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

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3
votes
2answers
402 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
5
votes
2answers
3k views

How to open the Electronic nautical chart S-57 data?

Anyone know how to open the Electronic nautical chart S-57 data by using GIS software e.g. Arcview, QGIS? and converted it to general GIS / CAD formats.
0
votes
0answers
6 views

What is required for representing a obstracle in AIXM format for aviation

I am trying to figure out what the requirements are for delivering obstacles or obstructions in AIXM for aviation. I currently have all penetrations in a geotiff files from subtracting surfaces that ...
1
vote
1answer
659 views

How to open .bds file in qgis

I have a Land Registry boundary file which is in .bds (Base Dataset) format, a native file format in Cadcorp SIS. I want to open this file in QGIS. Is it possible, or do I have to do any conversions?
8
votes
2answers
2k 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 ...
2
votes
2answers
7k 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 ...
0
votes
0answers
3 views

Is there any publication about TIN MDE file formats like ESRI TIN or ITF?

I would like to cite in my thesis how GIS software deal with TINs both via files and in the memory during execution. Any scientific or technical publication about GIS file formats would be helpfull. ...
3
votes
4answers
162 views

List of GDAL raster file extensions

I am trying to compile a list of file extensions that are accepted by GDAL, something like ['.tif', '.png', '.jpg', '.jpeg', ...] I found a list of GDAL Raster file formats, but the values in the ...
1
vote
2answers
56 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
votes
2answers
53 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
votes
1answer
100 views

Viewing point clouds in bpf format?

Is there any software that can be used to view point clouds in bpf format? My preference is for free software that has low-learning curve for quick visualizations. Currently, I convert bpf to las ...
2
votes
3answers
67 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 ...
1
vote
0answers
29 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
votes
1answer
573 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, ...
4
votes
0answers
28 views

What's the binary format of ENVI (Classic) ROIs?

I'm a (lonely) Pythonist in an office full of ENVI/IDL users. I've created some tools to help bridge the gap, but one big stumbling block is ENVI Classic .roi files, which my colleagues use a lot. I ...
5
votes
0answers
235 views

How do I parse the file format for attributes in Raster Product Format (RPF) maps and imagery?

I'm trying to implement an open-source NITF reader (using only java, no external libraries such as GDAL or NITRO), and its mostly going OK. However I'm having trouble understanding the RPF extensions, ...
3
votes
2answers
181 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 ...
0
votes
0answers
37 views

Do raster pixel depth & format transformations using copy raster and mosaic to new raster tools affect my initial data?

Do pixel depth transformation (for example from 8Bit to 16Bit) and format transformation (from .TIFF to .ASC) interfere with the original pixel value?
17
votes
7answers
2k views

Speed of various raster data formats

I'm having trouble locating any discussion or comparative benchmarking of different raster file formats (e.g., for use in data analysis in R). Does anybody have any insight into why particular formats ...
4
votes
1answer
2k 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 ...
1
vote
0answers
53 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 ...
2
votes
2answers
1k 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
vote
2answers
106 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, ...
74
votes
20answers
65k views

How to convert between KML and Esri's shapefile (SHP) format?

My users are sending me point data that were digitized using GoogleEarth. How can I convert their KML to a shapefile?
14
votes
5answers
869 views

Most pervasive GIS formats?

Where can one found out what the most pervasive GIS formats are? For example, from the GIS file formats Wikipedia page, there 4 broad categories, each with many popular formats. Raster formats (13 ...
3
votes
2answers
294 views

File format (preferably open) for defining web service endpoints for ArcGIS Desktop?

Aside from .LYR files, is there a file format (preferably open) for defining web service endpoints for ArcGIS Desktop? For example, if I publish a WMS feed, can I provide a downloadable resource for ...
1
vote
2answers
41 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 : ...
2
votes
2answers
81 views

Format for viewing vector files offline and mobile

I wish to create a custom mobile application for Android and/or iOS for a school project that will allow a user to view (not edit, just view) specified ESRI shapefiles while offline. Shapefiles at ...
3
votes
1answer
190 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 ...
1
vote
2answers
111 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 ...
1
vote
2answers
566 views

Write GeoJson into a .geojson file with Python

I want to write a geosjon object with the type <class 'geojson.feature.Feature'> into a .geosjon file. Therefore I tried to use with open(test.geosjon, 'w') as outfile: ...
3
votes
2answers
116 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 ...
0
votes
1answer
84 views

Modify File Name with Python

How would I change the following code (outJPEG section) if d like to have the original attribute table name (eg Adress) and the attribute fieldname (eg ZipCode) as file name? (Adress_ZipCode) The ...
0
votes
0answers
28 views

What format are raster data files with data, db, overpict, vect, and WMS folders?

I have a type of GIS data but I don't know what is this type or how to open them. My data are formed by 5 folders: data, db, overpict, vect, and WMS. The main folder (I think) is the first one; it ...
9
votes
3answers
5k views

How can I transform a georeferenced JPG to a georeferenced TIF?

I have an georeferenced JPG file and a JGW file containing the coordinates. How can I transform it to a georeferenced TIF file and a TFW file? I have tried to save the JPG file as an TIF file in ...
4
votes
1answer
133 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 ...
10
votes
3answers
2k 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
vote
1answer
49 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, ...
0
votes
0answers
213 views

Download WFS as Shapefile using ArcGIS Server

I've been looking everywhere for a way to output a shapefile in ArcServer. A sample ArcServer WFS getCapabilities says all the output is either in GML, KML, or JSON. This is is very easy using ...
0
votes
0answers
120 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 ...
23
votes
5answers
44k views

Can I convert a kmz file to kml?

I have a kmz file. Is there an easy way to convert it to KML? Can I just "unzip"?
14
votes
4answers
3k views
1
vote
1answer
138 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
143 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 ...
1
vote
0answers
198 views

Format of raw LiDAR data (ToF data)

I am doing a project where I need to simulate LIDAR data, and I am looking for specifications on how raw LIDAR data looks. I want the format of the data before it is translated to x,y,z coordinates ...
5
votes
3answers
2k 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 ...
0
votes
0answers
27 views

Is ECRG and CGM data able to be served to Sharepoint Arcgis webpart from Arcgis server

We have a customer with data in CGM and ECRG file format. They have Arcgis server and Arcgis webpart for sharepoint 2010 installed. Is it possible for them to host these ECRG and CGM files in the ...
2
votes
2answers
812 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
479 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
votes
0answers
133 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 ...