ArcGIS refers to a family of GIS software from Esri which includes desktop (ArcReader, ArcMap, ArcCatalog), server applications (ArcGIS Server), mobile devices (ArcPad, ArcGIS Mobile) as well as online services (ArcGIS Online).
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379 views
Defining the appropriate Projected Coordinate System
I am a beginner at ArcGIS and have a technical question.
I need to assign a projected coordinate system to my boundary/polygon data in order to calculate square miles. There are many to choose from. ...
4
votes
1answer
290 views
When merging two DEMs, do they have to be in the same pixel bits?
I have a simple question. I have 2 different Digital Elevation Modeling (DEM). One is the state DEM and has 30m and has 16 pixel bit. I have a couple of smaller DEM that has 30m but they have 32 pixel ...
4
votes
1answer
910 views
Processing time using ArcGIS Hydrology toolbox tools in standalone Python script vs. ArcCatalog
My question is: what might cause the ArcGIS 9.3 Hydrology Toolbox Snap Pour Point and Watershed tools to run significantly slower in a
Python script versus manually running the tools in ArcCatalog ...
4
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4answers
3k views
Batch export MXD to PDF tool
Nico Burgerhart made a fantastic script called "Batch export MXD to PDF" back in 2008.
http://arcscripts.esri.com/details.asp?dbid=14872
Any ideas how to implement it in ArcGIS 10? Something ...
4
votes
4answers
1k views
What is a good plotter that works well with ArcMap?
I will soon be setting up a small office and we will be needing a 36" plotter. I am looking for recommendations for a good plotter that works well with ArcGIS. Speed is not important as long as I can ...
4
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3answers
2k views
Arcgis server not showing map service
I have a map service enabled in my server and have kml and wms as well as mapping and feature access capabilities turned on.
I can view the wms in qgis, I can veiw the kml in google earth. However ...
4
votes
3answers
697 views
Plot files in ArcGIS
I wondered if you could share some of your experience with plot files in ArcGIS. I've been trying to make these, as I have a good expeirence with them from autoCAD (every drawing is exported to a PLT ...
4
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5answers
3k views
ArcGIS Server 10 on Ubuntu or CentOS?
I know Solaris is on the way out with 10.1
I also know that v10 is only supported on 32bit flavours of RedHat & SUSE.
What I do want to know, has anyone had any luck installing it on either ...
3
votes
1answer
97 views
Create polygons in ArcMap 10.0 from lat/long data pulled from SQL Server 2008 database
Forgive me if this is very basic, as I'm new to GIS work (though I've been a programmer for 10 years) and so I'm not really sure how to approach this, but here goes...
Can I take a table with ...
3
votes
1answer
121 views
An error in raster calculator in Arcgis
I wrote and ran this formula in raster calculator in ARCGIS. But the following error gets me into trouble. Does anyone have a suggestion to overcome this? Here is the formula I wrote and the error ...
3
votes
1answer
145 views
Data security for GIS Data (Esri shape files,Auto-cad files)
This is regarding security for GIS Data (in Esri & open source) (Esri shape files,Auto-cad files etc.)
Does anyone know how to assign a password to or encrypt shapefiles OR CAD Data?
I have ...
3
votes
3answers
446 views
How to zoom to feature when clicking on drop-down list box item with ArcGIS JS API?
I am developing a web application with ArcGIS JS Api that is similar to this smart campus: UCSB Interactive Campus Map. Here, in the Building drop down list box, you can select a building, and the ...
3
votes
1answer
171 views
List Elements or Datasets of a given Layer
I am sorry of this might sound like a noob question but I cannot find any answer from google.
I used arcpy to do batch processing of Network Analyst - Make Service Area layer of thousand of stores.
...
3
votes
2answers
146 views
adding large amount of data [arcgis 9.x javascript api]
I've got problem, I'm creating map based application, and now I have to add to map about 100 000 graphic points, from coordinates.
I was trying in many ways to do it, but always process of adding ...
3
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0answers
532 views
Map printing using ArcGIS silverlight API
I am using a GP task to print my map and its legend. Well it works fine. But it is really slow.
Also I am not able to print the route event layer that I create. It does not show on the map.
Please ...
3
votes
1answer
2k views
How to use ET GeoWizard tools or Xtools Pro in ModelBuilder or Python to automate processing?
Is it possible to use ET GeoWizard or XTools Pro tools in automation of mapping in either in ModelBuilder or Python?
3
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0answers
116 views
How do I assign attributes from hydrologic sinks to upstream features?
I have a large hydrology geometric network with more than 300 sinks and roughly 150 barriers. I'd like to have the SinkID added to the attributes of the barriers (some individual networks have a ...
3
votes
2answers
319 views
How to get all features in current extent
I like to add text information to each feature in the shown map extent in my MapControl/PageLayoutControl. Adding the text is not a problem, but I couldn't find a way on how to get the features.
Is ...
3
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2answers
1k views
Arcgis: How to find polygons within a polygon?
I am new to GIS and ArcGIS. I have a problem I need to solve:
I have a set of polygons, some of which enclose other polygons. They are lake polygons, and within lake polygons, are smaller island ...
3
votes
3answers
657 views
Problem with NDVI image value
I'm really happy to find this website. It is very helpful for the learners of Arcgis.
Now I wanna ask a question. When i open NDVI image in ENVI, its value is still within the range (-1 to 1). But ...
3
votes
1answer
428 views
ArcObjects VBA: Setting Spatial Reference for Geometry Bag
Greetings,
Within the ESRI SDK resources there is an example of combining polygons by use of a geometry bag. The following code appears:
'Define the spatial reference of the bag before adding ...
3
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3answers
570 views
Is it possible to create a python script to rec/post versions?
I’m trying to set up a python script so that I can schedule our rec/post to run on a server. I’ve created a model with the Reconcile Version tool, with the option to Post checked on. I then export ...
3
votes
1answer
369 views
Null values in plugin data source
How do you appropriately setup a plugin data source to allow for null values (in .NET - C# preferred)?
I'm currently setting up a field using:
field.Type_2 = esriFieldType.esriFieldTypeSingle;
...
3
votes
2answers
269 views
Getting line FID from polygon ITopologyGraph
I want to export polygon Arc list to txt file for that
I created topologygraph for personal geodatabase feature class (polygon)
using ITopologyGraph::build.
I got polygon FIDs but I am not getting ...
2
votes
1answer
71 views
Select by attribute expression invalid in python
I'm not sure how my expression is failing. Any ideas?
inPoints = "points.shp"
i = 0
arcpy.MakeFeatureLayer_management(inPoints, "pts")
arcpy.SelectLayerByAttribute_management("pts", "NEW_SELECTION", ...
2
votes
1answer
56 views
ArcGIS 10: How to populate SQL options for parameter in tool
I'm trying to create a tool where individuals can select a variety of records using a SQL expression that is then passed to a calculation. I can add a parameter under the tool, and select SQL ...
2
votes
2answers
61 views
Where can I get the list of Geographic Tranformations in ArcGIS and the area where they are aplicable?
I have some data in Provisional South American Datum 1956, and I need to project it to Web Mercator with WGS84 as the datum.
When I use the project tool in ArcGIS desktop, it requires a Geographic ...
2
votes
1answer
216 views
Which coordinate system and projection shall I use for georeferencing google map image in ArcGIS?
I have saved Google Maps image (not Google Earth) of area at latlon(17.692437,83.218689) by some method in jpeg format. It is an exact snapshot of the Google Maps. Now I need to geo-reference it to ...
2
votes
1answer
288 views
How to create an empty group layer within an existing group layer with arcpy.mapping?
Referencing this question, Add a new group layer with python ArcGIS 10, I'm trying to use python to add a empty group within a group layer. So far I'm able to add a empty group within the map ...
2
votes
3answers
307 views
How to count features in polygon using ArcGIS JS API?
I have published in my ArcGIS Server two layers: A polygon one and a point feature one. Points are contained in polygons.
I would like to know how to count the number of points belonging/contained to ...
2
votes
2answers
522 views
Help with ListFields and CalculateField_management syntax
I need some assistance with the syntax for a CalculateField_management calculation as I have still yet to master all the python syntax rules.
What I am trying to do is find the max value in a ...
2
votes
1answer
144 views
Create an optimized point layer derived from a road layer so that the driving distance between each point is x
Consider a classic state-wide or country-wide roadway network. I want to create a point layer, where each point is on the roadway network. This point layer will have each point separated by its ...
2
votes
2answers
2k views
How to convert bearing, distance, xy coordinate measurements to point shapefile?
I have a natural resources dataset where individual seedlings in canopy gaps were recorded from a center "legacy tree" within each canopy gap. Each sapling has the following measurements associated ...
2
votes
2answers
4k views
How much is 1 meter in decimal degrees?
I supposed to know this but unfortunately I do not know. I am using Tester to select objects that are bigger than 1 m. My data are in EPSG:4326. How much is 1 meter in decimal degrees?
2
votes
1answer
466 views
Outputting results message from spatial statistics tool to text file using python
I'm using the following tool in ArcGIS 10 - Calculate Distance Band from Neighbor Count (Spatial Statistics). I'm using a python script to execute this tool several times on different shapefiles:
...
2
votes
2answers
789 views
Shape files are not being adding to MXD using arcPy
I want to add a shapefile to an mxd document using arcpy but it generates the following error when used by adding script in arctoolbox
import arcpy
mxd = arcpy.mapping.MapDocument("CURRENT")
...
2
votes
2answers
859 views
ArcGIS and Python Issues with Different Versions
As we know, there are few versions of Arcgis (9.x,10) and Python(2.x,3.x) are in use.
Issues are facing when we run scripts/toolbox of arcgis since the script written in one version of python and the ...
2
votes
1answer
456 views
sorting the records in a shapefile based on an attribute(eg: pop) and then adding a new field indicating ranks using python
Basically, I am trying to sort the records within the shapefile based on an attribute(eg: pop) and then add a new field that indicates ranking based on the sort. eg: the record with the highest pop ...
2
votes
0answers
1k views
Choosing between Dynamic layers and Feature layers
I'm building a client using the ArcGIS WPF libraries, that's displaying my entities on a world map. I'm using an ArcGISDynamicMapServiceLayer to display the geographic and topographic base map, and ...
2
votes
1answer
131 views
Limits to processing files from a list of rasters
I have written a script which selects all files that are within or subset by an area of interest polygon. This works fine but when the file list it's working has more than 150 records it stops ...
2
votes
2answers
557 views
Does the ArcGIS Javascript API support multiple map service urls per layer?
I've called tilecache from OpenLayers in the same manner as the example below. Is it possible to do something similar with the ArcGIS WMS map layer?
var urlArray = ...
2
votes
4answers
5k views
I'm having trouble with getting a shapefile in the right projection. What am I doing wrong?
I have an older map that I didn't create. I'm just trying to get everything to line up on it, and having a hard time.
The data frame is in NAD_1927_UTM_Zone_12N, as are the point shapefiles (derived ...
2
votes
1answer
280 views
no route detected in network
why this warning box appear when i click at solve button in network analyst toolbar ? - No route from location "Graphic Pick 46" to location "Graphic Pick 61".
Error: No solution found.
2
votes
2answers
1k views
How to recode field values based on field contents?
Is there a convenient (or even effective) method for recoding field values using the field calculator or standalone python script? In this case, I am given several unique strings to identify a type of ...
2
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1answer
1k views
Run Model ArcMap 9.3.1
I would like to Run/execute a model within ArcMap 9.3.1 vba. I can run it in vba by exporting out the VBS script and importing it into vba, however I'm wondering if there is an easier way to just call ...
2
votes
1answer
692 views
How to save Custom labelling (template) so it can applied to other feature classes
Hi all
I sometimes work with large NTDB datasets, and was just wondering the best way to go about saving all of my custom labeling. Is there a way I can save all of my custom label classes so I can ...
2
votes
4answers
839 views
What are Limits on ArcScene and LiDAR?
I am trying to load anywhere from 5 to 10 LIDAR TINS into ArcScene. I am using ArcGIS Desktop Evaluation (student) 9.3.1. I just built a new computer with a AMD Phenom II X6 1090T six core processor, ...
2
votes
1answer
1k views
ArcGIS: Place all labels on a map non overlapped
I was wondering if there is a way to place all labels on a map non overlapping, but by extending an arrow/line from the label to the point.
I've tried the call out box, but I couldn't find a way to ...
1
vote
0answers
37 views
Feature to Raster Conversion Results in Empty Raster [closed]
I have a simple shapefile with one feature in it with a single value (of 1). I am trying to run a Euclidean Distance on that feature, but I get "invalid parameters" errors.
So I tried to convert the ...
1
vote
1answer
65 views
How to display relative concentration of point features in ArcMap (heatmap)
Please bear with me here - I'm pretty new to GIS, and I'm having a lot of confusion about all the different terms I've seen thrown around.
Here's my problem: I have a large dataset of point ...
