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Aligning your Data in Stitch

Updated

Overview

Aligning data in Stitch ensures every scan in your iGUIDE project lines up correctly to produce accurate floor plans, properly placed panoramas, and a clean final tour. The process uses the captured laser data—a point cloud representing walls, floors, and objects—as the visual foundation for alignment.

This guide explains how to interpret laser data, use Stitch's auto-align and manual alignment tools, and resolve overlapping scan conflicts, helping Operators avoid drafting errors and deliver consistent, professional iGUIDE projects on every export.

In This Article

What is Laser Data?

  1. Laser data appears in Stitch as a dense point cloud representing the physical environment 
  2. It captures structural features such as walls, floors, ceilings, and objects 
  3. Clean, consistent data supports accurate floor plans and reliable drafting 
  4. Gaps or irregularities may signal scanning issues or obstructions to review

What is Data Alignment? 

Data alignment positions and rotates individual scans so they match up across the floor plan. Proper alignment keeps walls, doorways, and structural features continuous and accurate

Understanding Data Alignment in Stitch

  • Stitch's Arrange All Scans tool automatically snaps scans into position based on their relative locations
  • Manual adjustments are often needed in large or complex spaces
  • Accurate alignment supports clean floor plans, correct pano placement, and high-quality final iGUIDEs

How to Align Your Data

  1. Use the floor plan view to visually inspect how scans overlap
  2. Select and rotate misaligned scans using Stitch's alignment tools 
  3. Use visual cues in the laser data — straight walls and corners — to guide adjustments 
  4. Align scans early in the workflow to avoid issues during pano placement or export

Dealing with Overlapping Scans in Stitch

Common Causes

  1. Multiple scans taken from nearly the same position
  2. Scans captured too close together in tight spaces
  3. Extra scans added later without proper spacing

How to Resolve Overlapping Scans

  1. Watch for Stitch's overlap warning message and highlighted scans
  2. Manually move one or more scans to increase the distance between them
  3. Disable one of the overlapping scans if repositioning isn't practical

Best Practices

  • Maintain a minimum distance of 50 cm (19.7 in) between scan positions during capture 
  • Use the floor plan view to visually check for overlapping scan icons 
  • Resolve all overlap conflicts before exporting

Important Notes

  • Line of sight is crucial — Arrange All Scans relies on clear sight lines between positions; walls or objects can break automatic alignment
  • Overlap blocks export — Scans within 50 cm (19.7 in) of each other must be moved or disabled before the project can be exported

Frequently Asked Questions 

  • What happens if I skip the alignment step and go straight to export?
    • Skipping alignment can result in misaligned floor plans, inaccurate pano placement, potential export errors, and even draft rejection. It’s required to review and adjust alignment before exporting to ensure a clean and professional iGUIDE.
  • Why does my floor plan look distorted or uneven in Stitch?
    • This usually indicates that scans are misaligned or overlapping. Check the laser data for inconsistencies and use the alignment tools to reposition scans. Also, ensure that scans were captured with clear line of sight during the survey. 

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