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14
votes
2answers
7k views

OpenLayers alternatives supporting more client-side features [closed]

I am considering different architectures for a system that will ideally use client-side rendering for point features and must be plugin-free. I have been using this application developed in response ...
11
votes
1answer
797 views

Integrating Whitebox GAT (free and open) with ArcMap UI? [closed]

I wrote a number of ArcGIS VBA automations in grad school; however, they're fully dependent on the ArcGIS Spatial Analyst extension, which is not only closed-source but expensive to the point of ...
5
votes
2answers
2k views

How/Where can I find vector data for building footprints in Texas?

I've done a lot of research on this topic over the past 8 or 9 months, but I'm a GIS newb, so I may have overlooked some possibilities for finding/extracting this data. A short list of resources I ...
6
votes
1answer
3k views

Is there a method to create offline geocoder using OSM xml data?

I am trying to develop an offline android map that makes use of OSM map tiles of 15 zoom level, For this purpose i used an open source library : Osmdroid Now, i m looking into the possibility of ...
14
votes
2answers
4k views

How can I make a polyline wrap around the world?

I am using leaflet maps to create a representation of a round-the-world challenge. I would like to add a polyline which heads east from tokyo and then appears west of south america on the map - but ...
16
votes
2answers
8k views

Bulk lookup of address census tract and block

Is there a free or cheap way to code a large number of addresses and return or append the census tract and block data? There are a number of ways to geocode an address and get the lat long, but I ...
5
votes
3answers
796 views

Selecting polygons by number of sides

I'm using ArcGIS 10 to build some figures for a journal article. One is a figure of an unstructured finite element mesh of triangles spanning the western Atlantic Ocean. I exported this mesh from ...
1
vote
2answers
169 views

Can a USGS 6 inch orthoimage be given a higher resolution, like 1 foot, to improve GeoServer processing time?

The USGS orthoimage is a 6 inch resolution quadrangle that is loaded into GeoServer as a WorldImage. GeoServer has an extremely hard time processing this compared with a 1 foot resolution quadrangle. ...
3
votes
2answers
3k views

Grouping points into user-provided number of clusters using ArcGIS for Desktop?

I am looking for a process in ArcGIS that takes a point feature class and groups the points into a user-provided number of clusters.
8
votes
3answers
5k views

GeoServer OpenLayers preview always points to localhost:8080

In GeoServer, when I go to Layer Preview/OpenLayers, I get a web page, but the HTML points to localhost:8080 (instead of a relative path) for its WMS requests, so I can only see previews on the server ...
6
votes
3answers
3k views

Reconcile Versioned Geodatabase with only DEFAULT version?

Follow up to this: Spatial Database Connection String I am trying to reconcile a versioned geodatabase that has only one version, DEFAULT. I am following the steps from the ESRI documentation: A ...
11
votes
2answers
2k views

How to Create Two Color Lines in QGIS?

I've been working on making mountain biking and hiking maps using Illustrator and I am now trying to move to QGIS so there's real GIS data powering the maps, making updating/scaling them easier than ...
3
votes
1answer
681 views

Spatial Database Connection String

From MS Access, I'd like to create a link to the attribute table of an SDE feature class in a spatial database. For example, I have the following connection string which works for an OLE DB ...
4
votes
2answers
2k views

Generating very simple slippy map tiles

I have an app that uses slippy maps. The tiles I'm currently using contain a lot of information that is superfluous to my users. I've been investigating generating replacement map tiles that contain ...
3
votes
1answer
2k views

ArcPy not running on standard console?

I know this is a newbie ArcPy question, but here is the deal: While I'm inside ArcMap 10, the Python window gives me all output correctly, like this: >>> arcpy.env.workspace = r"C:\uber.gdb"...
5
votes
4answers
6k views

GIS applications used in Civil Engineering & sources for acquiring more GIS knowledge

I have finished my masters in GIS in August 2009. Since then I have been working full time. My background is in Civil engineering. I do not know many people from similar background getting into this ...
4
votes
4answers
5k views

Using a list of geographic locations, and determining the X closest locations to a user-defined location

I've got a list of geographical locations in an Excel spreadsheet. I want users to be able to search for a user-defined location, and then have the X number of closest locations from the list pulled ...
4
votes
2answers
2k views

Adding data from a SQL Server Spatial database to ArcMap or ArcEngine application with ArcObjects for better performance

I have an ArcSDE geodatabase stored in MS SQL Server 2008 R2. The datasets in this geodatabase range from 10 record to 7 million records and there is a mixture of tables and spatial datasets (SQL ...
15
votes
5answers
5k views

Using Hillshade option in ArcMap?

Here is a pretty pic of the raster I am using - with no effects applied - just the color ramp and histogram adjusted to show out all the relief - albeit in a very 2D way! I have a raster layer that I ...
3
votes
1answer
275 views

Repaint seems not working when called multiple times from the same method

I have the following scenario: displaySelectedFeatures(IDs); then some code... and then: displaySelectedFeatures(features); Display selected features looks like this: public void ...
26
votes
5answers
7k views

Using ArcGIS functionality in Python without running ArcMap (e.g. separate editor/environment)?

I'm trying to take the next step in programming ArcGIS with Python and see if its actually possible to run my script/code without having to load ArcMap and paste them into the Python window. I imagine ...
2
votes
1answer
781 views

ArcMap v10 - Polygon Layer - Keeping one polygon above another

I have a shapefile with polygons of differing colors. I am using a white hash pattern to represent partial ownership. In short - Polygon #1 is Green and Polygon #2 is a White Hash pattern. Problem:...
2
votes
1answer
2k views

How to track logged in user in geoserver?

Is there any way I can track the logged in users in geoserver(somewhere in log file). I have same users in geoserver and tomcat-realm.As I can see what URI are requested, IP address URI requested from,...
2
votes
3answers
8k views

Remove Holes Existing Within a Single Polygon in ArcGIS 10

I have a shapefile that consists of a single polygon. I have gaps within the polygon that need to be eliminated. The resultant dataset shoulde be a single, solid polygon. I have tried implementing ...
6
votes
3answers
4k views

Is there ArcGIS Symbol Library PDF for ArcGIS Desktop i.e. index for symbols/line weights?

ESRI has an old set of PDFs from 2004 showing all the symbols available in ArcGIS at the time and their names. I don't need it often but if I'm searching for a certain symbol and don't know its name ...
3
votes
1answer
1k views

overlap two GeoTiffs to fill missing information (transparency)

I have several hundered geotiff files. Some of them (almost all of them) have black areas (irregular) on the edges. However, these black areas are covered by some other file in the file set. I read ...
1
vote
0answers
325 views

Table not found ConvertFeatureClass how to project?

I get a Table [Streets] not found when I try to convert a shapefile to a geodatabase. I'm thinking I'll try setting the spatial reference like in this post, http://forums.esri.com/Thread.asp?c=159&...
4
votes
2answers
2k views

ImageMagick's convert program changes PNG file format so that color/alpha info doesn't survive GDAL

It appears that ImageMagick's convert program changes something in my PNG file that causes GDAL processing to mess up the color and/or transparency bands. My original PNG file gets processed ...
11
votes
2answers
1k views

Web-mapping with editing capabilities? [closed]

I'm embarking on a new web map project that seeks to display simple geometries (lines, points, polygons) and rasters/basemaps. Ideally, the map will also allow authorized users to add/remove/edit ...
3
votes
2answers
903 views

ArcGIS Server and SQL Spatial. Examples?

In-house we have an ArcGIS Server license that I am somewhat familiar with, and a license for SQL Server. I'm looking for some examples of existing web maps that use ArcGIS Server for the display of ...
4
votes
1answer
1k views

WFS Query Failing when using Logical OR

I'm having some difficulty when using a Logical OR in a WFS query to get multiple postcodes. This code works fine when it's only 1 PropertyIsEqualTo filter, but when I wrap the OR around more than one ...
0
votes
1answer
501 views

How do I open mxd backup file?

How do I open an mxdbk file? My ArcMap froze and saved the mxdbk files. I would like to know how to open them up rather having to re-do the work.
6
votes
3answers
355 views

What is the more accepted practice for defining tolerance values?

The Context Due to restrictions, I have an application that requires line features to be selected if they are within a user defined tolerance from a points data set. I can not currently use any third ...
7
votes
1answer
6k views

Setting Output Parameter in ArcPy for Server Tool

I have published the following script tool (which is wrapped in a model, i.e. just the script tool and all of its parameters) to ArcGIS Server 10. The GP service succeeds when run, but I cannot ...
5
votes
2answers
243 views

Vectorize cell boundaries in GRASS

I need to vectorize the cell boundaries of a raster map and I have forgotten how to do this. For instance, if I have a raster map of a region that is just map=1 with a cell size of 500m, I would ...
1
vote
4answers
2k views

Edit Attributes in User Form

I am trying to convert my old ArcGIS 9.3 (VBA) code to ArcGIS 10 using Visual Basic 2008 Express Edition. So far I have sucessfully created an pop-up window that displays the attributes of a selected ...
13
votes
3answers
39k views

Create a new layer from overlap between two layers?

I'm new to desktop GIS, and will try to ask while lacking the proper terms from the GIS lingo: If QGIS was like Photoshop I would like to make a selection from one layer, and then match that ...
1
vote
1answer
449 views

WFS GetFeature: Is DWithin selection equal to an Intersect selection using a circle?

I can't find any WFS implementations that support circle geometries for selection. There is the DWithin spatial selection but I can't find the specification of what is actually does. Does it select ...
12
votes
4answers
598 views

Mirror of Michigan State University's Python geoprocessing course materials

Been learning geoprocessing with Python using MSU's GEOG 825 ( python geoprocessing ) course. Unfortunately the link is dead now. I know this is a long shot but does anybody have a copy of the ...
5
votes
2answers
2k views

Where are imported Mosaic Dataset images stored on ArcSDE server?

I am trying to learn more about Mosaic Datasets and specifically how they interact with ArcSDE (SQL Server 2008). I read in How raster data is stored in a geodatabase that "...In the case of the ...
10
votes
5answers
3k views

Looking for USDA plant hardiness zone shapefile

Given that this is a USDA resource I really thought that it would be available online somewhere, but for the life of me I cannot find a shapefile for the USDA plant hardiness zones anywhere. Does ...
2
votes
1answer
2k views

Quantum GIS Reproject a projected coordinate system with rotation

I have two shapefiles:- one in WGS84 Z30S and one in a custom, system based, projection. I need to convert the custom projection into WGS84 Z30S. I have a set of parameters including a shift in X and ...
0
votes
1answer
862 views

FeatureClassNameClass.Open() Error, any ideas?

This code works fine on my Windows 7 64 bit machine, but fails on the target machine, Windows Server Standard SP2 64 bit. public List<string> GetShapeFileFieldNames(string shapeFileDirectory, ...
4
votes
4answers
37k views

How to open XML file in ArcGis 10?

I have a XML file that would like to use as a base layer in ArcGIS 10. What are the steps that I need to follow in order to open that file in ArcGIS 10? The XML file does not have coordinates. When ...
4
votes
3answers
4k views

Visual Studio 2010 templates for ArcGIS missing

It seems that I do not have ArcGIS templates in VS 2010 templates folder - \Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\ProjectTemplates\CSharp\ and as a result ArcGIS ...
3
votes
2answers
2k views

ArcGIS 10 MapControls in MS Access, can it be done?

In the past (9.3 ArcGIS) I was able to develop forms in MS Access where I could drop a MapControl on and have GIS functionality all within Access as long as ArcMap was installed on the same machine. ...
1
vote
2answers
1k views

Where can i find oceanic borders defined as a set of lat/long points?

I'm trying to write some code that, given a latitude and longitude, will report which ocean (if any) this point is in. Is there a public resource available that defines the borders of the oceans as a ...
1
vote
1answer
718 views

How to correctly use cursor.execute() with PostGIS?

I do not understand how the operator works some times... Here is an example that works, "SELECT ST_Distance(ST_GeomFromText('POINT(-3.16496271127842 55.9262620593642)'),ST_GeomFromWKB(a.geometry)),...
1
vote
0answers
231 views

How to make sure OnSketchFinished always works?

In my VBA application I have a listener set up that listens for OnSketchFinished, when the polygon is created a message box appears and then a userform. My problem is that the listener will work 90% ...
2
votes
2answers
429 views

ArcObjects SDK Server toolbox

Seems to be a recurring nightmare here, but it seems ESRI UK gave us a bum steer. You do not need to install ArcObjects .NET SDK (and, of course, the obligatory VS IDE), but you do need to have an ...

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