1
vote
0answers
89 views

Can I export a layer's field value to metadata ?

Is there a way around for me to export a layer that has the field name "Quadname" and export it to metadata to capture all the quads names? I am looking for that to work on my metadata using Arcgis ...
5
votes
3answers
2k views

Developing Web Application For Map [duplicate]

I have huge data of maps usually most of the table are co-ordinates and the other are raster maps stored in SQL server 2008 and PostGres Server. I am using desktop application to analyse the data. ...
6
votes
1answer
3k views

First attempt using ArcObjects: ESRI's Add-ins example unclear

I've come to realize that scripting ArcGIS 10.0 with Python imposes too many limitations for my goals with ArcGIS, so I've decided to bite the bullet and delve into ArcObjects. Apparently, using ...
4
votes
1answer
607 views

Why is a Merge process via ArcObjects extremely slow?

In one of my arcobjects-based GIS tools I have a process which takes an array of shapefile paths and uses them as inputs with the ESRI.ArcGIS.DataManagement.Merge tool. I run it via a Geoprocessor ...
1
vote
2answers
472 views

How to project ECW with FME?

I would like to project ECW + MITAB with FME to Geodatabase. For example, i have the header MiTab: !table !version 300 !charset WindowsLatin1 Definition Table File "7007_0652_0656_A08.ecw" ...
1
vote
1answer
2k views

How to convert date to an arbitrary format in FME Workbench?

My source dataset is DWG and destination is GDB. The source dataset has Date attributes as Char in DD-MM-YYYY. The corresponding destination attributes have to be of Date datatype, that too in ...
5
votes
4answers
1k views

Need a location based social network data set

I'm looking for a data-set of Geosocial network consisting of Gps trajectories, chek-in,geotag contetnts and stuff like these available for research purposes. I'd really appreciate it if you can ...
2
votes
2answers
357 views

How to perform multiple string transformations using one transformer in FME Workbench?

I am converting a .DWG file to .GDB. All fields in DWG file are of Char type. The target .GDB needs to have some attributes in Float data type. For now, I am using one StringFormatter transformer for ...
1
vote
0answers
208 views

How to append geographic features into a .dgn file?

How can I export all the geographic features of a featureclass into .dgn (Microstation) file using C#/ArcObjects? I was able to create a new .dgn file and I want to export all the geographic features ...
3
votes
1answer
8k views

Changing the coordinate system of a qgis layer to the projection of Google Earth

I want to know how to change coordinate value of a vector layer (13293061,-572595) to 119.413,-5.13677 (vector data & Google Earth do not match). If I output my data using Google Earth as ...
8
votes
1answer
8k views

Converting a polygon into a raster using R

I'm trying to convert a shapefile into a raster within R. My approach is to read in the raster as follows: library(rgdal) # Loads SP package by default demo <- readOGR('F:/data/', 'shapefile') # ...
1
vote
0answers
274 views

How to wrap ArcEngine Sketch Control?

I've created a small API to wrap ArcEngine controls so I can customize them (my own toolbars, my icons, etc) and I'm having problem with the ControlsEditingSketchToolClass control. I basically have a ...
6
votes
3answers
3k views

How to toggle Fusion Tables layer on/off based on map scale?

In the Google Maps API v3 I'm displaying points derived from a Fusion Table by specifying a FusionTablesLayer Is it possible to set a minimum/maximum scale on this layer, so it turns off when zooming ...
7
votes
2answers
4k views

Can't import OSM data to PostGIS, permission denied

I use Postgres 9.1 on Xubuntu 11.10. I've created a db 'aus' and user 'aus', granted ALL on the db to the user. Now I try to import the data, and it outputs this error: $ osm2pgsql --create ...
2
votes
1answer
176 views

How can I show custom titles on my table fields with OpenLayers?

I have a server with Geoserver, Apache and OpenLayers and it displays the map okay; I can see my data with an OpenLayers.Popup.FramedCloud call and it shows the content of my layer. I want to know if ...
1
vote
0answers
137 views

Globe draped layer updating - ArcObjects vs Desktop

I have a globe document that includes several layers that are draped on the globe's surface, but no elevation layers. If I open the document in ArcGlobe (desktop) and add an elevation layer, the ...
5
votes
4answers
3k views

Free sources of mapping data for France

We are moving to France soon, and are currently investigating a lot of areas. Does anyone know of good online/offline resources for French mapping? I am very interested in mapping, weather, ...
2
votes
1answer
255 views

Mapnik server with Navteq Data

Is anyone here using navteq data for a GIS app? I'd like to work with navteq data and using mapnik-tilecache as a WMS server. The reason is, I use OSM data as well on my other server. And as the two ...
3
votes
1answer
585 views

How can I georeference a second image without losing georeferencing for first image in ArcGIS 10?

What happens: 1) Take a map with an image that was georeferenced earlier, which works fine. 2) Add a second image to the TOC and fire up the georeferencing toolbar. 3) Select the new, ...
2
votes
1answer
426 views

Search Raster Files from Folder that Have Same Spatial Coordinates Using Python

I have approximately 700 raster files in a single folder and I need to find files that have the same spatial extent and copy to a different folder. The raster files measure daily snow cover and ...
2
votes
1answer
536 views

Perform Multiply (Times) Function on Several Reclassified Rasters Using Python

I have several reclassified rasters (0 = snow cover, 1 = no snow) and I would like to use the multiply function on all rasters that have the same spatial extent. In ArcGIS 10 this function can be ...
1
vote
4answers
860 views

How do you solve the map publishing problem with Geoserver 2.1.1 on Windows 7 x64?

Well, my problem is that i have geoserver installed over a windows 7 x64 system with both java (JRE 6u29) x32 and x64 installed and i can't proyect my layers on the website. The preview on geoserver ...
2
votes
2answers
9k views

OpenLayers LatLon conversion

I have an OpenLayers map with a settings like a below. All LatLon points are represented like a POINT(3684182 5207957). In a more usual form (for me) it looks like a (104.287422, 52.284126). How can I ...
2
votes
2answers
2k views

Formula to get polygon centroid

I need to compute the centroid position of an irregular polygon with lat and lon coordinates in Java. Which formula should I use to correctly compute a centroid?
4
votes
1answer
758 views

Has anyone found a workaround the IMemoryBlobStream.LoadFromFile() error

As far as I am aware, you will get an error if you try to load large file sizes using the function IMemoryBlobStream.LoadFromFile(). Has anyone found some workaround code to load a file into a ...
11
votes
4answers
2k views

Best open source operating system for open source GIS?

I'm wanting to get into open source GIS, and it looks like PostGIS on Postgres is a good DBMS to go with, and there are plenty of posts on desktop editors. What I haven't come across (and forgive me ...
12
votes
10answers
1k views

GIS and natural disasters - examples of geo-visualizations and geospatial analysis

I stumbled upon NY Times' web map of deaths from tornadoes in US. Can you point me to some more interesting examples of geo-visualization and/or geospatial analysis of natural disasters and their ...
3
votes
1answer
1k views

geometryType property of Vector Layers in OpenLayers

ORIGINAL: I have a couple questions that are focused around the geometryType property with vector layers. When you create a vector layer you can set the geometryType property to limit the geometry ...
0
votes
2answers
1k views

Is there a way to have a single point feature with multiple records?

Is there a way to have a single point feature and have multiple attributes records associated with it? Multipoint approach won't work as it gives me one attribute set (database row). I am trying to ...
1
vote
2answers
1k views

Can you reorder a classified vector layer in QGis?

I have a GML file that I'm displaying in QGis - it contains a set of contours and they are written out in such a way that the lowest contour (largest polygon) is drawn last thus covering up all the ...
3
votes
2answers
515 views

Many of the Esri samples fail the WC3 HTML validator. Is this a problem?

I'm running into problems with some ArcGIS Server JavaScript code (page elements are positioned different in IE than FF/Chrome), so I checked it against the HTML validators at http://validator.w3.org ...
4
votes
1answer
728 views

Open street map accuracy problem

I want to locate shops with open street map. For that I send a query to nominatim, a webservice which geocodes coordinates from addresses. I draw a marker at the returned coordinates, and it´s ...
8
votes
4answers
1k views

Looking for open source component to create PDF from WMS in a web application

I want to create a PDF from WMS in a web map application. Please can anyone recommend a robust component? I'd like free open-source under an relatively business-friendly licence (no GPL, BSD/MIT ...
0
votes
3answers
1k views

Test Attribute with 1 or more possible values in FME?

This question continues story on link What's the syntax for an AttributeFilter in FME?. Now, how can I test attribute value if there are more than one value and proceed it to the Clipper (uses as ...
3
votes
2answers
194 views

Can “Getting to know ArcGIS Desktop” for version 9 be used as a tutorial for version 10?

I am a GIS n00b. Our company has ArcGIS 10 desktop, and since it is multi-user license, I was allowed to install on my computer. I was given a copy of "Getting to know ArcGIS desktop" but it is for ...
2
votes
1answer
324 views

Deploying to ArcGIS 10 Server .NET/Java

We're in the process of transforming a lot of 9.1 ArcServer/ArcObjects etc applications to ArcGIS Server 10. However, we're unsure as to licensing on 10. As I understand it, I cannot, according to ...
6
votes
1answer
626 views

Do OpenLayers maps always show/flash an empty screen while zooming?

When double-clicking on an OpenLayers map, the screen is momentarily blank while the next zoom level draws. Is this avoidable? It's not ideal, given that many other mapping APIs show a smooth zooming ...
2
votes
1answer
289 views

How to get the Nth LineString from a MultiLineString in PostGIS?

I need a function that gets the Nth LineString from a MultiLineString in PostGIS, somthing like ST_PointN that gets the Nth point from a LineString.
1
vote
0answers
836 views

mixing lon/lat and mercator layers in a MapServer .map file

I have a basic question about my MapServer .map file, which has two layers, each with a different coordinate system, longlat vs. mercator. See my .map file below. If I leave it as shown below, with ...
1
vote
1answer
324 views

What technology to use for an Interactive web map? [duplicate]

Possible Duplicate: Comparison of JavaScript mapping libraries? I need to build a custom interactive web map of my country with all it's regions (Peru). Which tool or technology would be ...
2
votes
0answers
522 views

How to transform Lambert to WGS84 in SQL Server?

Need to create a SQL view of calculated Lat/Lon values from an existing SQL view of County Coords. Loaded up SQL Server Spatial Tools and registerd CLR types. Lambert generated a resource error. -- ...
1
vote
1answer
1k views

(arcengine) export selected features from sde to shapefile (with joined fields)

I have a SDE featureclass that is joined to an access table in my map control. I want to export selected features of the SDE layer to a shapefile AND retain the joined fields. this following method ...
1
vote
0answers
108 views

issue with WEB ADF based Web application

I have a WEB ADF based application that I am having some issues with. When I start app in debug mode, it shows me a blank page but I can right click and choose the option view in browser and it works ...
0
votes
1answer
2k views

Moving graphics in Esri Flex Feature Layer

I have an ESRI Flex 2.3 FeatureLayer with some graphics in it. I am able to access the graphics geometry and parse the geometry as Esris MapPoint class for Flex Api. I am calling the update(x,y,srs) ...
5
votes
1answer
1k views

Split line using line/point in PostGIS 1.5

I have a layer that contains a master line (one big polyline) and a another layer that contains "break lines". I need to be able to split the master line at the intersection of each of these break ...
6
votes
2answers
11k views

Manipulate .asc files in qgis

I have an .asc file and I want to import in QGIS. The standard way to open it is from "add Raster layer" ("import Raster Layer"), there is another way? I know is strange that ask but I need it. And I ...
28
votes
2answers
1k views

What projection appeared in the NYTimes this morning?

Perhaps not as GIS related as some, but definitely about maps. Can anyone identify the map projection that appeared in the New York Times this morning? It's not one I've seen before, and a quick ...
3
votes
1answer
116 views

TINs: What advantage does unequal sampling of data points have over regular sampling?

Triangulated Irregular Networks. Under what conditions is one sampling method more appropriate over the other?
0
votes
1answer
158 views

registry Setting for ArcGIS 931 on Windows 7 PC

I am having some issues with ArcGIS 9.3.1 instalation on Windows 7 PC. After installation, when I checked the regsitry setting, it shows: ArcInfo as entry (I chose the option of Arcview during ...
2
votes
2answers
5k views

ArcGIS javascript API - draw circle of a specified radius in meters

I am trying to add a circle of a specified radius (let's say 200 meters) to a map. My thought is to create a SimpleMarkerSymbol object. The constructor asks for a size of the symbol in pixels, but I ...

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