Resampling Raster ArcGis/ changing the cell size of Raster dataset in ArcGis

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Made 4 Geek

Made 4 Geek

Күн бұрын

Usage
The cell size can be changed, but the extent of the raster dataset will remain the same.
This tool can only output a square cell size.
You can save your output to BIL, BIP, BMP, BSQ, DAT, GIF, GRID, IMG, JPEG, JPEG 2000, PNG, TIFF, or any geodatabase raster dataset.
There are four options for the Resampling Technique parameter:
The NEAREST option, which performs a nearest neighbor assignment, is the fastest of the interpolation methods. It is used primarily for discrete data, such as a land-use classification, since it will not change the values of the cells. The maximum spatial error will be one-half the cell size.
The MAJORITY option, which performs a majority algorithm, determines the new value of the cell based on the most popular values within the filter window. It is mainly used with discrete data just as the nearest neighbor method; Majority tends to give a smoother result than Nearest.
The BILINEAR option, which performs a bilinear interpolation, determines the new value of a cell based on a weighted distance average of the four nearest input cell centers. It is useful for continuous data and will cause some smoothing of the data.
The CUBIC option, which performs a cubic convolution, determines the new value of a cell based on fitting a smooth curve through the 16 nearest input cell centers. It is appropriate for continuous data, although it may result in the output raster containing values outside the range of the input raster. It is geometrically less distorted than the raster achieved by running the nearest neighbor resampling algorithm. The disadvantage of the Cubic option is that it requires more processing time. In some cases, it can result in output cell values outside the range of input cell values. If this is unacceptable, use Bilinear instead.
The Bilinear and Cubic options should not be used with categorical data, since the cell values may be altered.
To see more videos visit website : monde-geospatia...

Пікірлер: 8
@Bastuun
@Bastuun 7 жыл бұрын
the old switch-a-roo! Nicely done!
@sholagberutaofeeq4393
@sholagberutaofeeq4393 8 жыл бұрын
Nice presentation. . . .
@kamilyakgz4783
@kamilyakgz4783 7 жыл бұрын
Thank you. Very helpful.
@monaallam130
@monaallam130 2 жыл бұрын
Thank you for so much for this video , if i select Majority filter (3x3 pixel windows ) and my cell size is 9m , should i need to change the cell size to 27 m or can keep it without change and what the difference? thank you appreciate that.
@tlankimajinhlong4405
@tlankimajinhlong4405 4 жыл бұрын
sir, i cannot resample those raster layer which i converted from polygon fearures like road buffer,geology map etc..it came as error..is there anything that i might've missed?it work fine with original raster layer like DEM,SLOPE and satellite images like lulc,ndvi
@AMIR-iv2xh
@AMIR-iv2xh 7 жыл бұрын
Good Job
@sraddhagurung7299
@sraddhagurung7299 4 жыл бұрын
How can we address the changed value of "high"?
@ronalbambinho
@ronalbambinho 6 жыл бұрын
Should have sound ?
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