Tagged Questions

Use this tag ONLY for questions concerning the ArcGIS platform AS A WHOLE. Normally use a product tag such as arcgis-desktop, arcgis-server, arcgis-online, arcgis-mobile or arcgis-runtime in conjunction with a version tag such as ArcGIS-10.2, arcgis-10.1, arcgis-10.0 or arcgis-9.3.

learn more… | top users | synonyms

4
votes
2answers
167 views

Matching landbase data from different datasets

There is a layer containing all buildings from the electric landbase dataset. And a layer containing buildings from the gas landbase. The problem is, they are different and overlap each other. And I ...
1
vote
1answer
249 views

How do you add a WKT specified coordinate system to Arcgis?

I've got a WKT specified coordinate system, how do I add this to ArcGis?
2
votes
1answer
86 views

Coords not aligning

The two shp files are not aligning like they should (note the img). The layer and the two shps all have the same coords - NAD_1983_StatePlane_North_Dakota_North_FIPS_3301_Feet The surface shp came ...
6
votes
6answers
980 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 ...
8
votes
2answers
1k views

MXD vs MSD - Benchmarks?

Has anyone seen any publically available benchmarks of MSDs vs MXDs? If we ignore the fact that as part of the MSD publishing process, we run it through some validators with the map service ...
4
votes
1answer
206 views

“Add Comment” functionality in Flex Viewer

I want to add some kind of commenting functionality for users to leave notes on a map. I know that Esri deprecated the "add pop up" element in 2.3.1 because it didn't save. My current thinking is to ...
2
votes
3answers
2k views

How do you remove a custom extension?

For example: you run the DesktopExtensionCS2010 sample that comes with the SDK, having it open arcCat at startup. Now whenever I open ArcCat the extensions are there. I can uncheck them but I want to ...
3
votes
2answers
709 views

How to apply a new renderer in ArcGIS?

I try to create a new renderer for a geo feature layer in ArcGIS 10. (My project is an asp.net based webservice) There is one solution I got from a tutorial that works, but only for a ISimpleRenderer ...
2
votes
1answer
697 views

How to get the z-Value from xy-Values within a Polygon

How can I get the z-Value of given xy-Values within an IPolygon. I have an IPolygon, which is zAware. For given xy-Values I want to get the z-Value of the Polygon-Shape. What I want to do is ...
1
vote
3answers
1k views

ArcGIS Viewer for Flex supported EPSG (wkid)

I am trying to "force" ArcGIS Viewer for Flex 2.1 to retrieve WMS layer using an EPSG, i.e. 3308. I tried setting <map wkid="3308"> However the ArcGIS Viewer for flex always defaults to ...
1
vote
1answer
834 views

arcgis server 10 tif mxd problem

i am using arcgis server 10. first i opened arcmap and added a.tif file. then i saved it using File -> Save As as a ArcMap Document (*.mxd) file, let's say b.mxd. Now i open arccatalog and ...
0
votes
1answer
166 views

flex 2.3.1 Simpleinfowinwidget deprecation

I have been using the simpleinfopopup widget and recently read that it is being deprecated with 2.3.1. 1. What are the positives and negatives of the popup you are using in flex? I also have been ...
6
votes
1answer
878 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 ...
1
vote
3answers
507 views

python: Replace Variable in VB-Expression-File (.cal) [ArcGis 9.3]

I'm trying to modify a VB-Expression saved in a cal-file: dim out if [D19830701]=-9999 then out= [D19830501] else out= [D19830701] end if __esri_field_calculator_splitter__ out with this ...
1
vote
3answers
857 views

How to match Census Block Groups from different decades to show percent change?

I know for Census Tracts and Blocks there are Relationship files, but what is the best way to match Census Block Groups from different decades to compare change?
3
votes
1answer
1k views

How do I move and/or rename a file geodatabase?

I am expanding the scope of an existing file geodatabase so I would like to move it up a folder hierarchy as well as rename it. For both of these operations, is it as simple as moving the folder via ...
0
votes
1answer
111 views

Implement IEditSketch interface for custom cad tools

I want to build cad tools which will be used in municipality applications on esri.Let me tell the question.The user wants to edit on the map and does it by using IEditSketch.But i want to write a ...
1
vote
2answers
418 views

How to create a Esri Context Menu on desktop development

How can i create a context menu on ESRI Arcgis Desktop.And after creating it,how can i use it while a base command is open and active.I use C# but i can understand visual basic. Thanks for your ...
5
votes
5answers
1k 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
4answers
350 views

How can I create a universal ArcGIS 'Current tool' property?

I have a base tool class which handles 90% of my custom logic, but some tools need to set themselves as the current tool. The operations between ArcEngine's IToolbarControl and ArcDesktop's ...
1
vote
2answers
793 views

ESRI Desktop Zoom to the feature

i find a feature by using IFeatureClass.Search then i want to show the feature on the screen.How can i do that ? is there a zoom interface or else ?
12
votes
3answers
1k views

Future of spatial databases

It may be a bit off-topic. I am eager to know the industry specific importance of Spatial Databases. Is Spatial Database a very important part of any GIS system? Or will we use other technologies to ...
0
votes
1answer
878 views

What's the best way to author SLD files from ArcGIS? [duplicate]

Possible Duplicate: How to edit or convert ArcGIS 10 layer style to a SLD's file. I'd like to be able to create styled layer description (SLD) files for use with GeoServer. I'd like to ...
2
votes
3answers
943 views

Batch fix overlap errors

I have a feature class with about 250,000 contiguous polygons. ArcEditor turns up around 9,000 overlap errors when I validate the topology. I want to merge each of these errors into one of the ...
4
votes
1answer
400 views

Performance of Picture Marker Vs Character Marker (font)

We have a point data type to symbolise. The feature classes can often contain more than 6000 points up to 20000. There are about 30 different symbol catergories to these points. My question is ...
5
votes
3answers
2k views

Deleting multiple vertices at once?

I have a polygon feature class that I've converted to representations so that I can delete some vertices. I'm doing this to simply some of the shapes manually, but I'd like to speed this up by ...
3
votes
4answers
885 views

How to preserve the original direction of NHD segments when creating a route using the gp.CreateRoutes_lr tool?

I am trying to figure out how to preserve the original line direction of NHD High Resolution data that I am selecting out and creating a route with. I'm using ArcGIS 9.3.1 and this is a python script. ...
5
votes
2answers
980 views

Is there a performance hit from using a Feature Dataset?

I vaguely remember being taught not to use a Feature Dataset to make things "look neat" in the database, and that the Feature Dataset should only be used when there was some sort of spatial ...
2
votes
1answer
544 views

ArcGIS Layout View 9.3

I have a question if you are able to, upon rotating the map, is there a way to do the same with the labels? If so, how? Also, besides using the "Rotate Data Frame" to rotate the Layout View, which ...
6
votes
2answers
2k views

Place image inside of Label

In ArcView, Can I add an image to a label. Assume I have the photograph path as an attribute.
5
votes
3answers
2k views

How to add pins (graphics) to ArcGIS map in wpf?

I have a wpf app with an ArcGIS map, I used the extent property to zoom and pan to Canada (the location I want) and added the pins (images) by adding a graphics layer, see code below. currently I'm ...
0
votes
1answer
720 views

Model Builder's VBscript

I use the Model builder to run my model and I have question Sub M() ' Create the Geoprocessor object Dim gp As Object Set gp = CreateObject("esriGeoprocessing.GPDispatch.1") ' Check out any ...
2
votes
2answers
5k views

How can I export county level data in a .shp file to a text (csv) file in ArcMap?

I have a shape file created as per the answer to my previous question, which includes county level means for each county in the US. How can I now export this data in a .csv file, e.g. with just the ...
4
votes
2answers
586 views

Controlling “Fill Properties” in ArcGIS, so that that symbols are visible in the legend

I use marker fill symbols in my legend in ArcView 10, in order to identify different habitats, and frequently have to increase the separation of the symbols in order to make the map more readable. ...
7
votes
4answers
6k views

Best book for learning ArcGIS functionality?

I was wondering what the best book(s) for learning how to use most of the ArcGIS functionality were that I could use in conjunction with books on the theory of GIS since even though I can understand ...
3
votes
1answer
1k views

In the Symbology Properties of an ArcGIS layer, why is the count sometimes not shown?

Sometimes the count column does populate for me, but most times it does not seem to. I haven't been able to figure out a rhyme or reason to it. There is no definition query or anything out of the ...
2
votes
1answer
453 views

ArcSDE 10 FeatureLayer is read only, FeatureTypes property is null, not sure why

I have a WPF FeatureLayer backed by an ArcSDE feature class that I hope to use for editing. After the layer is done initializing its readOnly property is true, I think that this points to some problem ...
5
votes
3answers
642 views

matplotlib does not work in ArcGIS 10 and Eclipse (Python)

I have installed matplotlib (v. 1.0.1) which works with iPython quite good. But if I insert the same script in ArcGIS 10 or Eclipse 3.7.0 (with PyDev) I get always errors. As I consider to use ...
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 ...
4
votes
1answer
2k views

Stream Gradient - two types - using NHD high resolution data

I need to calculate slope, or stream gradient, two different ways: 1.) Main channel slope from the pour point to the head/source point along the vector stream network 2.) a local slope consisting of ...
4
votes
1answer
291 views

Select points within 2 buffers

I have 2 huge files of points (hundreds of thousands of points). I need to determine a way to loop through all the points in one file and find all the points in the second file that are only a ...
4
votes
2answers
1k views

dwg from ArcGIS to Autocad 2012

I haven't used CAD in years and am quite rusty about its features. But a client who uses CAD has been experiencing difficulty lining up *dwg files exported from ArcGIS in their CAD workspace. How can ...
1
vote
2answers
700 views

FeatureLayer Scale Settings in ArcGIS Silverlight API

Is there a way to translating between resolution and scale in the ArcGIS Silverlight API? I am dynamically adding a Feature Layer to my map which should have a Min Scale value of 10,000. The feature ...
5
votes
2answers
480 views

ArcGIS - IExtension.Startup() not launching

I have an ArcGIS 10 extension that will not launch .Startup() when ArcMap loads. I can get it to hit when I go to Customize->Extensions and un-check/re-check the extension name. Is there a setting ...
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 ...
2
votes
2answers
664 views

Does the ArcGIS Javascript API support multiple map service urls per layer?

I've called tilecache from OpenLayers in the same manner as the example below. Is it possible to do something similar with the ArcGIS WMS map layer? var urlArray = ...
3
votes
3answers
1k views

Problem with NDVI image value

I'm really happy to find this website. It is very helpful for the learners of Arcgis. Now I wanna ask a question. When i open NDVI image in ENVI, its value is still within the range (-1 to 1). But ...
2
votes
5answers
2k views

Is there any batch process to get a single band image from stacked image

Can you help me to extract a single band image from stacked multiband image. Totally, 260 image has been stacked. When I do to this, it will take a long time. So I'd like to know there is any batch ...
6
votes
2answers
2k views

Upgrade guidelines for ArcGIS 9 to 10?

We have a copy of ArcGIS 10 that we are preparing to use to upgrade our existing ArcGIS 9.3 installation. Should I uninstall ArcGIS 9.3 first? Or do I install ArcGIS 10 over it? Please let me know if ...
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 ...