Questions tagged [file-formats]

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

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1
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2answers
920 views

Creating a .rul file for topology in ArcGIS?

How can I create .rul file for topology in ArcGIS?
5
votes
1answer
1k views

Can I use .crd and .dwg files as QGIS data sources?

I want to use my autocad files(.dwg) and my field files (.crd), and want to know if they are compatible with qgis.
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2answers
1k views

Map formats supported by QGIS

May i know whether QGIS supports the following map formats? (1) S-57 Electronic Navigation Charts (Naval Maps) (2) Army/IAF Maps in DGN (3) DTEDO0, DTEDO1 and DTEDO2 (4) GeoTIFF (5) DTED
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2answers
3k views

GDF — Can anyone suggest some good reading?

Can anyone give me a nutshell explanation of the Geographic Data Files format, or post a few URLs I might find enlightening? I get the sense (although I'm not sure) that GDF implies building ...
5
votes
2answers
14k views

Exporting county level data in *.shp file to text (csv) file in ArcMap?

I have a shape file created as per the answer to my previous question, which includes county level means for each county in the US. How can I now export this data in a .csv file, e.g. with just the ...
1
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2answers
2k views

Export issues in ArcGIS 10.0

I'm working on a bigger map for panaflex, 12'*10'. Since basemaps in ArcGIS cannot b exported as vectors (or may be I don't know how), I have to export a jpeg file or a pdf etc (pdf, even, without ...
0
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2answers
90 views

digital elevation model data help?

I know little about geographic data. I am trying to get a file of elevation data for the United Kingdom so that I can import it into a CAD program and convert it to an *.stl or *.dxf format. I ...
2
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3answers
147 views

Storing large number of mapsets with many raster maps

OS X El Capitan, GRASS GIS 7.0.1 I have a location with about 530 read-only mapsets with each about 2600 raster maps (plus PERMANENT and one link to a read-write mapset), overall 11.255.481 raster ...
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0answers
502 views

How to open or use .all files [closed]

I have downloaded what multibeam sonar datasets from the marine geoscience data system website http://www.marine-geo.org/index.php The files have arrived in a .tar folder which contains multiple ...
2
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1answer
2k views

Open-source reader of Leica C10 terrestrial LiDAR proprietary file format

I have a Leica C10 terrestrial LiDAR (laser scanner) system. The system creates and stores point cloud data in a proprietary .bin file. Currently I have to use Leica's proprietary LiDAR software, ...
3
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2answers
3k views

Can ogr2ogr read .kmz files? How?

Attempting a run-of-the-mill ogr2ogr process with a KMZ file failed: FAILURE: Unable to open datasource `Rail.kmz' with the following drivers. Is there a trick? (Obvious workaround is to unzip the ....
4
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1answer
3k views

How to open or import .sdc files in QGIS?

I have some .SDC files i want to look at but i dont have arcview installed. is it possible? i couldnt even find a software that does sdc to shp conversion. any idea? i am using qgis 1.7.4 on both ...
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0answers
326 views

TransCAD file format for matrix data

I've never used TransCAD before. I have what I believe to be a TransCAD matrix file called data.mtx which I would like to be able to convert to some other file formats. I would prefer to do this at ...
3
votes
2answers
4k views

Converting *.tif file into headerless (flat) binary file?

I am using NDVI files (value range -1 to +1) created from Landsat CDR images to produce a timeseries in TIMESAT software. My .tif file has following characteristics. File type TIFF,Data Type ...
1
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2answers
567 views

Suitable raster format for elevation data with sub-meter accuracy?

I've got some elevation data represented in ascii gridded xyz-files which I want to convert to a conventional raster format. What's a bit special is that the elevation values have sub-meter accuracy, ...
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2answers
149 views

Building error with QgsVectorFileWriter

I am working with qgis api c++ 2.8.2, in c++/QT 4.5 I try to save my List of QgsField but I have the error message : no matching for call to 'QgsVectorFileWriter' I took the sample from here : http://...
4
votes
1answer
711 views

smallest, lossless, GDAL ready image format

I would like to know what the smallest file format is I can use with GDAL that fulfills the following criteria: lossless compression (relatively) easy to read/write with GDAL Python bindings least ...
2
votes
2answers
829 views

Creating Protocolbuffer Binary Format (PBF) file using QGIS?

I have a set of geospatial data, lines (streets) in geojson and shp file format which which i want to convert to PBF (Protocolbuffer Binary Format). I am presently working with QGIS. Please does ...
3
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2answers
399 views

Need a vector format that is editable in QGIS and supports >10 character column names

For reasons, I need to create a new column in a vector shapefile with a name longer than 10 characters, and export to mapinfo TAB format. I know .shp's don't support >10 character column names, so I'...
7
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1answer
2k views

When saving a .qgs file in QGIS, another appears. Is this a backup?

When saving a project file (.qgs), which when executed is automatically loaded with qgis.bat, there's another .qgs file which appears in the same directory of the original project file, although this ...
11
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3answers
4k views

Advantage(s) of using underscores in ArcGIS file naming conventions?

In an introductory GIS course, it was insisted that all spaces within file and folder names be replaced with underscores. Why is this taught? Is there a clear benefit of doing so?
1
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1answer
386 views

Alternatives to GeoRSS for time-sensitive point data

I'm looking for a suitable data format for various organisations to publish point data with a recent time component, like events, road closures, etc. GeoRSS is the obvious candidate but: It's XML, ...
2
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0answers
381 views

What are the top 5 file types for 3D model?

I don't know much about GIS but I'm investigating a project that requires a 3D model of a hilly large town (town centre, suburbs, golfcourse, etc.). I'm not certain which file-type of these ...
15
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4answers
4k views
1
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1answer
727 views

Can a SD file format be opened in QGIS?

I downliaded a SD file from here: http://portal.emodnet-hydrography.eu/geographic-grid How can I open it in QGIS?
2
votes
1answer
218 views

Coordinate system doesn't contain values in the range -180 to 180 and -90 to 90

I'm creating an android version of a PC program (I've contacted the company who owns the PC program, so it's legal). The program is in the core a GPS, but is used to navigate pre-defined routes for ...
5
votes
3answers
3k views

What is a simple binary raster storage format which ArcGIS can read?

I have a C++ program that manipulates raster digital elevation models. I have been using ArcGrid ASCII format for results. It is simple to code and gets the job done, but it necessitates a decimal ...
2
votes
2answers
4k views

Converting LANDSAT-8 TIFF to matrix, data frame, or SpatialGridDataFrame formates

I need to correct the reflectance values of LANDSAT-8 data for steep terrain and find it too tedious and clunky in ArcGIS. The data I have is: LANSDAT-8 DEM (ASTER) Slope and aspect (Derived using DEM ...
5
votes
3answers
663 views

In what data format should I export a (lat,long,alt) or (x,y,z) grid to be compatible with the largest number of GIS software?

I am new to GIS and developing an application that generates a 3D grid with (latitude, longitude, elevation) or (x, y, z) metric triplets, and I would like to add an exporting feature that ensures ...
3
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0answers
165 views

How to view Esri GRID format file in wxpython file browse window? [closed]

I'm trying to browse for all kinds of vector and raster data using a filebrowsebutton. The problem is I don't know how to let the browse window see the Esri GRID files (which contains a folder and a ...
1
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0answers
268 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 ...
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0answers
24 views

Where can I find the format specification for LSLIFF data?

I have an LSLIFF file which should contain some map contour data, and I want to write a renderer for it, but to do that I need to understand the file format. A preliminary search has not turned up ...
1
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1answer
3k views

Converting ERDAS (*.img) file into headerless binary file?

I am having trouble converting an ERDAS (*.img) file into a headerless binary file. I want to use those images in the TIMESAT program. I'm trying to do this in IDRISI 32 but there is an error ...
6
votes
4answers
847 views

Is there a universal map/ layer format?

Just wondering if there is a universal map format that all GIS software can read. ie to quickly share layers with all our partner agencies which have different GIS Software, rather than have to ...
0
votes
1answer
815 views

3D Raster's and Geosoft Montaj/Target, Leapfrog, GoCAD [closed]

I'm trying to figure out what the best format to serve 3D images inside our company. Specifically georeferenced Tiff's that have been placed in 3d space with Geosoft Montaj. We use ArcMAP ...
0
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1answer
564 views

Error open KMZ file from Oregon 650t Garmin

This is similar to this Previous post however; it does not mention about dpi or resolution to save a good quality image with very limited kmz files to be use for Garmin? What is the dpi when do you ...
2
votes
2answers
114 views

Help opening GIS files [closed]

I was given 8 files that supposedly contain GIS data. They appear to be a file split into parts and are named: "stuff.zip [1_8].dat" , "stuff.zip [2_8].dat" , etc.. I tried stripping the ".dat" but ...
0
votes
2answers
497 views

Any plans to change GP toolbox format (.tbx file) to text-based format?

Have you heard if esri has any plans to change GP toolbox format (.tbx file) to text-based format in future? The issue is that we can't track changes in binary tbx file using source control system. ...
1
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1answer
379 views

Which software converts TIFF to TJP (Tiled Jpeg)?

I have Tiff images and I need to export it to Tiled Jpeg. I don't know which software converts TIFF to TJP. Can anyone kindly tell me the name of the software which converts? Thanks
2
votes
1answer
114 views

Was possibility to mix shape types in shapefiles (.shp) planned for?

For those who have in-depth knowledge of the definition of shapefiles and their file structure ... Why is each and every record header followed by the shape type of the record/shape when, by ...
3
votes
1answer
516 views

Is it possible to insert note to remember the info of a project?

Sometimes I need to open an old project, and mostly I remember how it works (i.e. the structure, the formatting and so on) but sometimes not. At other times I open a project composed by a colleague ...
1
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0answers
45 views

Display Dolfin XML in Web Browser?

I got a mesh as Dolfin XML and would like to know if there is anybody that had some experiences with the web visualisation of it. Is it possible to convert in X3D?
0
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2answers
245 views

Add waypoints to ArcMap using GPSBabel

I've been trying to add waypoints to Arcmap for some while now. I have a Mac OS X 10.6.8 and have finally found GPSBabel that is compatible with mac. My current problem is to convert the waypoints ...
0
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0answers
573 views

Maxent out of bound error?

I selected my climate data from wordclim ( tile 29 ) and then used QGis to convert the data to .asc format . My occurrence data is in degree decimal.But when I run Maxent on any layer it says that the ...
1
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0answers
117 views

What is the best way to handle geometries between Python functions?

What is the best way to handle geometries between different Python functions? For example: I have a function that exports a line from grass.script. The line will be a parameter of another function ...
3
votes
2answers
270 views

What is the best plain text format for georeferenced raster data?

I have to translate satellite images in a file in .txt format or another, such as Excel or .csv, in which there are pixel values corresponding to (longitude,latitude) couples. What is the best file ...
0
votes
1answer
200 views

Issue with `-sds` naming convention in gdal_translate

I'm converting ~100 .hdf files to .tiff using gdal and getting some unfortunate naming conventions when using -sds for %A in ("...\*.hdf") do gdal_translate -of GTiff -sds "%A" "%A.tiff" However, it ...
1
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1answer
5k views

DTED Level 3, 4 or 5

Does the specification for DTED 0 - 2 also apply to 3 - 5? I know the finest resolution supported by spec MIL-PRF-89020B is 0.1 arc-seconds which I think would barely cover up through DTED level 4, ...
4
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3answers
932 views

Which data formats can store Bézier curves?

I've heard that ESRI .gdb can. Are there other databases or file formats that can as well?
1
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1answer
1k views

Import GPS data (text documents files) to QGis

I want to import GPS data (text document files) in to Qgis, what file format are you suppose to use ?