This tag should only be used for questions concerning the ArcGIS Platform from Esri (as a whole). 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.

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7
votes
2answers
1k views

ArcGIS 9.3 Mapbook

I'm looking for a product that will produce multiple pdf plots of mapsheets specified by a shapefile key (say, 11 x 17) from ArcGIS using a single .mxd template, include and orient a common keymap, ...
7
votes
5answers
1k views

What type of interpolation should I use to visualize metal detection survey data?

I have about 500,000 points collected in a linear grid pattern over a 1 km2 area. The points were collected as part of a metal detection survey. Each point has X,Y and Coil Response mV (min -675.38 ...
6
votes
4answers
1k views

How to find dead-ends in a road network

I'm trying to remove all the dead-end roads in a road dataset (lines) that are less than 100m long. How do I identify roads that are dead-ends (no exit)? The 100m part is easy. I know how to use Arc ...
6
votes
2answers
659 views

How is the default label field chosen by ArcMap?

I have 2 questions: I know how to manually go to Layer Properties>Labels tab>Label Field and choose my label field. I also know that I could set up my primary label field and save the setting as a ...
6
votes
2answers
775 views

How do I select only those features, that are connected?

I have a polygon layer of water reservoirs and a polyline layer of canals. In my data, some canals are originating from reservoirs, and leading to other canals. On the other hand there are some ...
6
votes
1answer
4k views

How to provide automatic overview map, ArcGIS 10

This is a slightly badly phrased question I know, but I'm not really sure what to call this. My supervisor recently showed me a printed out map that he had produced with a high-resolution satellite ...
6
votes
3answers
692 views

What is the ArcGIS answer to ArcInfo Regions?

Here's one for those who've been around the block a few times. ArcInfo Workstation from days of yore had an intelligent data model called Regions or Region sub coverages. With this model one could ...
5
votes
1answer
2k 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? ...
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 ...
5
votes
1answer
3k views

How to convert ESRI grid file to ASCII format, or otherwise import into matlab

I need to import a climate map downloaded from WorldClim into Matlab for manipulation with the mapshow command. I am comfortable reading in ASCII grid data into matlab, but this format is not ...
5
votes
1answer
1k views

Why do simplify polygon results differ between ArcGIS and PostGIS?

I am mainly interested in why and how the Simplify Polygons tool in ArcGIS handles the simplification process, including preventing and resolving topological errors better than the equivalent ...
5
votes
1answer
2k views

How to calculate polygon area considering slopes?

I am looking for an accurate algorithm or a service to calculate surface area on earth where points are calculated on the basis of GPS Coordinates. I am using Google Map Api version 3 and are drawing ...
5
votes
1answer
960 views

Is there a version of the ESRI ArcGIS Symbol Library PDF for ArcGIS 10, or some other cheat sheet for symbols/line weights?

ESRI has an old set of PDFs from 2004 showing all the symbols available in ArcGIS at the time and their names. I don't need it often but if I'm searching for a certain symbol and don't know its name ...
5
votes
1answer
2k views

ArcGIS 10 Rest services regulary stop working

I have a problem with a new installation of ArcGIS Server. The installation is ArcGIS 10 on Windows Server 2008r2 with IIS 7. I have followed this guide to configure the IIS ArcGISServicesAppPool: ...
5
votes
5answers
884 views

georeferencing aerial photos with only known centroid

I have heaps of aerial photos that need to be georeferenced. I have access to ArcMap and ERDAS. All I am given is an excel sheet with the centroid coordinates of each image. Each photo covers an ...
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 ...
5
votes
2answers
1k views

Call FWTools (ogr2ogr) from ArcGIS python script

In ArcGIS, I want to use a Python script (and a standard ArcGIS script tool UI) to call functionality from FWTools. How would I make the call to FWTools? I tried using ...
5
votes
6answers
5k views

How to create duplicate features based on related table - many-to-one conversion

I need to create duplicate features (in this case parcels), using a related table to populate ID fields. In essence, I need to use a related table of parcel owners to create duplicate parcels, each ...
4
votes
2answers
802 views

arcpy.da.SearchCursor - unique value get second field value

I have a feature class and using arcpy.da.SearchCursor I'm getting unique values of a field (e.g. Name). How can I use this method to get the associated row value of a different field (diff field = ...
4
votes
3answers
2k 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 ...
4
votes
5answers
3k views

How can I export a sketchup Model to ArcGIS's Multipatch?

I have a very large model made in Google Sketchup v 7.1. I would like to export this to a Multipatch featureclass, so that I can view it in ArcScene, with other 3D data. I have tried several things, ...
3
votes
2answers
2k views

Compute Angle of a line in conventional bearing

I am trying to compute angle between two lines (line segment) using ESRI (ArcGIS, JS) in conventional bearing (Eg: N29'E) I am using Add Toolbar to draw a line segment where point A is a fixed point ...
2
votes
4answers
237 views

Which topics are fundamental for ArcGIS?

Similar to Which topics are essential for a crash course in QGIS?, which topics are fundamental to ArcGIS? Basic through advanced topics are welcome. Should be freely accessible to all. This is about ...
2
votes
1answer
720 views

Seeking shapefiles of business locations

Does anyone know where to find shapefiles of businesses such as grocery stores or gas stations? Thanks!!
11
votes
9answers
788 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 ...
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 ...
9
votes
1answer
3k views

How does ArcGIS calculate the “inside” point for “Feature to Point”

Let me back up and say that from what I understand there are two common ways to calculate the centroid of a polygon in ArcGIS: Using Calculate Geometry on fields within the attribute table of the ...
8
votes
4answers
4k views

How do you explain what a .lyr file is?

My organization uses .lyr files consistently as a means for our users to view the data and build their mxds. It works great for our purposes, but we have run into an issue where we don't think the ...
8
votes
2answers
491 views

What happens to a feature class when importing to a feature dataset?

I am creating a model that needs to ensure that all input datasets end up in the same coordinate system (among other things). I was originally going to batch project all of the datasets whether they ...
7
votes
3answers
358 views

Is there a way to Query what's “NOT THERE”?

If you have land tenure mapping, and you're only interested in the areas for which there are no polygons in a region, is there a way to query these areas out and create a shapefile from them. A ...
7
votes
1answer
1k views

How to create sidebar help information for custom arcgis script tools?

I have been creating custom gis tools with python via the arcpy module. I can set up the tool successfully with parameters and all, but I cannot figure out how to create help text that shows up on ...
7
votes
4answers
2k views

Symbolising One-to-many relationships

I have a polygon feature class which has various extent areas with a name which is unique I also have a table (in an FGDB) that has the extent names with a score value. But there can be many score ...
7
votes
6answers
3k views

Extract boundary from detailed layer in ArcGIS or QGIS

Is it possible to return the boundary (outside) permiter of a polygon layer? Let's say you have the map of the USA, for simplicity, broken down to the county level, is it possible to return the ...
7
votes
3answers
2k views

Managing ArcGIS floating licenses

How do you manage your ArcGIS floating license pool? I have to field several calls a week, or sometimes a day, from staff wanting to be able to check out Spatial Analyst or ArcInfo but they can't ...
7
votes
2answers
391 views

Data-type detection in ArcGIS table loading

When adding tables layers from Excel files, ArcGIS attempts to guess the data-types: Microsoft Excel does not enforce field types for values during data entry like standard databases do. ...
6
votes
3answers
2k views

Create features from ArcGIS Topology errors

I have imported field users shapefiles into an ESRI geodatabase so that I can create some topology rulesets that identifies the errors as needed. Unfortunately the field users do not have a license ...
6
votes
1answer
2k views

In an arcpy script, how do I convert ArcGIS date value to a string reading in mm/dd/yyyy format?

I am writing an arcpy tool script in ArcGIS 10.0. In a fGDB feature class, I have a Date type field. I gather that the values in the Date field are stored as long integer dates, but they display in ...
6
votes
3answers
3k views

View vertices in ArcGIS

In ArcGIS (I use version 9.3), is it possible to change the polyline symbology to show vertices? Or do I need to extract the points via Feature Vertices To Points? This becomes a pain if I want to ...
6
votes
2answers
1k views

Valid feature class, table names in ArcGIS

hi What are valid rules for name of feature class or table in ArcGIS. Is there any supporting document some body know which can explain all the limitation in ESRI platform. In ESRI support site i am ...
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 ...
5
votes
2answers
3k 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 ...
5
votes
1answer
1k views

Working around the raster calculator in ModelBuilder - ArcGIS

I am experiencing a problem with the raster calculator in the Model Builder under ArcMap 10. I need to combine two layers: a drainage map (issued from a series of previous operations on a DEM) and a ...
5
votes
0answers
319 views

Can Quantum GIS replace Proprietary GIS? [closed]

I’m an MSc GIS student in the final year of my studies. I’m researching for my dissertation project which is entitled ‘Can Quantum GIS replace Proprietary GIS in large organisations?’ I’m primarily ...
5
votes
2answers
5k views

How to calculate new point coordinates from distance and angle?

I want to calculate the coordinates of a new point. What I have: The source point coordinates, the distance (meters) and the angle For example: I want to create a point within 100 meters and 45 ...
5
votes
5answers
8k 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 ...
5
votes
3answers
2k views

Labels aren't showing up when I convert from .mxd to .kml

I've been trying to convert a map from .mxd to .kml for google earth. The map has municipalities labeled as well as train stations. When I save it and open it in Google Earth, only the train station ...
5
votes
1answer
1k views

ESRI 3D Analyst: Which Graphics card?

in order to make the most of ESRI´s 3D analyst I would like to order an appropriate graphics card. I have been recommended the AMD FirePro V5900 2 GB by someone who doesn´t know much about GIS hence ...
5
votes
2answers
4k views

Correct way to create a DEM from point data in csv files

I know this might seem a somewhat general question, but I have to start somewhere. I have a lot of csv files which contain point data containing height, aspect and slope measurements at a resolution ...
5
votes
1answer
324 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 ...
5
votes
2answers
752 views

Identify features

I am new to arcgis.I am building a custom desktop GIS application using arcgis engine 9.3.1 .I want to make a custom identify tool and add it to toolbar control.Any example or code will be helpfull. ...