"Convert" usually tags questions where a change of physical file format or of coordinate representation is needed.

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18
votes
4answers
29k views

How to get coordinates from geometry in PostGIS?

This line: SELECT geom FROM myLayer.geom will return a hex value, i'm wondering how would it be possible to get decimal values, a result that look likes human-readable coordination? Regards,
1
vote
0answers
200 views

How to correlate Image DN with Spectrometer reflectance?

I am trying to develop a system to measure NDVI from the commercial grade digital camera. I am trying to get two bands NIR and RED from the image and apply it for NDVI measurement using diffent ...
1
vote
1answer
2k views

Converting data from gml.gz to ESRI format

I am using the Productivity Suite v3 Data Converter tool to convert Urban Paths (from OS Master Map ITN layer (UK)) from gml.gz format to ESRI format. However, there appears to be a bug in this ...
3
votes
1answer
4k views

Creating Isolines from point Data

I'm quite new with ArcGis 10 so I’m having difficulties with something that may be simple to some. Anyway I have a list of bores that I’ve plotted using coordinates. Now I need to draw a single ...
3
votes
2answers
879 views

gdal doesn´t support my *xyz file

I have just exported a tif DEM to XYZ format with SAGA GIS. When I check this with gdalinfo it states that the format is unsupported? Seeing as I converted this with saga gis which used gdal I find ...
6
votes
1answer
849 views

How can I convert a tif or xyz file to HGT?

Due to system incompatibilities between projects, I have been asked to convert my DEM which is in geotif format to HGT. I have no experience with HGT and cannot find any export options to this ...
20
votes
5answers
36k views

Can I convert a kmz file to kml?

I have a kmz file. Is there an easy way to convert it to KML? Can I just "unzip"?
2
votes
2answers
1k views

Converting polygon layer to *.txt files using ArcGIS Desktop?

Is there any way to convert polygons that do not have coordinates in the attribute table to a txt file with coordinates. I will be using the txt file in a different software (not ArcGIS), so I need ...
2
votes
1answer
547 views

Problem with convert georeferenced jpg to geotiff

I'm beginner with GIS tools. I have jpg file with GPS data and I need reference this file to Microstation as georeferrenced raster. I tried use function Raster -> Conversion -> Translate with defined ...
2
votes
1answer
84 views

Latitude and Longitudes are replaced with zeros when importing excel 2007 worksheet into personal geodatabase

I am trying to import an Excel 2007 data set into a personal geodatabase so I can convert coordinate systems. The data set includes point locations in Decimal Degrees. When I import the Excel ...
2
votes
2answers
1k views

Creating Garmin GPS compatible map using TFW+tiff files

I have complete set of 1:50000 maps of Sri Lanka in .tiff format. They have .TFW files accompanied with them. Now I need to create maps to use with my etrex 20 device using those tiff files. How can I ...
4
votes
1answer
1k views

How can I export a shapefile to netCDF?

I have a shapefile of the worlds biomes Terrestrial Ecoregional Boundaries Shapefile (TNC), 12/14/09, 50MB download from available from http://conserveonline.org/workspaces/ecoregional.shapefile ...
0
votes
0answers
568 views

Why is “Convert Graphics toe Features” grayed out in a dataframe that has georeferenced layers?

I have brought two graphics, a species range and a heatmap, into a dataframe and georeferenced them using control points. I rectified them and now I want to clip one with the other but I can't get ...
4
votes
1answer
4k views

How to convert WMS to SHP?

I'm looking for tool that will be convert WMS to vector layer. Are they ready tool?(for example in python)
1
vote
1answer
328 views

How can I import geometries from an invalid GML quickly?

I have the following gml geometry : <gml:Polygon xmlns:gml="http://www.opengis.net/gml" srsName="EPSG:2154"> <gml:exterior> <gml:LinearRing> <gml:posList ...
6
votes
2answers
1k views

How to convert 3D DXF to PostGIS 2.0?

I'm not very skilled on using postgis but I face a problem that I must solve, i.e. create tables to load geographical data stored as dxf. I have a thousand dxf files (3d) with polylines, points and ...
2
votes
1answer
2k views

Shapefile to MSSQL with ogr2ogr fails to make connection

I am using ogr2ogr from OSGeo4W on my Windows 7 box to import a shapefile into a SQL Server database on one of my servers. I was able to successfully complete the conversion using shp2sqlserver, but I ...
2
votes
1answer
2k views

Convert X Y Pixels to Easting Northing

I'm trying to find out what the formula would be to convert the X, Y of an image to the Easting and Northing coordinates. I've downloaded some of the raster maps from OS UK web site and I'm looking ...
5
votes
2answers
1k views

How to enclose clustered points with polygon?

I have a raster with forest (1), no forest (2) data. "1" is represent single/few trees and there is gaps between them. I want to create a polygon around these trees to a forest map. It is not a dense ...
5
votes
3answers
5k views

How to create lines from points pair coordinates with arcpy?

I've got some points pair coordinates (start and end points) which I have to transform into lines. Until now, I used an append of both the coordinates in a pippo.Point(), a pippo.CalculateGeometry() ...
2
votes
1answer
1k views

Extraction of DEM from netCDF file into ASCII XYZ format

I need to extract a DEM of a waterbody from a netCDF file so I can ultimately convert the DEM into xyz format. I'm not sure how to go about doing this, and so far, I have tried to create raster layers ...
4
votes
1answer
416 views

How to convert a png with known bounds from Plate Carree to Mercator with GDAL

I have a png image that shows the region defined by the geo bounds UpperLat, LeftLon, BottomLat, RightLon (in degrees & -ve for West Lon and South Lat) in Plate Carree EPSG:4326. I want to convert ...
5
votes
3answers
2k views

Finding centrelines from polygons?

I was wondering if there is a way to create centre lines from polygons in QGIS? I have a polygon layer, but ideally need the centrelines as a separate file. Thanks, Alan
0
votes
2answers
971 views

How to find the proper coordinate reference system with two sets of data using different measurements or too convert one system into another

I have two different entries of data in two different spread sheets. One of the spread sheets uses a coordinate reference system that I have no idea what the units of measurement are. the properties ...
7
votes
2answers
475 views

How to use GDAL to convert Int16 data to Byte

I have some data with Int16 bands in HDF format. I want to convert this to Byte bands in GeoTIFF format. The data range for the Int16 is -2000 to 12000, so I want to map this to the Byte range 0 to ...
1
vote
3answers
3k views

How to convert Lat/Long to UTM using Proj(4j) similar to JScience UTM.latLongToUTM?

I'd like to use Proj(4j) to convert between UTM and Lat/Long coordinates. I used to use JScience for UTM <-> LatLong conversions like this: UTM.latLongToUtm(latlong, ReferenceEllipsoid.WGS84); ...
5
votes
2answers
796 views

How do I convert many .dxf files to one gdb file?

I am using ArcView and ArcCatalog 9.2 with the Data Interoperability extension and I have 159 .dxf files that are comprised of 6 files; a dessin DAO, an annotation DAO, a multipatch DAO; a point DAO, ...
11
votes
5answers
2k views

How to build a geographic database of GPS logs?

On our aerial wildlife surveys we typically generate dozens of GPX files, and usually convert most of them into shapefiles for display in a GIS application. GPX files are a terrific way of keeping all ...
0
votes
1answer
4k views

Converting shapefile labels to graphics ArcMap?

I have a shapefile that represents contours. Because I have clipped the contours to the map boundary they are broken in several places. Now that I have labeled the contours there are labels that are ...
1
vote
0answers
58 views

How to Convert Long/Lat from Excel into shapefile? [duplicate]

Possible Duplicate: How can I convert an excel file with x, y columns to a shapefile? Possible duplicate, How can I convert an excel file with x, y columns to a shapefile? How do I ...
1
vote
1answer
598 views

Is it possible to convert a Geoserver SLD to Quantum QML format?

I have a web application which runs on Geoserver. I am migrating my application to desktop and am struck at applying the same color schemes and symbology. I am not able to find a way to convert SLDs ...
3
votes
1answer
161 views

How to typecast from MULTIPOLYGON to MULTIPOLYGONM (force XY multipolygon into XYM)

I need to merge several databases, where the destination table has a constraint checking for MULTIPOLYGONM in the geometry column. At some source tables, the geometry column is in the XY form ...
2
votes
0answers
95 views

How to convert FROM Navit to PostGis or SHP?

I have a Navit BIN file which I want to use in PostGis or QGis, so I need to import it to PostGis or convert it to a shapefile. I have found a lot of information on how to convert data TO the Navit ...
3
votes
1answer
818 views

How do you format an OGR VRT file to best convert a CSV to KML?

I am attempting to get a nice KML for simple review of POI/geocoding from a CSV. I a using ogr2ogr and a vrt. You can see the vet file below, with two attempts to get this right. Basically, the issue ...
1
vote
1answer
648 views

Exporting vector to kml with ogr2ogr without extended data

If I convert a shapefile as kml in QGIS, GRASS or ogr2ogr directly, defining the name and/or description field with the -dsco tag, all columns in the attribute table of the input layer are exported to ...
2
votes
1answer
858 views

Converting shapefile in NAD27 from meters to decimal degrees to match xy data?

I have a shapefile of a boundary (polygon) that has the following projection: NAD_1927_UTM_Zone_11N Projection: Transverse_Mercator False_Easting: 500000.00000000 False_Northing: ...
0
votes
1answer
308 views

Batch convert ipaddress to coordinates [duplicate]

Possible Duplicate: Advice on geocoding IP addresses I am wondering if there are any applications that will batch convert ipaddress to geographic coordinates? Some background on the ...
7
votes
3answers
1k views

where do I download POIs from Wikipedia? placeopedia used to have them but is now gone

I am trying to improve OpenStreetMap in Siem Reap, Cambodia. A way I am doing this is to add temple locations. I hear that there is a dataset of temple locations available from Wikipedia (presumably ...
1
vote
1answer
498 views

how to open layers with multiple geometry types in qgis?

I recently had some difficulties opening some MapInfo TAB vector layers in QGIS because each MapInfo layer contained two different geometry types: point and line. The MapInfo layers had originally ...
2
votes
1answer
1k views

Converting mosaic dataset to TIN gives error? [on hold]

I merged several DEMs together in on single DEM with mosaic dataset. Now I wanted to convert this mosaic dataset in Vector with TIN. But when I use the tool (3D Analyst Tool) Raster to TIN comes an ...
0
votes
1answer
598 views

Character encoding for Oracle DB and Geoserver

I have a setup that uses Oracle database->GeoServer->OpenLayers->my JavaScript. I use the UTF-8 character set in GeoServer and the JavaScript layers. The Oracle instance is configured to use WIN1252 ...
3
votes
1answer
153 views

Converting Spidertracks GPS flight tracks into shapefile or kml?

I have some data that will be comming to me from helicopter flights and was recorded with Spidertracks software. Does anyone know how to convert flight tracks from 'Spidertracks' gps flight tracks ...
5
votes
5answers
12k views

Trouble when georeferencing CAD files in ArcMap

I've definitely got at least a couple of grey hairs while trying to convert some dwg. files to shapefiles. I've seen that this subject has been disscused a lot, but hope someone will have the ...
2
votes
0answers
208 views

How to decode Magellan URL coordinates to lat/lon

Magellan uses this URL to designate a coordinate in New York: mgn:///address/?coord=merwFvlqbM,name=Viva%20Herbals%20Pizzeria,number=179,street=2nd%20Avenue,city=New%20York,country=US How can I ...
4
votes
1answer
267 views

How to generate xml for use with geoxml3

I have a kml and shp I would like to convert to an xml to use with geoxml3. How would I go about doing such a thing? The xml I generate should look something like this: <?xml version="1.0" ...
6
votes
1answer
3k views

Features to 3D from 2D in QGIS

Is there a way to convert 2D features to "3D" features in QGIS? I know there is a way to do this in ArcMap by using an attribute value in the attribute table, but I am looking to do this with ...
3
votes
3answers
2k views

Convert an .xlsx datasheet with point feature data into a POINT feature class

I am trying to create a script tool to automate this process, eventually it will be used for batch processing but at the moment I can't even get test data to work. This is pretty basic at the moment, ...
2
votes
1answer
6k views

Convert a Tif raster file to vector shp file in QGIS

So I've been trying to convert a georeferenced Tif raster file into a vector shp file using QGIS. It's seems to complete this but it ends up giving me a feature class that has over 500,000 features, ...
6
votes
4answers
5k views

Ways to transform from DWG/DXF to GIS (Experiences are welcome)

I've got tons of DWG/DXF files with information (in several layers) dealing with: Contour lines and elevation (lines) positions of antennas (points) protection areas (polygons) administrative ...
3
votes
3answers
7k views

csv to kml converter

Does anyone know a workable and stable program which converts csv extension files to kml? There are many tools available online but none of them worked for me. I tried many including kmlcsv ...