"Convert" usually tags questions where a change of physical file format or of coordinate representation is needed.
16
votes
5answers
2k 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 ...
18
votes
10answers
23k views
How do I convert MapInfo TAB and/or MIF to SHP?
How do I convert MapInfo TAB and/or MIF files to SHP using only free tools or ArcGIS itself? I've not had much luck trying to do this in the past and I don't want to have to shell out for the ArcGIS ...
13
votes
12answers
6k views
Shapefiles to Text
How can I convert a shape file (GIS) to text?
or, How can I extract the information in a shape file?
48
votes
19answers
33k views
How can I convert between KML and ESRI's shapefile format?
My users are sending me point data that were digitized using GoogleEarth. How can I convert their KML to a shapefile?
11
votes
8answers
4k views
How can I convert an excel file with x, y columns to a shapefile?
How can I convert an excel file with x, y columns to a point shapefile?
There are some somewhat optional requirements in addition to the correct creation of a shapefile:
Column types (as per ...
19
votes
2answers
2k views
Spatial ETL comparisons
I am hoping some of you experts out there can list the pro's and con's of various spatial ETL (extract, transform, load) tools. If you have used these items listed here (or add your own), please ...
12
votes
3answers
2k views
Converting SimpleGeo Places GeoJSON file to shapefile?
SimpleGeo has recently made their "Places" data set freely available which is GREAT, because now we can use it for our own purposes, even offline. So I went about downloading the 2GB dataset, which ...
5
votes
3answers
5k views
How to convert a vector layer to raster?
In qgis in the raster menu there is an item "convert vector to raster".
This behaves strangely - I do not understand how it is supposed to work.
I can select a vector file, an attribute and an ...
10
votes
1answer
2k 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 ...
4
votes
6answers
2k views
ogr2ogr convert all shapefiles in a directory
I have a directory with several shapefiles. How can convert all these shapefiles to MapInfo with ogr2ogr. I know how I can convert one file. And I can make a batch script writing a line for each file. ...
9
votes
9answers
4k views
Batch convert lat longs to UTM?
I've got a .csv file that contains a long list of latitude and longitude points. Is there an efficient way to batch convert the list into a projected UTM coordinate system?
Thanks.
18
votes
6answers
3k views
How to convert image of map into vector format?
What is the best way of converting a gif of a map into a vector format, such as a shapefile?
The only relevant parts that I am interested in are the outline of the island so I realize some manual ...
8
votes
4answers
453 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 ...
11
votes
3answers
2k 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 ...
8
votes
2answers
3k views
How to Import SVG into GIS?
I have a PDF file, with a Map as a vector graphic. I want to get this into GIS. (I use ESRI's ArcGIS, but any FOSS solution is also fine).
I know that it is not possible to directly get the PDF into ...
5
votes
2answers
2k views
How to convert Distance, Azimuth, Dip to XYZ?
I have an excel spreadsheet with header and survey drill data. Header data contains hole ID, and location coordinates, and the survey data contains related downhole survey with Distance, Azimuth and ...
9
votes
5answers
5k views
Convert XY points to a line?
Someone mistakenly saved a GPS track as waypoints and then sent them along to me in a .csv file. They want a line back (shapefile). What's the simplest method to convert this to a line? Available ...
3
votes
2answers
492 views
How to read MapInfo .tab files in ArcPy?
I want to use arcpy (the ESRI install of python 2.65) to analyse tab files...can this be done directly or do I need to convert them to shp files...if so would it be possible to do something like
...
4
votes
4answers
2k views
Tool for converting .shp file to .tab file?
I am searching for any free tool which can convert ShapeFile (.shp) to MapInfo (.tab) file.
3
votes
4answers
1k views
How to georeference a dxf?
I have got myself a dxf which is built with units in the wrong scale. How do I upscale that in QGIS? Note it does open in QGIS, just in the wrong map units and location.
1
vote
4answers
2k views
How to convert SHP into GPX or JSON?
I would like to convert the tree inventory shape files of London (Canada) into a GPX file and if possible into a JSON file. You can download the archive from their Open Data website. It contains the ...
0
votes
1answer
225 views
How to convert a shapefile to WKT?
I'm trying to convert a shapefile into the simple Well Known Text (WKT) format in the example below (from http://en.wikipedia.org/wiki/Well-known_text).
MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),
...
0
votes
1answer
78 views
ArcGIS 10.0 Running Python function CADToGeodatabase() crashes ArcMap/ArcCatalog
My code:
import arcpy, csv
from arcpy import env
dgnfile = str(arcpy.GetParameterAsText(0))
outFeatureClass = str(arcpy.GetParameterAsText(1)) #the fc in my fgdb template to be ...
0
votes
2answers
279 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 ...
11
votes
3answers
645 views
ogr2ogr fails to convert GeoJson file > 200MB
As a followup to my previous question (Converting SimpleGeo Places GeoJSON file to shapefile), I am now struggling with what I perceive might be an ogr2ogr "memory" limitation, but I cannot be sure. ...
6
votes
2answers
6k views
Shapefile attributes to Autocad Annotation
How can I export the attribute information for the shapefile/feature class to Autocad Annotation/Text. I'm able to export the shapefile to autocad but unable to get the attributes in annotation. Need ...
13
votes
2answers
980 views
How can I fix my complex Polygons so they show correctly in Google Maps?
Problem: I'm trying to find a way to fix some broken polygon shapes and I'm not sure how I can do this.
Details:
I've got a number of polygons which I basically imported from TIGERLINES a while ...
10
votes
2answers
1k views
Lon/lat transformation
First I should clarify I don't have previous experience with the field, so I don't know the technical terminology. My question is as follows:
I have two weather datasets:
The first one has the ...
8
votes
1answer
279 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 ...
5
votes
2answers
271 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 ...
3
votes
3answers
133 views
How to convert geometry to WKT using ArcPy?
I would like to be able to convert a single feature (or potentially many features) in an ArcGIS layer into Well Known Text (WKT) format during a geoprocessing operation using Python and ArcPy (no ...
3
votes
2answers
697 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
3answers
736 views
Export georeferenced image overlay from KML?
How might one export image(s) from image overlays in a KML file to a standard geo-referenced raster format like geotiff?
Use case: NASA's Earth Observatory has a time series of the changing Athabasca ...
2
votes
3answers
3k views
Batch convert GeoTIFF's to KMZ files
I have about 600 GeoTIFF map files, each about 140 mb in size that I'd like to convert to KMZ files so people can download them and use them with Garmin GPS units, Google Earth, etc.
Anyone know an ...
1
vote
2answers
167 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, ...
1
vote
1answer
651 views
Last edited information missing when used QGIS - Dxf to Shp
I am doing as constructed drawings which require the information to be in a GIS system and more specifically drainage as constructed drawings.
I must have a separate file for Pipes and Pits. First I ...
4
votes
1answer
135 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 ...
4
votes
1answer
766 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 ...
4
votes
1answer
3k views
How to batch convert Garmin GDB to GPX?
I need to convert a lot of garmin GDB files to GPX in order to convert it to another vector format. Is there any tools available can do a batch convert from garmin GDB files to GPX? Using MapSource ...
4
votes
1answer
1k views
Convert shapefile lines to a polygon in GRASS
I have a shapefile of a map that is the outline of a number of islands. I would like to convert the lines into polygons (ie all islands filled in) using GRASS. I searched on how to do this with GRASS ...
3
votes
2answers
449 views
Vertical Datum Conversion Utilities
I have some data (points and rasters) that I would like to be able to convert to and from several vertical datums, including MLLW in coastal Florida. I would appreciate it if people could provide some ...
3
votes
1answer
503 views
Convert feature class to raster based on attribute field values
As part of a tool, I’m trying to convert a feature class to a raster based on attribute field values. I have accomplished this conversion using IRasterConvertHelper, but this is done without ...
2
votes
0answers
111 views
What is the best way to convert WKT String to GML String
What is the best way to programatically convert WKT String to GML String? Every reasonable library (at best available in some Maven repository) can be used.
Till now I came up with this solution ...
2
votes
3answers
540 views
Batch script converting and resampling orthophotos
I would like to convert more than 300 orthophotos produced at scale 1:8.000 with a pixel size of 0.8m X 0.8m from Ecw format to Tiff format and after resampling pixel values.
My aim is to batch ...
2
votes
0answers
48 views
Batch Convert MapInfo .TAB Files to .KML [duplicate]
Possible Duplicate:
ogr2ogr convert all shapefiles in a directory
As the title suggests, i have a few hundred .TAB files to convert to .KML. This is likely to be a fairly irregular thing ...
2
votes
9answers
4k views
Creating shape file from file with coordinates
How can I make a shape file of an csv file with coordinates?
2
votes
1answer
2k 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
37 views
Feature to Raster Conversion Results in Empty Raster [closed]
I have a simple shapefile with one feature in it with a single value (of 1). I am trying to run a Euclidean Distance on that feature, but I get "invalid parameters" errors.
So I tried to convert the ...
1
vote
1answer
130 views
ArcObjects 10.1 .NET Convert Point from WGS1984 to OSGB1936
Please can someone help me convert a point in WGS1984 to OSGB1936, I have followed all the documentation (or so i think...) and yet have not made any headway into this problem. This is my code :
Type ...
1
vote
1answer
1k 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, ...
