[OKGIS] ArcMap "Extract Values to Points" Error

[Wilard Gustafson]

Hi Brad,
Yes I have converted many raster grids to vector polygons. 
Depending on what you want there are several ways to go about it. 
What type of data are you converting?

Will


bnesom at meshekengr.com wrote:
> In the same vein. Have you ever output raster to a vector polygon grid?
> Brad
> Sent via BlackBerry by AT&T
> 
> -----Original Message-----
> From: Wilard Gustafson <vu_loki at yahoo.com>
> 
> Date: Wed, 09 Apr 2008 08:16:43 
> To:Oklahoma GIS Community <okgis at gis.gis.ou.edu>
> Subject: Re: [OKGIS] ArcMap "Extract Values to Points" Error
> 
> 
> Good Morning David,
> I have run into this problem many times. It is very inconsistent, 
> i.e. it will work once then later it has problems. It seems to be 
> a problem with the topology of the shapefile. Try exporting the 
> shapefile and doing the same operation with the new shapefile. I 
> know that when I have this problem I am usually able to rebuild 
> the shapefile and get it to run. In other cases I have converted 
> the shapefile to ArcInfo coverage and back to shapefile.
> 
> Good Luck,
> Will
> 
> 
> David Murray wrote:
>> Hello,
>>  
>> I am trying to extract raster values to vector points using ArcMap 9.2.  
>> My rasters are 32 bit floating point grids.  Both rasters and vector 
>> point shapefiles use datum NAD1983, and have been projected into UTM 17N.
>> Every time I've tried to use the "Extract Values to Points" operation 
>> within Spatial Analyst Tools, I am returned the following error message:
>> An error was encountered while executing ExtractValuesToPoints.
>> ("esriGeoAnalyst.GridEngine") GRID ERROR   - Assignment to non-variable
>> Error in executing grid expression
>> Failed to execute (ExtractValuesToPoints_4).
>> How can I make this work?
>> ESRI Support has not helped.
>>  
>>  
>>
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