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

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7
votes
4answers
12k 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"?
0
votes
1answer
27 views

Converting JSON to GeoJSON or CSV?

How do you convert a JSON file to a GeoJSON file or csv. I have a JSON file with lat lon information, but how can I can convert this file to GeoJSON or csv. I have found some online tools to convert ...
9
votes
2answers
443 views

What is the correct way to convert a USGS Orthoimage from WorldImage format to tiled GeoTiff for GeoServer?

USGS provides different resolution orthoimage quadrangles in the WorldImage format (*.tif with an accompanying *.tfw world file). Some of these quadrangles can be used by GeoServer (2.1.0 - 2.1.2) by ...
1
vote
0answers
19 views

Mapinfo Conversion Plugins

I have created a land classification using QGIS in Geotiff format and need to convert this to Mapinfo format. I tried to used the conversion tool file type (Northwood Classified Grid Format .grc ...
1
vote
1answer
35 views

how to convert kml to wkt using geodjango or python?

in geodjango i found that i can use WKT to insert geometry such as: pnt = GEOSGeometry('POINT(5 23)') but it doesn't show how to do it if the data is KML, as my data is in kml format, so my plan is ...
2
votes
2answers
47 views

Convert shapefile with lists to data frame in R

I would like to ask some help for converting a shapefile to data frame. I downloaded data related to roads from Natural Earth. I imported the shapefile using shapefiles package like the following. ...
1
vote
2answers
127 views

Vector to Collada

I am curious if there is a way to export from a vector format (ie: shapefile for PostGIS table) to Collada (.dae). ogr2ogr will do to GML and KML, but not Collada. My preference is to use open ...
4
votes
2answers
2k views

How to generate a DEM from a contour Shapefile?

I want to create a DEM from depth contours (shapefile) in QGIS. I've been trying to work out how to do this based on this previous question, notably from this link from that page, however I'm stuck, ...
4
votes
2answers
153 views

How to save .shp to .csv so that the Name is in the first “column” of the .csv?

I am trying to convert a point shapefile to .csv with locations in QGIS. The problem I am having with the conversion is mainly that, in the resulting .csv file I would like to have the Name and then ...
1
vote
3answers
70 views

polygons to polygon conversion with attribute name [duplicate]

1) I have a polygon shapefile with 1000 multi-part polygons in it. Each Row of the table is a multipart polygon. 2) I need 1000 shapefiles with 1 multi-part polygon in each. 3) Each output shapefile ...
1
vote
1answer
68 views

Converting mercator meters without UTM zone?

I've been attempting to extract track information from Humminbird (Side Imaging Sonar) binary files and have hit a stumbling block with the coordinates it provides. The values are apparently in ...
1
vote
1answer
61 views

How to convert float to raster in QGIS

I have downloaded bathymetric data into QGIS. In order to use it I need to conduct a float to raster conversion. I have not been able to find how to do this on any of the forums. I have unsuccessfully ...
-2
votes
1answer
62 views

Converting GeoNames csv file to shapefile?

How can I convert a Geonames csv file (downloaded from http://download.geonames.org/export/dump/) to a ShapeFile?
2
votes
3answers
62 views
2
votes
1answer
66 views

ringer: help convert simple plugin to new QGIS 2.x

I have been trying to get this simple plug-in to work on QGIS 2.x. So far i got it to load, but it does nothing! all that it is supposed to do is place a polygon where a hole (ring) is. The code is ...
0
votes
2answers
49 views

Exporting to 2D (Arcview 3.0 compatible) shapefile in QGIS?

I need to run my shapefiles through a web mapping application which is incompatible with 3D shapefiles. At present I run them through the FME Universal Translator in Mapinfo, which enables you to ...
2
votes
1answer
3k views

How can I compute raster pixel width and height given raster bounds, row count, and column count?

Restated, how do I convert arc degrees to meters? For example, I have an elevation data raster that has the following metadata: WEST LONGITUDE=64.97798789° E NORTH LATITUDE=33.02003415° N EAST ...
1
vote
0answers
18 views

How to convert shapefiles into ascii grid .asc in QGIS?

I downloaded multiple zips that cover a small island from the Rhode Island Geographic Information System webpage, specifically the geographic files that make up Block Island. Here's the source: ...
3
votes
1answer
428 views

Extract BoundingBox of Cities

For simple geocoding purposes I want to extract all cities from a single country of openstreetmap. They only queries I want to do are: ZipCode -> (List of) BoundingBox of City/Village ...
19
votes
12answers
12k views

Converting Shapefiles to Text (ASCII) files?

How can I convert a shape file (GIS) to text? or, How can I extract the information in a shape file?
1
vote
1answer
90 views

autocad-map of real estates with own coordinate system and information to be converted to use it in QGIS

I have a question regarding CAD and QGIS, but unfortunately I don't have a clue of CAD. Here it goes: Real estates data has been mapped. There are several reference points surrounding the area. So ...
12
votes
4answers
4k views

Convert GeoPDF to a vector format

I want to convert a GeoPDF that has vectors entity in it to a vector format and preserve the real coordinates of these vectors. The GeoPDF has been exported from ArcMap and has layers in it. I have ...
1
vote
1answer
34 views

Convert and export lat longs from text layer - QGIS

I have imported a Text Delimited Layer that was a csv file with three fields id, lat, long. The layer shows up correctly and the values are in Feet. I need to convert the Feet to Decimal Degrees and ...
1
vote
0answers
51 views

Convert polygon data into extreme lon/lat coordinates using QGIS

I'm very new to QGIS. I have a shape file of census blocks and want to use the data to plot points within each boundary using Google Maps api. I figure the best way to do this is to find the extreme ...
4
votes
1answer
5k views

Converting .dwg to .shp using QGIS? [duplicate]

Possible Duplicate: How to import DWG in QGIS project? I have .dwg file and i need to covert to shp file using Quantum gis.Their is dxf to shp plugin I need .dwg file to shp file .How can i ...
15
votes
2answers
4k views

How can I convert data in the form of lat, lon, value into a raster file using R?

I have a data set of values over a km grid in the continental U.S. The columns are "latitude", "longitude", and "observation", e.g.: "lat" "lon" "yield" 25.567 -120.347 3.6 25.832 ...
2
votes
2answers
110 views

Date-format conversion

I'm using Time Manager and QGIS 1.8.0 and I am stuck at date-format conversion. Time Manager needs Gregorian format YYYY-MM-DD HH:MM:SS.ssssss in text field and I have thousands of records in ...
1
vote
2answers
332 views

Looking for a GeoJSON describing the french departments

Is there any place where I could find a GeoJson describing the borders of the french departments, or do I have to convert a .shp file?
4
votes
1answer
53 views

Convert ESRI Shapefile to Raster using R - biggest polygon area to raster cell value?

I want to create a raster from an ESRI shapefile. Multiple polygons may exist in one raster cell. If so, I want to assign the attribute variable which occupies the biggest area of the raster cell. ...
1
vote
1answer
35 views

How to import and project ASTER 1B data into Arcmap?

I recently purchased a granule of ASTER 1B data from ERSDAC, when I import any of the associated rasters into ArcGIS, the image is displayed as being only 1m across, when the actual area represented ...
1
vote
0answers
17 views

Good KML conversion program [duplicate]

I recently used the GPSlogger app and created KML files from my routes. I haven't been able to successfully convert them to shape files. Does anyone know a good downloadable program that converts ...
0
votes
1answer
1k views

NED (LTP) to ECEF Orientation Conversion (Tait Bryan Angles)

I have an application where I need to convert an orientation from NED - given a WGS84 latitude and longitude - to ECEF. I have yaw, pitch and roll as Tait Bryan angles (XYZ) relative to the local ...
3
votes
1answer
518 views

How to preserve dgn cad file attributes when exporting from microstation and importing into Arcmap?

I'm trying to import water utility lines from Microstation into ArcMap. The water utility lines are symbolized by size in Microstation, but when I try to view the attribute table in ArcMap the ...
1
vote
1answer
234 views

How to write GML and GeoJSON features while retaining attributes in .NET?

I am developing a .NET project [C#] that needs to export/write features as GML and GeoJSON, including, of course, the attributes; data could queried by a database or manually entered. I checked ...
3
votes
1answer
2k views

Convert DEM to STL (3D Printer Format)

I have a DEM in ArcGIS 10.1 that I would like to get into STL format for a 3D printer. Does anyone know some software that will allow me to make this conversion? I have to use the STL format because ...
3
votes
2answers
228 views

geocoding addresses specifically into NAD1983 or converting X,Y into 1983 after geocoding

I'm going bananas trying to geocode addresses into a NAD1983. I have ArcMap 10.1 and I'm using the default address locator (North American 10.0 from arcgis online). No matter how low I set the ...
0
votes
0answers
5 views

Need XML structure for importing metadata into Geoportal

I have older data stored in ArcIMS(I think it's ArcIMS?) format, I would like to convert this data over to be used with geoportal. Other than a sample document, I haven't been given much info on how ...
1
vote
1answer
316 views

How to export a geojson file with correct order of coordinates?

I was testing rendering of data via GitHub in geojson format, because I wanted to use it for INSPIRE data. INSPIRE data are in GML 3.2.1 format. I've downloaded one of datasets from ...
9
votes
5answers
1k 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 ...
4
votes
1answer
228 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" ...
1
vote
3answers
2k 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); ...
2
votes
1answer
52 views

How to convert unix time to qt time type?

How can I convert unix timestamp to qt time type using qgis field calculator? I would like to avoid importing my table into excel and convert the timestamp to qt time type.
2
votes
0answers
62 views

Converting KML To Layer using ArcPy losing objects?

I am trying to a convert kml file to a layer using python. This is my code: import arcpy arcpy.KMLToLayer_conversion('C:\kml\\result.kml', 'C:\kml', 'result') But the layer has lost a lot of ...
1
vote
1answer
170 views

Cesium 3D Map help

I am new to cesium and I want to display 3d shapefile using cesium.Conversion of shapefile in czml and display into cesium in main hurdle.
1
vote
1answer
73 views

Converting shapefile to KML using JavaScript or PHP?

My client needs to generate maps from shapefiles. Through my initial search, I came to know that we need to convert shapefiles to .kml then we can generate maps from google maps. So I searched for a ...
15
votes
11answers
23k views

How to a convert LiDAR XYZ files to DEM / DSM?

Normally consultants (LiDAR survey) provide me with data to my specifications; already in ESRI GRID or ASCII GRID format. This way LiDAR data can be easily used with ArcGIS. This time I only have xyz ...
2
votes
1answer
711 views

How to convert (geodetic pose + cartesian offset) to geodetic position

I am in search of an algorithm to solve the first/direct geodetic problem precisely in 3D. The input is: a geodetic (not geocentric) position (WGS84, height is above the WGS84 reference ellipsoid) ...
0
votes
0answers
59 views

Convert series of WKT to Shapefile

I have seen am ability in SQL Server 2008 Spatial Tools here that saves result of query as shapefile..I am intrested in how to do this task using C#..Is there any way to do this?I found ways to ...
2
votes
1answer
46 views

Rasterizing Contours - How to remove 0 values

I want to convert vector contours to a DEM. From other posts, I wanted to utilise the Grass r.surf.contours tool. Initially I converted the vector contour layer to a rasterized contours using the ...
2
votes
1answer
63 views

Problem measuring area with gps coordinates

I am trying to measure area from gps coordinates but fail to get the correct result (7200 square meters). I used the formula from this post but I get way too high number as result (should be in square ...