ArcGIS is Esri's GIS platform name. DO NOT USE this tag except for questions concerning the ArcGIS platform AS A WHOLE. Product tags (arcgis-desktop, arcgis-server, arcgis-online, etc) combined with version tags (arcgis-10.3, arcgis-10.2, etc) are preferred

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6
votes
3answers
692 views

Zero filling attributes using python

Being the AML dinosaur that I am, I am just learning python and I need to convert a 2 digit numeric attribute in a table to a 2 digit zero-filled attribute in a script. Example 9 needs to be 09. Any ...
6
votes
2answers
1k 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
2answers
731 views

Alternatives to ArcGIS Extensions using ArcObjects?

I was wondering if there are any projects based around using ArcObjects and external libraries to create open source alternatives to extensions in ArcGIS. For example 3D Analyst, Spatial Analyst etc ...
6
votes
1answer
9k views

How can I transform GCS_North_American_1983 to GCS_WGS_1984?

I posted a thread today describing a shift in some of the NRC data (not all). Apparently, this shift has to do with conversion between Geographic coordinates, latitude and longitude and Transverse ...
6
votes
5answers
4k 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, ...
6
votes
2answers
158 views

summing up over an area based on a distance related function

Through a field study, we learned that the density of a bird species in the forest was related to the distance to forest edge: ln(density) = 1.89*(distance to edge) + 0.34 Now, for any forest ...
6
votes
2answers
522 views

Find Duplicate Feature Classes in ESRI Geodatabase

I have inherited a SDE instance that has 1000+ feature classes within which are around 100 Feature Datasets. I have found through manual exploration that there are at least some Feature Classes that ...
6
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 ...
6
votes
2answers
5k views

How to do regression analysis between two variables using ArcGIS

I have a temperature image (interpolated from climatic point data) and NDVI data at the monthly interval. I need to do correlation analysis between temp and NDVI. Is it impossible to do this using ...
6
votes
1answer
558 views

How to get table Name from IObjectClass

I'm using IRelationshipClass.DestinationClass to get an IObjectClass. From here, I want to be able to get the table name, but can only access the AliasName. Any ideas? UPDATE Aughhh, after ...
6
votes
3answers
1k views

How to find the elevation differences between adjacent pixels in ArcGIS?

Is there a way to determine what the difference in elevation is between two adjacent pixels? I am using an SRTM DEM to map faults. I am using the vertical error (>16m) as a criterion for the ...
6
votes
2answers
1k views

ArcGIS 10 British National Grid Transformation

In ArcGIS 10 a new transformation has been added for converting between WGS84 and British National Grid. What is OSGB_1936_To_WGS_1984_NGA_7PAR? How should it be used when compared with the other ...
6
votes
1answer
266 views

Does Arcpy work for Engine or Server the same as Desktop?

I am contemplating a project where there is not going to be access to ArcGIS Desktop and wondering if Engine and/or Server install ArcPy and Python? Is this possible? Does anyone have an example?
6
votes
3answers
2k views

How to create floating-only window in ArcMap?

I'm looking for a way to create a floating window in ArcMap. To give an example just look at the window of the Identify tool. Floating means that it stays in front of the map document at all times ...
6
votes
1answer
312 views

How to reclassify raster data by their sign?

I want to do the following: I have two data raster sets with different units and values. One results from measured metric data, the other from modelled grid values. What I want to compare is simply ...
6
votes
2answers
442 views

How to parse serial date in ArcGIS?

I have imported a shapefile that contains a serial date number that looks like this: 41256.260799. I would like to create a new field that shows only the hour and second like this: 06:33. I've tried ...
6
votes
2answers
2k views

How can I merge the attribute tables from feature classes into a single table, easily?

I have a large number (approx. 1,100) polygon feature classes. What I would like to do is to merge the attribute tables from each of these feature classes into a single table, in the simplest and ...
6
votes
1answer
678 views

What is the right way to automate ArcMap 10 with ArcObjects for unit testing?

I need to run unit tests against ArcMap extension which closely coupled with specific edit workspace and map state. When I try to initialize ArcMap application with code like this: ...
6
votes
1answer
1k views

Is it possible to convert graphics to features in ArcGIS 10 using arcpy?

Apologies if this is easy but I cannot seem to find the answer. Is there a way to convert a graphic to feature, i.e. use the "Convert Graphics to Feature" tool on the toolbar, within arcpy? I need to ...
6
votes
2answers
1k views

Finding parcel polygon features with frontage on multiple streets

The Department of Public Works would like to know how many properties in the city have a sidewalk at both the front and back. To get at this, I'm looking for a method to find parcels with frontage on ...
6
votes
1answer
2k views

Arcobjects: Zoom to first queried feature

I'm attempting to query a feature class for all features that meet a certain criterion (in this case, the Status field is NULL). However, I'm not getting very far into the attempted method before ...
6
votes
2answers
6k views

Why are my labels overlapping in ArcGIS 10?

Please excuse what may be a very newbie question. I'm not new to GIS, but just learning ArcGIS. I have been led to believe that the standard labeling engine doesn't allow any overlap: ...
6
votes
1answer
2k views

ArcGIS: inside buffer with attributes?

How can I create buffers for polygons that a) lie only inside the polygon boundary, and b) know who their parent is? An example of where this is useful is First Nation Traditional Territories. There ...
6
votes
2answers
721 views

How can I reduce the size of my file geodatadase?

We're using file geodatabase for tax mapping. we save building photos and there are 6000 buildings. The size of this data 2GB. So loading the data takes a lot of time we are not unable to do work ...
6
votes
1answer
1k 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 ...
6
votes
1answer
493 views

How to calculate the bearing of a building (ArcGIS)

How is it possible to get the main bearing of buildings by floor plan? I want to have a building (by ID) and it's main bearing (e.g. E/90° or W/270°). The idea is to change the polygon-feature class ...
6
votes
2answers
2k views

Segment road network line shapefile into new equal length segments line shapefile

I would like to subdivide a road network for an entire state into segments of equal length. So, Highway X would be divided into 0.5 mile segments, with a record for each segment, and Highway Y would ...
6
votes
1answer
2k views

ArcFM vs ArcGIS for Water Utilities functionality

I'm trying to ascertain the difference between ArcFM (Water) and the functionality now available in ArcGIS for Water Utilities, given the templates and OOB 'stuff' ESRI have pushed forward in the last ...
6
votes
2answers
636 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 ...
6
votes
2answers
961 views

How can you insert a table record without geometry into a feature?

I am working with ArcGIS and Python and trying to append table rows into a featureclass. You cannot use append and you cannot just make a tableview of the featureclass and then try to append it in. ...
6
votes
2answers
688 views

Truncate Table tool with geoprocessing service (ArcGIS 10.1)

A model I built with ModelBuilder works as expected in Desktop yet generates numerous error messages when published as a geoprocessing (GP) service in ArcGIS Server 10.1 SP1. I've decided to start ...
6
votes
2answers
503 views

Calculating a projected distance

I am pretty new to this and I am not sure I understand all the concepts, so I might be using words wrongly or obviously not getting some details right. Here goes. We mean to do those calculations ...
6
votes
1answer
1k views

Editing tables using SQL in ArcMap

We've recently started working with ArcMap, having used MapInfo previously. I've created a shapefile in ArcCatalog and want to update some columns using SQL. In MapInfo I'd write the following command ...
6
votes
1answer
1k views

How to always enable an ArcGIS toolbar?

On ArcMap 9.3.1, is there a way to ensure that a toolbar is always enabled? In my case, I want the Standard toolbar (the one with new/open/save/print icons) to always be visible. I'd like the ...
6
votes
4answers
941 views

Consideration for a Good Silverlight based mapping application

I am starting to work on a Silverlight 4 based web mapping project using latest ArcGIS Server API. The application will involve multiple map services (for many themes) with selection, queries, and ...
6
votes
2answers
494 views

Any way to use a local background map in ArcGIS Mobile

My customer requirement is to support a MrSID image directly in ArcGIS Mobile. The details are sketchy but I think the intent is that they want a local background raster Map while the ...
6
votes
3answers
1k views

How to display row and column indexes for an image in ArcGIS?

I have been struggling with how to find the row number and column number for particular points in any raster map. My raster details: columns and rows: 720 360 cell size (0.5, 0.5) How can I ...
6
votes
2answers
3k views

Can we direct connect to PostgresSQL without ArcSDE

I have postgreSQL installed on my machine.My machine already has ArcGIS 10. No Sde installed. Can we create geodatabase in PostgreSQL with out installing ArcSDE? Jay Cummins is right. I am intended ...
6
votes
2answers
4k views

ArcGIS for Android API Example/Tutorials

I know that the ArcGIS API for Android is still in beta (I've joined the beta program), but I was curious if anyone had produced or discovered any examples/tutorials/cookbooks for the API. The Help ...
6
votes
1answer
2k views

ArcMap Field Calculator syntax (again)

I'm trying to string together a field calculator script that will populate all the records of a field at once based upon values in a number of fields. I can't even get the first part of the command ...
6
votes
1answer
648 views

Is it impossible to measure Right of Way in ArcGIS?

I'm helping bring CAD people into ArcGIS so that everyone throughout the company is on the same page and there is one database for everything. Right now, one of the biggest hurdles is making sure all ...
6
votes
2answers
1k views

Has (ESRI) TIN been superseded by Terrain Dataset?

I've had version 10 for a few months but it wasn't until today that I really tested the 3D Analyst extension. (Other then visualizing data) I already noticed a lot of changes; a number of tools have ...
6
votes
2answers
138 views

How to get max value from 3 vector files?

I'd like to know how to the get max value from 3 vector files. Originally, the vector file are interpolated images. (First, point data are interpolated into surface data by IDW method and then ...
6
votes
1answer
888 views

How to transfer data and replica information from a file geodatabase to ArcSDE?

I've got an arcgis 10.1 file geodatabase that contains a number of featureclasses and a number of one-way child replicas. Is there any tool that I can use to transfer the data and replica information ...
6
votes
2answers
3k views

Using individual bands from a multi-band image in ArcGIS 10 raster calculator

I'm trying to use individual bands from a multi-band TM image (IMG file) within the raster calculator in ArcGIS 10 (SP2/3). I can add individual bands to my MXD, but raster calculator will only use ...
6
votes
1answer
373 views

Problems creating TIN from British Columbia DEM data

Is anyone familiar with creating a TIN using ArcGIS9.3 and British Columbia DEM data (.GEN files)? I can't figure out how to get the breaklines to work during the creation of the TIN. Using ...
6
votes
2answers
774 views

Display map scale (like 1:20.000) next to ScaleBar

In my PageLayoutControl I add a ScaleBar. Additionaly I like to show the map scale/ratio (e.g. "1:20.000") next to it, but didn't find a way to achieve this with the ScaleBar. Am I missing something ...
6
votes
1answer
1k views

How to eliminate gaps in the ArcGIS union operation?

I have a layer that has nested polygons in them. I want to aggregate the polygons. I do this using the Union function. I use the "No Gaps" option when I perform the union. However, when I overlay ...
6
votes
1answer
490 views

Perpendicular lines at start and end of a line

I have some lines. I want to draw perpendicular lines at the start and end of the lines, on both sides of the lines. Can somebody help me in Python? Also, what are the variable settings of the ...
6
votes
3answers
294 views

What geometric attributes do polygons possess, and how can these be used to filter features?

Given a polygon featureclass containing many polygons of different sizes and shapes, which geometric attributes (area, perimeter, etc) could be used to filter the polygons? It's probably best to ask ...