Hello.
I have an old fire scar data layer with a spatial reference of Sphere_ARC_INFO_Lambert_Azimuthal_Equal_Area. I want this to align with a raster image layer in WGS84 UTM 23N. The fire scars are not consistently mis-aligned from the raster image in any one direction, but are to the north or the southwest or the southeast of where they should be, depending on which part of the image I look at. Is this sort of thing correctable with a re-projection? If so, which one? And, which transformation?
I have tried opening a new ArcMap document and loading the fire scar layer first, forcing the data frame to Sphere_ARC_INFO_Lambert_Azimuthal_Equal_Area and therefore the raster image to project on-the-fly, but the fire scars are still ‘off’ in all the same crazy directions. I have also tried reprojecting the fire scar layer to WGS84 UTM 23N.
What do you recommend? Do I need to manually warp the fire scar layer with a geometric correction?
Thank you, Lynn
I have an old fire scar data layer with a spatial reference of Sphere_ARC_INFO_Lambert_Azimuthal_Equal_Area. I want this to align with a raster image layer in WGS84 UTM 23N. The fire scars are not consistently mis-aligned from the raster image in any one direction, but are to the north or the southwest or the southeast of where they should be, depending on which part of the image I look at. Is this sort of thing correctable with a re-projection? If so, which one? And, which transformation?
I have tried opening a new ArcMap document and loading the fire scar layer first, forcing the data frame to Sphere_ARC_INFO_Lambert_Azimuthal_Equal_Area and therefore the raster image to project on-the-fly, but the fire scars are still ‘off’ in all the same crazy directions. I have also tried reprojecting the fire scar layer to WGS84 UTM 23N.
What do you recommend? Do I need to manually warp the fire scar layer with a geometric correction?
Thank you, Lynn