Visualizing results in 3DVisualizing results in 3D

SERVIR-Viz & World filesSERVIR-Viz & World files

Georeferencing raster filesGeoreferencing raster files

• Ways to georeference raster files (formats)– Grid– IMAGINE– TIFF

– JPEG– GIF– PNG– etc...

World filesWorld files

• A simple .txt file that includes:1. Pixel size (horizontal)2. Rotation about the x-axis3. Rotation about the y-axis4. Pixel size (vertical)5. X-Coordinate of the upper-left hand

pixel6. Y-Coordinate of the upper-left hand

pixel

World filesWorld files

0.0010490773613450.0000000000000000.000000000000000-0.001048887972782-90.17016105856306814.613347861462028

ExamplesExamples

• Landslide, Huahua, México• Landslide, Cerro Xicut, Guatemala• Lago Enriquillo, República

Dominicana• Others?

How to create a world fileHow to create a world file

• Just export it from ArcMap!

How to import images with world filesHow to import images with world files