Tagged Questions

8
votes
2answers
361 views

How to reclassify a very large land cover dataset?

Consider the NLCD2001 Land Cover dataset for Alaska (download link). I need to reclassify this dataset so that only pixels of value 41, 42, and 43 are preserved; all other pixel values should become ...
1
vote
0answers
116 views

Reclassify ESRI raster using variables from a SQL Server table (connecting with pyodbc)

I am trying to reclass a raster file (representing vegetation and land cover types) using values stored in a SQL Server Express table. I have a set of ~400 species records in the table, with each row ...
0
votes
0answers
107 views

How to Reclassify Raster using ArcGIS Engine?

i'd like to create an application that reclass a raster . user enter his/her range of class in a listbox . the application calculate minimum and maximum of band value . the problem is that i couldn't ...
2
votes
1answer
279 views

Creating a constant elevation raster with multiple attributes

Is it possible to create a raster with a constant value with multiple attributes? Such as: rowid value count Name 1 630 36000 Forest 2 630 75000 Anthro 3 630 2600 ...
3
votes
2answers
890 views

Reclassify raster values of 9999 to NoData, leaving all other values alone, in ArcGIS

I've got a really stupidly simple question, but I can't seem to work out how to do it. I have a raster in ArcGIS which has a number of cells with the values 9999, showing that the data could not be ...
3
votes
1answer
702 views

ReClassify Vector Data Between Values

I would like to be able to take all values between 1 and 10 and have a field define them as 1, and all values between 10 and 20 and set them to 2, how do I do that with vector data? I read how to set ...