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measure distance from slope percentage

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11-02-2016 04:18 AM
AndrewBrown13
Deactivated User

I was thinking that to measure a distance from a specific slope percentage, I would need to convert raster to vector and then use buffer. But the raster to vector doesn't work. Is there a better way? Basically looking to show a distance of 50 meters from a 10% slope.

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5 Replies
DanPatterson_Retired
MVP Emeritus

produce a raster which queries your slope for 10% ( ie "Raster'' = 10)... That will produce a binary grid of 0's and 1's, The equivalent of Buffer in Raster world is Expand.  if your cell size is 5 and you need 50, then Expand by 10...  You can also use the Euclidean distance tool then query for the distance, but that isn't really needed.

AndrewBrown13
Deactivated User

I used Slope and then changed the classification to just have points greater and points lower than 10%. But when I use expand it says "Content

Input raster: The input is not within the defined domain. ERROR 000863: Invalid GP data type
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DanPatterson_Retired
MVP Emeritus

what was your cell size and how many cells did you tell it to expand by?

check the help to confirm inputs Expand—Help | ArcGIS for Desktop 

AndrewBrown13
Deactivated User

Wouldn't go that far, that error came up on selecting the input.

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DanPatterson_Retired
MVP Emeritus

On selecting the input means that the input is not good.  Not much you can do about that except to use a backup if you have one, or recreate it from source.

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