Use this tag ONLY 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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9
votes
1answer
467 views

Any experiences or “gotchas” integrating Whitebox GAT (free and open) with the ArcMap UI?

I wrote a number of ArcGIS VBA automations in grad school; however, they're fully dependent on the ESRI SpatialAnalyst extension, which is not only closed-source but expensive to the point of ...
5
votes
2answers
625 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 ...
2
votes
1answer
611 views

Snapping lines to points

I have a layer containing a vector 'Line 1', that originates at point 'A' on a second layer. I also have point 'B' on a third layer. I want to create 'Line 2' that has the same angle and length of ...
4
votes
1answer
802 views

Export and edit annotation featureclass using arcpy

I would like to convert labels to annotations and make some advanced editing for these labels using ArcPy. How would I do this? I'm using a file geodatabase and ArcMap 10. Any help, please.
5
votes
5answers
10k views

How to break a single polygon into multiple polys?

I created voronoi polygons after which I dissolved them on the basis of one attribute. Now there are cases where in for one single attribute "abc" I have3 polygons at different places with same object ...
4
votes
3answers
1k views

Reproduce raster with the same extent, and the same number of columns and rows

I have two raster A and B. A and B have the same grid size but different extent. How can I make A has the same number of columns and rows, as well as the spatial extent of B?
4
votes
3answers
3k views

Assign symbology to multiple layers in one operation?

Is it possible to assign the same symbol to multiple layers of the same geometry type within an ArcMap document in one operation? For example, I was hoping to: Select multiple layers in the TOC ...
5
votes
3answers
1k 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
1answer
328 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 ...
2
votes
1answer
169 views

Get Annotations selection Arcobjects

i have annotations stored in mxd document, when i select some annotation , i tried to get the selection through graphics selection, so i got always the rectangle of the dataframe (because i'm working ...
5
votes
2answers
1k views

How do I export a 3GB ArcGIS Raster to KML w/o losing resolution?

I have a 3GB raster layer, and I'd like to export it to KML for use with Google Earth. When I use the "Layer to KML" conversion tool in ArcMap, I end up with a low-resolution overlay: looks like one ...
1
vote
1answer
150 views

Include Python Script with ArcObjects Addin

I'm building addin for 10.1 and need a method (ConvertToMSD) that's only available in ArcPY. I've figured out out how to execute a python script from an ArcObjects addin: Calling arcpy/python from ...
2
votes
5answers
1k views

Counting road intersections and blocks

I have a shp file that consists of the road system of Mexico City. I would like to count the number of road intersections (crossings) and blocks (which I would define as a segment starting from one ...
10
votes
6answers
934 views
5
votes
2answers
6k views

NoData in ArcGIS Spatial Analysis

When using Spatial Analyst I regularly have issues with NoData values cropping up in the data. Various tools appear to introduce NoData values regularly. These values then cause issues with other ...
12
votes
4answers
2k views

Are the ESRI .lyr and .mxd data format specs published?

Are the binary formats of .lyr and .mxd files published?
8
votes
2answers
1k views

How to enable SEXTANTE toolbar in ArcGIS 10.1

I have just upgraded to ArcGIS 10.1 from version 10.0. I am trying to add the SEXTANTE tools to ArcToolbox. I have followed all the instructions from the SEXTANTE website. I have also tried the ...
6
votes
3answers
3k views

ArcGIS Export Selected Raster Graphics

I'm having a problem exporting raster graphics using ArcGIS 10. It seems simple enough, but for some reason I cannot get ArcMap to work with me. Here are my steps: Add a raster to ArcMap Open the ...
5
votes
2answers
641 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 ...
3
votes
1answer
3k 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?
6
votes
2answers
574 views

Using Python, Batch Project output won't drop in a feature dataset (ArcGIS 9.3 or 10)

When attempting to batch project in ArcGIS (using either arcpy or arcgisscripting), I cannot get my geoprocessing results to drop into the feature dataset that I specify. The results instead are ...
2
votes
1answer
109 views

Syntax question for ArcGIS ICalculator object

This is a silly question, but I have this code snippet that I can't figure out: 'Define a calculator for NewArea field pCalculator = New Calculator With pCalculator .Cursor = pCursor ...
3
votes
2answers
541 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 ...
1
vote
3answers
1k 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
2answers
549 views

Problem Reclassifying Rasters

I need to reclassify some vector data which was made from Euclidian distance from points and lines. So after getting the Euclidian distances, I tried to run reclassify, but got: Error 001100 Failed ...
5
votes
2answers
680 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
110 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
641 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 ...
10
votes
2answers
2k views

Has ESRI made any definitive announcements about 10.1 SP2? [closed]

My organization is awaiting SP2 before we can move our primary GIS team from 9.3.1 to 10.1. I have been testing 10.1 and have found a particularly bad bug that we've been told will be addressed in ...
2
votes
2answers
285 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 ...
8
votes
3answers
412 views

Is there a way to tell the geodatabase version using Python?

I want to find out if either a file or personal geodatabase is 9.3, 10.0, 10.1, etc Is there a way to do this using Python?
4
votes
1answer
320 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
801 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 ...
14
votes
5answers
3k 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 ...
0
votes
1answer
1k 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
220 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
1k 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
2k 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 ...
5
votes
1answer
2k views

how does a personal-gdb work from a MS Access perspective?

I am trying to get a better general understanding of how ArcGIS works with MS Access when using a personal geodatabase. If I create a new pgdb and then import a very simple shapefile and finally look ...
8
votes
3answers
659 views

Applying version control to ArcGIS Models

Version control is an indispensible tool for software development, allowing one to reliably and cleanly step back in time to the last time X did it's job exactly right, or to see what changed between ...
2
votes
3answers
909 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
151 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 ...