Follow one small release on a dune's steep lee face. Inspect the moving patch, its downhill leading edge and the material left near the foot of the slope while the surrounding terrain remains readable.
A local sand slip: follow the slope, deposit and final rest
Follow one small release on a dune's steep lee face. Inspect the moving patch, its downhill leading edge and the material left near the foot of the slope while the surrounding terrain remains readable.
Original author method, not independently model-tested. No input image or generated result is supplied. The requested sequence is a fictional visual brief, not an observed avalanche or a validated sediment simulation.
1. Choose a readable slope and foot
Prepare a photograph or drawing you own or are permitted to use. Show a small dry-sand dune from a fixed oblique side view, with the upper brink, steep lee face and its foot all visible. Leave room below the slope for a small deposit. Choose two recognizable terrain references outside the intended moving patch, such as a distant ridge bend and an exposed rock on the adjoining flat ground.
Keep the central slope sufficiently detailed to distinguish a moving grain-textured patch from a sliding shadow. The view should reveal where the slope meets the flatter ground, without a foreground obstruction, a cropped foot or a dust cloud covering the path. Adapt every reference name to the actual input. A still image cannot establish grain friction, a critical slope angle or whether a real dune is about to fail.
Plan one small local release with stable light. The moving patch may alter the upper surface and its immediate margins; do not freeze the very material that must move. Reserve the fixed references outside that patch. If only a smooth silhouette or shifting brightness is visible, use a clearer authorized input or mark transport and deposition inconclusive. Reading and planning do not require making a new image.
2. Define the local sequence
USGS describes sand accumulating near a dune's brink and small avalanches traveling down its slipface. That is factual background for this brief. The selected small patch, readable deposition sequence and final resting interval are author choices for inspection; the source does not prescribe them for every avalanche or establish any MiniMax H3 capability.
Before a run, identify the upper release area, the visible route down the same face, the foot and the two outside references. Keep a complete view of this route so later material cannot simply appear below the frame.
Request a local surface release and a readable leading edge advancing downhill. Inspect moving grain-textured features behind it as well. An advancing dark boundary alone may be a shadow or a wipe, so it is insufficient evidence of transported sand.
Follow visible arrivals toward the foot and inspect a small deposit changing only after those arrivals. Compare the affected track with the neighboring face and the outside references. Do not demand that every hidden grain be individually tracked or that an upper area become an empty hole.
Continue into a resting interval. Check that the new track and deposit persist while motion diminishes, and that the whole dune has not translated. Treat repeated releases, cropped arrivals or an obscuring cloud as departures from this particular brief, not as proof of impossible natural behavior.
3. Prepare one manual attempt
Open image-to-video and select MiniMax H3 in a currently available mode accepting one first frame. Put your prepared image in the first-frame slot and leave any optional last frame empty. Check the actual settings and credit estimate, adapt the prompt to the image, then submit manually. Opening the workspace or copying text does not upload an image or start generation.
4. Use the complete original prompt
Use my prepared authorized dune image as the first frame. Keep one uninterrupted fixed oblique side view with steady daylight. Preserve the two outside terrain references and the surrounding dune's overall position. Let a small local patch near the upper part of the visible steep lee face release as loose granular sand. Show a readable leading edge advancing down that same face with grain-textured material moving behind it. Allow the release area and the immediate track to change; do not move the whole dune as one rigid block. Keep the complete path and foot visible. As material visibly reaches the foot, let a small deposit build and spread locally there; do not introduce a ready-made pile before arrival. Reduce the movement and finish with a readable resting interval, retaining the changed track and deposit. No blade, brush, falling object, narrow outlet, water-like sheet, opaque dust curtain, changing shadow, camera move, cut, reverse refill or instant terrain replacement. This requests one qualitative fictional event, without an exact angle, duration, flow rate or mass-balance claim. If the surface motion or arrivals cannot be resolved, the corresponding observation remains inconclusive.
5. Inspect the actual transitions
Watch the actual complete take. For each check record a time or frame interval, what is visible, and pass, fail or inconclusive with a reason. Compare the opening, transport, arrival and resting intervals together. A plausible final pile cannot establish how it formed, and a changing dark patch cannot alone prove surface transport.
- Opening: the upper release area, continuous slope and foot are visible in the same view; two references outside the moving patch establish the scene's position.
- Release: a limited part of the visible upper surface changes into moving grain-textured material. The entire dune does not slide as one solid object, and no cutting tool or new outlet is introduced.
- Transport: the leading edge progresses down the visible face with readable surface movement behind it. A moving shadow, smooth liquid sheet or texture sliding uniformly over an unchanged surface cannot alone pass.
- Arrival and deposit: visible material reaches the foot before the local deposit expands. Follow the transition over time; a pile revealed by a cut or arriving from outside the view is insufficient.
- Locality: the affected track changes while the outside terrain references and overall framing remain stable. Do not reject necessary changes inside the release area merely because they alter its original outline.
- Rest: motion diminishes into a visible ending interval and the track and deposit persist. An instantaneous final still, reverse refill or repeated automatic restart does not establish the requested resting sequence.
- Evidence limits: inspect glare, moving shadows, obscuring dust, missing frames and insufficient texture. Mark an unresolved transition inconclusive; do not claim measured angle of repose, grain identity, force or conserved mass from these projected images.
6. Repair one failure at a time
- The whole dune translates: reinforce only the two outside references and the small moving patch. Permit local surface change within that patch instead of fixing every edge.
- A dark stripe travels downhill without readable material: remove shadow and cinematic reveal language and request surface texture and stable light. If motion remains ambiguous, keep the result inconclusive.
- The deposit appears before arrivals: require the full path and foot to remain visible and let deposition follow visible arrival. Do not hide the mismatch with a cut.
- Sand behaves like pouring water: reduce the requested release and retain irregular granular surface motion. Do not label a continuous glossy sheet a successful granular event.
- The event loops or never rests: request a single modest release and a lasting resting interval. Keep the full take and record any extra release instead of trimming contradictory motion away.
7. Save the evidence and choose the right task
Keep the authorized input and its permission record, adapted prompt, actual settings and complete generated take. Save observations for release, downhill movement, arrival and rest. Normal saving of your own generated result remains available; no practice-file download is required.
This untested method assesses a visible sequence, not natural slope stability. It cannot infer a real failure threshold, hidden subsurface motion, grain size, exact volume, mass balance or H3 success rate. No real dune experiment, input suitability or physical accuracy has been verified. Use appropriate measured evidence if those claims matter.
For grains passing through a fixed constriction, use hourglass transfer. For a tool leaving a local track after contact, use brush-cleared dust. This brief instead follows a local free surface release, its downhill front, visible arrival and persistent resting deposit without a tool or outlet.
Prepare your input
Open image-to-video and select MiniMax H3 in a currently available mode accepting one first frame. Put your prepared image in the first-frame slot and leave any optional last frame empty. Check the actual settings and credit estimate, adapt the prompt to the image, then submit manually. Opening the workspace or copying text does not upload an image or start generation.
Keep the central slope sufficiently detailed to distinguish a moving grain-textured patch from a sliding shadow. The view should reveal where the slope meets the flatter ground, without a foreground obstruction, a cropped foot or a dust cloud covering the path. Adapt every reference name to the actual input. A still image cannot establish grain friction, a critical slope angle or whether a real dune is about to fail.
Plan one small local release with stable light. The moving patch may alter the upper surface and its immediate margins; do not freeze the very material that must move. Reserve the fixed references outside that patch. If only a smooth silhouette or shifting brightness is visible, use a clearer authorized input or mark transport and deposition inconclusive. Reading and planning do not require making a new image.
- Required: Prepare a photograph or drawing you own or are permitted to use. Show a small dry-sand dune from a fixed oblique side view, with the upper brink, steep lee face and its foot all visible. Leave room below the slope for a small deposit. Choose two recognizable terrain references outside the intended moving patch, such as a distant ridge bend and an exposed rock on the adjoining flat ground.