Load YAML
No YAML
Load PGM
No PGM
No Keepout
Wall
Erase
Un-Scan
Keep-Out
Brush
8 px
Show Mask
Invert
Auto-levels
Filled
Download Map
Download Keepout Mask
Tip: Choose a target (Paint/Erase/Keep-Out), then a shape (Freehand/Line/Rect). Spacebar+Drag to pan. Shift+Scroll to zoom.
Drag & drop
your
.yaml
and
.pgm
here
…or use the buttons above
YAML preview
Debug
—
Legend
Wall: Sets map pixels to
0
(occupied/black)
Erase: map→
maxval
(free), mask→
255
(no-keepout)
Un-Scan: Sets map pixels to light gray (unknown)
Keep-Out: Draws black on mask (keepout)
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Map