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GIS Project 2 Chilliwack River Timelapse (Animating the changes…
GIS Project 2
Chilliwack River Timelapse
Creating river polygons
Assigned surface type
to each polygon
Shrubs
Trees
Gravel
River Channel
Create Polygons
from Vector lines
Created Vector lines by hand
for 2009 - 2014 data
Created from vector line
features available for 1952-1991
Obtaining Required Data
2009 - 2014 data
Download 2009 Orthophoto
from BC WMS services
Download Google Earth
imagery for 2012-2014
1952 - 1991 data
obtained from J: drive
Annual River Vector Lines
Annual Basemap Images
Georeferencing photos
Images needing
to be referenced
Original floodplain orthophotos (bonus)
Google Earth imagery for 2012-2014
Coordinate sources
TRIM raster of Chilliwack Valley
2009 GVRD East orthophoto
Animating the changes
Assembled completed
polygon layers chronologically
Used animation tools
Applied fading transitions
Adjusted number of frames
Blended layers while fading
Ensured polygons were
uniformly georeferenced
Ensured polygons had
uniform symbology