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Transforming Rasters & Point Clouds

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Page 1: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Transforming Rasters

& Point Clouds

Page 2: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Agenda

• Point Clouds and Rasters in FME• New in FME 2016.1

• Do more with third-party tool

integrations

• LAStools

• ImageMagick

• Example point cloud to raster

transformation

• Advanced transformations for

big data problems• Viewshed Analysis with point

clouds

Page 3: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •
Page 4: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •
Page 5: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

New in FME 2016.1

• Autodesk ReCap

• Cesium 3D Point Clouds

• Sentinel 1 and 2

Page 6: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Third-Party

Tool

Integrations

Make even more

with LAStools and

ImageMagick.

Page 7: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Custom Transformers

LAStools wrappers

• LAStools.lasground

• LAStools.lasheight

• LAStools.lasnoise

• LAStools.lasclassify

• LAStools.lasgrid

• LAStools.laspublish

ImageMagick wrappers

• SVGReader

• AnimatedGIFWriter

Article & downloads: fme.ly/3rdparty

Page 8: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

LAStools wrappers

rapidlasso.com

Page 9: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

LAStools wrappers: LASpublish

http://fme.ly/surrey

Page 10: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

ImageMagick wrapper: AnimatedGIFWriter

Page 11: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Demo: Creating a Fancy Animated GIF

Page 12: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Example point

cloud to raster

transformation

Create a Digital Terrain

Model (DTM) and Digital

Surface Model (DSM)

from a point cloud.

Page 13: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Merge component values from

one point cloud to another.

Sort a point cloud by the

values of components.

Page 14: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •
Page 15: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Advanced

TransformationsUsing point cloud power

for Viewshed Analysis.

Page 16: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Viewshed Analysis

● Goal: Identify which land parcels have a view of the water

● Expressing a big data problem as a point cloud made the

impossible possible

● Millions of parcels and lines of sight = 17 billion points

○ Point clouds can handle this volume!

● Test if the DEM intersects with the line-of-sight points

Page 17: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Viewshed Analysis

Page 18: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

● FME is extremely efficient when

handling point clouds and rasters.

● Many powerful transformers and

custom transformers are available.

● Try using point clouds for your big

data problems.

Page 19: Transforming Rasters & Point Clouds - Swedendataflow.center/assets/pdf/wt16/WT16S_15_Brian... · Transforming Rasters & Point Clouds. Agenda • Point Clouds and Rastersin FME •

Thank you!

Questions?