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|**Stent deployment**|SDF-contact expansion of a crimped capsule-chain stent against the vessel wall, with bounding-box culling, KD-tree influence blending, and smooth-min C¹-continuous distance fields. |
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|**Stent deployment with straightening**|Identical to above, with concurrent projection of the stent axis toward a straight line at each step. |
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|**SDFStent deployment**|Signed-distance-field virtual stenting with expansion of a crimped capsule-chain stent against the vessel wall, with bounding-box culling, KD-tree influence blending, and smooth-min C¹-continuous distance fields. |
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|**SDFStent + straightening**|Same SDFStent deployment, with concurrent projection of the stent axis toward a straight line at each step. |
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|**Aneurysm creation**| Outward inflation at a centerline point via the scaling regularized Kelvinlet (F = s·I). |
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|**Stenosis creation**| Inward contraction using a truncated-sphere quartic bump profile. |
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@@ -46,7 +50,7 @@ All four modes are available through both the **interactive GUI** (PyQt6 + VTK)
@@ -241,20 +256,20 @@ horizontal rows. Each row groups related controls for a specific workflow.
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| Control | Type | Description |
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|---|---|---|
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|**Stent Length**| slider + text | Length of the capsule-chain stent along the centerline (1.0–8.0 cm). Adjusting this recomputes and redraws the stent axis vertices in real time. |
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|**Stent Diameter**| slider + text | Target deployed diameter of the stent (0.1–2.0 cm). This sets the radius goal for the SDF-contact expansion loop. |
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|**Stent Diameter**| slider + text | Target deployed diameter of the stent (0.1–2.0 cm). This sets the radius goal for the SDFStent expansion loop. |
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Both controls are bidirectional: dragging the slider updates the text field, and
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typing a value snaps the slider to match.
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#### Row 2 — Stent deployment
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#### Row 2 — SDFStent deployment
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| Control | Type | Description |
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|**Force Scale**| slider + text | Scales the magnitude of each displacement step (−1.0 to 1.0). Higher values produce larger per-step deformations; negative values reverse the direction. |
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|**Select Point**| button | Enters point-selection mode: the mesh becomes translucent and cyan glyphs appear at every centerline vertex. Click a vertex to select the stent's distal starting point. |
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|**Straighten Stent**| button | Runs one combined step of SDF-contact stent expansion **and** axis straightening — the stent is projected toward the line connecting its endpoints. |
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|**Expand Stent (One Step)**| button | Executes a single SDF-contact displacement iteration: the stent radius increments by one step and the vessel wall deforms outward at contact points. |
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|**Expand Stent**| hold button | Hold to run continuous SDF-contact expansion (fires every 50 ms). Release to stop. The title bar shows live FPS, current stent radius, and diameter. |
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|**Straighten Stent**| button | Runs one combined step of SDFStent expansion **and** axis straightening — the stent is projected toward the line connecting its endpoints. |
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|**Expand Stent (One Step)**| button | Executes a single SDFStent displacement iteration: the stent radius increments by one step and the vessel wall deforms outward at contact points. |
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|**Expand Stent**| hold button | Hold to run continuous SDFStent expansion (fires every 50 ms). Release to stop. The title bar shows live FPS, current stent radius, and diameter. |
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#### Row 3 — Stenosis creation
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@@ -289,7 +304,7 @@ typing a value snaps the slider to match.
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All scripts accept `--help` for full argument documentation.
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**Deploy a stent** — expands a crimped stent (initial radius 0.05 cm) to a
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**Deploy a stent (SDFStent)** — expands a crimped stent (initial radius 0.05 cm) to a
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deployed radius of 0.4 cm (diameter 0.8 cm), with a total stent length of
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1.7 cm. The distal tip is placed at centerline point ID 123. Intermediate
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snapshots are saved every 0.1 cm of radius change.
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