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

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0answers
9 views

Converting Geo-normalized SVG data to geojson

I'm working on a project for which our team geonormalized some TIFF files with MapWarper, then used photoshop to vectorize only the buildings within the images. We now have svg data for which we know ...
7
votes
2answers
2k views

Automating batch load of multiple GPX files into PostGIS

I've got 50+ GPX files that I would like to "batch load" into a PostGIS database. All of the track_points data would be loaded into a "track_points" table (with typical GPS fields like lat, long, ...
4
votes
1answer
202 views

How to transform isolines to isopolygons with postgis?

I have a table a postgis table of isolines that's defined like this: CREATE TABLE myisolines ( gid serial NOT NULL, isotime timestamp without timezone, val numeric(10,4), geom geometry(...
1
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0answers
22 views

batch convert geojson to shapefile [duplicate]

I have a directory full of geojson files that I need to convert to shapefiles for editing in QGIS. As far as I have searched, there are no resources in GIS StackExchange that explain how to do this ...
26
votes
2answers
17k 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 -120....
1
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2answers
386 views

Conversion from shapefile to geodatabase feature class in ARCGIS

I have converted feature class from a geodatabase to shapefile, and after that I have updated some polygons in shapefile. Now I want to get back to the same feature class or a fress/new feature class ...
1
vote
1answer
254 views

ogr2ogr from personal geodatabase to spatialite produces “non-spatial” tables

I have around 4 GB of data in 10 separate Personal Geodatabases, each of which contains multiple feature classes. I'm trying to convert the smallest one to SpatiaLite via ogr2ogr, in preparation for ...
0
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0answers
17 views

Doing supervised classification for images on ERDAS?

i want to do a supervised classification for images on ERDAS, using GIS, i clipped the areas i want to use as training/signature from the original images. but i just can't create a signature file, ...
1
vote
1answer
67 views

Force Python GDAL/OGR to flush changes to disk

I am trying to write a simple list of features and export it as a KML file, adding one extra attribute: in this case trafficability. However, ogr is failing to flush the data to disk when I run the ...
2
votes
1answer
28 views

After converting .shp to .gpx, there seems to be no content in the .gpx

I tried to convert .shp files into .gpx using QGIS. Originally, the .shp were in the Swiss Coordinates (CH190) but I've changed them into WGS. I can load the .gpx into QGIS which works really fine. ...
0
votes
0answers
41 views

Alternative program to ogr2ogr

Is there an alternative program to ogr2ogr when trying to convert file formats? I've played around with ogr2ogr quite a bit lately (on Windows) but I can't get around some issues .. For example when ...
1
vote
2answers
269 views

Shapefile to KML Conversion Problems in QGIS 2.6.1 on Mac

I am currently using QGIS 2.6.1 on a Mac with OS 10.9.5. I am trying to export a shapefile using QGIS to KML format. I am having success with the export but the data is skewed halfway across the ...
-3
votes
0answers
25 views

Converting a GeoTIFF file to a DEM so I can later bring it into SketchUp

I have a GeoTIFF file that I want to convert into a DEM so that I can bring it into SketchUp. SketchUp only allows files ending in .dem, so I need to convert it somehow. Is this possible, and if so, ...
0
votes
1answer
286 views

Create a new BasicOverposterLayerProperties

ArcGIS 10.1 with VB.NET I have been trying to figure this out for days but can't seem to make the connection. For a layer I am trying to create a label. I create a new BasicOverposterLayerProperties ...
2
votes
1answer
69 views

How to convert raster (big size) to points?

I have a raster : population density of Ivory Coast. I need to convert it to points, but I met several problems because of the size I think. Here is what I tried : 1) GRASS GIS 7 command : r.to....
1
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0answers
42 views

How to convert legend to graphics in QGIS?

I am trying to convert the legend element in the print composer into graphics, like the option in the ArcGIS: Is there some way to do this in QGIS?
9
votes
3answers
600 views

Importing KML and style information into Geoserver

So I'm working on a project that's been in development for over a year, but I only recently got involved. My task involves converting roughly 2,500 KML files into another format, importing these files ...
0
votes
1answer
189 views

Batch convert tab files to shape files

I've seen several questions asking how to convert .tab files to .shp files in qgis mapinfo etc, which is what I'd like to do. However I have several files and I was wondering if there was a tool ...
3
votes
2answers
110 views

How can I create Mapbox vector tiles with zoom extent 0-4?

when I use Mapbox and load a vector polygon. after upload is done the file is converted to vector tiles. it is then assigned a zoom extent: How can I tweak this ? I would like the tiles created from ...
4
votes
9answers
21k views

Creating shape file from file with coordinates

How can I make a shape file of an csv file with coordinates?
1
vote
0answers
25 views

QGIS Lost precision when converting raster to vector

I am after running ordinary kriging, converting raster to vector I lose decimal value and only get whole number. I have added first the raster then the vector image.
0
votes
1answer
137 views

Converting VMAP to shapefile using GDAL?

This is my first time trying to convert a VMAP to a shapefile and the examples online aren't as straightforward to me. Any guidance?
8
votes
3answers
5k views

How can I convert a ascii file to geotiff using Python?

I have a ascii raster format file. For example: ncols 480 nrows 450 xllcorner 378923 yllcorner 4072345 cellsize 30 nodata_value -32768 43 2 45 7 3 56 2 5 23 65 34 6 32 54 57 34 2 2 54 6 35 45 65 34 ...
2
votes
1answer
199 views

what is the difference between topo to raster and points to raster tools in arcgis

I am working with point data, and I've found two ways to create raster data. 1 Topo to raster 2 points to raster the values of each result are different, and here are some pics for reference. ...
0
votes
1answer
1k views

“Update Altitude” does not work on TCX Converter

I have downloaded TCX Converter from the official site. Although I update altitude data of points which I created from Google Earth, they can't be displayed on table. Only "ml>" is written on ...
0
votes
1answer
31 views

Plot x,y coordinates on a Polyconic Map Projection

I have an image of a large polyconic map projection: (Note that the actual image is much larger, I just made it smaller to upload it.) I would like to take in a user's GPS coordinates and plot where ...
0
votes
1answer
211 views

Converting polyline data to polygons?

I am trying to convert some polyline coastline data into a polygon that I can use to clip/subset back other data sets by this polygon. There are some small gaps in the coastline data, which ...
6
votes
3answers
13k views

Using ArcMap, how may I convert a shapefile to use decimal degrees?

I have a shapefile that currently uses meters as the measure for its coordinate system, but the map framework I wish to use expects decimal degrees. I'd like to reproject my shapefile to use decimal ...
7
votes
3answers
9k 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, ...
0
votes
2answers
49 views

Converting SpatialLite.Core.API.IGeometry to GeoAPI.Geometries.IGeometry

I have an in-house .NET library which processes geometry data in GeoAPI form (https://github.com/NetTopologySuite/GeoAPI). Within this library I have a method which I need to call which is expecting a ...
1
vote
1answer
29 views

CHaMP Topo Processing Menu not active in ArcMap 10.1

After converting a .tiff file to TIN, I have now installed the CHaMP Topo Processing Add-In which should allow me to convert Topo TIN to DEM. However, after installation, the entire toolbar is grey ...
0
votes
0answers
51 views

Map Projections - WHAT?

I have a problem (C#.NET): What I have: Points with a coordinate (Lan & Lon) A canvas (WPF) with a dynamic size A control which represents a point A zoom factor, the kilometres from right to ...
1
vote
1answer
44 views

PYQGIS Layer to KML?

I am aware that it is possible, in QGIS, to save your Vector Layer as a KML file manually, however, I want to know if there is anyway I can do this programmatically from an external Python Script that ...
6
votes
1answer
26k views

Converting Mapinfo “.Map” file into ArcGIS format? [duplicate]

Possible Duplicate: How do I convert MapInfo TAB and/or MIF to SHP? I currently do not have MapInfo but I do have a lot of ".Map" files that I need to convert for use in ArcGIS. Actually each ...
2
votes
2answers
4k views

From coordinates find country using Python

I have tweets with coordinates. I'm trying to bucket the tweets by country using the coordinate information. I know that I can achieve this using some hosted web services but all of these have API ...
1
vote
2answers
2k views

Tools for exporting coordinates from LAS files to CSV?

Is there any tool available for extracting the X, Y and Z coordinates from a .las file and exporting them to a .csv or similar file?
2
votes
2answers
110 views

How to convert .csv with WKB to shapefile (.shp) using open source solutions?

I have a .csv file with hundreds of rows pulled out via PostGIS. The geospatial information is in "the_geom" field which seems to be in WKB-format. How can I convert this to shapefile using simple ...
3
votes
3answers
3k views

How to convert GRIB-1 to GRIB-2?

I need to get data for my database from some GRIB files (binary), I downloaded wgrib2, which can export GRIB-2 files to .csv and csv is very suitable for me, but some GRIB files are GRIB-1, so I used ...
3
votes
4answers
3k views

Convert from WGS84 to GDA94/MGA94 on iOS

I have a mobile app (iPhone/iPad) for recording data and taking notes, including photographs, and a government client needs GPS coordinates attached to each photo. They require coordinates in the ...
1
vote
1answer
150 views

Convert a .tif raster in .img format in QGIS

I have a raster file in .tif format and I want to convert it to .img with QGIS. Does anyone know how I could do that?
1
vote
0answers
29 views

QGIS - convert multiple polygons to evenly spaced points within polygon boundary

I need to convert the polygons in a vector layer to evenly spaced points within the polygon boundaries in QGIS. The vector file contains >1000 polygons mostly with overlaps. The attribute data of ...
1
vote
0answers
19 views

FME Desktop Distorts shapefile to TDRBM(.bas) translation

I am trying to convert esri shapefile into Tobin TDRBM II Data Distribution Format (.bas) but this distorts my data and create files with extension .bas.csv instead of .bas.I removed .csv and tried to ...
15
votes
1answer
720 views

What format is a location represented like this?

While converting an old system, I came across a position column with values in a format like this: 38RQT6410550656 While I've never seen global positioning represented this way, putting this in ...
1
vote
1answer
64 views

How to convert a Shape (SDE.ST_GEOMETRY) to Latitude and Longitude?

A table Oracle have a Shape field of type SDE.ST_GEOMETRY, I want to convert it to latitude and longitude. I need the Latitude and Longitude to build dynamic maps on Google Maps. I saw on the ...
1
vote
0answers
32 views

Bulk Converting Data Using FME

I am currently in the process of converting a large quantity of Ordnance Survey Vector Map Local data from .gz to Esri feature class within a file geodatabase. The process is working correctly but ...
0
votes
0answers
23 views

Getting latitude and longitude in decimal degrees from DEM-raster in UTM

I have a digital elevation model (details: ~4300 cols x 3600 rows, cell size 10 m x 10 m, tiff format, projection: WGS1984 UTM, false_easting: 500000, false_northing:0). I would like to have 2 ...
1
vote
1answer
50 views

Convert a raster with one band into a raster with RVB bands on QGIS?

So yesterday i downloaded a raster tile on a WMS server and exported it with Grass. I get a raster with 3 bands, i treat with the Semi automatic classification Plugin in QGIS and it works perfectly. ...
7
votes
3answers
7k 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() ...
6
votes
3answers
5k 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
1answer
40 views

VDatum helmert transform parameters

I'm trying to use NOAA's VDatum to verify the NAVD88 -> WGS84 datum conversion in a c++ datum conversion library that I've written. The answers didn't agree, so I attempted to check a simple ITRF2008 ...