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

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1
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0answers
32 views

GIS system for displaying GDSII(*.gds) format?

I want to display vector graphics on raster graphics and I have vector scheme in GDSII format. There are some viewers for GDSII like KLayout for example, but they don't support raster graphics. Is ...
2
votes
1answer
108 views

How to convert different lidar data formats to raster DTM and measure its geographic position accuracy?

I'm trying to generate a DTM from lidar data and I'm new in the this field. I have different kind of files which describe the same area (different versions): *.dtm *.xyz *.xyz with variable grid ...
0
votes
1answer
101 views

impacts of converting TIN to GRID

My DEM comes in TIN-format so that i will have to convert it to GRID to be able to analyse it with Spatial Analyst. Will there be any inaccuracies to my data from converting TIN to GRID?
9
votes
0answers
3k views

Open source alternative to FME from Safe Software for Spatial ETL? [duplicate]

Just wondering if there is any open source solution which comes close to safe FME? I would like to integrate it into my workflow, but it´s just another few thousand which my employer has to give out ...
2
votes
1answer
283 views

Fiona + Shapely: Loading a set of LineStrings and writing their centroids to a shapefile, including original properties

I am using Fiona to load a set of links. Then I put every record in the rows of a pandas.DataFrame. Then I get the centroid of each LineString using Shapely. Afterwards I copy the schema of the ...
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 ...
1
vote
1answer
742 views

Convert PNG to GeoTiff using GDAL

I have a map portion PNG and its associated PRJ file. I want to convert the PNG to a GeoTIFF. I know how to convert a PNG to a GeoTiff if the bounding box is available: gdal_translate -of Gtiff ...
8
votes
6answers
7k views

Creating duplicate features based on many-to-one conversion of related table?

I need to create duplicate features (in this case parcels), using a related table to populate ID fields. In essence, I need to use a related table of parcel owners to create duplicate parcels, each ...
10
votes
4answers
6k views

Character encoding support in geodatabases and shapefiles

I've got several geodatabases that include feature classes with Greek letters in a lot of the attributes. When I try exporting a feature class as a shapefile from ArcCatalog, the attributes are ...
3
votes
0answers
64 views

Create a Shape file from Sql dump file

I am trying to map data by querying a table called xyz. I need to show the the_geom data on the map. I have below query in my mapserver .map file: DATA "the_geom from xyz using unique id using ...
1
vote
1answer
163 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 ...
0
votes
1answer
290 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
486 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 ...
2
votes
1answer
222 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
347 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. ...
4
votes
2answers
5k 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
179 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
90 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
174 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
165 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
163 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
357 views
2
votes
1answer
94 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
202 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 ...
1
vote
1answer
39 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
172 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
7k 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 ...
2
votes
2answers
248 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
456 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?
5
votes
1answer
316 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
96 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
18 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
2k 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 ...
0
votes
0answers
16 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 ...
4
votes
1answer
251 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
82 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
112 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
274 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
216 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
26k 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 ...
0
votes
0answers
110 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
120 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
109 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 ...
2
votes
3answers
221 views

How to convert PCS based point X/Y into GCS Lat/Lon using ArcObjects

There are so many permutations of questions I've tried to find the answer to my question from various sources, but I have yet to actually find an answer the way that makes sense to me (and works). ...
2
votes
2answers
196 views

Rasterize line shapefile

I'm trying to convert a line shapefile to a raster image at QGis, but my attempts have been unsuccessful. I've tried to use Raster/Conversion/Rasterize and SAGA/Grid - gridding/Shapes to grid, but to ...
3
votes
1answer
40 views

Algorithm behind custom tool of ArcGIS for Desktop called xyz2grid21?

I am a researcher from Romania and I have used xyz2grid21 ArcGIS tool (by Min-Lang Huang) in order to convert xyz files (LIDAR data) to ASCII and ESRI grid in order to obtain a DTM. I need to know ...
22
votes
4answers
4k views

Bulk load multiple shapefiles into PostGIS

I've got over a hundred data layers in shapefile format that I want to upload into a PostGIS database. They are all in the same projection, but represent different data layers so they do not have the ...
1
vote
2answers
399 views

Converting Shapefile data to GeoJSON

I have access to some open data for which I want to obtain some coordinates to put onto a map. Unfortunately, the data is in the Shapefile format which is rather difficult to work with. I am trying to ...
3
votes
1answer
94 views

Conversion from Namibian Coordinates to Google Maps (WGS84)

I have coordinates in Namibia, but don't know how to convert them to use them in Google Maps. The system is Lo22/19°. Then Y: +55 435,89 X: -498 157,28 Can anyone help with a conversion?