ArcMap is the main application of ArcGIS for Desktop and the tag for that (arcgis-desktop) should normally be used in preference

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6answers
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ArcObjects - Create and Draw a Transparent Polygon

I'm trying to create a transparent Polygon in ArcMap; however, it's never transparent. Here's the code I have. // Create polygon IPolygon polygon = new PolygonClass(); // create & add ...
6
votes
2answers
556 views

How to delete last part of a string starting from the 1st non numeric character? [closed]

I'm looking for a Python or VB statement to remove the last part of a string, starting where the 1st non Numeric character appears, using the Field Calculator in ArcMap 10. Here's an example of what ...
6
votes
2answers
2k views

Checking "connectedness'' of line shapefile in ArcMap?

I inherited a line shapefile in ArcMap that is used to represent a road network. The problem is that the road network is pretty large and it is impossible for me to: Tell if the end of each line ...
6
votes
3answers
3k views

What is the target .NET Framework of ESRI ArcObjects SDK 10.2

I had ArcMap 10 Add-In project built with ArcObjects SDK for .NET 10.1 where I could not reference external COM DLL build on .NET 4.0 due to a .NET forward compatibility issue. (ArcObjects SDK 10.1 ...
6
votes
2answers
11k views

Using multiple attributes feature for symbology in ArcMap?

I am trying to make a map using US census data showing vacant housing to total housing on the same map. I came across the "multiple attributes" feature under the symbology tab and wondered if this ...
6
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3answers
11k views

Using ArcMap, how may I convert a shapefile to use decimal degrees?

I have a shapefile that currently uses meters as the measure for its coordinate system, but the map framework I wish to use expects decimal degrees. I'd like to reproject my shapefile to use decimal ...
6
votes
5answers
4k views

Volume of water in basin with reference to incremental height of DAM?

I have a DEM of my area. I did watershed analysis with Arc Hydro. I want to calculate "Volume of water in a basin with reference to incremental height of DAM" Is there any method, tool to give ...
6
votes
2answers
7k views

Interpretation of ArcGIS Kernel Density legend parameters

In ArcMap 9.3 I've used Kernel Density to map various incidents, but the resulting shapefile doesn't display any units of measurement. Is there a good, not-to-technical source that would explain in ...
6
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2answers
223 views

Automating labels with numbers

Is there a way to strip characters from a string using python? The string is varied in length... Examples of strings: Interstate 10 Auxiliary road 24 State highway 14 I am looking for just the ...
6
votes
3answers
4k views

How to efficiently read and reclassify many rasters in R

I've been tasked to create a suitability analysis of wave conditions in the Gulf of Mexico. I have 2 thousand or so raster files that are about 8 MB each (2438 columns, 1749 rows, 1km cell size). ...
6
votes
1answer
654 views

overlay county shapefiles for 2 different years

I have county-level shapefile for South Caroline in 1880 and one for 1940. I would like to overlay these two files so that they do the union and indicate the percentage of the land in 1880 that went ...
6
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2answers
264 views

Create a projection to emphasize a given direction in ArcMap?

Suppose one had a dataset (centered on a given coordinate) of lines that were very close together in terms of longitude but also had important turns/bends far separated by latitude. In order to map ...
6
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2answers
437 views

How to decide how to “stretch” raster imagery?

I have to symbolize a digital elevation model. ArcMap offers many different setting for stretching the symbology which all give widely different results. Some stretch methods symbolize the data so ...
6
votes
4answers
3k views

How to check via Arcpy if ArcMap is currently in an edit session or not?

I've created a Python add-in button that helps speed up my coworkers workflow by copying one feature class attribute to another. It uses the arcpy.UpdateCursor function to update a row in the target ...
6
votes
4answers
1k views

Code to open web browser crashes ArcMap when run from a Python add-in

I created an ArcMap Python add-in using ArcGIS 10.1 to open a webpage after the map is clicked. It opens the page but then ArcGIS crashes. import arcpy import pythonaddins import webbrowser class ...
6
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3answers
2k views

Is it possible to target an ArcMap add-in to an earlier version?

My development environment is Visual studio 2010 with ArcGIS Desktop 10.1 installed. I need my add-in to support 10.0 AND 10.1. Right now, if I try to install it on ArcMap 10.0, it fails. Is it ...
6
votes
2answers
8k views

How to add simple table of text (Excel) into layout and preserve formatting and clarity?

I am trying to put a simple table of text (excel) into my layout and preserve cell formatting including alignment, borders and text sharpness. I've tried many approaches but nothing so far is ...
6
votes
2answers
173 views

What event is fired when a feature is edited?

When the user draws a new feature (line, point, etc.) in ArcMap, there are null attributes. If the user enters values in these null fields what is the event that is fired? I want to control the ...
6
votes
3answers
2k views

How to determine elevation drop along stream with ArcGIS Desktop?

I need to calculate(estimate) hydraulic head(elevation drop) along a single river stream in order to find potential site for small hydropower plant. I have a DEM with 20m resolution and raster and ...
6
votes
2answers
499 views

Select by Attribute within a specific area (using Select by Location?)

I have a map with four layers. Two of these layers cover an entire state, and the other two focus on the area I'm actually interested in within the state. I'm trying to Select by Attribute with one ...
6
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5answers
15k views

Trouble when georeferencing CAD files in ArcMap

I've definitely got at least a couple of grey hairs while trying to convert some dwg. files to shapefiles. I've seen that this subject has been disscused a lot, but hope someone will have the ...
6
votes
1answer
798 views

Automating ArcMap 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 10 application with code like this: ...
6
votes
2answers
664 views

How to alter transparency by spatial location

I'm trying to create a map that has a all layers within a subject area having 0% transparency (full opaque), while features outside that area (defined by a polygon shapefile) having a reduced ...
6
votes
2answers
1k views

How to create regular soil sampling grids?

I need to be able to set up a soil sampling grid at regular spacings of around 50 - 100 meters. Then export the points to a GPS so I can be guided to the points. I am new to GIS and have tried to do ...
6
votes
4answers
5k views

Vertically docking Tools toolbar to left of map and right of TOC in ArcMap 10.x?

In general, I really like the docking environment in ArcGIS 10. As I was showing off ArcGIS 10 to some of my end-users, I couldn't get the toolbar docked to the left of the map and to the right of ...
6
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1answer
2k views

Where is Object Loader found in ArcMap?

I've only used the Simple Loader in ArcCatalog. The documentation also mentions an Object Loader which resides in ArcMap. Where do I find this?
6
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1answer
8k views

How to Convert labels to DWG Cad file?

I have a new task where the client is asking for a .dwg file of layer labels. My first thought would be to create an annotation of the labels and then try and use the Export to CAD tool in ArcMap. ...
6
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3answers
767 views

How to Comment Out Definition Queries

I use Definition Queries a lot in my daily GIS life, but one of the many things I've found annoying about ArcMap is the inability to comment out Definition Queries. I'd like to have this option as ...
6
votes
1answer
496 views

Why does tool take longer to run when in Python script?

I have written a python script that does some euclidean allocation. For that I use arcpy.gp.EucAllocation_sa() method. Now, my python script takes 30-40% extra time than spatial analyst euclidean ...
6
votes
3answers
3k views

Convert .mxd with embedded VBA command button to ArcMap 10

I'm trying to convert an .mxd file from an older version to ArcMap 10. The old version had two simple VBA scripts attached to toolbar buttons. I am trying to convert this .mxd to ArcMap 10. For ...
6
votes
2answers
1k views

Error 000725 message from output workspace when using Python (ArcPy) script tool?

I am having trouble running a script tool that I just created in Arc 10.1. The script runs fine in PythonWin, but when I create a script tool with it, the tool seems to not want to accept folders or ...
6
votes
1answer
2k 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
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1answer
5k views

Analyzing Flow direction in Geometric Networks in ArcGIS

I have a task in ArcGIS which involves using Geometric Network and right now I am experimenting with Set Flow direction function from Utility Network Analyst toolbar in ArcMap. I've read section Flow ...
6
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4answers
3k views

How to export aerial imagery as layers in layered PDF?

I want to show aerial imagery as layers in my pdf, so people can turn them on and off (e.g historical images). However according to ESRI images become merged when exported as a layered pdf. What is ...
6
votes
1answer
2k views

Count number of unique raster pixels in polygon using ArcMap?

I have a polygon shapefile and I want to generate a table of a count for each pixel value in each polygon. My main goal is to find out what pixel is most abundant in each polygon. I am using ArcMap ...
6
votes
3answers
641 views

How could I compare polygons with appropriate circle?

My problem is that I have a polygon shape file with 1034 records which are the Greek municipalities. My goal is to compare the shape of every record with the circle. In other words, I want to observe ...
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
1answer
523 views

Too many features selected with the ArcMap Select by Polygon tool

Here is my problem: First of all you have to know that I have ArcMap 10.1 SP1. My features are stored in Oracle 11g database in SDO_GEOMETRY format. I have imported a layer of accidents location in ...
6
votes
1answer
2k views

Identify polygon overlaps within single shapefile

Using either QGIS (1.9) or ArcInfo (9.3.1) I'm trying to identify unique overlaps of prehistoric building footprints from an archaeological site recorded within a single polygon shapefile. While the ...
6
votes
1answer
10k views

How can I edit/create new Normal.mxt template in ArcGIS 10.1?

I used to work with .mxt templates often back in version 9 and 8 but things seems to have changed since then. I realized that my new documents are loading a style file I don't want to to be loaded ...
6
votes
2answers
4k views

How do you construct a definition query to return only those features in the current month without hard coding the date?

I have a feature class containing a date field within a 9.3.1 File Geodatabase. There are "duplicate" features contained within this layer, one feature for each month over the past few months. ...
6
votes
1answer
341 views

Performance Testing ArcMap?

I want to test performance of ArcGIS Desktop 10.0 based applications. I tried GDBT but it not give me any information about request time etc. I tried also a Workflow Profiler, but this tool usually ...
6
votes
2answers
4k views

How to calculate a field in ArcGIS using Python?

I'm trying to calculate a field based on the values of others in the same layer in a calculation. I can't work out why its not working. I've even cut everything down to just be based on one field and ...
6
votes
2answers
2k views

Shortcut to copy current cursor coordinates in ArcMap

Is there a shortcut or an extension to ArcMap 10 that would allow me to quickly copy (to clipboard) the coordinates at the current map position/click? I could implement such a functionality easily ...
6
votes
1answer
312 views

Use existing property pages with new IFeatureRenderer

I am trying to override the drawing of a feature within a custom plugin data source. I believe this entails making a custom IFeatureRenderer. However, the "renderer" I'd like to design would be 99% ...
6
votes
3answers
3k views

Is it possible to change spatial reference (and reproject) feature classes in-place, using ArcMap/GeoProcessing?

We have an Esri based system in production; a complicated data model with a large number of feature classes. We need to migrate the data to another spatial reference. The feature classes have class ...
6
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1answer
73 views

Establishing Default Query layer for Google Earth in “Map to KML” export from ArcMap?

I export a lot of maps for customers who request them from our office. Recently I have seen more and more requests for us to export our GIS into the .KML or .KMZ file type so they can be viewed on ...
6
votes
2answers
156 views

Calculate walking time on existing paths (hiking) in ArcGIS

I would like to calculate the walking time on existing paths in ArcGIS (hiking trails). I have a dem of my area (30px cell size) and I consider that the slope is the main factor which affect the ...
6
votes
2answers
1k views

ArcGIS key numbering labels for every feature in one layer

I would like to use key numbering when labeling specific layer. But the tricky thing is I want to label every feature in this way. By default, key numbering is last option in Strategy order (source). ...
6
votes
2answers
2k views

calculate average slope along a line

I have a slope layer and I want to calculate the average slope along a line. This line isn't necessarily straight (e.g its a route, I would like to be able to input geographic coordinates along that ...