2
votes
1answer
348 views

How to translate coordinates on the earth

I am trying to translate coordinates. I have a set of coordinates for city A which I need to map to city B, given a point P1 in city A maps to P2 in city B. How do I do this? This problem would be ...
3
votes
1answer
257 views

Can layer names in Layered PDF exported from ArcGIS for Desktop be overridden?

Does anyone know how to override the layer names output by ArcGIS, where the output layer is called Other, or . These usually refer to things like the map border, labels and the background.
0
votes
1answer
322 views

python calling def __init__(self, uri=None): method

I am working on python plugins for QGIS. I have my QueryBuilder.py and postgis.py files. I connected it to database using Connection class and under def __init__(self, uri=None) in postgis.py file. I ...
1
vote
2answers
602 views

NA values in dbf when exporting shapefile from R with writeOGR?

I´m writing an esri shapefile from R (2.14.1) on windows, using writeOGR in the rgdal package, in the resulting dbf file, NA values in the spatialpointdataframe (in numeric columns) are not translated ...
1
vote
1answer
518 views

How to save Bookmarks between sessions using the JS API

The ArcGIS Server JavaScript API contains a Bookmark dijit which allows users to add and delete bookmarks. These are not persisted between sessions, but are reset each time the page refreshes. Has ...
1
vote
2answers
1k views

Python script has execution error first time through on a JoinField, but not the second time

I have some Python code that takes a shapefile, creates its centroids via FeatureToPoint, joins an auxillary field from the shapefile to the centroid via JoinField, and then goes on to do some more ...
2
votes
4answers
621 views

Are there ARCIMS still around or phased out?

My understanding is there are few companies still using ARCIMS and am wondering if it is still alive or phased out ? THanks
2
votes
5answers
4k views

What causes this unexpectedly poor GeoServer/PostGIS/OpenLayers performance?

I am having a tough time making this map run smoothly (play around with it for a bit, you'll see). I have taken a few tips from OSGeo's Making Maps Fast document, but I think there's another issue ...
1
vote
2answers
11k views

Openlayers How would i get a hover label over my polygon

make a hover/mouseover label for a polygon in Openlayers? I made a map with draw, delete and drag polygon function. Now I need to make a hover mouseover for this. How to get a hover label for ...
0
votes
2answers
5k views

How to delete polygon in Openlayers

I would like to delete my polygon in Openlayers after i have drawn it. <html xmlns="http://www.w3.org/1999/xhtml"> <head> <style type="text/css"> html, body, #map { ...
1
vote
1answer
1k views

How to create a single depth contour line from a bathymetric raster?

I have bathymetric data (raster form) that I'm trying to tease out specific depth contours. For example, I would like to "create" the 150-m depth contour from the bathymetric data in the Gulf of ...
2
votes
1answer
168 views

Custom JSONDecoder for ID Task Result, ESRI Flex API

The problem: When the ESRI API decodes a response from the identify task, there is a few second lock in the Flash application which is due to the decoding of the results. I have used chunk parsing ...
14
votes
3answers
2k views

Porting Avenue code for Producing Building Shadows to ArcPy/Python for ArcGIS Desktop?

Whuber provided an answer at Producing building shadows? which required using Avenue code. Any idea how to make it work in ArcGIS Desktop 10?
0
votes
1answer
98 views

Change Extents on Overviewmap

Does anyone know how to change the extents on the overview map in Flex Viewer 2.5? I have a basemap of a single country and my overview map still wants to show me the world. Thanks
2
votes
2answers
396 views

gdal_polygonize error with Arc/Info binary grid raster file

I am trying to convert an Arc/Info binary grid raster file to a shapefile using the gdal_polygonize.py utility. But the operation fails with the following error Warning 1: Unsupported Arc/Info ...
9
votes
4answers
5k views

How to Batch Clip in ArcGIS Desktop 10 using Python/ArcPy?

I've come across a few similar questions for older versions of ArcGIS, but haven't found a suitable answer for ArcGIS 10. I have two polygon shapefiles that cover a large area (e.g. an entire ...
1
vote
2answers
300 views

Html and Flex Viewer 2.5

I was wondering if it is possible to customize the interface of the flex viewer with html using the index.html file that is located in the viewer? anybody know? Thanks, Jay
1
vote
1answer
337 views

Highlighting and exporting raster layer based on vector polygon

I am a Quantum GIS beginner. I have a set of adjacent polygons in a vector layer that is overlaid on a raster layer of OS StreetView OpenData. I want to be able to select each of these polygons and ...
1
vote
2answers
5k views

How to install PostGIS shp2pgsql-gui on CentOS 6?

I am installing PostGIS 1.5.3 on a CentOS 6.2 virtual machine to get started web mapping with Geoserver.I have successfully installed PostgreSQL 9.1, PostGIS 1.5.3 and PgAdminIII on the system. ...
2
votes
1answer
3k views

How to create a list and append objects to it through a loop

Still struggling with this script. Now I need to create an arpy.AddMessage that says "Projected: with the list of feature classes that were projected in the loop" i.e. Projected: filename, ...
4
votes
1answer
4k views

Transforming geometry coordinates from SRID 4326 to SRID 3011

In SQLServer geometry field, I want to change the coordinates of geometry from one spatial reference system to another spatial reference system (from SRID 4326 to SRID 3011) by using ST_Transform. But ...
1
vote
1answer
1k views

ArcGIS 10 Locators: TA_Address_NA_10 vs TA_Streets_US_10 — which to use?

I see there are two locators on tasks.arcgisonline.com, TA_Address_NA_10 vs TA_Streets_US_10. I'm having difficulty understanding the difference between the two. From browsing the properties it seems ...
3
votes
2answers
796 views

How to use pgRouting's dijkstra_sp_delta_directed with WHERE clause?

Right now I am using PgRouting for vehicle routing and I have problem with Dijkstra shortest path. My query is: SELECT * FROM shortest_path('SELECT gid AS id, source::int4 AS source, ...
2
votes
2answers
493 views

Setting up drawing order for point shapefile

I am having a difficulty with creating polyline feature from a point dataset that represents a boundary. This dataset consists of 5084 points which are randomly ordered. I have no Network Analyst ...
2
votes
1answer
468 views

Possible to use Google Earth to generate “skyline” planes?

I was really interested to notice that my city appears to have gotten the 3D Buildings treatment on Google Earth. I am trying to figure out how I might these 3D buildings to generate 'skylines' for a ...
4
votes
1answer
418 views

ArcObjects: How to get the midpoint of a set of polylines?

How can I find the midpoint (along the curve) of a set of polylines using ArcObjects?
1
vote
1answer
523 views

Defining multiple projections inside a file gdb [error 000289 failed to alter spatial reference]

I am importing multiple shapefiles into a filegdb in ArcGIS 10, and using the following code to define the projection of the feature once imported, to the .prj of the original .shp file. Here is my ...
3
votes
2answers
10k views

How I get SRID from Geometry field

what is the function for getting SRID from Geometry field. I have inserted a shapefile into SQLServer table with Geometry field defined. I know the projection of shapefile is Swreff99_1800 ...
2
votes
2answers
2k views

WFS Layer does not refresh or give new data when map moved in openlayers

I am trying to add a WFS Layer with a BBOX strategy. When I change the extent I want GeoServer to return only the features in that extent. Here is the code I am using to add layer. wfs = new ...
5
votes
2answers
220 views

Location data for Nuclear Power stations in France

As it says on the title, does anyone know a place I can look at and/or download location data for Nuclear power installations in France? I believe it is well known data, but I cannot find it ...
2
votes
3answers
3k views

Openlayers get coordinates from polygon

please could someone help me and bless me with an example of how to get coordinates from a polygon in OpenLayers?
2
votes
2answers
425 views

Mapinfo, (or other?) Interpolation of lat/long and finding minimum in a region

I have a series of lat/long coordinates, each with a corresponding Z value. Each coordinate is spaced roughly 40km apart (this is stored as a MapInfo table of points). What I'd like to do is to ...
3
votes
1answer
247 views

MapServer SOS (Sensor Observation Service) Configuration

I tried to set up MapServer SOS but I faced a problem: the SOS doesn't return anything. You may see the map file I have created below: MAP NAME "SOS_DEMO" STATUS ON SIZE 400 300 ...
1
vote
1answer
4k views

Openlayers get coordinates of a circle vector after draw

I have made a openlayers map. I have made two features on the map. Navigate DRAW POLYGON I have made 40 sides to my polygon which turns out to be a circle. After I have drawn my circle I want to ...
1
vote
1answer
530 views

Administrative level and coordinates from Yahoo GeoPlanet WOEID

The Yahoo GeoPlanet data can be freely downloaded from: http://developer.yahoo.com/geo/geoplanet/data/. If I understand it correctly, each WOEID corresponds to a unique location on earth, with ...
4
votes
2answers
380 views

Why is the Button code on the ArcGIS.com sample viewers so complicated?

I'm trying to modify one of the ArcGIS.com sample maps to add my own buttons, and I'm surprised at how complicated the HTML page is. Here is the code for the simple "Details" button at the top left ...
1
vote
1answer
386 views

ODBC connection to ArcSDE table shows old version in ArcMap?

I use an ODBC connection to an ArcSDE table to return a current list of features for reporting purposes. The connection is pointed at a Microsoft SQL ArcSDE server and the connection info matches ...
1
vote
0answers
107 views

Issue with WebADF Application on Windows Server 2008

I am trying to resolve this issue with a custom WebADF application that I have migrated from 931 to 10. The appl works fine in Development environment but when deployed on the server, it is throwing ...
9
votes
3answers
882 views

Creating raster by randomly choosing cell value from multiple overlapping rasters?

I'm using ArcGIS Desktop 10 with its Spatial Analyst extension. How do I combine multiple rasters into one, always choosing randomly from the values of overlapping cells? I have an image that may ...
2
votes
2answers
512 views

Understanding How ArcGIS Displays Non Spatial Data Created in Microsoft Access

I am working on getting American Community Survey(ACS) data into SDE table format. I have managed to import all the text files downloaded from ACS into excel and then imported to Access for further ...
3
votes
3answers
464 views

Enable Add-In Button if One Feature is Selected from Specific Layer

I am trying to enable an add-in button on my toolbar if only one feature is selected from a specifc Layer. For example, when ArMap loads, the button should be disabled. If the user selects one feature ...
5
votes
3answers
10k views

How to convert MultiLinestring to Linestring?

I have a multiline string and want to convert it to a linestring in order to use some functions that only work with linestrings. I used ST_Dump() and got a collection of my geometries. If I merge them ...
2
votes
1answer
186 views

ArcMap 10 Commands

Is there an updated ArcMap Commands site for version 10? If so, where are they located? I could not find it here: ArcObjects SDK 10 Microsoft .NET Framework Thanks
3
votes
2answers
266 views

Finding script location… dynamically

Should be a simple question... but those can be the hardest. I have created a script that uses ESRI's arcpy site package and it functions properly in a stand-alone environment. I am now trying to ...
10
votes
2answers
3k views

Intersecting a raster with a polygon using PostGIS - artefact error

I'm using PostGIS2.0 to do some raster/polygon intersections. I'm having difficulty understanding which operation I should use, and what the quickest way of performing this is. My problem is as ...
1
vote
2answers
2k views

what is the format of Geometry data type of SQLServer 2008

I want to know, In which format the Geographic data stored in geometry data type of SQLServer 2008.it looks like a long string,like 0xE6100010466DFEOA4089663524....... for one polygon. My second ...
4
votes
1answer
319 views

How is StreetDirectory.com web map application developed?

I wonder can you tell me how is developed map application like on this site? http://www.streetdirectory.com What API is used?
0
votes
1answer
252 views

Vertex point is returning None

I have this multilinestring that has 48 NPoints. When I execute ST_PointN(line,5) it returns none. And to continue on, it returns None for everything after index:2 up to index:48. This is how my line ...
6
votes
2answers
980 views

Basic .NET mapping components?

Which .NET mapping components are currently available? Focus is on desktop use and fairly basic mapping of SHP files (thematics etc.), not the more advanced GIS functionality (reprojections, clipping, ...
7
votes
4answers
7k views

How to build tile server from Openstreetmap data for beginner?

I am a beginner at GIS and I am developing a Java Application which needs a map. (The map would specifically be of just one city in the Philippines.) I have researched on different ways to do this and ...

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