DO NOT USE this tag except for questions concerning the ArcGIS platform AS A WHOLE. Normally use a product tag such as arcgis-desktop, arcgis-server, arcgis-online, arcgis-mobile or arcgis-runtime in conjunction with a version tag such as ArcGIS-10.2, arcgis-10.1, arcgis-10.0 or arcgis-9.3.

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5
votes
2answers
733 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): ...
1
vote
1answer
112 views

Projection Transformations [duplicate]

Possible Duplicate: How can I measure area from geographic coordinates? I created my spatial tables in WGS-84 with SRID:4326, I want to transform them to UTM Projection to measure length ...
2
votes
2answers
1k views

Automatic Watershed Delineation

I am trying to delineate watersheds automatically using Arcgis/Achydro. I got the drainage area contribution of stream segment (part of stream) as shown in figure stream. The corresponding drainage ...
2
votes
1answer
724 views

How to Group By with Summarize on alphanumeric field in ArcGIS?

Is it possible to create from Summarize option, a new table with the COUNT of a string field and the code of municipalities, in my case, like that: +-------------------+--------------+ | ...
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 ...
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 ...
2
votes
2answers
312 views

Is it possible to create a join between a feature class and a table created with an InMemoryWorkspaceFactory

I'm trying to join a featureclass contained inside a pgdb with a table created with an InMemory Workspace. The in-memory table contains results that I want to use to define symbology on the ...
8
votes
3answers
1k views

How to combine corner-touching polygons into a single feature

I have created a polygon layer from rasters, and only have a single classification ID (and calculated acres) for each polygon. I would like to "dissolve" all touching features into larger, individual ...
4
votes
1answer
332 views

How to create complex map symbology using AutoCad Map object classes?

I'm trying to find the best way to transfer maps form ArcGIS to AutoCad Map. In ArcGIS map model is separated from it's representation. View is created by applying symbology and representation rules ...
2
votes
1answer
827 views

What does “Error when writing Schema: A unique destination featuretype name could not be generated for” mean?

I have a bunch of GML datasets which I need to import to Esri featureclasses. I am using the Data Interoperability extension for ArcGIS, which should support this. However when trying to import my ...
0
votes
1answer
2k views

How to to print and save the map with tiled and dynamic layers in arcgis using javascript?

I want to print this map. Can anyone please suggest to me how to print and save the displaying pap in ArcGIS using JavaScript? <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ...
1
vote
0answers
227 views

how to automate changing polygon's shape while keeping its area the same and limiting deviation from orginal centroid? [closed]

I have a polygon that was digitized based upon visually interpreting underlying values of rasters/vectors that represent a natural environment (soil type, surface roughness, slope, elevation, ...
3
votes
1answer
2k views

How to create cross-sections in ArcGIS?

I have some problems to find the correct tools for a university project I am working on. Would be really nice if someone could help me to find the right tools. Is there the possibility if I have a ...
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 ...
8
votes
6answers
1k views

How to integrate SAGA Python Modules into ArcGIS Desktop?

I have been having a look at SAGA (http://www.saga-gis.org/en/index.html) and it seems to have some nice tools for geoprocessing. I was wondering if anyone out there has had any luck bringing SAGA ...
2
votes
3answers
966 views

Batch fix overlap errors

I have a feature class with about 250,000 contiguous polygons. ArcEditor turns up around 9,000 overlap errors when I validate the topology. I want to merge each of these errors into one of the ...
3
votes
2answers
153 views

How do I visualize a time and space sequence of events in ArcGIS?

I would like to visualize this scenario: I have 5 weather stations. I would like to present a sequence of rainfall events for them. For example, rain was starts at station 2 at 6:09 and then went to ...
5
votes
2answers
2k views

ArcGIS 10 Field Calculator doesn't notice selection/Attribute Table problem?

I just have an annoying problem with the Field Calculator in ArcGIS 10. I selected specific points of a Shapefile I want to calculate, but FC is always calculating all fields. Unfortunately there is ...
6
votes
1answer
3k views

ArcGIS 10 — Polygon Centroid Options and Appropriateness (FeatureToPoint, Labels, etc)

I've found a couple of other Stack Exchange questions related to this, but just like the ArcGIS online help, they were not satisfying. For instance, How does ArcGIS calculate the "inside" ...
4
votes
1answer
2k views

ArcMap, Make Grids and Graticules Layer example

I'm trying to use the Make Grids and Graticules Layer tool in ArcMap (have a ArcInfo license). I'm looking for a basic example like in North America. eg. 1.)Start with empty map 2.) Set data ...
0
votes
2answers
558 views

Arcpy: replaceDataSource, cad_workspace

I am having trouble replacing the data source on CAD files using arcpy. Everything I have tried runs into this error: Runtime error type 'exceptions.ValueError' : Layer: Unexpected error Here is a ...
21
votes
1answer
833 views

What does the adoption of Python by NVIDIA for GPGPU mean for GIS?

Today NVIDIA announced support for the Python language on its flavor of GPGPU (CUDA). Manifold GIS uses CUDA to enable some accelerated raster operations but it is not a programmable environment and ...
0
votes
2answers
6k views

How to convert from UTM Zone 36N Mercator to WGS 84 degrees of lat and long?

I have acquired many coordinates from a points I extracted from polygons. The points are in WGS 84 UTM Zone 36N, and I want to use them on Google Maps. I found out that they use different systems (I ...
-1
votes
2answers
269 views

Delete feature from geographic database

How do I delete a selected feature from database when it is clicked on in the ArcGIS API for javascript?
0
votes
1answer
512 views

How to create a report of all feature classes in a geodatabase?

I am not getting any response from this script and no error displayed at all I am writing this script to help me display the feature classes in my geodatabase Here is my script import arcpy ...
2
votes
2answers
570 views

What issues exist with using log4net as a logging framework for ArcGIS Desktop?

While updating some ArcObjects projects to ArcGIS 10, I realized that I don't have a comprehensive logging strategy. Sometimes it's log4net. Sometimes it's System Trace/Debug. Sometimes custom ...
2
votes
3answers
642 views

Looking for a fine U.S. Latitude and Longitude grid (0.25, 0.5 degree)

There is a global latitude and longitude grid data available at 1 degree resolution and higher (http://www.arcgis.com/home/item.html?id=f11bcdc5d484400fa926dcce68de3df7). Is anyone aware of a finer ...
13
votes
1answer
827 views

How can I utilize NumPy arrays to optimize big data geoprocessing?

I'm interested in learning how to utilize NumPy arrays to optimize geoprocessing. Much of my work involves "big data", where geoprocessing often takes days to accomplish certain tasks. Needless to ...
3
votes
4answers
2k views

Scriptable way to merge polylines that join in ArcGIS

I have a number of polylines (around 9000), a number of which have one or both ends touching another polyline. I would like to merge these ones together into one polyline - thus reducing the number of ...
5
votes
5answers
12k 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 ...
3
votes
1answer
1k views

Auto-update the map service & REST in ArcGIS server 10.1

I have one map service which is updating per day so I need to manually overwrite the service in ArcGIS 10.1 In previous versions 10.0 its very easy..just update the .mxd then REST will be auto ...
3
votes
2answers
1k views

How to merge two polylines in code?

We are currently working on a project where we have to merge sections (polylines) to a route, but the big question is how you do this. We have currently tried adding those two as segmentcollections ...
3
votes
1answer
294 views

ArcMap - cartographic representation and labels

Cartographic representation in ArcMap is a nice way to temporary change geometry of features, so you can make adjustments just for map making. In my mapping project I need to move some point features ...
8
votes
1answer
231 views

Are there any rules of thumb for the neighborhood settings in Focal Statistics?

In ArcGIS 10, users can define the neighborhood in the Focal statistics tool. The moving window shape can be set to any of the following: Wedge, annulus, circle, rectangle, irregular, and weight. ...
3
votes
2answers
353 views

Print Map as Tiles in QGIS or using any software.?

i need to print a detailed map, on a street level zoom of Metro Manila. i figured to do this i need to download map tiles, but that will be a breach on map usage in OSM. then i found this website, ...
3
votes
2answers
795 views

Creating dynamic GIS charts in ArcGIS 10.1

I have generated a table which has road segments which get inundated during different flood events. I want to be able to add a pie chart to the map which shows that during each flood ARI (1y, 2y, 5y, ...
3
votes
1answer
401 views

ITopologicalOperator and Z Values

I have 2 polygon featureclasses with Polygon ZM features. I am trying to do a ITopologicalOperator.Difference() on these feature classes but it errors saying that: Geometry cannot have Z values ...
1
vote
2answers
202 views

IFieldChecker problem

I'm having some problems using IfieldChecker. I have this following code, which I'm trying to test permitted/not permitted fields, according to my workspace public IEnumerable<IFieldError> ...
8
votes
8answers
2k views

How to build topology without an ArcEditor or ArcInfo license?

I have a huge dataset that I am capturing that was full of errors previously and I want to make sure that the new version is error free - which can be very time consuming with only an ArcView standard ...
1
vote
3answers
2k views

How to style OS VectorMap district data?

Following a question about ways to load OS VectorMap data, I have imported the data into ArcGIs, but now want to style it in a OS-map style. I have searched around, and found various bits of ...
2
votes
1answer
849 views

What is the proper way to delete an SQL Server database in order to delete an SDE geodatabase?

I'm new to this SDE stuff and would like to know the best way to cleanly delete an SQL Server database in order to delete the SDE geodatabase. Is it as easy as right clicking on the database in SQL ...
0
votes
1answer
249 views

Error while creating a slope [duplicate]

I have a elevation raster (1 arc second) downloaded from USGS site. Before adding it to ArcMap I changed the display units to meters.The projection system for this raster is GCS_1983. When I use the ...
3
votes
2answers
1k views

Why is Raster Layer not visible?

I have a raster dataset that is not visible in Data View, but it is listed in the Table of Contents. I have tried viewing it in ArcCatalog but it is not visible there either. Is there something I ...
0
votes
1answer
1k views

Getting an“ 001270 error : Consolidating the data failed.” while publishing as map service in arcgis server 10.1

I am getting an error "001270 error" . I am inserting table for sql-server database and joining few records to polygon layer also I have lat,Lon data in few tables so I am displaying data using ...
29
votes
2answers
2k views

Streamlining Python Code for Big Data

I have Python code which is designed to take point shapefiles through the following workflow: Merge points Integrate points, such that any points within 1 m of each other become one point Create ...
10
votes
2answers
2k views

Methods for optimizing multcore processing in ArcGIS

I am interested in learning methods to utilize the full extent of multicore processing power available on a desktop computer. Arc states that background geoprocessing allows the user to utilize ...
0
votes
1answer
136 views

Elevation Drop Along a Stream [duplicate]

Previous discussion In reference to a previous discussion, suppose I want to cut the stream every 100 m and find the elevation drop every 100 m. How can I do this?
3
votes
1answer
216 views

Adding table to the MapServer so the layers and tables can be associated

I'd like to add tables to my MapServer. I want it to include both feature layers and tables which enables me to associate the layers with the relevant tables and retrieving the necessary fields of the ...
0
votes
1answer
386 views

How to add a graphic table element in Python without Production Mapping extension?

I'd like to add a table in the Map Layout that includes only items visible at the current extent of the dataset. I know that the Production Mapping Extension lets you insert a Graphic Table Element ...
0
votes
1answer
617 views

How to get route between Two lat/long using ArcGis Map in Android?

What I'm trying to do is have two edit boxes for source and destination. Based on those two locations I need to draw the route on an ArcGIS map in Android. Any ideas or suggestions would be greatly ...