This tag should only be used for questions concerning ArcGIS the GIS Platform from Esri. Try wherever possible to use a product tag such as arcgis-desktop, arcgis-server, arcgis-mobile or arcgis-online on conjunction with a version tag such as arcgis-10.1, arcgis-10.0 or arcgis-9.3.
3
votes
2answers
2k views
Nested “if” statements in ArcGIS Field Calculator
The solution in VB for the base process is @ "If then" VB Script code (or Python) equivalent to SQL's IN ('x','y',z') expression in ArcGIS Field Calculator question? ...
3
votes
1answer
561 views
How do I move and/or rename a file geodatabase?
I am expanding the scope of an existing file geodatabase so I would like to move it up a folder hierarchy as well as rename it.
For both of these operations, is it as simple as moving the folder via ...
3
votes
3answers
204 views
Is there any way to write a snipet of code with function of “SDELayer -o register” command
I try to create a geodatabase using some SQL command and then register some tables of it with SDE.
I create an empty geodatabase using sde post installation and then create tables and other database ...
3
votes
1answer
2k views
Convert a shapefile with northing/easting to ASCII raster with latitude/longitude
Linked below is a polygon shapefile whose projection is NAD83 and whose values are LU/LC codes. Coordinates are meters of northing and easting. I would like to convert it to an ASCII raster with ...
3
votes
3answers
924 views
Advice on using CityGML data and GIS
I'm looking for advice on how best to use the CityGML data-structure and GIS (preferably ArcGIS/QGIS). I've read through their website and wiki and saw a list of software here that can be used to view ...
3
votes
1answer
212 views
CustomLayer Draw Com Exception
I'm trying to create a custom layer, nothing crazy just press a button and have something show up on the display and also have the layer display in the TOC.
Well, the layer shows in the TOC but ...
2
votes
1answer
77 views
How to specify the pixel depth in model builder?
I have a simple model that calculates the NDVI from bands 3 and 4 of a raster dataset. The input bands are 8-bit unsigned, whereas the default output NDVI is signed 32 bit.
How can I specify the ...
2
votes
1answer
230 views
How to Calculate Utilization Distribution Overlap Index (UDOI) in ArcGIS 10?
I was wondering if any of you happen to have any information on how to calculate the Utilization Distribution Overlap Index (UDOI) in ArcGIS 10? If I understand it correctly the UDOI takes two kernel ...
2
votes
1answer
581 views
Model Builder - How to calculate Field using part of filename
I am new to model builder and have not been able to figure how to use part of the FC name: For example the first FC in my GDB containing around 100 files is "A1005_GPS_Residence", and I need to ...
2
votes
2answers
3k views
Solid Laptop Specs for running ArcGIS
I'm getting a Lenovo thinkpad w520 with 8gb of ram/2000m quadro GPU/2760qm Corei7 to use as my secondary work laptop.
I mostly deal with large amounts of ortho photos and some GPS software.
Do you ...
2
votes
0answers
238 views
Can I use python to do the job in ArcMap 10 Editor toolbars, such as command: Copy Parallel, Move
Since VB can activate the Editor, then use the tools listed in the Editor, such as copy parrallel, I am wondering whether Python can do the same job? I have been searching the website all day. Still ...
2
votes
3answers
350 views
Select “interior” lines of a polygon-to-line layer
I have a polygon featureclass that has adjacent features. Using Arc10, I am turning those polygons into lines using the "Featureclass to Lines" tool.
Now I would like to select ONLY THE INTERIOR ...
2
votes
1answer
237 views
CodeDom.Compiler fails in Arcmap add-in, but works from console app
The Test method in the code below succeeds in a console test app, but fails when I call it from within an Arcmap add-in, throwing a ReflectionTypeLoadException with a loader exception saying:
...
2
votes
2answers
340 views
Improving Map service performance
I have a map service that has more than 60 data layers. For faster performance, I have separated the data with daily updates as a dynamic service. I still have a map service that base data (50+ ...
1
vote
1answer
73 views
Identifying Features With a Relationship Class
I have a feature class which represents points where vegetation clearing has occurred. I also have a table which has a list of vegetation species which were cleared at each location and the amount of ...
1
vote
2answers
189 views
Buffer point dataset based on compared value
I am creating polygons from the dissolved buffers of points and need to control the dissolve process. In the model the first stage is to assign high/med/blackspot using the following
f2='ERROR'
def ...
1
vote
3answers
940 views
How do I add a shapefile in ArcGIS via python scripting?
I am trying to automate various tasks in ArcGIS Desktop (using ArcMap generally) with Python, and I keep needing a way to add a shape file to the current map. (And then do stuff to it, but that's ...
1
vote
1answer
532 views
ArcGIS topology rules file (.rul)
Has anyone converted ESRI's topology rules file (.rul) into another format? I built a complex topology rules set and would like to QC it in something easier to read and work with than ArcCatalog. A ...
1
vote
2answers
5k views
How to calculate Raster Area per Polygon?
In ArcMap, I have a raster file that contains 6 classes of landcover and a shapefile that is the census data (OA boundaries and their population).
I want the area of each class in each OA? For ...
0
votes
0answers
311 views
Large point to Polygon by buffer-join-buffer-dissolve issues
I have a few large datasets (about 10 million points) which I am buffering, then joining, dowgrading and finally buffering and dissolving. This is all in a model which works fine with sample smaller ...
11
votes
2answers
3k views
Free tool to convert .lpk to .shp file
I have a .lpk file from ESRI that I would like to convert to a shapefile. How can I do this, using only free software?
9
votes
9answers
619 views
How far ESRI Technical Support goes?
Given the number of questions about basic/intermediary usage of ESRI products on this site and in a lot of other mail lists, I became curious to know why people don't ask them to the technical ...
8
votes
2answers
243 views
Finding polygons without right angles
Now we are digitizing some buildings in specified area. The obligatory rule for this work - in most cases buildings should have right angles. We are using QGIS with CAD tools for this work. But ...
8
votes
4answers
2k views
Lines that intersect vs. Lines that touch - how to distinguish?
How do I distinguish between these cases in ArcGIS 10? I am looking at the Trim Line function but that's not what I want (destructive).
Case 1: Both endpoints of a line touch another line
Case 2: ...
8
votes
0answers
357 views
Using a different Python IDE/debugger for ArcGIS [duplicate]
Possible Duplicate:
How can I effectively debug arcpy Python scripts?
I prefer to use PyScripter over IDLE as my IDE/debugger for writing GP scripts in Python. In ArcGIS, however, when I ...
7
votes
3answers
455 views
How can I make a county-level shape file from a set of points at 30 x30 km spacing?
I have a data set in csv form, like:
latitude, longitude, value
-45, 45, 10
....
I would like to calculate county level means from these data, using either ArcGIS or R+grass.
I have the ArcGIS USA ...
7
votes
2answers
638 views
Is it possible to emulate “Swiss style” shaded relief with ArcGIS tools?
Is there a way to create a Swiss style (or other hand-shaded-like styles) shaded relief from a dem using ArcGIS tools alone?
6
votes
2answers
628 views
ArcGIS Python Tool Script Parameter - Binding Objects to a List Parameter
I am working on a python based script/tool. I would like to make use of drop down lists for several of the parameters. This is very easy to do if the lists are just plain old strings.
Does anyone ...
5
votes
3answers
2k views
Extract Raster Value into Polygon Attribute
I have Raster Data for a State which has Elevation Data in its pixels. I also have Vector layer which has the 300 divisions of State. what I need is, I want to get the average elevation value of ...
5
votes
3answers
434 views
How to produce a singlepart featureclass with unique IDs for each spatially non-connected polygon?
What is the best method to convert a singlepart shapefile (i.e. one record that contains several non-connected polygons) into a mutlipart shapefile?
--EDIT
For clarification the original question ...
5
votes
1answer
584 views
Reset local memory in ArcMap 10
I often am unable to delete files due to a lock or need to reset the data frame coordinate system. Very often starting a new session of Arc will allow certain geoprocessing or data management tasks ...
5
votes
3answers
1k views
Is there an ArcGIS tool equivalent to “Dissolve” that can be used on tables?
I have a data table that I need to trim down, merging records which have the same value in an ID field and performing a couple math operations on various other fields (summing, averaging). The ...
5
votes
1answer
1k views
How to save a layer file with a relative path
In VBA, how do you save a layer file (.lyr) with a relative path?
I have some code that loads a shapefile into ArcMap but I am unsure of how I go about using this shapefile to then save a layer file ...
5
votes
3answers
505 views
matplotlib does not work in ArcGIS 10 and Eclipse (Python)
I have installed matplotlib (v. 1.0.1) which works with iPython quite good.
But if I insert the same script in ArcGIS 10 or Eclipse 3.7.0 (with PyDev) I get always errors. As I consider to use ...
5
votes
1answer
720 views
Need to export a feature class into multiple feature classes based on a field
I have a feature class with over 2000 features, and I need to make them all individual features based on a field. I know there has to be a way to do this, but I just can't figure it out! Any takers?
5
votes
2answers
1k views
(New at Python Scripting) Creating a Loop so i can replace text in page layout in multiple mxds instead of one mxd at a time
I found some code on a website that will perform a search and replace on page layout text elements. Currently you can only do it one MXD at a time. I was hoping to change the code so I can do a search ...
5
votes
4answers
287 views
What's new (and useful) in ArcGIS
I've just got access to ArcGIS 10 through my university, and it seems to be far nicer than ArcGIS 9.3. I'm trying to find out what exactly has changed, but the ESRI pages on 'What's new in ArcGIS' ...
5
votes
4answers
1k views
ArcGIS Buffer/Dissolve performance
I'm wondering if anyone else has experienced significant performance penalties when using the ArcGIS buffer function with the 'dissolve' option on point features. My dataset is a shapefile of 260 ...
4
votes
4answers
158 views
How do I fill in serial letters (AA, AB,AC…,BA,BB,BC…ZZ) to a shape?
(I am using ArcGIS software, ArcMap...)
MY PROBLEM
I have a shape file containing points. The shape file contains 3 columns named FID, Shape* and Label. In the column I want to fill in AA, AB, ...
4
votes
3answers
101 views
Run Viewshed on only one feature at a time in a shapefile
I have over 100 features in a shapefile and I want to create individual viewsheds for each and then run processes on each of those resulting viewsheds in ArcGIS using Python.
Is it possible to write ...
4
votes
2answers
142 views
Legend showing info for world map
I'm using ArcGIS 10.1 API for JavaScript.
I'm showing dynamic map service layer containing 8 layers and I want to show legend for the currently visible layer (only 1 layer is visible at a time).
The ...
4
votes
2answers
185 views
Adding multiple relative hyperlinks to a single point feature class in ArcMap
It may be a very obvious one but how do I add more than one relative hyperlink to a point feature class in ArcGIS?
Many thanks, Magda
4
votes
1answer
245 views
Interpolation of Values in ArcGIS
I wanted to interpolate the trend values (trend of sunshine hour calculated over 20 years) throughout the study area from the available station points. My confusion is in the selection of ...
4
votes
2answers
139 views
Exporting to KML
I'm attempting to export a series of points that cover the continental U.S. as well as some of it's territories to KML. When I export to KML and open it in Google Earth, the data loads in, what seems ...
4
votes
2answers
493 views
Why is Layer missing from Export to PDF?
I am using the arcpy module to loop through a number of map features (community areas), zoom to them, title the map with the name of the community area, and export to pdf. The trouble is that while ...
4
votes
1answer
259 views
ArcGIS Online without basemap
I am trying to create a Web App, using the ArcGIS Online feature of downloading the javascript code, with the map id being used for connecting to the ArcGIS Online. I was able to do that successfully ...
4
votes
1answer
1k views
Lidar - Automated building extraction (Improve Process)
I have the following process for automatically creating building outlines/footprints from Las files and was wondering if anyone can help improve it or has suggestions for other processes to use?
...
4
votes
1answer
594 views
Move .SHP from .MXD to gdb [duplicate]
Possible Duplicate:
How to move SHP to gdb with ArcView license?
Let's cut it short, I have numerous mxd with layer coming from .SHP and various servers WMS that I need to move to a gdb.
...
4
votes
1answer
458 views
finding the long axis of an irregular polygon
Hi need some help in how to find the long axis of an irregular shaped ellipse using ArcGIS. I have found the centroid but don't know how to determine the longest distance.
4
votes
2answers
371 views
ArcGIS Spatial Join Options Missing
The ArcGIS SpatialJoin online help page has a long list of match_options when joining data spatially, including HAVE_THEIR_CENTER_IN.
However running the arcpy.SpatialJoin_analysis tool in Python ...
