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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6
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1answer
568 views

Drive time analysis using Network Analyst with ArcInfo 9.1

What is the most common SETTING for the Layer Properties when creating time-travel polygons? I am in the process of creating 4, 5, 6 minute polygons using Network Analyst. Every time I generate ...
6
votes
1answer
633 views

ArcGIS 10 Linux experience

We have ArcGIS 10 installed on a nice clean Linux box. We have developed scripts to run on the Windows desktop development machines, and modified them to run on Linux. Now, if we run the scripts on ...
6
votes
1answer
1k views

ArcGIS median value from a layer

I've been hunting around ArcGIS 9.3 and having no success at finding a tool/function that can give me the median (not the mean/avg) tabular value of a spatial database. For example, if I have a data ...
6
votes
2answers
214 views

Add raster paths to shapefile with python (ArcGIS)

I have a problem and maybe someone is able to help me or give me some hints how to start. Situation: I have a lot of raster and of every raster I have the center coordinate. Out of this coordinate I ...
6
votes
0answers
155 views

KML (KMZ) to layer including all attributes [duplicate]

Possible Duplicate: How to convert KML to shapefile without losing attributes? This question is here in many variations but though I went through it I still don't have any good solution how ...
5
votes
2answers
3k views

What are spatial and attribute indexes?

What is the difference between a spatial index and an attribute index. What are their purposes?
5
votes
3answers
7k views

ArcGIS coordinate system

I'm developing some software using ArcGIS API, but the question is rather theoretical, as I just came from Google Maps and have no idea where to start; everything seems to be different including the ...
5
votes
5answers
13k views

For every point, distance to nearest polygon of type X?

In ArcGIS how might one calculate as an attribute value the distance to the nearest polygon of type X? Say we have a point layer of wildlife observations and we want to know how far each of them is ...
5
votes
3answers
3k views

resize image resolution from 1000 m to 250 m

I'm beginner of ARCGIS and RS. I have many problems with the procedure. One of them is I have NDVI images and Soil map. Both are at the different resolution: NDVI is 250 m. soil map is 1000 m. So I ...
5
votes
2answers
1k views

How to find wildcard string using Field Calculator script code?

I'm trying to find part of a text string in the CLASS_NAME field and return a text string to the Abrv_Name field using the Field Calculator in ArcGIS 10 via a Python parser. Here is what I have tried ...
5
votes
6answers
2k views

Conversion huge raster (50 000 000 cells) in to .xyz

I do have DEM approx. 40x5km with cell size 2x2m, which gives approx. 50 000 000 points. I need to export it to .xyz (1pt = 1 line in format x y z) file in order to use it in MIKE21. It seemed like ...
5
votes
1answer
5k views

ArcMap field calculator VBA question

I am trying to use ArcMap's Field Calculator to populate values in a column based on a value in another column. So, in pseudo-code: if [field1] = 'Foo' set [field2] = 'Bar' endif Something like ...
5
votes
2answers
2k views

hardcoding port number in Arcgis License Manager

In the Arc10 Q&A for the 2011 user conference it says a performance gain may be realized by hardcoding the license manager to port 27000, and then instructing the firewall and Windows Defender to ...
5
votes
6answers
8k views

ArcObjects - Create and Draw a Transparent Polygon

I'm trying to create a transparent Polygon in ArcMap; however, it's never transparent. Here's the code I have. // Create polygon IPolygon polygon = new PolygonClass(); // create & add ...
5
votes
4answers
6k views

Field Calculator syntax

I can't get the syntax correct for a fairly simple if statement. Right now it looks like this: dim Output as Integer If [HECTARES] >= 30 AND [HEIGHT] >= 17 AND [CROWN] >= 59 THEN Output = ...
5
votes
2answers
1k views

How to implement bivariate Ripley's K function in ArcGIS 10?

The attached image shows a forest gap with red pine represented as circles and white pine represented as crosses. I am interested in determining if there is a positive or negative association between ...
5
votes
2answers
5k views

How to create a centerline from polygon in Arcgis 10 [duplicate]

In Network Analyst, I want to create a center line from a road polygon layer of an area for shortest path creation. How do I do this in ArcGIS 10?
5
votes
2answers
352 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 ...
5
votes
1answer
580 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 ...
5
votes
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 ...
5
votes
3answers
6k 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
votes
2answers
604 views

ArcMap Arcpy scripts: How to handle user password input?

I'm currently trying to write a script that has a username & password input which then returns some data if the user has appropriate access. The script works just fine when I hardcode my own ...
5
votes
1answer
133 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). ...
5
votes
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
754 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
2k 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 ...
5
votes
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
543 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 ...
5
votes
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 ...
5
votes
3answers
644 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?
5
votes
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 ...
5
votes
4answers
4k 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 ...
5
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
260 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
972 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 ...
5
votes
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
697 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 ...
5
votes
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 ...
5
votes
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 ...
5
votes
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.
5
votes
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 ...
5
votes
7answers
4k views

How can I align two non-coincident equi-resolution raster grids?

I have two rasters: a digital elevation model (DEM) and a Landsat band. The grid resolution of both is 30 m, but the grids are not coincident (see image: the dark raster on top is the DEM; the light ...
5
votes
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
2answers
756 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
votes
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
509 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 ...