Grid Lab

V3.13 · Composed by Bas Arkes

Project Canvas

Canvas Mode

Width (px)

Height (px)

Pixel mode uses the project canvas in pixels. Metric mode uses millimeters for the canvas and surface sizes.

View Layers

Project background grid

Surface color fills

Per-surface grids

Grid coordinates

Border coordinates

Grid circles

Grid diagonals ↘ ↙

Surface labels

Colourgrade bar

Automatic overlap bands

Snap surfaces

Show snap guides

Pattern Reference

Reference mode

-Global keeps grids, diagonals, and circles
aligned across all surfaces.
-Local restarts the pattern per surface.

Files

Surface export mode

Controls: drag a surface to move. Shift-drag locks movement horizontally or vertically. Ctrl-click surfaces to multi-select and move as a group. Drag rows in the Surfaces tab above/below each other to set layer order; the top row is in front. Drop on the middle of another row to group. Drag handles resize a single surface. Hold Shift while dragging a corner to keep proportions. Hold Shift while dragging an edge to resize from the selected Transform Origin. Press Delete or Backspace to remove selected surfaces. Ctrl+Z undo, Ctrl+Shift+Z redo. Hold Space or middle mouse to pan. Press C to center view. Hold Alt while dragging to disable snapping. Click panel titles to fold/open them.

Zoom 100% 3840 × 2160 0 surfaces 0 overlaps

Quick Ratio:

Layers

Drag layers above/below each other to set depth. The top row is in front. Surface layers can still be grouped for connected grid/circle alignment.

Detected Overlaps

Horizontal overlap px

Vertical overlap px

Type overlap values and press Enter to apply the exact shared pixels.

Projection Brightness

Projector lumens

Brightness efficiency %

Ambient light (lux)

Selected area

Projected brightness

Total surface light

Contrast estimate

Select one metric surface to estimate lux. This is a practical first estimate, not a calibrated photometric simulation.

Inspector

Select a layer to edit it.

Multiple surfaces selected. Move the group on the canvas or type a new Group X/Y value.

Selected

Total size

Group X

Group Y

Number fields accept math, for example 3840/2 or 100+50.

Name

Text

Text size

Text colour

Image layer

Origin X

Origin Y

Rotation °

Transform Origin

Resolution / width (px)

Resolution / height (px)

Physical size / width (mm)

Physical size / height (mm)

In Pixel mode, visible size follows the resolution 1:1 on the project canvas. In Metric mode, resolution and physical size are independent.

Grid size (px)

Grid size (mm)

Color ID

Line width (px)

Line colour

Fill opacity %

Line opacity %

Line width ranges from 0 to 10 px in 1 px steps. 0 px hides the line. Fill and line opacity are separate.

Colour Border

Colour Grid

Colour Background

Color ID is the default. Custom Colour keeps separate stored colours. Default custom: green border, red grid, black background.

Opacity %

Show this layer

Show local grid

Show label

V3.13 Cleanup

Background-image leftovers and unused helpers were cleaned. Projection Brightness is restored and still appears in Metric mode.