8
votes
4answers
6k views

Looking for open source software similiar to ESRI City Engine

I am looking for open source software similar to ESRI City Engine and currently going through open source software directory. Update : About ESRI City Engine (Quick introduction) We want to make ...
25
votes
4answers
9k views

How to efficiently read a kml file into R

I'm working with huge .kml files (up to 10 Gb) and need an efficient way to read them into R. Until now I've been converting them to shapefiles via QGIS and then back into R with readShapePoly and ...
3
votes
1answer
876 views

Export KML ExtendedData with OGR2OGR

I would like to export with ogr2ogr the data I have in a kml as ExtendedData <Placemark> <ExtendedData> <SchemaData schemaUrl="#15540_punti"> ...
1
vote
0answers
64 views

Purge Layers from QGIS [duplicate]

I have created numerous databases from a base source and merely added and removed various layers then saved as a new project. There were more layers common than not in common in each project. However ...
3
votes
2answers
299 views

Merge two geodatabases with identical structure

I'm using an ArcGIS addon which stores all created data (shapes and tables) in a gdb. The addon is made for single user use but to safe time I want to split the work with someone else. After that I ...
1
vote
1answer
204 views

How to query and display layer using ArcGIS Python script tool? [closed]

I have database which contains point shapefiles and raster files for 3 species. My aim is to develop a script tool that should have a search tab to enter the species name. also, a check box to select ...
2
votes
0answers
154 views

How to place map legends and titles in Geoserver?

I am new to geoserver and tried to learn from basics & familiar with GIS concepts. I published a shape file in geoserver, Now I want to add a title & legend to the published file. Please ...
2
votes
2answers
720 views

FME area on area overlayer dropping components of some features

As it says in the title, is this expected behaviour? What happens is that the dataset before the area on area overlayer has some features (in the image below, the large green parts are the same ...
3
votes
1answer
319 views

How come “Zoom to Polygon” always puts me in the middle of Nebraska?

This is an issue related to this question I'd asked a few days ago. I've got that code working, to an extent. Every time, though, that I double click on one of the Polygons in the attribute table that ...
9
votes
2answers
456 views

Should point data be equidistant projected when using ArcGIS IDW spatial interpolation?

I am wondering if anyone can clarify whether point data should be projected to an equidistant projection when using ArcGIS IDW spatial interpolation? I am working on a dataset from Western North ...
3
votes
1answer
7k views

How to combine (join?) two overlapping polygons to determine combined area they cover?

How do I combine (join?) two overlapping polygons to determine the combined area they cover in ArcGIS 10? I am sure the Geoprocessing tools can do it, but just how eludes me.
1
vote
1answer
255 views

ST-Links convert Feature Class to DB Table error

I'm using ArcMap with the ST-Links SpatialKit Conversion tool to convert a Feature Class to a DB Table. But I'm getting an error: ERROR: 42601: type modifier is not allowed for type "geometry". I can'...
10
votes
4answers
4k views

How to avoid creating corrupt Shapefiles during Editing?

I have one of my GIS technicians digitizing some lines in QGIS in shapefile format. I don't know how he did it (and neither does he), but somehow the shapefile became corrupt. It was creating random ...
5
votes
1answer
128 views

Is there a Small Windows install of QGIS?

I am looking to find a faster alternative to ArcReader. I think QGIS might be faster but I was wondering if there was a smaller install without all the GRASS etc for windows. I just want to get a ...
1
vote
0answers
183 views

Qgiscloud upload problems

Uploading a map to Qgiscloud seems to work fine. But uploading data presents two problems. Qgiscloud complains that my version of OGR/GDAL is outdated. And if I try to upload data, qgis complains that ...
0
votes
2answers
760 views

OpenLayers WMS - TypeError: this.resolutions is undefined

I'm trying to setup a map with WMS and WFS Layers by using Geoserver. However, when I'm combining WFS and WMS (with some Google basemaps) together in one map I got following error in Firebug: ...
4
votes
1answer
2k views

Geocoding Multiple Addresses using ArcGis JS API

I am new to using the ArcGIS JavaScript API. I am currently trying to develop an application but I am having troubles with it. The application I am developing uses a .csv file with a bunch of ...
3
votes
1answer
77 views

Problem Joining FAA raster charts

I am new to GIS and I am trying to place the North and South Salt Lake City aeronautical charts in QGIS. The problem I'm having is that there is a black section where the two charts should touch. Am I ...
12
votes
2answers
766 views

Propose a new location for Watch Tower using Viewshed Analysis

I want to suggest location for new watch tower in a forest area, but i am confused , on what criteria i can propose a best location. If i am taking DEM , slope and distance from existing tower , then ...
1
vote
1answer
1k views

String comparison expression failing in Mapserver when including fieldname

Within classes I'm able to match strings using CLASSITEM, but not when including the field name in the expression, for example (inside a layer declaration): CLASSITEM "myfieldname" CLASS ...
6
votes
3answers
349 views

Batch geocode with multiple services?

I've got a batch of addresses to geocode (on the order of 10,000), I've looked at various services for doing the geocoding, and each service seems to be able to locate a portion between 50% and 90% of ...
1
vote
2answers
565 views

how to produce xml file in SLD to add discrete colors and color legend

I have to produce a xml file, according to Styled Layer Descriptor (SLD) (for more informations you can see: http://www.opengeospatial.org/standards/sld). The file is required by GeoServer and it has ...
3
votes
2answers
2k views

How to find the middle point of a line in QGIS

I am trying to locate the coordinates of the middle point of a line feature in QGIS. I tried searching online but can't seem to find an easy way to do this.
3
votes
1answer
203 views

Is GeoServer Image Pyramid upscaling?

I have an Image Pyramid in GeoServer 2.2 RC3 (not the latests - I know, but I have other pyramids working here). The total size is around 1TB and file size is around 1-2GB for each GeoTIFF. When ...
4
votes
2answers
537 views

How to extract values from intersection of different size buffers with raster?

I have a polygon shape with buffers. However, the buffers are of different size from 4m radius to 15m. In total I have 7 different buffers. I have a landcover raster and I would like to extract ...
3
votes
4answers
4k views

“Extract by Mask” changing raster pixel values…or not?

I am using ArcMap 10.0 and am confused by my Extract by Mask output rasters. I hope to eliminate the black background from three Landsat ER Mapper images so that I can mosaic them. Originally I ...
4
votes
1answer
2k views

Openlayers/Proj4js not transforming coordinates the first time

Something seems to be going wrong with my transformations. Before I added proj4js, transforming a coordinate went fine: new OpenLayers.LonLat(-1.0, 52.0).transform(new OpenLayers.Projection('EPSG:...
1
vote
0answers
71 views

CQL Filter on WMS [duplicate]

I have CQL_Filter which filters WMS layer and displays only the points I asked for, The problem is that all features even the hidden, keep showing its popup when I click on their spot. So, as I ...
3
votes
1answer
356 views

How can I validate a table name on SDE with Oracle backend?

Second title: "Is arcpy.ValidateTableName broken on Oracle?" I have an Oracle SDE database 9.3.1 (service connection). My arcGIS client tools are version 10.0 SP5). I have some names of feature ...
1
vote
0answers
210 views

Geoserver proxy extention

i got geoserver 2.1.2 and when i wanna add the jar file ( for proxy extention for geoserver) in the desired file "geoserver 2.1.2/webapps/geoserver/WEB-INF/lib" and clicked to "Proxy Admin Page" in ...
0
votes
0answers
29 views

Convert time field [duplicate]

I have a string field named "HEURE_DE_DEBUT" containing hours (08:07:54.000) and I want to convert it in a date field. I used the function Convert Time Field but it keeps returning this: First, it ...
1
vote
1answer
754 views

convert GPS to x,y using reference node

i am using sensor nodes and their antenna to calculate GPS coordinates as notation of (degrees/minutes/seconds), i have some question of how to do these things: how can i convert latitude and ...
2
votes
2answers
1k views

ComException -2147467259 Arcgis 10 VB.net +Geoprocessing

I have a problem when i execute GeoProcessing in ArcEngine 10 with VB.net i had create the toolbox : Models.tbx and Model Process : disolveRoute with 2 parameters My Function is : Sub diso(...
1
vote
1answer
261 views

How can I change SQL query through a layer of an action (python)? [closed]

I have three layers from three diferent database tables. When I click in other layer I want to change (with an action) the query of that three layers. How can I do that? Thank you
4
votes
2answers
3k views

How to retain Field Name / Alias on Export of Table?

Is there a way I can modify the Field Name or to make him keep the Alias when a table is exported? Or is there a way to keep the Alias instead of the Field Name, when exporting for example to .dbf ? ...
3
votes
1answer
298 views

Geoserver, Arc 10 or Windows 7 problem?

I wonder if you can help me resolve a problem. I have given access to a WMS served up through Geoserver to various members of staff and it works fine on Arc 10 running on Windows XP. However I get an ...
0
votes
1answer
198 views

I want to change using C# the style of a set of shapefiles once I have uploaded them or while I am uploading them

I am using C# and the WebRequest class to create a worksapce and then another WebRequest to create a datastore and upload a folder full of shapefiles to a geoserver. However, I would also like to ...
1
vote
1answer
1k views

From a trajectory of GPS points to a multiline segment

Given a trajectory as a sequence of GPS points I would like to create a smooth linestring representing a path where a car drove. The data is stored in postgresql: the input trajectory in a table, ...
7
votes
2answers
767 views

ArcGIS 10, Converting from date to number

I am trying to transform a date field like "00:05:40" into an integer field (i.e. 340 sec). Does anyone know how I could do that conversion please?
2
votes
1answer
1k views

What does 'projected bounds' and 'WGS84 bounds' mean in the definition of a CRS (on spatialreference.org)?

The site http://spatialreference.org gives 'Projected Bounds' and 'WGS84 Bounds' for each Coordinate System. What does these 'bounds' mean? e.g. for ETRS89 / UTM zone 32 N this is given: I know what ...
1
vote
0answers
1k views

I cannot connect to ArcGIS for Server 10.1 from ArcMap, I can in ArcCatalog

I have a strange error, I created three connections to ArcGIS for Server 10.1 in ArcCatalog as admin, publisher & user, and they connect and opens normally in ArcCatalog. However, when I try to ...
5
votes
2answers
1k views

Capitalizing The First Letter Of Each Word In Attribute Field

Does anyone know of a way to capitalize the first letter of each word in a field in an attribute table? I am doing this in QGIS. I know of field calculations to change all the words to Lower or ...
3
votes
2answers
140 views

Framework/software for dynamic WPS creation

We have some specific EO data processing facility and are about to provide an access to one using WPS-based interface. The are plenty of solutions for the task. However, it is hard to find one that ...
1
vote
1answer
472 views

Which marker did the user click on (ArcGIs JS API)?

I've got a simple map with a set of 10 markers on it. When they are clicked an infoWindow appears however I would like to instead display the data in the infoWindow in a table. How do I find out which ...
4
votes
2answers
466 views

How can I find an appropriate coordinate reference system?

I have a worldmap and need to present different countries (e.g. Japan and France) in different extracts in QGIS. Thus I need to find out the best way to decide for an appropriate CRS for the ...
2
votes
2answers
472 views

Finding distance (in time) from nearest point out of 4 along a road network

I have four points representing harbors along the coast. I also have a roads layer that has info on each road segment such as length, speed limit, and travel time. I calculated travel time with [(...
0
votes
1answer
773 views

OGR OSM-driver unable to open datasource

I want to read an OSM file with OGR. I use Version GDAL 1.9.1, released 2012/05/15. To read a SQLITE file works fine: $ ogrinfo test.sqlite INFO: Open of `test.sqlite' using driver `SQLite' ...
6
votes
1answer
650 views

How can I make a PostGIS ST_Distance_sphere query more efficient?

Within PostgreSQL/PostGIS I have written a SQL query to get the closest distance for each element within a point coordinate table from a polyline table. The query comes back and works correctly, but ...
0
votes
1answer
786 views

Image Classification toolbar disabled in ArcMap 10.1

I'm trying to select an image from Image Classification toolbar but the dropdown arrow box is disabled. The 'Classification' dropdown box and all of its contents are also disabled. Any help would be ...
5
votes
1answer
4k views

PrintTask in ArcGIS Online JS Api

I'm using the PrintTask() function from the ArcGIS Online API. Works like a charm...untill you add your own graphics. When I don't run the addedAskedSymbolsToMap function in the code below, and only ...

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