Questions tagged [file-formats]

A standard way that information is encoded for storage in a computer file

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1answer
528 views

how to export mdb to dgn file in qgis

I am having an (.mdb) file .I want to export this file to (.dgn) format .How can i do this in Qgis ? Is there any plugin available ?
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1answer
288 views

Which application generates *.MAG, *.MOB and *.CAR files?

I have following type of files (I have tried FME too.I think they are DGPS generated file?) ".MAG" , ".MOB" and ".CAR" extension files many more ".SES" ,"ERR", "LOG" several I have attached files ...
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2answers
10k views

How to convert .geotiff --> .tiff?

How to convert .geotiff files to .tiff files (ordinary plain images)? Basically, I have cropped the image to a rectangle of interest and knowing its left-lower location and having chosen the pixel ...
2
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2answers
546 views

Raster format to read with python

I currently have a DEM raster stored in an ESRI geodatabase. I've been asked to create a purely python (e.g., no arcpy functions) program that works with the values. Therefore, I need to convert the ...
2
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0answers
139 views

'File is too big' error when uploading QGIS Plugin

I have written a simple QGIS plugin which zooms the map canvas to a user specified UK postcode. I would like to share the plugin but the csv file, which contains stripped down OS Code-Point open data ...
0
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1answer
626 views

multispectral images (Band Sequential format)

How can I create a multispectral image file (in band sequential (BSQ) format), from several 1-band images, using GDAL libraries? I work with C++ language. Thanks for your attention.
4
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2answers
927 views

What format is this data in?

I ran into a file today that is in a format I'm unfamiliar with, and I'm hoping that someone can identify it. The file extension is CTZ, but the only file type I found on Google with that extension ...
2
votes
1answer
4k views

Can you explain this WKT multipolygon format?

I am confused by the output I'm getting from ogr2ogr when converting a shapefile to WKT. What I'm expecting to see is something in the form below (from Wikipedia): MULTIPOLYGON (((40 40, 20 45, 45 30,...
3
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3answers
767 views

E00 file structure?

I am trying to write a java application that reads and visualizes data from E00 file. I cannot find any sources describing what is the structure of an E00 file and also what information does it ...
4
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2answers
98 views

How to store and edit data with a defined topology using open software and formats?

I'm looking for a way to store and edit spatial data that preserves topological information. In my concrete application, I need to represent triangular meshes, which consist of unique nodes and ...
0
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1answer
757 views

How to read/write a/from a file in javascript with prototype.js/jQuery.twFile support OR anyotherway

I want to write my data into a file from OpenLayers, I have gone through Prototype.js and jQuery.twFile.js or anyother way to write into a file.
3
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0answers
57 views

Library for parsing scientific PDS files?

Does a library exist for parsing the PDS files that scientific planetary data gets shipped as? For example, here's a link to to the lunar topographic data from the Lunar Reconnaisance spacecraft (it'...
3
votes
2answers
951 views

ENVI BIL file algorithm logic

I have a 6 band Landsat image, RGB and 3 NIF bands. As far as the Band Interleaved by Line (BIL) method goes, the resulting image should have, and I quote ENVI manual: the first line of the first ...
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14answers
12k views

Which GIS support DXF and/or DWG?

Which GIS support DXF and/or DWG (preferably read&write)? Update: Are there any open source GIS supporting these or similar CAD files? Support of CAD files generally seems to be problematic. ...
3
votes
3answers
3k views

Convert .dwg file into .dwf file using Teigha tool

I am using teigha tool to convert my dwg file into dwf file. Can anybody help to explain the procudure for the same. Your prompt reply will be greatly appreciated!
3
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0answers
423 views

GFS SIG/SFC file format of siganl.gdas/sfcanl.gdas analyzing/decoding problem

I am creating a database from datafiles. I encountered many fails and errors, which I have already fixed (also with the help of this Q&A web). Now I am stucked a bit in decoding of 6 files because ...
2
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1answer
149 views

Error while trying to upload a .bsq file to the geoserver

I am trying to upload a .bsq file (ENVIHdr Coverage Format) to the geoserver. While doing this I got an error message. I am using the "GDAL" Extension for the geoserver. The error message is: "Could ...
2
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2answers
1k views

How do I batch export maps for sub regions of a dataset with qgis?

I have a national level dataset consisting of polygons, polylines, points and rasters. I would like to export a map for every sub region (border defined by a polygon shapefile). Is there a simple way ...
4
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2answers
13k views

Converting TAB to MIF / MIF to TAB

How I can export (import) data from TAB format to MIF and vice versa?
3
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1answer
249 views

rgb2pct.py increases size of file 20 fold!

I wanted to reduce the number of bands of a tif file from 3 to 1... I used this command rgb2pct.py -n 256 fnp_braunschweig.tif fnp_bs.tif and it increased the size from 31mb to 778mb I actually ...
5
votes
2answers
2k views

60GB .gdbtable file in my file geodatabase – what is it, and can I delete or make smaller?

The title says it all really – I have a single file named 'a0000000.gdbtable’ in my default file geodatabase that is 60 GB in size. I have a number of other files with .gdbtable extension that aren't ...
8
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2answers
167 views

File naming for Enterprise GIS database?

I'm designing the guidelines for an Enterprise GIS database. Part of this database will include customized geoprocessing tools using a variety of software. I'm interested in knowing whether anyone ...
1
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1answer
1k views

KML to Dat Converter?

Are there any free KML to DAT(destinator compatible) converter available ? I tried to use global mapper but was in vain. Also used ITN converter but the line was converted to points.
3
votes
2answers
1k views

Change output file type in QGIS georeferencer?

I have successfully georeferenced a raster file via the Georeferencer plugin (Georeferencer GDAL Version 3.1.9) in QGIS 1.7.0. However, I noticed that the output georeferenced raster file is in TIFF ...
5
votes
2answers
936 views

What generation of the MrSID format is supported by ArcGIS 9.3?

This is probably old news to some, but I just learned that MrSID (.sid) files have different 'generations' of file formats - so there are MrSID Generation 2, Generation 3, and Generation 4 files. ...
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2answers
3k views

Import .cdr file into gis/cad format

I have a corel draw (.cdr) file that I would like to import into a GIS. It is a vector format which I thing has no geographic information associated. I would like to be able to get it into MapInfo ...
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1answer
1k views

How can I open a georeferenced JPG file in OCAD?

I have a georeferenced .jpg file with the .jgw file containing the coordinates. I want to use it as a background in OCAD. But when I open the file as a background, the jpg file is not georeferenced to ...
7
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3answers
320 views

Custom, low-level representation of streets and traffic rules

I'm new to GIS, and I'm still trying to gain an understanding of what can be represented in the various GIS files. Very generally I know(/think) that you can represent points, that lines, polylines, ...