From point cloud to survey-grade deliverables — in one click.
Upload a survey no workstation could open, and get survey-grade bare-earth DEMs, surface and canopy models, and classified point clouds back fast — even the largest clouds run in parallel across many machines and finish in minutes, in one automated cloud run, reproducible to the byte, at a quality that meets and exceeds the federal standard (USGS 3DEP).
Nothing to install No license required Pay for what you process The compute takes a few hours — kick it off and walk away
Bare-earth DEM hillshade — creek-cut forest, vegetation removed, channel preserved
Colored elevation, same site
Per-cell uncertaintyshipped with every DEM
Every job deliversBare-earth DEMDSMCanopy height model · 25 cmClassified point cloudPer-cell uncertaintyDXF · LandXML · GeoTIFFTwo-epoch change detection
The problem
Flying the site is the easy half. With traditional desktop workflows, the hard part starts after you land.
If you process LiDAR for a living, none of this is news — it's the standard toolchain, and everyone fights it. If these sound like your week, you're who we built this for.
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The desktop pipeline is the bottleneck — not flying. Field crews collect faster than legacy tools can process.
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The capable tools are expensive and license-locked — seats, dongles, maintenance, and one machine that can run the job.
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Conventional DEMs round off the banks, scarps and breaklines your clients are actually paying you to capture.
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Legacy desktop pipelines won't reproduce their own surface — rerun the same data and get a slightly different DEM, which is hard to defend in review.
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In the desktop stack, classification is a separate manual step — another tool, another license, another day of cleanup.
PRISM·lidarcloud consolidates all of it into one upload — and hands back deliverables you can stand behind: byte-identical on rerun, within 2–5 cm of the industry-reference workflow.
How it works
Upload → Process → Inspect → Deliver.
Four steps from raw flight data to client-ready files — all in the browser.
1
Upload
Send your LAS/LAZ securely to the cloud. No conversion, no preprocessing on your side.
2
Process
Automated processing produces the bare-earth DEM, DSM, canopy height model at 25 cm, a classified point cloud, and per-cell uncertainty.
3
Inspect
Review everything in the browser — 2D map, 3D point cloud, elevation profiles, click-to-identify on any surface, and difference layers against USGS 3DEP or a prior survey. Clouds flown without a camera can be shown in true colour from public imagery.
4
Deliver
Upload survey control points for an accuracy report following ASPRS Positional Accuracy Standards, cross-check independently against USGS 3DEP, and export CAD-ready DXF / LandXML / GeoTIFF with FGDC metadata. Aligning to a prior survey? Change detection runs automatically — erosion and deposition volumes, canopy damage and growth — with the maps and statistics as pages in the report.
The deliverable package
Sample deliverables.
One upload returns a complete, ready-to-deliver package — terrain and surface models,
a classified point cloud, per-cell uncertainty, an accuracy report, CAD/survey files,
metadata and change products. The images below are rendered directly from real
PRISM·lidarcloud output rasters — coastal mangrove and creek-cut forest sites, real data.
Bare-earth DEM · coastal
Ground under dense mangrove
Bare earth recovered beneath heavy coastal canopy — with the subtle relief intact, not flattened into a guess.
Canopy height model · 25 cm
Vegetation, measured — not discarded
The same run that strips canopy from your DEM hands it back as a 25 cm canopy height model, ready for habitat, forestry, and carbon work.
What lands in the download — every job, no add-ons:
Bare-earth DEM
The terrain model with vegetation, buildings and noise removed — banks, scarps and grade breaks preserved, not rounded off.
GeoTIFF · 50 cm
Digital surface model (DSM)
The top-of-canopy / top-of-structure surface — everything the sensor saw, gridded to a clean raster.
GeoTIFF · 25 cm
Canopy height model (CHM)
Vegetation height above bare earth — ready for habitat, forestry, biomass and carbon work, from the same run.
GeoTIFF · 25 cm
ASPRS-classified point cloud
Every point labelled — ground, low / medium / high vegetation, building, water, road and power line — in the same run.
LAS / LAZ
Per-cell DEM uncertainty
A raster co-registered to the DEM that says, cell by cell, how well-supported the surface is — where data is dense and where canopy forced interpolation.
GeoTIFF · per cell
Accuracy report
A client-ready document with ASPRS-convention statistics, datum lineage, alignment residuals and a plain-language interpretation.
Word (DOCX)
FGDC CSDGM metadata
Standards-compliant geospatial metadata accompanying the rasters — provenance, datum and lineage a reviewer can cite.
FGDC CSDGM · XML
CAD / survey deliverables
Breakline-ready 3D polylines, points and TIN surfaces in Florida State Plane (ftUS) with NAVD88 heights — rebuilds correctly in Civil 3D-class software.
DXF · LandXML
USGS 3DEP comparison
An independent cross-check against the USGS national elevation model — signed difference layer and agreement statistics, labelled screening-grade. We also fetch the 3DEP point cloud and run it through the same engine, so the comparison is apples-to-apples — and you can spin the 3DEP cloud next to your own in the 3D browser.
GeoTIFF + report page · 3DEP cloud overlay
AOI extent products
The processed area-of-interest footprint as ready-to-share vector boundaries for GIS and your client's records.
KML · Shapefile
Two-epoch change detection
Align to USGS 3DEP — the default national reference — or a prior survey of your own, and the engine quantifies what moved: erosion / deposition volumes with a printed minimum level of detection, plus canopy damage and growth, as map and statistics report pages.
3DEP default · or your prior survey
True-colour cloud colorization
Flown without a camera? Drape the cloud in natural colour from near-flight-time NAIP aerial (US) or Sentinel-2 imagery — a visual layer only, decoupled from the DEM and classification. The source aerial is included and viewable as a dated raster layer in the 2D map, so you always know exactly what — and when — you're looking at.
colorized LAS / LAZ · dated source imagery
The accuracy report (Word). ASPRS-convention vertical accuracy
against your control points, the independent USGS 3DEP cross-check, datum lineage and a
plain-language interpretation — formatted for a licensed professional's review.
Difference vs USGS 3DEP — a real run. Blues Creek: our 0.5 m DEM minus the coarse national reference, co-registered surface-to-surface (the constant datum offset removed). 95.8% of the forest floor agrees within 0.5 m (RMSE 0.23 m); the divergence is the incised creek channel and its steep banks — up to ~3.6 m where our DEM resolves the cut that 3DEP smooths. Screening-grade against a national reference; re-fly a site or supply a prior survey and the package adds these co-registered change maps — in the same product zip.
One upload, one click, the complete package. The rasters, the classified
cloud, the uncertainty, the report, the CAD/survey files, the metadata and the
change products — all in one product zip, with no extra steps.
The product in action
Your data, in the browser.
Screenshots of the PRISM·lidarcloud workspace on the sites shown
above. Every layer, panel and tool is on tap — during and after processing — when you
want to dig in; or ignore them entirely and take the one-click result.
app.lidarcloud.app
The 2D analysis workspace — DEM, surface, canopy and uncertainty
layers over the basemap, with identify, profiles, checkpoint validation, the USGS 3DEP
cross-check and CAD/survey export one panel away.
app.lidarcloud.app
The built-in 3D point-cloud viewer — the classified cloud of an
agricultural research site, colored by class: crop rows, tree lines and ground, straight
from the same one-click run.
app.lidarcloud.app/?share=…
The client share view — send a client a link to one result and they
open exactly this in the browser, no sign-in and no access to your account. You choose the
link type: view-only (review before sign-off) or view + download (they
can also pull the full product package).
Run many, watch from anywhere
Fire off a batch and watch every job from one page.
Upload as many sites as you like, then track them all from your account — no
emailing yourself job IDs, no guessing whether a run finished. Each job shows
exactly where it is and what it will cost, on a page built for the desk and the field alike.
All your jobs, one dashboard. Every upload, named, in a single live list — kick off a queue and move on.
Live progress & ETA. Percent-complete, the current processing stage and an estimated time to completion that updates as the cloud works.
Cost per job, before you commit. Area-based pricing shown on each card and tallied in your usage ledger — you pay only for what you process.
Desktop, tablet or phone. The account page is fully responsive — start a job at your desk, then check it from your phone while the cloud runs.
Your account page — every job in one live list, each with
its progress, stage, ETA, area-based cost and status. No failures here: just work in
flight and product zips ready to download.
Why PRISM
Defensible by the numbers, beautiful by design.
Polished enough to deliver. Rigorous enough to defend.
Edges that survive
Banks, scarps and grade breaks are preserved, not smoothed away — measured: scarp crest preserved to ~1 cm, where the reference workflow rounds the same crest off by ~26 cm.
Reproducible by construction
The same input produces the byte-identical deliverable, run after run. When it's questioned in audit, you can prove it.
Integrated classification
Ground, vegetation tiers, buildings and water — labeled in the same run.
Survey-grade datums
U.S. outputs default to NAVD88 orthometric heights (rigorous per-cell GEOID18) on State Plane coordinates — county-correct Florida zones — with WGS84 ellipsoidal optional and EGM2008 fallback outside CONUS.
Accuracy you can hand to a client
Accuracy statements following ASPRS Positional Accuracy Standards (2014 & 2023 conventions) from your checkpoints, plus an independent cross-validation against USGS 3DEP — in a client-ready report with a plain-language interpretation.
No license required
Nothing to install, nothing to maintain, no seats to count. Open the browser, upload, and pay for what you process.
GUI and API — the full pipeline either way
Access the full power through the browser GUI and / or the API, whichever fits your workflow. Drive the whole pipeline from code — a REST API and a one-line Python / CLI client (pip install prism-lidarcloud) upload, poll, and download the product zip. Wire LiDAR into your own automation; the desktop incumbents can't.
See your LiDAR in full colour — even without a camera
Scanned without a camera? PRISM drapes your cloud in true colour from near-flight-time public imagery for a natural 3D view — a visual layer only, so it never touches the DEM or the classification you sign off on.
Hand your client a live link — your call on downloads
Send a client the interactive result, not just a zip. One click turns any finished job into a shareable link — they open the maps, 3D cloud and profiles in the browser with no account and no sign-in. You choose the tier: view-only (let them review before the products are signed off) or view + download (also release the full deliverable package). Your account, other jobs and settings always stay private; links expire automatically.
Technology & validation
Numbers you can put in front of a reviewer.
Every deliverable PRISM·lidarcloud ships is backed by a validation chain:
cross-validation against the industry-reference workflow, optional control-point checks,
independent national references, a public benchmark, and bit-level reproducibility.
The processing chain
What happens to your point cloud
The engine is a proprietary, self-contained scientific pipeline — no third-party GIS
licenses anywhere in the chain. Each stage is versioned, and every run records the exact
configuration that produced it.
Terrain-regime probing
Before any classification, the cloud is profiled — point density, canopy structure,
ground visibility, terrain roughness. Processing parameters adapt to the regime
(coastal mangrove behaves nothing like an open ag field), including automatic adaptation
across two orders of magnitude in point density, from sparse aerial collections to dense
drone surveys.
Ground classification
Bare earth is separated from vegetation, buildings, and noise — engineered to keep the
terrain features generic tools smooth away: bank tops, erosion scarps, ditch inverts,
grade breaks. Legitimate sparse ground returns under canopy are preserved.
Surface modeling
Bare-earth, surface, and canopy-height models at 25 cm. The ground surface preserves
crest lines and scarp lips that conventional interpolation rounds off — so banks and grade
breaks survive into the DEM. Every DEM ships with a per-cell
uncertainty raster, so you can see exactly where the model is well-supported and where
canopy occlusion forced interpolation.
Semantic classification
The delivered cloud carries eight ASPRS classes — ground, low/medium/high vegetation,
buildings, water, roads, and power lines — tuned to avoid the classic false positives
(mangrove canopy is not a building; a dry field is not a lake).
Optional true-colour view
Clouds flown without a camera can be draped in natural colour from near-flight-time public
satellite imagery (higher-resolution aerial over the US where available), date-matched to the
survey and cloud-masked. It is a visual layer only — strictly decoupled from the
engine, so it never changes the DEM, the surfaces, or the classification you sign off on, and
every colour is a measured imagery pixel (nothing is invented).
Validation & reporting
Your surveyed checkpoints produce an accuracy assessment following ASPRS Positional Accuracy Standards (both the 2014
edition and the 2023 second edition conventions). An independent cross-check against the
USGS 3DEP national elevation model runs automatically, and you can render signed
difference layers against 3DEP or a prior dataset in the browser. Deliverables export with FGDC
metadata, and the accuracy report is a client-ready Word document with an AI-assisted, numbers-grounded plain-language interpretation. Processing against a reference adds double-round co-registration on outlier-excluded stable ground and two-epoch change detection — erosion/deposition volumes with a printed minimum level of detection, canopy damage and growth — rendered as report pages. Comparisons against the coarse national raster are explicitly labelled screening-grade in the report.
The workflow
What runs when you click Process — and why
One upload starts the whole chain. The only decision you make is which reference your
survey is aligned to and compared against — a prior survey you upload, the USGS 3DEP
national model fetched automatically, or none. Everything else runs without you.
Why this order
Co-registration runs before differencing, so what the change maps show is
change — not misregistration; the alignment residual is printed next to the result.
Validation runs against references you don't control: checkpoints you surveyed and a
national model we can't tune. And the report discloses everything that was applied —
every offset, every comparison, every skipped step — so a reviewer can retrace the run.
Automatic first — manual only to verify
The manual tools are for verification and refinement; the pipeline has already done
these steps automatically. Upload control points, run the independent 3DEP cross-check,
re-run the alignment or apply a vertical adjustment whenever you want to see the evidence
yourself — the deliverables never depend on you doing any of it.
Measured, not promised
Validation results
Calibration runs on full-scale sites spanning the toughest cover types — coastal
mangrove, dense creek-cut forest, and agricultural research plots, 66 to 342 million
points each — processed end-to-end and compared against the industry-reference commercial
workflow and national reference data.
What was measured
Result
Reference
Bare-earth DEM agreement across terrain regimes
within 2–5 cm mean differencemangrove coast, creek-cut forest, agricultural plots
industry-reference commercial workflow
Coastal erosion-scarp crest elevation
within ~1 cm of the raw returnsthe reference workflow rounds the same crest off by ~26 cm
raw LiDAR returns
Reproducibility of every raster & cloud
byte-identical (MD5-verified)same input ⇒ same output, independent of machine load or core count
repeated end-to-end runs
Agreement with the national elevation model
σ ≈ 0.4–0.5 m on dense-forest terrainsurface-to-surface check dominated by the reference's own uncertainty and collection-epoch differences — not PRISM checkpoint accuracy
USGS 3DEP
Public benchmark — forest & rural ground filtering
median ≈5% total error (2–11% per sample)terrain-matched configuration, documented; in the range of the best published filters of its class
ISPRS ground-filter test (independent labels)
Building removal from the bare-earth DEM
all reference buildings correctly removedroof points classified, ground interpolated from true surrounding terrain
ag research site with known structures
How we test
A QA framework built on metrology principles, adapted for LiDAR
The engine's development discipline: no change ships unless it is quality-up, or provably
neutral — verified on full-scale calibration sites before promotion, every time.
ALL
Full-scale calibration sites
Coastal mangrove, dense creek-cut forest, and agricultural plots — chosen because each
terrain breaks a different assumption. Every engine change re-validates against all of them.
2×
Every surface inspected twice
Hillshade review from above — and from below. Underside relief exposes
classification artifacts that hide in a top-down view. If it isn't clean from both sides,
it doesn't ship.
MD5
Determinism as a test gate
Candidate changes must reproduce the locked production output byte-for-byte wherever
they claim no effect. Drift of a single byte fails the gate.
±cm
Checkpoint-calibrated uncertainty
Every DEM ships with a per-cell uncertainty raster showing where the model is well-supported.
Supply your own surveyed checkpoints and it is calibrated against them — so "how good is the DEM
here?" gets a numeric answer, not just a colour ramp.
3DEP
Independent cross-checks
Every processed site can be compared against the USGS national elevation model in one
click — an outside reference we don't control.
ASPRS
Standards-based reporting
Accuracy statements follow ASPRS Positional Accuracy Standards (Ed. 1 2014 and
Ed. 2 2023 conventions), with FGDC metadata on exports. Built to support a licensed
surveyor's review — never to replace it.
Survey-grade by default
Datums, projections, and CAD interchange
Vertical — NAVD88 by default
U.S. outputs default to NAVD88 orthometric heights via rigorous per-cell
GEOID18 undulation — not a single site-wide constant — the convention geomatics and
commercial-survey clients expect. WGS84 ellipsoidal heights are available as an
option, and outside CONUS the engine falls back to the EGM2008 global geoid.
Vertical adjustment from your control points is applied with full before/after disclosure
in the report.
Horizontal
State Plane coordinate systems with county-correct zone selection (Florida's zone
boundaries follow counties, not latitude — we resolve them the way a surveyor would),
US survey feet handled exactly.
Interchange
DXF (3D breakline-ready polylines, points, TIN faces) and LandXML 1.2 surfaces that
rebuild correctly in Civil 3D-class software — northing/easting order and all the
ingest foot-guns handled.
Provenance
Every output carries the exact engine and module versions that produced it. Two years
from now, you can state precisely how a deliverable was made — and regenerate it.
Standards & accuracy
Built to the specifications your clients require.
PRISM·lidarcloud produces deliverables conformant to the USGS Lidar Base Specification
(LBS) / 3DEP requirements, and reports vertical accuracy in the ASPRS Positional
Accuracy Standards conventions — both the 2014 first edition and the 2023 second
edition.
LBS / 3DEP-conformant deliverables
The product set is structured to the USGS 3DEP / Lidar Base Specification requirements —
bare-earth DEM, classified cloud, metadata and reporting. 3DEP is a
requirements-based program (it publishes specifications, not an algorithm), so we
describe the deliverables as conformant to the specification. The 50 cm DEM
matches the QL1 grid-cell size.
ASPRS vertical accuracy, from your control
The report computes ASPRS Positional Accuracy against your surveyed
checkpoints — NVA = 1.96 × RMSEz and VVA at the 95th percentile — and
states which accuracy class the data supports. We report the class the data earns:
the engine meets the 10 cm RMSEz class where the data supports it, demonstrated
against ≥20 surveyed checkpoints — never a class asserted without the control to back it.
Per-cell DEM uncertainty
A calibrated uncertainty raster shipped with every DEM. 3DEP delivers nothing like
it — you get a single project-level statement, not a per-cell answer.
Surface + canopy models
A 25 cm DSM and CHM in the same run. 3DEP delivers a bare-earth DEM; the surface
and canopy products here have no 3DEP equivalent.
Classification + CAD interchange
Semantic point-cloud classes plus DXF / LandXML surfaces — neither is a 3DEP
deliverable, and both arrive without a separate manual pass.
Honest about the line: we process delivered point clouds — we
don't fly the sensor, so we make no acquisition or boresight-calibration claims. We deliver
on top of the bare-earth DEM: per-cell uncertainty, surface
and canopy models, semantic classification, and CAD/LandXML interchange. A specific accuracy
class is only ever stated when it is backed by ≥20 of your surveyed checkpoints.
For geomatics & survey firms
The work between processing and delivery — already done.
Most tools stop at a classified cloud. PRISM·lidarcloud carries each job through the
steps a survey practice bills time for — CAD interchange, datum bookkeeping, accuracy
statistics, and the documentation a reviewing professional expects — in the same
one-click run.
CAD-ready deliverables
DXF and LandXML surfaces in State Plane coordinates with NAVD88 (GEOID18) heights,
ready for Civil 3D-class software — scale factor and full datum lineage stamped on
every file, so nothing arrives ambiguous.
Accuracy statistics, two references
Accuracy statistics following ASPRS Positional Accuracy Standards, computed against
your surveyed control points — plus an independent cross-check against the USGS 3DEP
reference surface. Residuals disclosed, not summarized away.
Change detection between epochs
Re-fly a site and the engine co-registers the epochs and quantifies what moved —
erosion and deposition volumes with a printed minimum level of detection — turning a
repeat flight into a monitoring deliverable.
AI-integrated accuracy report
An AI-assisted report formatted for a licensed professional's review workflow:
methodology, datum lineage, residuals, and limitations stated up front, with a
plain-language interpretation your client can read.
Where the licensed professional comes in: every PRISM
deliverable is clearly stamped DRAFT — not a sealed survey. Outputs are
intended for review and adoption by your firm's — or your client's — licensed surveyor or
geomatics professional. PRISM does not provide licensed surveying services.
The benchmark that matters is your site.
Run your hardest site through it yourself — free trial, full engine, next to your current tool's output
and your checkpoints if you have them.
Your point cloud in 3D — colorized by elevation, explored right in the browser.
The PRISM challenge
Test our data against your best existing workflows.
Run your hardest site through it yourself — free trial, full engine, no card. All it takes to start is your email. Put our deliverables next to your current tools.
Just your email — no card. Sign in with a magic link; your email address is all that's needed to start, no card, no commitment.
The full engine — not a limited demo. The same pipeline and the same deliverables paying customers get, on your own data.
14 days, up to 20 processed uploads. Plenty to run your hardest sites end to end and compare.
Up to 3 GB per LAS/LAZ file. Real survey-scale clouds, not toy samples — even dense, hundreds-of-millions-of-points surveys process automatically across multiple machines, no manual splitting.
Questions before you start? Write to us — happy to help.
What's next
On the roadmap.
Where PRISM·lidarcloud is heading — capabilities in active development, building on
the same one-click run you use today.
These are additions to a
complete, shipping, validated pipeline — not gaps in it. Everything above already runs in
production today; the items below extend it.
In development
PRISM-3D integration
Individual-tree segmentation and tree-level 3D structural metrics, derived from the
same one-click run that produces your terrain and surface models.
In development
Damage & change assessment
Automated tree-level and stand-level assessment of storm impact and forest-health
change between flights — extending the change detection that ships today.
In development
Expanded classification depth
Additional ASPRS feature classes in the delivered point cloud, widening the semantic
detail available straight out of the automated run.
The team
Built by the team behind a decade of airborne-LiDAR research from the University of Florida, Florida Agricultural and Mechanical University, and the United States Forest Service.
Associate Professor of forest ecology and geomatics in the School of Forest, Fisheries, and Geomatics Sciences. He co-directs the Spatial Ecology and Conservation (SPEC) Lab and the GatorEye Unmanned Flying Laboratory, the drone-borne LiDAR program at the heart of this work. His research spans spatial scales from the globe to the leaf, carrying him from the Amazon to Hawaii and back to the New England forests he grew up in.
Research faculty in the Center for Latin American Studies and co-director of the Spatial Ecology and Conservation (SPEC) Lab, where she also co-directs the GatorEye Unmanned Flying Laboratory. Her work centers on the human side of landscape change — how people and ecosystems shape each other across the tropics. She is core faculty in UF's Tropical Conservation and Development program.
Biological scientist and Gulf restoration program specialist with the USDA Forest Service, working with federal, state, and private partners to plan and carry out ecosystem and hydrologic restoration across the Gulf Coast. He is co-founder and co-director of FAMU's Center for Spatial Ecology and Restoration, a USDA Forest Service–Florida A&M partnership. His expertise runs through remote sensing, LiDAR, and ecological modeling of southern forests.
GIS program manager for the USDA Forest Service's National Forests in Florida and co-director of FAMU's Center for Spatial Ecology and Restoration. He brings more than two decades of hands-on geospatial experience to applied LiDAR and forest-mapping work across Florida's public lands.
Background
Built on GatorEye
The PRISM app family builds on more than a decade of proprietary GatorEye
algorithmic development by Broadbent & Almeyda Zambrano.
The underlying technology was developed at the University of Florida; commercialization
proceeds through UF’s technology-licensing process (UF Innovate | Tech Licensing).
Our mission is simple: take the rigorous kind of LiDAR processing that used to demand a
specialist, a high-end workstation, and days of work — and put it one click away in the cloud, for
anyone who needs to know the exact shape of the earth.