smoothing coarse resolution rasters, by bgs
DESCRIPTION
TRANSCRIPT
TalkingWith Maps
2010
Smoothing coarse resolution raster for integration with g
vector data (applied to GeoSure)(applied to GeoSure)
Di Di DDiego Diaz Doce
TalkingWith Maps
2010
Talking GeoSureWith Maps
2010
Collapsible deposits Compressible ground
Landslides Running Sand
Shrink swell Soluble rocks
Talking GeoSureWith Maps
2010
Collapsible deposits Compressible ground
Landslides Running Sand
Shrink swell Soluble rocks
TalkingWith Maps
2010
Talking GeoSureWith Maps
2010
Talking Dat
a
With Maps2010
. .
Initi
al D
sing
ProcessingP
roce
ssP
.Res
ult
.R
Talking Dat
a
With Maps2010
. .
Initi
al D
(coarse resolution)
sing
( )
ProcessingP
roce
ssP
.Res
ult
.R
TalkingWith Maps
2010
Talking Dat
a
With Maps2010
.
Initi
al D .
sing
SmoothingSmoothing
Processing .P
roce
ssP (coarse resolution)
.Res
ult
.R
TalkingSmoothingSmoothing
With Maps2010
3x3 t3x3 raster
TalkingWith Maps
2010 Low Pass Filter
1 1 1 7 5 2 7 5 21 1 1
1 1 1
1 1 1
7 5 2
4 8 3
3 1 5
7 5 2
4 4.2 3
3 1 5=
1 1 1 3 1 5 3 1 5
V lV lValue=( (7 * 1) + (5 * 1) + (2 * 1) + (4 *1 ) + (8 * 1) + (3 * 1) + (3 * 1) + (1 * 1) + (5 * 1) ) / 9 = (7 + 5 + 2 + 1 + 4 + 8 + 3 + 3 + 1 + 5) / 9 = 38/ 9
Value=( (7 * 1) + (5 * 1) + (2 * 1) + (4 *1 ) + (8 * 1) + (3 * 1) + (3 * 1) + (1 * 1) + (5 * 1) ) / 9 = (7 + 5 + 2 + 1 + 4 + 8 + 3 + 3 + 1 + 5) / 9 = 38/ 9= 4.2= 4.2
TalkingWith Maps
2010 Low Pass Filter
TalkingWith Maps
201025 m
25m x 25m raster cross-section
Talking3With Maps
20103 m
3m x 3m raster cross-section
Talking3With Maps
20103 m
3m x 3m raster cross-sectionafter Low Pass Filter
TalkingSmoothingSmoothing
With Maps2010
Talking Dat
a
With Maps2010
.
Initi
al D .
sing
SmoothingSmoothing
Processing .P
roce
ssP (coarse resolution)
.Res
ult
.R
TalkingWith Maps
2010
Talking Example 1: Shrink swell dataset (GeoSure)With Maps
2010
Current version Smoothed version
Talking Example 2: Shrink swell dataset (GeoSure)With Maps
2010
Current version Smoothed version
Talking Example 3: Landslides dataset (GeoSure)With Maps
2010
Current version Smoothed version
Talking Example 4: Landslides dataset (GeoSure)With Maps
2010
Current version Smoothed version
TalkingWith Maps
2010