Use this tag when ArcGIS 10.0 (or any of its service packs) is the ArcGIS Platform version you are using.

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1answer
115 views

How to Average neighboring county data and store in original?

I have data for several rain stations, i have averaged the data and given each county a value. Some counties have null values and I would like to pull the data from the all the bordering counties and ...
0
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1answer
135 views

ITopologicalOperator simplify takes more time

The objective is to cut the polygon where the lines are intersect. The polygon has 183182 vertices and taking more time while using simply method so process time is increased very huge. Please suggest ...
0
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4answers
101 views

How to extract Z data from a point layer

I have created a point layer with ~150 points. I have a DEM beneath it, which is where I have taken the X and Y values from. Does anybody know how I can retrieve the Z values, without using the info ...
13
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6answers
6k views

Why is the performance speed between ArcGIS and QGIS so different?

Ok I am not a programmer but a prolific GIS user. I know that QGIS is written in C++ and ArcGIS in ??? but for most of my tasks lately I always try to use QGIS not only because it is free but due to ...
12
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7answers
7k views

How do I create a shapefile showing footprints of Rasters?

I have around 1,000 satellite images in tiff format, and I want to create a shapefile which will serve as an index to the rasters. This is something similar to a raster catalog, but I do not want to ...
4
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6answers
4k views

List of useful Add-Ins for ArcGIS Desktop?

What are the best Add-Ins for ArcCatalog and ArcMap v10? XRay for ArcGIS 10 is very useful, what else is out there?
3
votes
1answer
863 views

Using primary keys with ArcSDE (Oracle)?

Is it possible, more advisable to assign a primary key to the OBJECTID column in a featureclass in SDE. I am using Oracle and some of my flat tables (junction tables) need to SEE a primary key in the ...
6
votes
5answers
3k views

Programmatically edit/update metadata in ArcGIS 10

Has anyone succeeded in programmatically updating metadata in ArcGIS 10? Considering using Python/arcpy but ArcObjects (C# or Python/comtypes) is also a possibility. I need to update both the FGDC ...
1
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5answers
2k views

Arcpy to copy a layer in the ArcMap TOC, rename the copy, and paste back to TOC?

I want to make a copy of a layer in the ArcMap TOC (passed to my script as a Feature Layer), assign the copy a new name, set a definition query on it, and then add the copied Feature Layer back into ...
0
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0answers
27 views

Determining GIS data accuracy [duplicate]

How does one evaluate the accuracy of Geographical information system data both positional and attribute
11
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4answers
3k views

Best place for (structured) ArcGIS tutorials

I've been through University for a Geography degree and am now working on a PhD in Remote Sensing. As part of my undergraduate degree I did a couple of GIS courses, but they concentrated mainly on the ...
2
votes
2answers
38 views

How to get dynamic county information into mapbook?

I have access to ArcMap 10.0 (ArcInfo/Workstation) on Windows 7 SP1. My usual scenario is to produce a map book having 3 shapes: 1 polyline (a road track about 200-300 km without any useful ...
14
votes
5answers
4k views

Using ArcGIS 10 on a virtual machine with OSX

I'm currently using ArcGIS 10 on a Windows 7 64 bit Macbook Pro (2.53 Ghz and 8GB of RAM) using VMWare. However, when I am using ArcGIS I find it quite slow even with Windows 7 (64-bit) optimized for ...
2
votes
2answers
41 views

a map for the number of overlapping polygons

I have a geodatabase with a given number of polygon features. I would like to generate a layer (V) that displays the number of overlapping polygons at any given (x,y) location spanned by my polygons. ...
2
votes
3answers
235 views

How can I do a batch edit of circle diameters using the attribute table in ArcGIS?

I need to edit the diameter of a bunch of circles to reflect their correct diameters, and I wondered if there was a way of drawing from the attribute table to make all the circles equal their correct ...
1
vote
1answer
69 views

Arcgis API for Javascript: how to change color of simple point marker using colorpicker

as title states im having a hard time changing the color of my simplemarkersymbol using javascript. I have read that the format of color needs to be [r, g, b, a] which I have a color picker giving me ...
1
vote
1answer
2k views

add definition query to layers in a group

I'm trying to develop a python code that will apply the same definition query to all layers in a specified group. I currently have a working code that will apply a definition query to all layers in ...
1
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0answers
31 views

How to create a dynamic Polygon

I am trying to draw a polygon dynamically.I get the latitude and longitude from two different entities.Hence I concatenate them as below var greenArr=new Array(); var point = new ...
4
votes
1answer
70 views

Deleting geodatabases that are more than one week old?

I am using ArcGIS Desktop 10.0 and Python 2.6.6 and am trying to make an update script to copy the geodatabase to a backup folder with the date as part of the name, got that to work. Then export ...
1
vote
1answer
160 views

How to eliminate polygon boundaries

I'm working in both ArcMap and Grass I have a problem with the boundaries or the edges of my vectors. The vectors are a result of object segmentation (called classification) in Grass Gis. In Grass, ...
9
votes
1answer
545 views

Can concurrent processes be run in a single model?

In model builder (for Arc GIS 10) is it possible to run two or more geoprocessing operations concurrently? For example I have to run repair geometry on 2 files and then merge them. Currently it ...
3
votes
1answer
35 views

Connecting Trails

I am working on mapping trails and reroutes of those trails in West Virginia. I'm going out with a GPS and walking everything and then coming back to the office to project everything on a map(s). The ...
1
vote
2answers
140 views

Minimum mapping unit for raster on ArcGIS

So I have this huge national wetlands raster and I'm trying to set a minimum mapping unit of 5 acres. Meaning I want to delete clusters of pixels that are smaller than 5 acres. But the raster's ...
5
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3answers
2k views

How to connect to (& edit) PostgreSQL database using ArcGIS Desktop without ArcSDE? [duplicate]

After trying in vein to get spatialkit and zgis working with my postgresql database in arcgis 9.3 and 10 , I was wondering if anyone has had any luck with these products. My postgresql database has ...
4
votes
3answers
83 views

Maximum number of shapefiles for merge tool?

I have over 180,000 shapefiles that I have to merge (or append) into a final shapefile. I have written a python script to do so which uses the acrpy.append_management tool. However the runtime is too ...
6
votes
2answers
2k views

Installing ArcGIS 10 with Python(x,y)

EDIT 10/20/2011: The problem I was having below was caused by trying to install Python(x,y) after ArcGIS 10. I got a new machine yesterday and instructed IT to install Python(x,y) 2.6.5.3 (has ...
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4answers
1k views

Install other python distributions [e.g. Python(x,y)] on top of ArcGIS installation ?

I'm using ArcGIS 10 and would like to use various additional libraries that are not included in the delivered version of ArcGIS (esp. numpy and matplotlib). First I tried to install them manually as ...
1
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1answer
56 views

add coordinates system into arcgis10

I must process an Excel file data but the format of my longitude and latitude coordinate are: Lat: -22 to -34 and Long: 9 to 18 in decimal degree. So i want to use Add XY tool into Arcgis10 to put ...
11
votes
4answers
1k views

Efficiently finding the 1st order neighbors of 200k polygons

For every one of the 208,781 Census block groups, I'd like to retrieve the FIPS IDs of all of its 1st order neighbors. I have all the TIGER boundaries downloaded and merged into a single 1GB ...
1
vote
1answer
41 views

Select points with lowest elevations and same x,y coordinates

The problem is as following, I have a point layer with x,y,z coordinates. Some of the points have same x,y but different z. I need to separate points without duplicates (x,y) and in case there are ...
1
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0answers
23 views

How to reduce MSSQL Logfile size?

First of all I am not a Database specialist. I am using MSSQL to store my SDE 9.3 Data which is served with AGS 10.0. I have Vector and raster data stored in the databases and have very little room ...
1
vote
1answer
55 views

How to compare polylines attribute from the same GRID cell in ArcGIS 10?

I need some help because I do not know how to model this issue: I have two polyline shapefiles. They have an attribute that I need to be compared. These are roads from different sources. So, I have ...
12
votes
5answers
5k views

Using ArcGIS Desktop with SQL Server Spatial as backend?

I'm wondering how best to use ArcGIS Desktop and SQL Server 2008 together. At the moment we run manual imports and exports between sql 2008 and arcgis 10 shape files. With sql 2008 having a geography ...
0
votes
0answers
50 views

Normalize the NDVI raster 0-255

NDVI values raster computed by using the band 3 and band 4 reflectance values b4-b3/b4+b3. The output raster is of 32bit type formate although the possible ranges that shows in statistics parameter ...
2
votes
2answers
410 views

gridlines are on top of some text boxes but below others, how do I make it so that the text boxes are above the gridlines in all cases

I am working with a map and instead of using the labels feature I chose to use text boxes because the labels were not where I wanted them to be. I set up all the text boxes and then added gridlines ...
1
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0answers
16 views

How to assign a grid value to points? [duplicate]

I'm sure there is an easy way to do what I am trying to do but I cant seem figure it out. All that i would like to do it create a grid (say 10mx10m) with unique values (i.e. grid 1,2,3,4) and then ...
3
votes
0answers
89 views

Select and copy attributes features in ArcMap using Python add-in tool?

I'm trying to add a tool to an add-in toolbar to select features from an existing feature class and copy attributes to another feature class,from point to point. TopoHeight_Field_Name='Comment' def ...
1
vote
1answer
26 views

Tree symbol style set?

I am looking for a set of 2d tree symbols style for a landscape plan. I got an old one trees.avi that I can't import to 10.0. Can anybody link me to one?
0
votes
0answers
23 views

Clipping MrSID raster image, without decompressing clipped raster, in ArcGIS Desktop? [duplicate]

I am using ArcView ArcMap10 and when I clip a raster using tools/data management tools/raster/clip. The Clipped file ends up much larger than the original file. Specifically I am trying to clip a ...
1
vote
1answer
39 views

Cutting polygons into smaller (more regular shape) chunks

I came up with a polygon shapefile like what you see here. There are some small polygons which exactly match what I want, though I want to cut(split) those bigger ones into smaller pieces. So far I ...
7
votes
1answer
2k views

Smoothing raster features into polygon

I have raster data representing urbanized areas, which I'd like to trace and convert to a polygon. Using ArcMap's Raster to Polygon tool, I'm able to get something close to that. Unsimplified: ...
2
votes
3answers
3k views

How to aggregate points to polygons using ArcGIS Desktop?

I am trying to aggregate my data points to the polygons so that I could find out how many points I actually have in each polygon, and then export the data contained within each polygon to further look ...
1
vote
0answers
92 views

Spatially join points to polygons in ArcGIS Desktop? [duplicate]

I am trying to join a point feature class to a gridded polygon feature class in arcGIS so that all the points are matched to the grid cell that they fall within. I would like to end up with an ...
0
votes
0answers
15 views

Delete a Feature from a Different Version While Editing

We have one feature class that always loads from the default version (named 'Work Request'), even when you are editing inside a different version. We use this feature class to identify areas where ...
0
votes
1answer
26 views

Center text value of a field in polygon and display

I would like to display the value of a field over the polygon. In this case, the field name is Subname, and i would like to use a specific font. Would like to perform this action for each polygon on ...
1
vote
1answer
34 views

How can I export each individual Raster out of an ESRI Rastercatalog?

I have a managed raster catalog (ArcGIS 10.0) which contains many images. I need to migrate these to another GIS and have to export them individually. As far as I can see, I can only export all images ...
1
vote
1answer
29 views

TIN gets distorted when I use hard clip to edit it

I have two cross sections from which I have created a TIN as can be seen in the following image. For removing the extra outer portion of the TIN, I created a polygon from the cross-sections and edited ...
2
votes
1answer
69 views

How to use the tool “Polygon to Raster” with arcpy when the polygon is a row from a Shapefile?

I tried to iterate over the rows from a Shapefile with the search cursor. Every row is a polygon and I want to make a raster out of this polygon so I tried this with arcpy.PolygonToRaster_conversion. ...
2
votes
1answer
217 views

Changing field / alias names in a shapefile using ArcMap10.2

I have a query regarding changing field and alias names in a shapefile. ArcGIS info for 10.2 says: ...For example, you can do any of the following: Define an alias for a field name so the field ...
12
votes
4answers
4k views

Quickest way to select polygon by point in ArcGIS Desktop using ArcPy?

I keep thinking that I must be missing something, but there does not seem to be a tool in ArcGIS 10 to select features (in particular polygons) from a layer at a point (X,Y) location via ArcPy. The ...