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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8
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2answers
359 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
4answers
14k views

Add Google Basemap to ArcGIS

Has anyone found a way to add Google Earth imagery to ArcMap 10? Currently, to view dynamic imagery in Arc I select File > Add Data > Add Basemap > Bing Maps Aerial. I'm convinced that Google Earth ...
8
votes
3answers
2k views

ArcObjects (ArcGIS for Desktop and C#): How to cast between the ArcMap COM UI and my custom .Net UserControl objects?

I'm creating a utility to run in ArcGIS for Desktop using ArcObjects (9.3.1 SDK) and C#.Net. My prototype involves a toolbar with two comboboxes and a tool. The first combo selects a layer in the TOC, ...
8
votes
1answer
193 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
4answers
701 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 ...
7
votes
4answers
551 views

Performing a reverse clip in ArcMap?

Is there a way to perform a 'reverse' of the clip function in ArcMap, I'm not exactly sure how to explain this so here's a diagram:
7
votes
3answers
400 views

How to extract the number of vertices in each polygon?

I have ArcGIS Desktop 10.2 and my challenge is how to extract the of number vertices in each polygon for all features like this: I have many parcels in my feature class and I want to extract ...
7
votes
4answers
2k 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
2answers
862 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 ...
7
votes
5answers
5k views

Why won't ArcMap 10 snap?

I'm really confused by this. ArcMap will seeminly randomly decide to not allow snapping when editing. Sometimes its only for certain features, sometimes for only parts of the same feature (e.g. one ...
7
votes
5answers
9k views

I am struggling to convert .dwg to .shp, ideas?

Any ideas as to how can I convert dwg to shp? I tried Kosmo and gvSIG. gvSIG kind of worked but it seems like I lost information.. in addition everything was converted into lines, no polygons. I can ...
7
votes
3answers
2k views

Label Expressions to replace null values with text not in feature class

I need to label some hydrants (points) - some of these belong to the fire brigade and have a number assigned to them, some do not and thus do not have a number. I would like to write an expression ...
7
votes
1answer
3k views

How to choose selectable layers in ArcMap 10?

Maybe I'm missing something, but I cannot figure out how to toggle selectable layers in ArcMap 10. In 9.3, I remember being able to choose from a list which layers I wanted to be able to select ...
7
votes
2answers
2k views

How to reverse geocode with ArcMap?

What steps to I have to take in ArcMap (ArcEditor) to input a lat / long and return nearest address? I found the Reverse Geocode tool but I can't figure out what to put in the "Input Features" and ...
7
votes
4answers
5k views

How can I export raster data from Arcmap to an R *.grd file format?

I want to work with raster data in R, but I have problems exporting my raster dataset from ArcMap. By "export data"/GRID I get a file with an *.aux extension. What I need is *.grd. Can anybody help ...
7
votes
2answers
445 views

How to determine projection parameters when customizing a projection

I am trying to customize an Albers and a Hotine Oblique Mercator (HOM) projection to minimuze distortion in the region I am analyzing. The region extends from about 51 to 62 degrees latitude, covering ...
7
votes
2answers
2k views

Cartographic techniques for symbolizing routing data

Some common problems with displaying routes created from street data, such as bus routes, include: Routes may overlap themselves, such as when a route takes the same road in opposite directions ...
7
votes
2answers
310 views

Can I have the “store relative pathnames to data sources” box checked as the default?

Is there a way to have the "store relative pathnames to data sources" box checked as the default rather than always having to go into the document properties and check the box? ArcMap 10.0.
7
votes
3answers
425 views

Method to generate points in any projection

I am writing an application in ArcMap to generate a grid of points. These points have a very defined layout and I have worked out an algorithm that works great under a projected coordinate system. ...
7
votes
1answer
800 views

How can I auto-increment output file-names in Toolbox ESRI ArcMap 10

I have a simple tool which outputs a file. I would like the filename to be a number which increments every time the tool is run. How would I go about implementing this using the toolbox in ESRI ...
7
votes
2answers
621 views

Locked/Uneditable Map Document

I am wondering if its possible to create a locked map document? I have a document that multiple users will be accessing and as a way of preventing them from making any accidental errors, am wondering ...
7
votes
1answer
412 views

Difference between “Heat Map Analysis” and “Hot Spot Analysis”

what is the difference between "Heat Map Analysis" and "Hot Spot Analysis"? are we using hot spot analysis to get the required relations between features and then use the results as an input for heat ...
7
votes
1answer
357 views

Is there a way to show a layers feature count in the TOC?

I'm using ArcGIS 10. In ArcMap's table of contents (TOC), is there a way to have the "Layer Name" automatically show a count of the total number of features in each layer? I was thinking the TOC ...
7
votes
1answer
593 views

Label legend interval with number of elements - ArcMap 10

I have made a series of choropleth maps in ArcMap 10. When I classify the interval the bottom of the dialogue tells how many elements are in the class. Is it possible to have this number ...
7
votes
3answers
1k views

Use buffer tool to draw different radii?

I am new to Arcmap-Arceditor 10 and could really use your help. I have been mapping ethanol plants (which utilize corn to produce ethanol) and corn production amounts in the counties of the USA. ...
7
votes
1answer
133 views

Merging Issues doubling up

I have two shapefiles with some of the parcels (surveying) overlapping each other. How do you get those overlapping parcels from doubling up? Is there a way you can have it dissolved or union etc... ...
7
votes
4answers
134 views

How do you programmatically read the coordinate display format in ArcMap?

I'm looking for a property (or properties) that will give me the display units and the formatting. I assume I need IMap.DistanceUnits but I can't find the formatting. Is this exposed? I am also ...
7
votes
1answer
564 views

Why does ArcGIS copy & paste layer in a TOC sometimes change the Data Source of the layer?

I run into this situation all the time; I often just copy layers and groups of layers in the TOC of one Map Document and paste then into the TOC of another Map Document. For the most part this ...
7
votes
1answer
1k views

Edit End Points in Polyline (Python/ArcMap10)

I am trying to make a polyline endpoint snapping tool in python. using a Search Cursor I read in the values to an array of line objects (which contain the feature id of the line, and two "EndPoint" ...
7
votes
2answers
2k views

Select by Attributes based on SQL wildcard range

I want to select all the records from a geodatabase table where the string starts with a letter, so I tried SELECT * FROM tbl_names WHERE "name" LIKE '[A-Z]%' This returned no records. After some ...
7
votes
1answer
848 views

Coordinate grid display on a rotated map

I have a series of maps that require me to rotate my data frame within my layout screen (north "rarely" points up in these maps). I ONLY want to show east coordinates on the top/bottom and ONLY north ...
7
votes
1answer
924 views

How do I get the current Undo and Redo item in ArcMap Operation Stack?

I just posted this on ESRI forum and found this link so I am trying it here too: Research ArcGIS Resource Center document - How to work with the operation stack: ...
7
votes
1answer
555 views

How can I change the class of one pixel in a classified image?

I have a classified image (I did it in ERDAS) with six categories. There are some misclassified pixels (especially high-density urban category). Is there any way that I can choose one pixel and then ...
7
votes
3answers
211 views

How to improve positioning of images taken with GPS and Gyro info?

I'm sort of 'recreating' google street view with MIT right now. We have a car with a camera on top and we're driving at 10mph down a road. As we drive we're shooting pictures at 30fps and each photo ...
7
votes
1answer
985 views

automated georeferencing

I am attempting to fully automate the process of georeferencing a load of .png files - i have xml file containing the co-ordinates - but how can i use them? Does anyone have any advice?
7
votes
1answer
590 views

In ESRI ArcMap, how do I refer to NaN or ±∞ (special floating point values) in definition queries?

I have by chance discovered how ESRI ArcMap displays special floating point values to the user. +∞ (positive infinity) is displayed as 1.#INF –∞ (negative infinity) would supposedly be displayed as ...
7
votes
1answer
1k views

Permanently Change ArcMap's “Maximum Sample Size” Setting?

I've lately been working on feature classes with a huge number of polygons (e.g. all of the Census blocks within the Chicago metro area). I've been needing to symbolize them by quantities a fair ...
6
votes
1answer
351 views

ArcMap redraws every layer when changing just one

I have 10 layers or so loaded in a data frame in ArcMap 10.2. Some are complex such as NHD hydrology and Tiger roads. Why does ArcMap redraw all layers when I change the symbology of just one? Is ...
6
votes
4answers
1k views

Where to find .mxd examples for ArcGIS 10

I'm beginner of ArcGIS . I'm trying to learn how to use ArcMap. I would like to find some example MXD files for ArcMap, but couldn't find anything googling. Does anyone have any idea where can i find ...
6
votes
5answers
2k views

Running ARCgis 9.3.1 and 10.0 on the same machine

I have the full installation Media for 10 (9.3/SQL05 already loaded). And two editor licenses (one loaded and a new license file). What manner of wizardry is involved in getting around the conflict ...
6
votes
3answers
819 views

How to digitize a raster automatically

I have a raster (.sid extension) file. I want to digitize roads automatically in ArcMap, QGIS..etc. Digitizing by hand would be too time consuming. How can i do this ? Thanks
6
votes
3answers
3k views

Arcmap: attach python script to a button?

In ArcMap 9.x how can I attach a python script to a button?
6
votes
6answers
734 views

Finding shortest path while avoiding polygon features

I'm developing an extension to ArcMap where I have a set of static, concave polygon features and I'm trying to find the shortest path between 2 points without crossing any of the polygons. Is there ...
6
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 ...
6
votes
2answers
2k views

How to create a checkbox parameter in a ArcGIS custom Python tool?

I am working on creating an ArcGIS tool from a Python script I am writing. I am wondering if it is possible to have a checkbox parameter. Basically what I want to do is have a parameter where the ...
6
votes
2answers
589 views

How to refresh the ArcMap display using ArcPy?

Was trying to replicate a RePast Agent Analyst simulation using just Python and arcpy. The script was about urban expansion. The script just changes the values of a column in a shape file. ArcMap's ...
6
votes
3answers
2k 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 ...
6
votes
3answers
753 views

How can you find ArcGIS version programatically?

Is there a way using ArcObjects.net to find out what version of ArcGIS is installed on a machine (i.e. 9.3., 10.0, 10.1)?
6
votes
1answer
437 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
votes
3answers
460 views

How stable is WPF in Arcmap?

I'm tempted to propose porting some windows forms based arcmap tools to WPF. Before doing that though, I'd like to hear from others who have done something similar, and what sorts of issues were ...