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I am converting polygon shapefiles to rasters. With arcpy I am using the function FeatureToRaster_conversion.

gp.FeatureToRaster_conversion(InFeatures, InField, OutRaster, InCellSize)

This function gives control of the cell size but nothing concerning the rotation.

I would like the output raster with a given orientation other than North. Say for example having the picture at 45 degrees.

Any ideas how I can achieve this? With or without using FeatureToRaster_conversion.

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I should have mentioned it is not the entire raster that I want to rotate but the actual cells (or pixel) that compose it. As it is the function convert from polygon to cells oriented at 0 degrees. I need this conversion from polygon to cells oriented at 45 degrees. If operating manually on Arcmap it will be similar to rotate (firstly) the map than export it as raster. – Noel Jan 16 '13 at 13:27
Doesn't Rotate(Data Management) does this? – Emi Jan 17 '13 at 10:16
If using 'Rotate' the entire picture will rotated around a given point (lower left corner by default). This will move spatially the features I have on the raster. This transformation is not wanted. I need to sample on my raster already oriented at 45deg the shapefile. Probably nobody looks at pixel level about raster but for my case it is important. – Noel Jan 24 '13 at 11:52
Making some progress. I start to believe arcpy might not support what I need. Gdal library does support rasterising on cells of different orientation. The SetGeoTransform function has arguments for rotation. An interesting thread on the subject here: – Noel Jan 24 '13 at 15:09
If you decide to come back to this question I recommend that you use the comments that you added onto it to revise it. – PolyGeo Jul 5 '14 at 19:47

You can rotate your raster using a Rotate Raster Tool. Find it in Data Management, Projections and Transformations, Raster Toolset. It works under all license levels.

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Maybe you can go through Rotate (Data Management). It rotates input raster.

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Don't really have a great idea as far as something in the API, but as far as a strategy you can find something that allows you to set the lat/lon values and simply calculate how to change them to satisfy a 45 degree rotation. If you switch those values you would get 180 degrees so find less than half of those values I would imagine.

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