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- Display a grid stack without linear contrast stretch
When grid stacks display with IMAGE, a linear contrast stretch applies. Instructions provided describe how to display a grid stack without linear contrast stretch. - What is the maximum size a raster Grid can be?
What is the maximum size a raster Grid can be? The maximum size any single file ArcGIS 8.x, ArcInfo Workstation and ArcView 3.x can address is 2.147 GB. This is a limit of 32 bit application soft... - Duplicate points removed in Spatial Analyst are not always the best choice
When running datasets that have duplicate points through a suface interpolator operation (IDW, Spline, Kriging) in Spatial Analyst, the points that are removed are not always the best choices. - Operation Failed [using Shortest Path function]
The Shortest Path function in Spatial Analyst, when using the output distance and direction rasters generated by the Straight Line Distance function, returns the message: "Operation Failed" - Files left behind on disk when performing certain Spatial Analyst functions
Some temporary files are not being removed after some Spatial Analyst functions complete processing. - Default working directory for Spatial Analyst cannot be found on Windows 2000
The default working directory for Spatial Analyst cannot be found by navigating to its location in a file browser on a Windows 2000 machine. - Failed to evaluate the calculator expression
The error message "Failed to evaluate the calculator equation" appears after clicking Evaluate on the Raster Calculator dialog box. - Both temporary and permanent rasters are created when an output name is specified in the Raster Calculator
When typing “outraster = [inlayer]” into the Raster Calculator, the result added to ArcMap is not “outraster”, but a temporary grid with a different name. The permanent “outraster” is saved to disk. - A layer with the same name as another layer is not used in an analysis
If there is more than one layer in the table of contents (TOC) with the same name, Spatial Analyst will use the first layer added to ArcMap to perform an analysis, regardless of the layer you select ... - Reclassifying data using a string field gives incorrect results
When reclassifying a raster using a string field, the contents of output raster attribute table may not be as expected. - Operation Failed [using Zonal Statistics]
When running the Zonal Statistics function in Spatial Analyst, the following error message may occur: "Operation Failed" - Running the Spatial Analyst interpolation functions IDW, Spline, or Kriging returns 'An invalid field name was used' error
This error occurs when running the Spatial Analyst interpolation functions IDW, Spline, or Kriging: "An invalid field name was used" - Can contours created with the Contour tool in Spatial Analyst be saved?
Contour features can not be saved to a dataset in ArcGIS 8.1. The contours exist only as graphics. - When clicking the Histogram tool to create a histogram of a raster layer, 'An invalid field name was used' error is returned
This error occurs when clicking the Histogram tool to create a histogram of a raster layer: "An invalid field name was used" - Encountered a simple conflict when adding remap records
Attempting to run Reclassify on a floating point raster, where the raster is a constant value, produces the following error: "Encountered a simple conflict when adding remap records." - Values of -9999 not recognized as NoData by the Density function
In the Density function of Spatial Analyst, values of –9999 are not being recognized as NoData. - The extent of the output raster from calculating Viewshed on a non-grid raster is incorrect
If you run Viewshed using a non-grid input surface with the analysis extent set to the intersection of inputs, the extent of the output will be that of the input points. This will be a problem if th... - Output of Contour and Kriging functions has the extent of the input and not of the mask
A mask is set in the General tab of the Options dialog box of Spatial Analyst. The Contour or Kriging function is run on a dataset that has a larger extent than the mask. The output dataset has th... - Feature output from Spatial Analyst cannot be saved to a geodatabase
Geodatabases are not listed as an output choice when converting from raster to features. - Why is the setting for the Snap Extent not saved when the Map Document is saved?
The setting in the Options dialog is not retained because the layer or dataset it was based on might no longer be present, so it is set back to None. - Raster layer result from ISurfaceOp:: Curvature method displays blank in ArcMap
When the parameters for creating a plan and a profile are set to true in the ISurfaceOp::Curvature method, the output is a raster that references three raster datasets. If only one of the plan or p... - IZonalOp::ZonalStatistics fails when both a string field and a selection are used in RasterDescriptor
When calling the IZonalOp::ZonalStatistics method, if the zone is defined by a RasterDescriptor in which both a selection and a string field are used, the operation fails. - Spatial Analyst output raster contains no values when mask has a different projection than data frame
The output raster from a Spatial Analyst function contains no values when the mask is set to one particular spatial reference and the data frame is set to another. - Which method is used to calculate the standard deviation of a grid, sample or population?
There are two possible ways to calculate the standard deviation of a grid. The first would be to use all the cells in the grid. Since all cells are used, this is said to be using the population. ... - ArcMap closes when running a Spatial Analyst function
ArcMap crashes when running a Spatial Analyst function. - Why is the extent for analysis results ignored when set to Union of inputs?
For some spatial operations that need more than one input (such as Cost Weighted Distance), the analysis extent setting Union of inputs is observed if the Distance to input is feature data. If the Di... - Why is my shapefile converted using Spatial Analyst 8.1 not available as a theme in ArcView 3.2?
When converting a non-grid raster dataset to a feature dataset, the .shp extension is appended to the end of the extension of the raster format by default (such as myoutput.img.shp). The feature wil... - Nothing happens when running a Spatial Analyst function
Nothing happens when clicking OK on the dialog box of a Spatial Analyst function. - The histogram for a band of a multiband raster displays information for the previous band
The Stretched option of the Renderer is applied to a multiband raster and the Symbology window is closed. If the Symbology window is reopened, another band selected, and the Histogram button is clic... - Get more accurate results from the Zonal Statistics function
Instructions provided describe how to get more accurate results from the Zonal Statistics function. Running the Zonal Statistics Spatial Analyst function with features as the zones gives a result tha... - Activating one of the zoom tools before adding data to ArcScene can cause it to crash
This problem is addressed in ArcGIS 8.1 Service Pack 1. See the Related Information section to download this pack. The ArcScene application can crash when selecting one of the zoom tools before ad... - Type mismatch
ArcMap returns the error, "Type mismatch", when using the ReclassByRemap function to reassign grid cell values. - Some Spatial operations fail when using RasterDescriptor or FeatureClassDescriptor objects
Some Spatial operations (Ops) fail when using a RasterDescriptor or FeatureClassDescriptor object, which is created with an invalid query filter. - Can command line GRID requests be used in ArcGIS Spatial Analyst?
Most command line GRID Functions can be typed straight into the Raster Calculator of the Spatial Analyst. For more details on entering functions into the Raster Calculator, consult the following s... - Grid EXPAND() function does not expand as expected with zone value of zero
If there is no value of zero in a grid, and zero is specified as a selected zone along with another valid value, the EXPAND() function output will be identical to the input. The expand function wo... - How many grids can be created within a Visual Basic subroutine?
In versions of ArcGIS prior to 9.0, only 50 temporary grids can be created within a Visual Basic subroutine. This limit can be lower if users have a number of other open grids. This limit is removed ... - How many grids can be open at one time in a Visual Basic session?
Only 50 rasters of the ESRI GRID format can be open at one time in a Visual Basic session in pre-ArcGIS 9.0 versions. As a workaround for pre-ArcGIS 9.0 versions, if there are temporary grids, sa... - An error is returned using the Raster Calculator when a shapefile mask is set
This problem is addressed in ArcGIS 8.1 Service Pack 1. See the Related Information section to download this pack. If a shapefile is used as a mask for an analysis operation, an error, "The cell s... - Failed to evaluate the calculator equation
Running the POINTDENSITY Spatial Analyst function in the Raster Calculator on a coverage produces this error: "Failed to evaluate the calculator equation." - Definition Query is ignored by Spatial Analyst functions
Using a Definition Query for a layer is ignored by Spatial Analyst functions. After setting up a query, running a Spatial Analyst function, such as Convert Features to Raster, all features, includ... - The FILL command incorrectly fills some sinks
The Fill command incorrectly fills a sink if it is one cell off the edge of a DEM and the pour point is along the edge. The Fill command works correctly for any other sinks that might exist in a DEM. - Values for the whole dataset are displayed in the histogram for a clipped raster
The Histogram tool on the Spatial Analyst toolbar displays values for the entire dataset, not just the clipped portion. - Spatial Analyst Histogram tool does not work when a selection is present on a floating-point raster
Creating a histogram using the Histogram tool on the Spatial Analyst toolbar causes a fatal error if there is a table attribute selection present on a floating-point raster. - Spatial Analyst Viewshed function produces incorrect results
The result from the Viewshed function is incorrect, it shows that many areas that should be visible are not visible. - Could not open raster dataset from file
The error "Could not open raster dataset from file" occurs when peforming certain functions using the Raster Calculator. - IHydrologyOp.Fill leaves temporary intermediate grids in the working directory
The IHydrologyOp.Fill method generates output as a temporary grid. This output is deleted from the working directory unless it is saved; however, intermediate temporary grids are left behind in the w... - Failed to copy the specified file
The IHydrologyOp.Fill fails to work the second time in a single session on some datasets. The method reports this run-time error: "Failed to copy the specified file." - Extracting a raster using the IExtractionOp::Circle method returns an incorrect result
When using the IExtractionOp::Circle method, setting the parameter selectInside to true returns a raster outside the circle instead of inside. - Some Spatial Analyst functions are slower in ArcGIS 8.1 than before Beta 2
The performance of some Spatial Analyst functions is slower in ArcGIS 8.1 than before the Beta 2 release. The performance can be 5-8 times slower with grid inputs. - Change the font in the Raster Calculator
Steps to change the font of the expression typed in the Spatial Analyst Raster Calculator. This option is available in ArcGIS Version 8.1.2. - Should the commands BUILDVAT, MERGEVAT and BUILDSTA work in the Raster Calculator?
At ArcGIS 8.1.2, you can type the commands BUILDVAT, MERGEVAT and BUILDSTA into the Raster Calculator. For example: Input dataset is located on disk: BUILDVAT d:\data\ingrid Inputs ... - When running the SAMPLE function in the Spatial Analyst Raster Calculator, 'Failed to evaluate the calculator equation' is returned
**This issue has been fixed in ArcGIS 8.1.2** The error message "Failed to evaluate the calculator equation" occurs, when running the SAMPLE function in the Spatial Analyst Raster Calculator. S... - In ArcGIS Spatial Analyst 8.x and ArcInfo Workstation GRID, why do NODATA patches appear near barrier lines with the IDW interpolator?
The NODATA cells are a result of the IDW algorithm and the method used to select points for interpolation. Each input point uses a radius of influence to select the points for interpolation. Thi... - The Working Directory location cannot have a space in the path name. Please specify a new location
This error occurs when clicking OK on the Options window of Spatial Analyst: "The Working Directory location cannot have a space in the path name. Please specify a new location." - Navigating to an input raster in the Reclassify dialog box of the Spatial Analyst causes 'Fatal Error'
Navigating to an input raster in the Reclassify dialog box of the Spatial Analyst causes a fatal error. - Can I modify the lookup table to define the most likely flow direction?
The GRID function FLOWDIRECTION creates a grid of flow direction from each cell to its steepest down-slope neighbor. If a cell has the same change in z value in multiple directions, and is not par... - Do not support "SRPE: SDTS RASTER PROFILE and EXTENSIONS"
An error occurs when running the STDSIMPORT command either from the command line or from the wizard: STDSIMPORT 1015 newgrid Importing ARC coverages newgrid from SDTS/TVP transfer 1015 IDEN... - What version of ANUDEM does the Topogrid command in ArcInfo Workstation use?
TOPOGRID uses ANUDEM 4.5. for ArcInfo 7.2.1. For more information on TOPOGRID, refer to the online help. For specific information on ANUDEM, refer to the references listed in the online help. Th... - Merge rasters using ArcGIS Spatial Analyst
Instructions provided describe how to merge rasters using ArcGIS Spatial Analyst's Raster Calculator. This method allows the combination of up to 23 rasters at a time. - What is the algorithm used in the ASPECT function in GRID or Spatial Analyst?
Aspect identifies the compass direction of the maximum rate of change in value from each cell to its neighbors. Aspect can be thought of as the slope direction. Consider a 3x3 moving window over ... - Operation Failed [setting Create Allocation]
The Straight Line tool in Spatial Analyst fails with this error when setting Create Allocation: "Operation Failed" - Obtain decimal precision for direction from EUCDIRECTION function or Straight Line tool
Instructions provided describe how to obtain decimal precision for direction from the EUCDIRECTION function or Straight Line tool. The EUCDIRECTION function calculates the direction, in degrees, tha... - Find the number of points in a grid using Spatial Analyst
The following steps demonstrate how to find the number of points that fall within each cell of a grid. - What GRID functions can be used in the Raster Calculator?
The following GRID functions can be accessed with the Raster Calculator: ABS FOCALMIN ROTATE ACOS FOCALMINORITY SAMPLE ACOSH FOCALRANGE SELECT AGGREGATE FOCALSTD SELECTBOX ASCIIG... - Selection on a raster returns an error if no output raster is specified in the Raster Calculator
Typing "[inlayer] == 5" in the Raster Calculator returns the error "Failed to evaluate the calculator equation" but typing "outgrid = [inlayer] == 5" works. - Are there any more details on the outputs and calculations of the CURVATURE function?
Are there any more details on the outputs and calculations of the CURVATURE function? - SEARCH and NEAREST options of the Grid RESAMPLE function return the same results
When using the Grid RESAMPLE function, the SEARCH option and NEAREST option return the same results. - Mosaic multiband images using ArcGIS and Spatial Analyst
Steps to mosaic multiband images in ArcGIS using the Spatial Analyst extension (required). - Failed to complete the calculator equation
When calculating Zonal Statistics using a feature dataset (coverage or shapefile) for the Zone layer in the raster calculator returns the following error: "Failed to complete the calculator equati... - The output from the CutFill function is displayed incorrectly
The output values from the CutFill function are correct, however, the output is displayed incorrectly. The values from the Value field are being used rather than those from the Volume field. T... - The Spatial Analyst Functional Reference is not accessible from the ArcGIS Desktop Help system
{*i26463*} In some cases, the Spatial Analyst Functional Reference is not launched from the link directly under the Spatial Analyst documentation in the contents of the ArcGIS Desktop Help system. - Clip a multiband image using ArcGIS and Spatial Analyst
Instructions provided explain the procedure to clip or sub-set a multiband image. The Spatial Analyst extension is required. - Use the IInterpolationOp Krige method in Spatial Analyst Extension
This VBA code sample illustrates to use IInterpolationOp's Krige method. - use IInterpolationOp::IDW in Spatial Analyst Extension
This VBA code sample demonstrates how to use the IDW method on IInterpolationOp. - What are the results of Cut/Fill?
The results of the Cut/Fill tool in 3D Analyst and Spatial Analyst are returned in a Grid VAT. The VALUE item could be considered a contiguous zone of cells that have had some change in the surface. ... - Operation Failed [using Density function]
The Spatial Analyst Density function returns the following message: "Operation Failed" - Convert GTOPO30 DEM data to a grid using ArcGIS
You can use ArcGIS Spatial Analyst to convert a United States Geological Survey (USGS) GTOPO30 digital elevation model (DEM) to an ESRI grid format. Click the USGS GTOPO30 link in the Related Inf... - GRIDPOLY output does not align with output from the Raster to Features function in Spatial Analyst
The output coverage from the GRIDPOLY command or the Grid to Polygon Coverage tool in ArcToolbox does not align well with the output shapefile from the Raster to Features function in Spatial Analyst. - Why are temporary Spatial Analyst results saved to the Profiles folder when saving the map document?
This is fixed in ArcGIS 8.2. When you save the map document, any temporary results from analysis will be saved into your working directory, which is set on the General tab of the Options dialog b... - Can tests for spatial autocorrelation be done in ArcGIS?
Yes, starting at ArcGIS 9.0, the Spatial Statistics Toolbox in ArcToolbox provides a number of tools to measure spatial autocorrelation, analyze spatial patterns (clustering or dispersion) and asses... - Is the PolyGrid function supported in the Raster Calculator?
No. The PolyGrid function is not supported in the Raster Calculator. In ArcGIS 9.0 and later, the Feature to Raster tool can be used from within the 'To Raster' toolset of the Conversion Tools' t... - Install extensions to ArcGIS Desktop
Instructions provided describe how to install the extensions for ArcGIS Desktop. Below are the items needed prior to install: ... - Round floating-point raster values in Spatial Analyst
Floating-point rasters usually have decimal values for each cell. These numbers can be rounded, and the output converted to an integer grid. The output will still be a continuous grid, not a discret... - Set the Environment settings for Zonal Statistics when using a feature layer as the zone layer
When running Zonal Statistics in Spatial Analyst, the analysis properties must be set correctly, otherwise the output table may be incorrect or have incomplete results. The features used in the zone ... - Why are the options on the 3D and/or Spatial Analyst toolbars greyed out?
The extension has not been activated. In ArcGIS, you can add any desired toolbar to the GUI. However, a few require the activation of an extension, similar to that found in ArcView 3.x. Navigate t... - Limit the values of a raster with Spatial Analyst
Instructions provided explain the procedure to use the Spatial Analyst Raster Calculator and a conditional statment to limit the values in a raster. - Operation Failed [Index of common causes]
Below is a list of all common causes that may generate the error message: "Operation Failed" The articles below address the various causes, and provide a workaround when available. Please not... - Create contours from XY data using Spatial Analyst
Instructions provided describe how to create contours from XY data using Spatial Analyst. - Invert a surface using ArcGIS Spatial Analyst
Instructions provided describe how to invert a raster surface. This process changes the highest cell values into the lowest and vice versa. - There are inconsistencies in the Using ArcGIS Spatial Analyst tutorial documentation
At ArcGIS 9.0, there are minor inconsistencies between the Quick-start tutorial documentation in the Using ArcGIS Spatial Analyst book and the software. Exercise 1: "Adding data to your ArcMap ... - Convert a grid to a text file of x-, y- and z-values of the center of each cell with the SAMPLE function
While the ArcToolbox Conversion tool 'Grid to ASCII' will produce an ASCII file that stores the z-values of each cell of a grid, there is no x and y coordinate for the center of each cell. Intstructi... - Convert a grid to a text file of x-, y- and z-values of the center of each cell with the Grid to Features function in the Spatial Analyst toolbar
While the ArcToolbox Conversion tool 'Grid to ASCII' will produce an ASCII file that stores the z-values of each cell of a grid, there is no x and y coordinate for the center of each cell. This artic... - What are the RECLASS remap table formats between the Spatial Toolbar, Map Algebra, ArcObjects and Toolbox?
The following document summarizes the differences between available remap table formats for reclass operations. I) Remap table formats: ArcGIS Spatial Analyst Toolbar RECLASSIFY... - Display more than 65536 records in a GRID Attribute Table (VAT)
Instructions provided describe how to display more than 65536 records in a GRID Attribute Table. If there are more than 65536 records in a Grid attribute table, only 65536 records are displayed and u... - ("esriGeoAnalyst.GridEngine") Could not open raster dataset from file
The following error message appears after using the Combine tool. "("esriGeoAnalyst.GridEngine") Could not open raster dataset from file" - Failed to execute (RasterToPolygon_1) or (RasterToPoint_1) or (RasterToPolyline_1)
When attempting to convert a raster to a polygon or point or polyline feature class, the following error message is displayed: "Failed to execute (RasterToPolygon_1)" "Failed to execute (RasterTo... - Create a VAT
A value attribute table (VAT) is built by default for any integer raster that results from an expression, if the range of values (maximum minus minimum) in the raster is less than 100,000 or if the n... - Invert a surface with ArcGIS Spatial Analyst
Instructions provided describe how to invert a surface with ArcGIS Spatial Analyst. Inverting a surface will make the lowest cell the highest and vice versa. - Has the default rendering of TINs in ArcScene changed from previous releases of ArcGIS?
Yes. At the 9.0 release of ArcGIS, TINs are displayed by default using the rendering combo of Edge types and Faces. At previous releases of ArcGIS, TIN display in ArcScene defaulted to Edge types an... - Operation Failed [using Interpolate to Raster functions]
The Spatial Analyst Interpolate to Raster functions return the following message: "Operation Failed" - Ensure compliance between ESRI's ArcGIS 9.x Desktop and Leica's LPS 8.7
Instructions provided describe how to ensure compliance between ESRI's ArcGIS 9.x Desktop and Leica's LPS 8.7. The recent releases of ArcGIS 9.x Desktop; including ArcView, ArcEditor, or ArcInfo lice... - Zonal Statistics and Zonal Statistics As Table generate different results
{*i27644*} Zonal Statistics executed from the Spatial Analyst toolbar, and the Spatial Analyst toolbox (Zonal Statistics As Table tool) within the ArcToolbox window, will generate different result... - Using a polygon with m or z values as an analysis mask, returns all null values in the resulting grid from the raster calculator
{*i27644*} When using a polygon with m or z values as an analysis mask, the raster calculator returns a grid with all null values. When removing the z values, the results returned from the raster ... - Zonal statistics tools fail
{*i27644*} The zonal statistics tools of the Spatial Analyst toolbox fail and can shut down ArcMap or ArcCatalog without providing an error message. - THIN is not a valid function or operator
When the map algebra expression contains THIN, a red cross apprears and the following error message occurs: "THIN is not a valid function or operator." - Reclassify function does not accept string values that contain spaces
** This issue is addressed in ArcGIS 9.0 Service Pack 2 (SP2) ** The Reclassify function does not accept string values that contain spaces. - SingleOutputMapAlgebra and MultiOutputMapAlgebra functions ignore the mask set from the environment
** This issue is addressed in ArcGIS 9.0 Service Pack 2 (SP2) ** The SingleOutputMapAlgebra and MultiOutputMapAlgebra functions ignore the mask set from the environment. - Temporary (scratch) datasets are not removed during Spatial Analyst operations
** This issue is addressed in ArcGIS 9.0 Service Pack 2 (SP2) ** The Spatial Analyst extension does not currently remove temporary datasets created during processing operations. These temporary da... - Unchecking the Build Pyramids option is ignored
** This issue is addressed in ArcGIS 9.0 Service Pack 2 (SP2) ** Unchecking the Build Pyramids option in the geodatabase raster environment settings continues to build pyramids regardless of the s... - ArcGIS Spatial Analyst Histogram tool fails with a raster rendered with a colormap
** This bug is fixed at ArcGIS Desktop 9.1 ** The ArcGIS Spatial Analyst Histogram tool, on the Spatial Analyst toolbar, fails if the raster is rendered using a colormap. - Some methods in the ITransformationOp crash
** This issue is addressed in ArcGIS 9.0 Service Pack 2 (SP2) ** With this fix all methods in the ITransformationOp will all work, and no longer crash. - Failed to rename the specified file [RasterDataset]
After specifying an output raster name, the following error message may appear: "("esriDataSourcesRaster.RasterDataset") Failed to rename the specified file" - Are there reserved field names for Spatial Analyst tools or Map Algebra functions?
Reserved field names cannot be used for those tools or Map Algebra functions that have a field parameter in the tool's Map Algebra syntax. Examples include IDW, Spline and Density. Reserved field ... - Barrier selection is ignored when using the fixed search radius method in IDW
The Barrier selection is ignored when using the fixed search radius method in IDW. - SAMPLE Tool appears to hang with certain floating point rasters
The SAMPLE Tool appears to hang with certain floating point rasters. A large temporary scratch file is written and this file continues to grow in size. This has been resolved in ArcGIS 9.1 - Raster to Polygon (Point, Polyline) tool fails to execute after processing for some time
When converting a raster with many cells to polygons with the Raster To Polygon tool, it fails and displays the following error message: "An error was encountered while executing spatial_RasterTo... - Can the confidence error of an IDW interpolated raster be calculated?
No; IDW is a deterministic interpolation. Deterministic approaches do not have any way of calculating a confidence surface. These techniques analyze the neighbors and predict a value. Compare thi... - convert a raster dataset to an XYZ table
Several software packages can import data from an XYZ format. This article explains converting a raster dataset into an XYZ table for that purpose. This process requires a Spatial Analyst license. - Are raster datasets with non-square cells supported?
ArcGIS is able to read and display raster datasets with non-square cells. This includes the ESRI GRID format as well. However, in most cases ArcGIS prevents ESRI GRIDs from having non-square cell... - Maintain bit depth of raster data after a projection
Instructions provided describe how to maintain bit depth of projected raster data. Projecting a raster dataset between coordinate systems can rotate the image. This will add NoData cells to the outs... - Why are there raster artifacts visible in hillshade results when something is performed on a projected DEM?
DEMs are susceptible to artifacting. Many DEMs already have some artifacts introduced during creation; hillshades of those DEMs will magnify the anomalies and make them visible. If the DEM does not h... - Calculate the average slope of an area using contour lines
Instructions provided describe the steps for calculating slope using contour lines, and then finding the average, or mean, slope for an area. Spatial Analyst is required to complete this proc... - Create a hillshade or slope using data in Geographic coordinates
When performing a hillshade or slope function in ArcGIS, the Z units are presumed to be the same as the horizontal (x,y) units. When working with data in geographic coordinates, this is a problem bec... - Using Spatial Analyst Density function returns 'Operation Failed'
The Spatial Analyst Density function returns the following message: "Operation Failed" - Why is Spatial Analyst listed in ArcScene's Tools> Extensions dialog if there is no ArcScene Spatial Analyst toolbar?
Since the 'Surface Analysis' and 'Raster Creation' tools are available in either extension, they can also be activated by Spatial Analyst. This is primarily useful in situations where a user may hav... - Make the FeatureID (FID) field available to Spatial Analyst tools that take Features as input
Instructions provided describe how to make the FeatureID (FID) field available to Spatial Analyst tools that take Features as input. FID is not normally available as a field when using a feature clas... - Grid has no VAT or an error message is returned when opening or reading VAT
In ArcGIS Spatial Analyst, Zonal Statistics on a feature Zone input may generate an error if the extent of the feature data is within a cell of the Value raster input. If the Zone item is an integ... - How to clip a raster to a shapefile using Extract by Mask tool from ArcToolbox
Instructions provided describe how to clip a raster based on a polygon shapefile or feature class. This can only be performed one band at a time. For color images (multiband), each individua... - Contour lines look blocky, appearing to trace raster cell boundaries
Occasionally, contours may be created that have square or blocky outlines, appearing to follow raster cell boundaries. - Values for hillshade or slope are incorrect when using digital elevation model (DEM) in geographic projection
When calculating slope, the output values for the resulting raster are incorrect. The values are usually much greater than expected. - Rescale raster data
Instructions provided explain how to rescale values from one raster into a new raster so that the shape (distribution) of the raster's histogram (pixel values) does not change. The Spatial An... - Parameter: Value is outside the domain
When converting a floating point raster to a point, line, or polygon shapefile using ArcToolbox > Conversion Tools > From Raster, an error message displays: "Parameter: Value is outside the domain... - Weighted overlay produces a blank image
When running the weighted overlay tool, the output raster is a blank image with values from -2,147,483,648 to 2,147,483,648. - Control the visibility analysis in the Viewshed tool
Instructions provided explain how to specify parameters for visibility when using the Viewshed tool. - GRID has no VAT. Could not open raster dataset from file
When running Tabulate Area, the following error message is displayed: "An error was encountered while executing TabulateArea. ("esriGeoAnalyst.GridEngine") Could not open raster dataset from file... - An error was encountered while executing TopoToRaster. Failed to execute (TopoToRaster)
Running the ArcToolbox tool, TopoToRaster, on a shapefile displays the following error message: "An error was encountered while executing TopoToRaster. Failed to execute (TopoToRaster)". - Specify a remap table as a model parameter for a model tool
Instructions provided explain how to expose the reclassification table as a parameter in a model to provide the ability for the user to dynamically change the classification scheme in a model tool. - Preserve colormap when performing an Extract By Mask
When performing an Extract By Mask on an image that has a colormap, the colormap is not retained for the new output. The instructions provided show how to retain the colormap colors for the new outp... - Conditonally process certain values of a raster on a row or column basis
Instructions provided describe how to process only on rows or columns in a raster that contain a particular value. For example, in a Grid with values from 1 to 10, make negative any values that ar... - ("esriGeoAnalyst.GridEngine") Field not found. Invalid field index obtained
** This error has been fixed at ArcGIS Desktop 9.1 ** When a string field is used in the Spatial Analyst Reclassify tool and set as the Old Values column, a string field is added to the raster out... - Cannot view rasters in ArcGIS 9.2
After installing ArcGIS 9.2 the following raster formats cannot be added to ArcMap or previewed in ArcCatalog: ASRP, CIB, CIT, COT, DTED, ERS, GIS, GRID, IMG, LAN, NITF, RAW, TIFF, and USRP. When ... - What does the Transfer Geometry option do?
The Transfer Geometry option, in the Attribute Transfer Mapping options dialog box under the Spatial Adjustment toolbar, modifies the target feature's dimensions and spatial orientation to that of th... - Pixels are shifting after clipping a raster using extract by mask
When running the Extract By Mask tool from the Spatial Analyst Toolbox, the output raster is shifted from the original. - Find the path of least resistance down a DEM
Instructions provided describe how to find the path of least resistance down a DEM. - Convert NoData value to other values for raster data
When using spatial analyst, some input images may contain NoData values. In map algebra, NoData values with any non-NoData value generates NoData no matter what the operation is. In many cases, user... - Running the Windows Live OneCare safety scan utility damages the ESRI registry files
Running the Windows Live OneCare safety scan utility damages the ESRI hive in the registry file. The specific Keys/Values are being removed by this utility are still under investigation; however, it ... - Why does the Fill tool replace sinks with values that exceed the z-limit?
The Fill tool works by first identifying all the sinks in the input raster that satisfy the specified z-limit, then replacing the cell value of the identified sinks with the lowest value in the adjac... - Why does the Watershed tool's output extent match the extent of the pour point raster?
When all of the input datasets of a geoprocessing tool are rasters, the default analysis extent becomes the intersection of the input rasters. When the output raster generated by the Snap Pour Poi...
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