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1
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# GDAL commands to produced fused DEMs in the vicinity of the 60N Canada
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# boundary, using several "boundary-corrected" variants as well as the
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3
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# original uncorrected DEMs. Note that the multiresolution spline is not
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4
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# included here, because the associated fused layer is already produced
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5
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# in its entirety during that process.
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6
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#
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7
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# Jim Regetz
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8
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# NCEAS
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9
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10
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# uncorrected fused layer
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11
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gdalwarp -ot Int16 -te -136 59.875 -96 60.125 -ts 48000 300 \
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12
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srtm_150below.tif aster_150above.tif fused_300straddle.tif
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13
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14
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# exponential ramp of boundary delta to the north
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15
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gdalwarp -ot Int16 -te -136 59.875 -96 60.125 -ts 48000 300 \
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16
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srtm_150below.tif aster_150above_rampexp.tif fused_300straddle_rampexp.tif
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17
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18
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# exponential blend of predicted deltas to the north
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19
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gdalwarp -ot Int16 -te -136 59.875 -96 60.125 -ts 48000 300 \
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20
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srtm_150below.tif aster_150above_predexp.tif fused_300straddle_predexp.tif
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21
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22
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# gaussian blend of predicted deltas to the north
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23
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gdalwarp -ot Int16 -te -136 59.875 -96 60.125 -ts 48000 300 \
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24
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srtm_150below.tif aster_150above_predgau.tif fused_300straddle_predgau.tif
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25
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# gaussian blend of SRTM/ASTER to the south
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gdalwarp -ot Int16 -te -136 59.875 -96 60.125 -ts 48000 300 \
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28
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dem_150below_blendgau.tif aster_150above.tif fused_300straddle_blendgau.tif
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