ArcMap is the main component of the ESRI ArcGIS suite of geospatial processing programs.
22
votes
9answers
9k views
How can I connect to a PostGIS database from ArcMap 9.3 and 10.0?
How can I connect to a PostGIS database from ArcMap 9.3 or 10.0?
Ideally, I would like to be able to perform spatially enabled queries and receive the results back (e.g. spatial and non-spatial ...
15
votes
3answers
2k views
Optimal video cards for GIS programs
I recently purchased a Dell XPS-8300 (i7-2600|16 GB DDR3 RAM|64-bit Windows7) which I intend to use primarily for GIS programs. I bought a refurbished model because it was much cheaper and because I ...
15
votes
6answers
9k views
How can I define projections for multiple shape files in ArcMap 10 at once?
I have over 100 shape files that don't have .prj file and thus when I bring them into ArcMap they show the coordinate system as unknown. I know all of the shape files coordinate system is GCS WGS ...
14
votes
3answers
1k views
Port “Producing Building Shadows” Avenue code to ArcGIS 10
Whuber provided an answer here Producing building shadows? which required using Avenue code. Any idea how to make it work in Arc 10?
Thanks in advance.
14
votes
6answers
3k views
ArcMap 10.0 Python Field Calculator, Find/Replace Double Quotes
I'm trying to use the Field Calculator (ArcMap (10)) to strip out double quotes in an address field (I didn't put them in there, believe me). I've tried many incantations but am still unable to even ...
14
votes
4answers
3k views
How to produce a better inset map?
Attached is an example of a generic inset map designed in ArcMap 10. For all the wonderful things that this software can accomplish, there has to be a more sophisticated way to produce better looking ...
14
votes
9answers
6k views
What is the simplest method to add GPX files into Arcmap?
What is the smoothest route, the easiest user experience, to add gpx files to Arcmap?
(update) Basically, ideally, I'd like to interact with .gpx with the same facility as .shp, being able ...
14
votes
3answers
1k views
Producing building shadows?
How would you generate building shadows from building footprints?
I have attribute values for the heights of buildings.
So would preferably like to have the shadows' sizes vary based on that.
The best ...
13
votes
5answers
1k views
Is Hillshade option in ArcMap rubbish or is it me?
Here is a pretty pic of the raster I am using - with no effects applied - just the color ramp and historgram adjusted to show out all the relief - all be it in a very 2D way!
I have a raster layer ...
13
votes
3answers
384 views
How to count consecutive pixel values for a set of rasters?
All,
I'm using ArcGIS 10 with Spatial Analyst.
I have a set of rasters (8 in total) that only every contain a 1 or a 0 for each cell. Each raster represents a different years worth of data. For ...
13
votes
1answer
2k views
Calculating Flow Direction and Delineating Basins from Projected vs. Unprojected DEM Data
This is somewhat of a theoretical question stemming from some discussions with colleagues on the topic of implications with delineating basins with projected (e.g., Albers Equal Area) vs. unprojected ...
13
votes
1answer
647 views
How to get selected Features/Geometry from Windows Clipboard in ArcMap/C#?
I have a custom tool in ArcMap 10. The Workflow is the following:
Select Features in a Layer with the "Select Features by Rectangle" tool
Copy the Features to the Clipboard using STRG+c
Select the ...
12
votes
3answers
5k views
Layers having the same coordinate system should overlap, but they don't. What's wrong?
I put 4 different layers into my ArcMap document, but only one of them will show up on the map! I should be seeing the other 3 layers as well. When I do a Zoom to layer, I can see one layer, but I ...
11
votes
4answers
201 views
Copy, not export, a table from Arcmap
How can I copy a table, or selection of rows or columns in a table, from Arcmap without going through the pointy-clicky-typey exercise of Export table? The destination of said copy could be anything: ...
11
votes
2answers
750 views
Correcting gaps and overlapping polygon (parcels) geometry
I have come across a resource that we rely upon almost daily that is in terrible need of repair. It is not our own product and the supplier is generally not interested in fixing the problem.
We are ...
11
votes
1answer
440 views
Stop ArcMap from probing missing data sources on launch
When migrating a map from one environment to another (say, from an existing client environment to our development environment) we're often given MXD documents that represent the map. These documents ...
11
votes
1answer
396 views
How to increase the display performance of Bing basemaps in ArcMap?
I'd like to know if there are ways (within ArcGIS itself) to increase the display performance of basemaps within ArcMap. The internet connection was recently upgraded, so it is much faster than ...
10
votes
5answers
1k views
Recalculate full extent of FGDB feature class
I have a featureclass in an Esri file geodatabase. When I edit the features using the editor in ArcMap, and I delete most of my features and keeping only the ones in the middle, the zoom to layer ...
10
votes
1answer
210 views
Python increasing the filesize of my .mxd
I have a geoprocessing script that runs the following..
arcpy.AddMessage("TEST...")
Yes just one line of code.
A blank .mxd starts at 391kb for me as I run my script and save the filesize ...
10
votes
6answers
3k views
ESRI ArcMap Add-in with app.settings not recognizing app.config changes
I have an ESRI Add-in developed for ArcMap which requires a configuration file. After spending a while trying to read config values from a single App.Config file (and always getting null) I believe ...
10
votes
1answer
513 views
Programmatically determine ArcGIS Layer(*.lyr) file version
I've been through IStorage, Microsoft Compound File Spec, ArcObjects deserialization etc. trying to detect the .lyr file version.
Using ArcObjects, I can get at the Layer properties, data source, ...
10
votes
1answer
1k views
How do you view multiple tables at the same time in ArcMap 10?
My original question was:
How do you undock the tables in the ArcMap attribute window?
because that's how I thought it should work in the new ArcGIS 10 docking environment. Either it isn't ...
9
votes
3answers
800 views
Deleting large numbers of fields in ArcGIS 10
It there a good strategy for deleting a few thousand fields from the attribute table of a shapefile in ArcGIS using either ArcMap or ArcCatalog?
I know how to manually right-click and choose 'delete ...
9
votes
5answers
6k views
Is there a tool or process that will automatically snap endpoints of polylines within a given proximity (ArcMap 9.3)?
A friend of mine created a network of polylines that were all supposed to be connected. However, he just realized that many of the endpoints of the lines aren't connected, but are very close. I told ...
9
votes
6answers
4k views
How to copy attributes from one polygon layer to another?
I have a problem that I can't seem to get my head around. I have two polygon layers:
Polygon A - is a subset of polygon B with the same fields and has identical polygons to Polygon B
Polygon B - has ...
9
votes
6answers
205 views
How to create paths within a boundary?
I am looking to create movement paths of fish based on observed locations.
Since I am looking at movements of fish within rivers and lakes, simply connecting the points to form a polyline will not ...
9
votes
2answers
1k views
Shapefile to SVG with ArcMap (while retaining country attributes)
Does anybody know how to export the Natural Earth 1:110m shapefile to SVG with ArcMap while retaining the country attributes?
From SVG I'm gonna try to convert it again over to RaphaelJS to achieve ...
9
votes
4answers
888 views
comparing two DEMs
i have two Lidar las files, one is original let's say with X points. And the other is copy of the first las file but with Y points, where Y is less than X. Now, i wanted to compare how the Digital ...
9
votes
1answer
354 views
Arcmap Select by Attribute with Python
I would like the following to select (highlight) the "project" layer that intersects the grid, and then pull a record from the selected "Grid". I do not need to save the layer.
Note: Running the ...
9
votes
4answers
1k views
Is there a way to krige with barriers in ArcGIS 10?
I am trying to do interpolation in a coastal area with data points in several rivers emptying into a bay and on opposite sides of peninsulas. I have created a coastline layer to use it as a barrier ...
8
votes
3answers
1k views
How to round a column in attribute table (ArcMap)
I want to use the Field Calculator in ArcMap to round an existing column to two decimals. Currently I have a column that is 6 decimal places long and would like to simply round it down to 2 decimals.
...
8
votes
4answers
2k views
How to use ColorBrewer in ArcGIS 10?
I've been using ColorTool (based on supreme ColorBrewer) for most of my mapping needs in ArcMap. After migrating to ArcGIS 10 I discovered that it will no longer be a case.
Are there any other ...
8
votes
3answers
4k views
Coordinate System Transformation in ArcMap
For the Data Frame Properties on a map in ArcMap, what is the difference between selecting a new coordinate system and using a Transformation?
8
votes
4answers
13k views
How to split a polygon into multiple equal-width polygons in ArcMap 10?
I am adding parking spaces into a parking lot, and I need them to be exactly the same shape and not overlap each other or have spaces between. In ArcMap 9.3, there was an editing task that allowed you ...
8
votes
2answers
699 views
C# version for ArcObjects 9.3
Can I use C# 4.0 with the target framework set to .NET 3.5 to develop an extension for ArcMap 9.3? Or does it have to be C# 3.0 or earlier?
8
votes
2answers
619 views
ArcMap running scripts slower if you import Arcpy
I am finding ArcMap runs slower, if you have written a script, which imports arcpy.
You may wish to write a script that can be operated in ArcMap, through the python window, or as a standalone ...
8
votes
3answers
1k views
How can I speed up slow-loading, template-generated MXDs?
I have an ArcMap template (.mxt) file which causes .mxd documents created with it to take 5-10 minutes to load (if it ever loads). Even after stripping out all the data sources and tables, the issue ...
8
votes
1answer
479 views
What type of kernel density function does ArcMap use?
I know that there are several types of kernel density functions, such as uniform, cosine, Gaussian, etc. I was just wondering which one the "Kernel Density" functionality in ArcMap 10's Spatial ...
8
votes
3answers
6k views
How to create a button in Arcmap 10 to run a Python program?
I have a script that I want to run within ArcMap when a button in a toolbar is clicked, and so far I have only been able to make the script into a script tool. I need it to run as a command, not as a ...
8
votes
2answers
378 views
Which data format typically displays fastest? (ArcMap)
My organization is working on an application running on ArcGIS Engine. Previous versions of the application used primarily Shapefiles for displaying roads, parcels, buildings, etc. Since I was taught ...
8
votes
5answers
2k views
How to get the envelope of all the features in a feature class in Arcmap?
I would like to get a single envelope of all the features in a feature class. Is there any way to do that in ArcMap?
8
votes
2answers
292 views
How do I insert new-line character into Addin Extension Description?
Apparently the text box in Esri's Extension manager doesn't wrap text (10.0 SP2).
As a workaround, I'm trying to insert newline characters into the xml file, but haven't found anything that works. ...
8
votes
1answer
93 views
What's the ArcObjects equivalent to ArcMap's Flip button
In an ArcMap extension, I need to flip multiple lines from a selection.
The ArcMap Flip button only allow to flip one feature at a time.
What's the ArcObjects equibalent to the ArcMap's flip button?
...
8
votes
3answers
276 views
How to identify “true arcs” in Arcmap?
This is really annoying: the only good way of creating circles in ArcMap is using true arc, (compound curves) but I need to convert those to vertex (densifying) because of a compatibility problem. I ...
8
votes
3answers
791 views
How can I mosaic images in ArcMap without it affecting the colour?
This is 4 images (NE, SE, NW, SW) sections of imagery. They have some overlap between them.
Working with 1m 3-band orthoimagery.
Different parts are sometime flown at different times/sources hence ...
8
votes
2answers
888 views
Is there an automated/geoprocesing tool In ArcGIS to slice, clip, or cut polygons using polylines?
Looking for a simpler method here.
I am trying to split up / cut / slice existing polygons by using existing poly-lines. An example would be splitting a water body or land parcel at the point where a ...
7
votes
3answers
3k views
How do I change the data source for all layers in an MXD?
I have an MXD. It connects to about 30 layers in one of our SDE databases. I want to change the SDE database they connect to. Is there a way to do this without having to right-click every layer and ...
7
votes
4answers
1k views
Open source software to merge large shape files
Some background: I have 2 polygon shape files with approximately 500,000 records each. The two files are identical in terms of field structure.
Using ArcGIS 10.0 I can'nt merge these two files using ...
7
votes
7answers
7k views
Select distinct values from a single column of an attribute table (or layer)
Is there a way to select distinct values from a column in ArcMap?
I have the data in both GDB and SHP formats.
I have searched for ways to select using SQL, QueryLayers, ModelBuilder and individual ...
7
votes
2answers
618 views
Is there a way to turn off all labels in ArcMap without clicking on every layer?
I rarely bother with labels, but sometimes it would be nice to toggle them on/off. Something like the Pause Drawing button, except that it would only turn off labels (all labels in all layers...not ...
