IES TM-25
Ray File Viewer
Open .TM25RAY
or drop a ray file anywhere on the page
Rays drawn
5k
20k
50k
200k
Ray length 3.0 mm
Solid size 8 mm
Point size 0.010 mm
Rays
Points
Far-field solid
Colour
Polar angle γ
Start height z
Flux per ray
Spectrum colour
Camera view (near-field image)
Acceptance cone ±8°
Irradiance plane (near field)
Plane at z = 0.10 mm
Plane half width: auto
Grid
48 × 48
96 × 96
192 × 192
Reset camera
Left drag orbit · right drag pan · wheel zoom · keys 1/2/3 toggle views, C colour, [ ] ray length, R reset
Click to load the 3D viewer (WebGPU, ~5 MB download)
Opening a file starts it automatically
WebGPU is not available
The TM-25 viewer needs WebGPU: Chrome/Edge 113+, Safari 26+, or Firefox with WebGPU enabled.