Pattern Node Manipulation

Created by Sunny Hart, Modified on Tue, 3 Mar at 9:07 AM by Sunny Hart

STEK EDGE • Canvas

Node Manipulation: Fine‑Tune Pattern Shape with Anchor Points

Adjust a pattern by moving anchor points (nodes) and curve handles to match your install style and real vehicle fit.

Purpose: Adjust a pattern by moving anchor points (nodes) and curve handles to match your install style and real vehicle fit.

Tools to: Canvas → Node Manipulation / Anchor Points

Tip: Use the dotted original outline as your reference while editing. Make small changes and validate before plotting.

Why this matters

Problem: Some jobs need precise changes—extra wrap, relief cuts, or refined edges—without leaving EDGE or accepting a default shape that does not match your install style.
What EDGE improves: Node Manipulation exposes anchor points and curve handles so you can fine-tune the outline with control.
Result: Better fit, fewer installation surprises, and patterns tailored to your workflow.

What this feature does

What it is: A canvas mode that shows nodes (anchor points) along the outline and lets you reshape the curve by moving points and handles.
What it helps you do: Extend edges, refine curvature, and create detailed modifications for fit and wrap.
What it does not do (optional): It does not guarantee perfect fit on every vehicle variation. Validate changes before plotting and installing.

Videos

Video

Video — Node Manipulation (Anchor Points + Handles)

Covers: Entering anchor point mode, moving nodes, using Shift Distance, adjusting handle behavior, and adding/removing anchor points.

When to use: When you need precise shape changes beyond simple layout tools.

Before you start

You need: A pattern opened in the canvas.
Recommended: Keep a clean version of the canvas (or duplicate) before heavy edits so you can compare and revert if needed.
Terms used (optional): Curve = outline; Node/Anchor point = editable point on the outline; Handle = curve control arms; Dotted line = original outline reference.

How to use it

Workflow

Workflow A — Recommended (move nodes with a visual reference)

Open Anchor Points
Where: Canvas → tools → Anchor Points
Do: Enable Anchor Points (Node Manipulation).
Expected result: Red dots appear around the outline (these are the nodes).
Note (optional): EDGE keeps node count intentionally low to make edits easier.
Select a node
Where: Canvas outline
Do: Click a red dot.
Expected result: The node is active and ready to move.
Drag the node to reshape
Where: Canvas
Do: Click and drag the node to a new position.
Expected result: The outline updates while a dotted line shows the original outline for comparison.
Use Shift Distance (optional)
Where: Node controls → Shift Distance
Do: Set a step size, then nudge with arrow keys.
Expected result: Each key press moves the node by the exact Shift Distance amount.

Workflow

Workflow B — Refine curvature with handles

Reveal handles
Where: Canvas
Do: Select a node.
Expected result: Handles appear on the node.
Choose handle behavior
Where: Handle settings
Do: Select a mode: Straight (linked), Leveled, or Independent.
Expected result: Handle movement follows the selected behavior.
Move handles to shape the curve
Where: Canvas
Do: Drag handle ends to adjust curvature.
Expected result: The curve changes on one side or both sides depending on the handle mode.

Workflow

Workflow C — Add or remove anchor points (use with caution)

Add an anchor point
Where: Node controls (Add point)
Do: Add a point only where you need extra control.
Expected result: A new node appears.
Remove an anchor point
Where: Node controls (Remove point)
Do: Remove an unnecessary point.
Expected result: The curve simplifies.
Validate the new shape
Where: Canvas (zoom + review)
Do: Review the outline carefully for kinks or unintended corners.
Expected result: The shape is smooth and intentional.

Tips

Make small changes, then re-check. Tiny node moves can have a large effect on fit.
Use the dotted original outline as your reference while editing.
Use Shift Distance for tight tolerances and repeatable adjustments.
Use Independent handles only when you need asymmetry; otherwise choose a smoother handle mode.

Common mistakes

Mistake: Moving a node too far and creating a sharp kink → Fix: Undo and redo with smaller moves (use Shift Distance).
Mistake: Overusing Independent handles and warping one side → Fix: Switch to Straight/Leveled and reshape gradually.
Mistake: Adding many anchor points to force the shape → Fix: Add the minimum needed for control.

Troubleshooting

Issue: Nodes are not visible
Cause: Anchor Points mode is not enabled
Fix: Enable Anchor Points from the canvas tools.

Issue: Movement feels too sensitive
Cause: Freehand dragging without measured steps
Fix: Set Shift Distance and use arrow keys for controlled nudges.

Issue: The outline looks uneven after edits
Cause: Handle mode or added points created inconsistent curvature
Fix: Switch to a smoother handle mode, reduce anchor points if possible, and compare against the dotted original outline.

Wrap-up

You reshaped a pattern using nodes and handles, and (if needed) added or removed anchor points. This gives you precise control so the final cut matches vehicle fit and your installation style.