ArcGIS is Esri's GIS platform name. DO NOT USE this tag except for questions concerning the ArcGIS platform AS A WHOLE. Product tags (arcgis-desktop, arcgis-server, arcgis-online, etc) combined with version tags (arcgis-10.3, arcgis-10.2, etc) are preferred

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355 views

Better “ESRI recommended” method other than Pythonscript for filling in patterns into attribute table column?

Attribute tables in ArcGIS are not nearly as easily editable in comparison to something like Excel. For example, you have sorted the table based on some column value, and now want to fill in the ...
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votes
1answer
594 views

Change the image size in ARCGIS

I did interpolation operation on temperature and precipitation data. Output image size is 3300 (col) and 2550 (row). I have some NDVI images with size of 15456 (col) and 5074 (row). Generally, I want ...
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5answers
3k views

How can one execute an SQL script in field calculator in ArcGIS 10?

I am trying to transfer over row data from a table to columns in a shapefile table. There is a common "SA" variable between the two (i.e. the study area number) but there is more than one land use ...
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3answers
7k views

Convert multiple lines into single line

I've no idea if this is basic or what but I have this data that contains multiple lines (forming a polygon shape). I want to convert those lines (multiple - each with a start and end point) to a ...
5
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1answer
134 views

Is there a publicly available instance of ArcGIS Server

Are there any publicly available instances of ArcGIS Server for learning? I have searched Amazon EC2 but I don't see any public instances available (unless you already have an ArcGIS Server license). ...
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2answers
1k views

Using an integer variable in where-clause in arcgis python script

I've seen some questions on this, but there seem to be many different answers... and none have seemed to work. I'm trying to include an integer variable in the SQL where-clause of a tool like this ...
5
votes
2answers
788 views

Make Buffer like Offset in Arcpy

I would like to make a buffer for a polyline and get as Output a Polygon with the same angles as the polyline, having not arcs, like in ordinary buffers. i tried the FLAT option in arcpy, but it's ...
5
votes
2answers
3k views

How do I read a File Geodatabase using R?

File geodatabase (fgdb) includes numerous file geodatabase tables. As far as I know they exist as dbf files, but are within a Database.gdb. In ArcCatalog, the file pathway resembles ...
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2answers
2k views

Deployment options of arcgis desktop add-in

I made an addin for arcmap and want to deploy it using setup file. By double clicking the setup file anyone can install it in his machine and through installation it will check all dependencies and ...
5
votes
2answers
546 views

What does it mean to QI and how is it done?

I'm new to Esri's Arc* interfaces, and trying to figure out how to register an existing table using the ArcObjects API. The following question answers this to some extent: Is there any way to write a ...
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6answers
6k views

How Do You Remove No Data From A Raster (.sid)?

I have an Image.sid that has a white border which is No Data. I've tried using Clip Raster Tool with no success. I've also changed the symbology value for No Data to be transparent. I'd like to ...
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3answers
658 views

Can ArcGIS layer be shown on Google Earth?

If we have a table in SQL Server which was used as layer in ArcGIS. Can the same thing be done in Google Earth? I mean does Google Earth support adding custom layers? If so how?
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2answers
1k views

Where is the feature cache in ArcMap?

It seems that ArcMap keeps a cache for every layer which contains features data and every time wants to refresh layer or apply a change,uses tis cache.As I found,when ArcMap wants to draw a layer from ...
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votes
4answers
5k views

What is the modern equivalent to ArcInfo CLEAN?

What is the arcgis equivalent to the Arcinfo Workstation CLEAN command? Or perhaps better rephrased as, how does one clean topology without installing arcinfo workstation? Assume an arcinfo license ...
5
votes
2answers
257 views

Arcmap: Create a projection to emphasize a given direction?

Suppose one had a dataset (centered on a given coordinate) of lines that were very close together in terms of longitude but also had important turns/bends far separated by latitude. In order to map ...
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votes
3answers
2k views

Dissolving polygons by attribute and in a certain distance (ArcGIS)

in a FeatureClass I have a lot of polygons which contain attributes of different landuse-types. Now I am trying to dissolve those polygons of the same landuse-type, but only if the distance between ...
5
votes
2answers
262 views

Numbering Watersheds

I am working with a watershed map, and I was wondering if there is a function or a way that I can get ArcMap to number the watersheds. For instance, if we have watershed X numbered as 0, I want the ...
5
votes
1answer
3k views

How to programmatically add shapefile to data frame in Arcmap

I have a toolbox with python script which creates a shapefile from JSON txt file, but it does not show the generated shapefile in arcmap, i have to add it from the output location. What code shall I ...
5
votes
1answer
993 views

Definitions of arcgis script parameter Data Type options

When adding a python script to a toolbox in Arcgis one of the steps is to set parameters and specify what Data Type each requires. The list is long, perhaps a hundred, and many are not immediately ...
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2answers
1k views

Calculating slope cell-by-cell in ArcPy

I am relatively new to the ArcGIS-Python environment and want to calculate elevation raster slope. But it says "ValueError: setting an array element with a sequence". Below code is what I have. Any ...
5
votes
2answers
704 views

Not all labels created in ArcGIS

I have a set of polygons in ArcGIS 10, which I want to label. Despite setting the Unplaced label icon to "on" and using an expression for the label (so that all objects should be labelled), not all ...
5
votes
3answers
2k views

Deleting multiple vertices at once?

I have a polygon feature class that I've converted to representations so that I can delete some vertices. I'm doing this to simply some of the shapes manually, but I'd like to speed this up by ...
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4answers
2k views

ArcInfo - How to extend batch of lines to another object

Is there any simple tool which allows to extend all lines in .shp to another .shp? To clarify, I do have river.shp and sections.shp on the river. I'd like to produce buffer from river, extend lines ...
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2answers
1k views

Backwards compatible python scripts in ArcGIS

As I move through my small collection of python scripts written for arcgis 9.3 I'm discovering that many things work with little or no changes in arcgis 10. For example this pattern "just works": ...
5
votes
2answers
1k views

Call FWTools (ogr2ogr) from ArcGIS python script

In ArcGIS, I want to use a Python script (and a standard ArcGIS script tool UI) to call functionality from FWTools. How would I make the call to FWTools? I tried using ...
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2answers
1k views

How to Georeference 3D model or 3D buildings?

I am working on 3D project so i have to do georeference to 3D buildings which are created by 3D designer.Anyone Knows the solution.Please send me.
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3answers
1k views

Is it possible to target an ArcMap add-in to an earlier version?

My development environment is Visual studio 2010 with ArcGIS Desktop 10.1 installed. I need my add-in to support 10.0 AND 10.1. Right now, if I try to install it on ArcMap 10.0, it fails. Is it ...
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2answers
1k views

Detect Table of Contents Changes in ArcMap using ArcObjects

What is the preferred and/or most efficient method for detecting a change in the table of contents in ArcMap using ArcObjects? My current implementation relies on a dictionary with the names and ...
5
votes
1answer
1k views

How do you add a long list of rasters together in Python?

If you have produced a long list of rasters (lets say 50) and want to add them together, is there any shorter way to write in python rather than typing all the inputs, like so: outRas = inRas1 + ...
5
votes
2answers
765 views

Create a polyline buffer with Arcpy

I'm trying to write a python script with ArcPy that draws arcs and I've achieved something with creating a buffer and then clipping it with a bounding box so I only keep the length I need (I thought ...
5
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2answers
2k views

How to union polylines with the same name?

I have a shapefile containing streets that have to be counted. But these streets in each case consist of several polylines. Maybe I should buffer these polylines and union the generated polygons that ...
5
votes
1answer
512 views

.NET And ArcGIS 10x - Where have all the wrappers gone?

With prior versions (to ArcGIS 10x) of ArcGIS, the .NET wrappers used to be placed in a dotnet directory. Where are they located with 10x? With prior versions, I used the absence or presence of this ...
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5answers
633 views

Web-based map authoring with ArcGIS Server?

I'm embarking on a project in which users will author, save, and share their own maps over the web. We will provide them with a large number of feature classes, but users will effectively author their ...
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6answers
5k views

Troubleshoot editing features in feature dataset with ArcMap / ArcSDE Oracle

I am having trouble editing a feature class that is in a feature dataset. We have added just the single feature class as a layer in ArcMap and are using the "Start Editing" function on the Editing ...
5
votes
1answer
2k views

ArcGIS: inside buffer with attributes?

How can I create buffers for polygons that a) lie only inside the polygon boundary, and b) know who their parent is? An example of where this is useful is First Nation Traditional Territories. There ...
5
votes
1answer
758 views

Select By Location in ArcGIS using C#

I am creating a tool which the user will select point or line features from the map and it will display their names in a list then after clicking on any of these features from the list, it will show ...
5
votes
2answers
467 views

In ArcGIS 9.3, how do I eliminate the slivers of missing data between polygons?

I am editing a single-band .tiff file in ArcGIS 9.3. I started with an image that I had to georeference, but unfortunately, the image had these little slivers of missing data between the data cells. ...
5
votes
2answers
3k views

How to clip/export multiple selected vector layers in a map to extent of another raster/vector layer in ArcGIS?

Is there a way to clip/export selected vector layers (more than one) in a map to the extent of another raster/vector layer at a time?? in Arcgis or any other software. I am using Arcgis10. I am ...
5
votes
3answers
2k views

Topology or out of memory errors with large dataset intersects and spatial joins in ArcGIS

I receive a topology error notification when intersecting a point dataset (with ~5 million points), with a polygon dataset created by buffering those points by a half mile. The goal is to create a ...
5
votes
1answer
824 views

arcpy.mapping.ListLayoutElements() takes longer in a tool than in ArcMap

Has anyone else noticed that accessing elements from arcpy.mapping.ListLayoutElements() through a tool script takes longer than within ArcMap? Whether using a specific name, wildcard or nothing, the ...
5
votes
2answers
281 views

Algorithm to determine if there are any landlocked polygons

Imagine that I have the need to determine landlocked countries. Is there a to do it automatically? Any known implementations? The target platform on this will be ESRI.
5
votes
1answer
224 views

When a class in an ArcGIS extension should be an ArcGIS class

Visual Studio templates provided by the ArcGIS SDK offer a "ArcGIS Class" which is a simple C# class that has the attributes Guid, ClassInterface, and ProgId before the class declaration. While adding ...
5
votes
2answers
614 views

How to extract coordinates & elevations of boundary cells of a DEM

I am using a 50mx50m grid irregular shaped DEM file.I have to work on the boundary conditions. How do i extract the cell locations ( in x,y coordinate ) along the boundary edge and consequently find ...
5
votes
2answers
907 views

Using Custom Functions in a Python Toolbox

I am trying to put together a python toolbox (Arc 10.1) and would like to use a defined function in my code. The function is: 'sys' is imported at the top of the file def listdirs(folder): ...
5
votes
1answer
379 views

Simplifying polygons made from binary rasters

I'm using MaxEnt to produce a species presence / absence raster layer. It works fine but I have to choose a cut off point for what constitutes presence or absence. As a result I end up with a lot of ...
5
votes
2answers
1k views

How to replace arcpy.CalculateField_management with an update cursor?

I'd like to replace this expression arcpy.CalculateField_management(bufferFile, "Shape_Area", "float('!shape.area@squaremeters!')", "PYTHON") with an arcpy.da.updatecursor. The reason for this is ...
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3answers
2k views

How to interpolate into polygons?

I need to interpolate values from points to polygons. I have a point shapefile and a shapefile of adjacent polygons. Some polygons get several points falling inside, some have nothing. I thought ...
5
votes
1answer
135 views

Create custom locator file - what license level of ArcDesktop do I need?

I would like to create custom locators in ArcDesktop to circumvent this problem: Why doesn't US One Address locator style have city, state or zip code fields? So I am going to buy a copy of ...
5
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2answers
1k views

How do I export a 3GB ArcGIS Raster to KML w/o losing resolution?

I have a 3GB raster layer, and I'd like to export it to KML for use with Google Earth. When I use the "Layer to KML" conversion tool in ArcMap, I end up with a low-resolution overlay: looks like one ...
5
votes
3answers
657 views

Convert polyline with Left ID and Right ID to polygons with ID

I have a polyline shape file which contain Left Id and Right ID information and struggling in converting this polyline layer to polygon with ID via arcpy. I am using ArcGIS(editor) license so feature ...