Esri is a developer of general-purpose commercial GIS software, currently marketed under the ArcGIS name. This tag should be used for questions about the company rather than its products which will usually have separate tags.

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3
votes
2answers
612 views

Calculating the distance between points and multiple lines

I have a point shapefile of about 100 points and a polyline shapefile of about 200 lines and I am interested in finding the distance between every point and each individual polyline. My polyline ...
3
votes
4answers
1k views

What are the advantages either way between GML and ShapeFiles?

After a good start many months ago of getting into GIS through QGIS, I had to drop what I was doing and did not touch it for quite some time. I am now able to get back into it and have a need to load ...
3
votes
1answer
2k views

How to open or import .sdc files in QGIS?

I have some .SDC files i want to look at but i dont have arcview installed. is it possible? i couldnt even find a software that does sdc to shp conversion. any idea? i am using qgis 1.7.4 on both ...
3
votes
2answers
371 views

How to get ArcMap reference without launching the application

I need to get hold of ArcMap properties in order to change the data source of the layers within it. I have developed a similar utility earlier utilizing ICommand, but I was curious if I could get ...
3
votes
1answer
1k views

calculate value using maximum value from different feature class

I'm trying to get the maximum numeric value from one feature class and use that value in an expression to calculate values of a different feature class. fc2.bldg_id = max(fc1.bldg_id)+1 Can this ...
3
votes
1answer
608 views

Where is ESRI.ArcGIS.Client.Tasks.Utils.JSON documentation?

I'm using the WPF assemblies from the freely downloadable ESRI WPF/Silverlight 2.0 SDK. As I type in a "using" statement in visual studio, I can use intellisense to expand out into: using ...
2
votes
3answers
985 views

Transforming a polygon to ESRI shapefile?

First, apologies - I am a complete newb at this stuff and don't know what I don't know. I may use incorrect language. Essentially, I want to convert the shapes in a Microsoft Visio diagram into a ...
2
votes
1answer
1k views

How to reproject shapefile using ogr2ogr

I have shapefile in EPSG:2834 and I want to reproject it into EPSG:4326. I am trying to use ogr2ogr in Windows; however, I get this failure output: C:\Users\Nik\Desktop\Logan_Lines>ogr2ogr -t_srs ...
2
votes
2answers
2k views

How to I find the nearest line to a point?

I am new to building custom ArcObjects, and am looking for a custom python script for arcgis version 10 that will loop through a point shapefile to find the nearest line segment of a line shapefile ...
2
votes
2answers
2k views

ArcGIS 9.3. How do I increase Picture Marker Symbol performance?

I have a layer with 400 point features that display a picture marker symbol on the map. We expect this number to increase a great deal. Unfortunately it's already noticeably slow. This is being ...
2
votes
2answers
563 views

What issues exist with using log4net as a logging framework for ArcGIS Desktop?

While updating some ArcObjects projects to ArcGIS 10, I realized that I don't have a comprehensive logging strategy. Sometimes it's log4net. Sometimes it's System Trace/Debug. Sometimes custom ...
1
vote
1answer
249 views

What are the equivalents of ESRI products in open source for Web Mapping? [closed]

I have been using the following licensed products to publish my GIS data on web. web server: windows 2008 R2, GIS desktop: ArcGIS desktop, GIS web server: ArcGIS server, API: ArcGIS API for JS, ...
1
vote
1answer
855 views

Overlaping graphics not visible in featureLayer

I have constructed featureCollection from Json and feature collection has 44 features. I have given this feature collection as input to the Featurelayer which is showing only 32 graphics objects of ...
1
vote
2answers
3k views

Converting from British National Grid (27700) to WGS84 (4326) to Web Mercator (102100)

I'm developing a web application that uses ESRI ArcGIS to display a map using JavaScript. We are holding all our data in MS SQL Server 2008 as Easting/Northing against the British National Grid. ...
1
vote
3answers
534 views

How do I Verify that ArcInfo Workstation is Installed?

What is the best way to verify that a machine has ArcInfo Workstation installed? A code sample in VBA, VB or C# would be great!