’d like your curve to start, click, place your cursor over the label of the end point and click. The label will turn green while your cursor is over it. |
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|[[File:Spline.svg|50x50px]] |
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|Create a curve between two nodes |
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|Click on the first and then second node. You may now drag the handles around to make the curve more pleasing or use length and angle formulas to get a more precise curve |
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* Name: Name of the new curve |
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* First point: Starting point of curve |
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* Second point: Endpoint of curve |
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* First point handle - Length: You can define a fixed length or use a formula for adaptive / calculated values |
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* First point handle - Angle: You can define a fixed angle or use formulas for adaptive / calculated values |
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* Second point handle - Length You can define a fixed length or use formulas for adaptive / calculated values |
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* Second point handle - Angle: You can define a fixed angle or use formulas for adaptive / calculated values |
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* Attributes: Specify the color, linetype and lineweight of the new node |
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|[[File:Seamly2d DrawModeTools16b.png|300x300px]] |
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|[[File:Seamly2d DrawModeTools16.png|450x450px]] |
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=== Spline - Interactive (Shortcut Alt+S) === |
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[[File:GC00011.jpg]] |
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[[File:GC00012.jpg]] |
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[[File: |
|[[File:SplinePath.svg|50x50px]] |
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|Create a curve that passes through multiple nodes |
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[[File:GC00014.jpg]] |
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When the cursor is over the line, it gets a very fine black edge. When the cursor is over the handle point, the circle is 'fat' and you can drag the handle around until you have your desired position. |
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|Click on each node in turn and press enter when done. You may now drag the handles around to make the curve more pleasing or use direction and angle formulas to get more precise curve. Hit <code>'''Enter'''</code> to finish selecting new points |
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Once you have the curve in place, on the right side, you can change the properties of the line, among other things. |
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''Note. This tool was redesigned in version 0.5.0. Since 0.5.0 you can control length and angle of 'handles' by formulas.'' |
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* Name: Name of the new spline |
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===[[File:GC00002.jpg|50px]] Tool Segmenting a simple curve=== |
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* Point: Selected point of pathlist |
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This tool will place a point at the position that you require. Click on the curve, enter your formula and click on 'Apply' to view or 'Ok' to accept. No matter how you move the handles, the curve will always intersect with this point and the point will move as you move the handles. |
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* Path: List of selected points |
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* First control point - Lenght: You can define a fixed lenght or use formulas for adaptive / calculated values |
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[[File:GC00015.jpg]] |
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* First control point - Angle: You can define a fixed angle or use formulas for adaptive / calculated values |
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[[File:GC00016.jpg]] |
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* Second control point - Lenght: You can define a fixed lenght or use formulas for adaptive / calculated values |
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* Second control point - Angle: You can define a fixed angle or use formulas for adaptive / calculated values |
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* Attributes: Specify the color, linetype and lineweight of the new node |
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|[[File:Seamly2d DrawModeTools17b.png|300x300px]] |
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|[[File:Seamly2d DrawModeTools17.png|450x450px]] |
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=== Curve - Fixed (Shortcut Alt+Shift+C) === |
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===[[File:GC00003.jpg|50px]] Tool Curve tool which uses point as control handle=== |
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|[[File:Cubic bezier.svg|50x50px]] |
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''Available since version 0.5.0.'' |
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|Create a curve between two nodes which uses other nodes to anchor the control handles |
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This tool uses 4 points to create a curve. So click on the 4 points in order of the direction you wish to go and a perfectly even curve will be created for you. |
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|Click on the first node, then the first control handle node, then on the second control handle node and then on the end node. The curve is calculated and can't be modified by individual values. |
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[[File:GC00017.jpg]] |
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[[File:GC00018.jpg]] |
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[[File:GC00019.jpg]] |
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*Name: Name of the new curve |
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The only way to edit this, is to delete the curve and create a new one using other points. You may only change the line colour. |
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* First point: Starting point of curve |
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* Second point: First control handle node |
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<span style="color: red;">Note: As with all lines and curves, it will reshape itself if the measurements change.</span> |
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* Third point: Second control handle node |
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* Fourth point: End point of curve |
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===[[File:GC00004.jpg|50px]] Tool Curved path=== |
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* Attributes: Specify the color, linetype and lineweight of the new node |
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Select all the points along the curve that you wish to create, press 'Enter' to end selecting and use the handles to tweak the curve to suit you. You need to select 3 or more points. |
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[[File:GC00020.jpg]] |
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[[File: |
|[[File:Seamly2d DrawModeTools18b.png|300x300px]] |
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[[File:GC00022.jpg]] |
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[[File:GC00023.jpg]] |
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|[[File:Seamly2d DrawModeTools18.png|344x344px]] |
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''Note. This tool was redesigned in version 0.5.0. Since 0.5.0 you can control length and angle of 'handles' by formulas.'' |
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===[[File:GC00005.jpg|50px]] Tool Segment a curved path=== |
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Select the curve that you wish to segment, a formula box will pop up and you can select the exact segment you wish to place a point in and complete the formula. |
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[[File:GC00024.jpg]] |
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[[File:GC00025.jpg]] |
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[[File:GC00026.jpg]] |
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<!--T:8--> |
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===[[File:GC00006.jpg|50px]] Tool for creating curves=== |
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''Available since version 0.5.0.'' |
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This is a great tool for creating full circle skirts but it has many other uses. Click on 7 or more points that you wish to use to create your curve and press 'Enter' when done. In the 1st image below, I have selected a number of points at random, just to show what it does. In the 2nd image, I have used it in the armhole (perhaps not the best place to use it). And in the 3rd image, I have used it to create the waist of a full circle skirt. |
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[[File:GC00027.jpg]] |
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[[File:GC00028.jpg]] |
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[[File:GC00029.jpg]] |
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===[[File:GC00007.jpg|50px]] Tool Point intersection curves=== |
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Select the 1st curve and then the 2nd curve. A point will be placed at the place where the 2 curves intersect. |
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[[File:GC00030.jpg]] |
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[[File:GC00031.jpg]] |
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===[[File:GC00008.jpg|50px]] Tool Point intersect curve and axis=== |
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Select the curve. Click 1st axis point and then the next. A point will be placed where the curve and axis line intersect, with a line from the 1st axis point to the new point. |
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=== Spline - Fixed (Shortcut Alt+Shift+S) === |
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[[File:GC00032.jpg]] |
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[[File:GC00033.jpg]] |
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[[File: |
|[[File:Cubic bezier path.svg|50x50px]] |
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|Create a curved path that passes through multiple nodes and uses other nodes to anchor the control handles |
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|Click on the first node, then the first control handle node, then on the second control handle node and then on the next pass-through node. Continue in this fashion to the last node. Press enter to complete the curve. The curve is calculated and can't be modified by individual values. |
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|[[File:Advice.svg|50x50px]] |
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|'''Important note:'''You need to select a group of 3 points after the first 4 point to continue the spline, where the first point of the three will deterine the length of the handle. |
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*Name: Name of the new curve |
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* Point: Selected point of path list |
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* Path: Selected points |
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* Attributes: Specify the color, linetype and lineweight of the new node |
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|[[File:Seamly2d DrawModeTools19b.png|300x300px]] |
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|[[File:Seamly2d DrawModeTools19.png|404x404px]] |
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=== Point - On Curve (Shortcut O, C) === |
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<span style="color: red;">Note: I have mostly used the armhole curve to demonstrate these curves, so that one can identify with the use and view the differences created by using the different curve tools. For instance, the 'Tool for creating curves' wouldn't be the ideal tool to use at the armhole.</span> |
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|[[File:Spline cut point.svg|50x50px]] |
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|Create a new node on a curve |
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|Click on the curve and enter the distance from the first node where you’d like to place a node |
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*Name: Name of the new node |
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* Curve: Selected curve |
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* Length: You can define a fixed length or use a formula for adaptive / calculated values |
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|[[File:Seamly2d DrawModeTools20b.png|300x300px]] |
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|[[File:Seamly2d DrawModeTools20.png|300x300px]] |
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=== Point - On Spline (Shortcut O, S) === |
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<span style="color: green;">Fabrice has created a pattern illustrating the use of various points, lines and curves that you may download for further instruction:</span> |
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|[[File:SplinePath cut point.svg|50x50px]] |
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|Create a new node on a spline |
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|Click on the spline and enter the distance from the first node where you’d like to place a node |
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*Name: Name of the new node |
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* Curve: Selected spline |
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* Length: You can define a fixed length or use a formula for adaptive / calculated values |
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|[[File:Seamly2d DrawModeTools21b.png|300x300px]] |
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|[[File:Seamly2d DrawModeTools21.png|300x300px]] |
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=== Point- Intersect Curves (Shortcut I, C) === |
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[[File:GC00035.jpg]] |
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|[[File:Intersection curves.svg|50x50px]] |
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|Create new nodes at the intersection of curves |
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|Click on the first curve and then on the second curve. A node will be placed where the two curves intersect. If the curves intersect more than once, you will then be able choose which intersection you would like, i.e. between the highest or lowest or the leftmost or rightmost point of intersection |
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*Name: Name of the new node |
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* First curve: First selected curve |
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* Second curve: Second selected curve |
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* Vertical take: Highest point (intersection at the top), Lowest point (intersection at the bottom) |
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* Horizontal take: Leftmost point (intersection on the left), Rightmost point (intersection on the right) |
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|[[File:Seamly2d DrawModeTools22b.png|300x300px]] |
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|[[File:Seamly2d DrawModeTools22.png|300x300px]] |
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=== Point- Intersect Curve and Axis (Shortcut C, X) === |
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http://forum.valentina-project.org/uploads/default/original/1X/ec23f8156c75587d9f8e5177caf94e81164f8ceb.val |
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|[[File:Curve intersect axis.svg|50x50px]] |
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|Create a new node along a curve at an angle from an axis node |
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|Select the curve and then the axis node. Enter the angle from the axis node where you’d like to place a node |
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*Axis point: Start point of axis. It's the second point you selected |
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*Curve: Curve you selected first |
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*Name: Name of the new node |
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* Angle: You can define a fixed angle or use formulas for adaptive / calculated values |
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* Attributes: Specify the color, linetype and lineweight of the new node |
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|[[File:Seamly2d DrawModeTools23b.png|300x300px]] |
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Latest revision as of 11:57, 9 June 2024
Draft Mode - Tools | Curve