Questions tagged [file-formats]

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

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11
votes
4answers
14k 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 ...
1
vote
0answers
2k views

Opening .lpk in QGIS? [duplicate]

I am brand new to QGIS. I have downloaded the BLM's public land survey system from their website (https://catalog.data.gov/dataset/blm-national-public-land-survey-system-polygons), which has a file ...
-6
votes
1answer
397 views

GIS File format conversions [closed]

I want to code in python or any other language to create a software to convert the following files to each other: GeoJSON File; Tiff File; Shapefile; KML/KMZ File; Grid netCDF File; ESRI Grid ...
1
vote
1answer
79 views

Specifying a file extension for the file output using a script from the processing toolbox in QGIS

I'm looking to specify the file extension of the output file created by running my script from the processing toolbox. Currently, the user must type in the extension in themselves, which I would like ...
1
vote
3answers
117 views

Looking for a website to produce a file using UTM or LL or LL to UTM or general

Is there a website that allows me to upload my GPS file from UTM to lat and long to produce a new output file? I am looking for one to run a batch a list of UTM or LL to convert them in either way. ...
1
vote
1answer
50 views

android to qgis exchange data format

I need to create a qgis plugin to import dip and dip direction data from an android compass app into an (existing) bedding data layer. I need some suggestion about the best exchange file format; my ...
1
vote
1answer
758 views

Conversion of files to Mapsforge *.map format [closed]

I am a complete newbie and not a cartographer. I organize off-road events such as 4X4 trail rides, biking events and running events. Many of these trails/event maps have been created in different ...
0
votes
1answer
426 views

Modify File Name with Python

How would I change the following code (outJPEG section) if I'd like to have the original attribute table name (eg Adress) and the attribute field name (eg ZipCode) as file name? (Adress_ZipCode) The ...
17
votes
2answers
36k views

Understanding Esri's .asc file?

Reading the ArcGIS help: Supported raster dataset file formats, I read that ASCII Grid file types are addressed with the singular file extension .asc for both 16 bit signed-integer (for discrete data) ...
17
votes
1answer
1k views

The next big thing in standardized spatial data exchange format?

I remember reading something a few months back, in the latter half of 2012, about a coordinated group effort to design a new standard for sharing geographic / spatial data. It has or aims to have the ...
2
votes
2answers
68 views

Problems converting GTiff to PDS with gdal

I'm trying to convert a GTiff raster to a PDS raster (NASA Planetary Data System) using gdal_translate with this command: gdal_translate -of PDS -ot Float32 input.tif output.IMG But I get this ...
2
votes
1answer
2k views

Input data to Maxent niche modelling tool?

I have following question regarding the input format of files to Maxent. From here I downloaded the environmental layers but they are in tiff format and I guess the tool needs in asc format where ...
1
vote
0answers
51 views

Can LAS files be downgraded? [duplicate]

What is the best way, if any, to downgrade LAS files to an older version? LAS1.4 works well with ArcGIS 10.3.1, however our clients that are using ArcGIS 10.2.2 or earlier are unable to load LAS1.4 ...
3
votes
4answers
414 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 ...
4
votes
1answer
2k 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 ...
1
vote
0answers
109 views

Importing CGM format using QGIS

I would like to know is it possible to read or import a CGM file using QGISand also export other file format back to CGM using QGIS.(https://en.wikipedia.org/wiki/Computer_Graphics_Metafile) Is there ...
3
votes
0answers
323 views

What is a good way to retrieve geographic data along with images and mp3 files?

I'm working in the Django backend of an audio guide for tourism with mobile devices. Basically, the client (Phonegap app for Android and iOS) can follow a route over a map (Leaflet client) and see ...
11
votes
1answer
1k views

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

I'm a 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 can ...
7
votes
3answers
2k views

Seeking software for opening .img files?

I have some cpc precipitation data stored in IMG format. Could anyone suggest a software beside ERDAS imagine or Arcgis which can be freely downloaded?
3
votes
1answer
101 views

Opening DTI Wind Speed .asc files in QGIS?

I have found some open source data of mean wind speeds for the UK at 10m, 25m and 45m. I've shared the zip folder to my dropbox which you can download at: https://www.dropbox.com/sh/1sst2hh3x6y7csd/...
1
vote
1answer
540 views

Opening CTF and DAT files in ArcGIS for Desktop?

How does one open CTF and DAT files as listed here using ArcGIS 10.3? I looked for instructions on their WELCOME to the Geoscientific Database Guide website but there isn't much guidance.
3
votes
2answers
146 views

Seeking open vector format for long term GIS data storage in off-line repositories?

Many field sciences require data management plans for their research data that specify how the data will be submitted for archival storage. These data come from various devices and are often in ...
1
vote
1answer
95 views

How to use Windows Form ListBox DragDrop to retrieve path names from MXD Layers

I'm trying to make a tool with a feature can drag in raster layers from an mxd to the ListBox on a Windows Form and retrieve their file paths. So far I've found that the only format the layer can be ...
1
vote
1answer
46 views

What is GVW file format?

I am wondering what is the format of theses files: gvw http://tracking2016.vendeeglobe.org/gv5ip0/resources/weather/20161110-030000.gvw It is meant to store somehow the weather data but I can't ...
4
votes
1answer
307 views

Comparison of vector file formats? [closed]

Does anyone know of a chart or table that would explain the benefits / shortcomings of the different vector file formats, eg. .shp, .gml, .kml, .gdb. It seems that ESRI shape is still quite prolific, ...
-1
votes
1answer
430 views

What is the most size-efficient spatial file format for vector polygon data? [closed]

Surprised I couldn't find an answer to this on Google. For transferring a complete dataset (polygons, in vector form) in a single file, what is the most size-efficient file format?
2
votes
1answer
3k views

Format of raw LiDAR data (time-of-flight 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 and z ...
1
vote
0answers
960 views

Download WFS features as shapefile using ArcGIS Server

I've been looking everywhere for a way to output a shapefile in ArcServer. A sample ArcServer WFS GetCapabilities response says all the output is either in GML, KML, or JSON. This is is very easy ...
2
votes
1answer
5k views

What is *.pkinfo file?

What is a *.pkinfo file? Google Search results talk about Package Info files and how they contain map documents and layers, so I don't see how this is different from a .mpk file. I also have not ...
15
votes
5answers
2k views

Which data formats are best for Open Data distribution?

What are the pros and cons of different data formats (performance, file size, etc.) when considering open data distribution? Our organisation wants to publish data as open data. However, there is no ...
-1
votes
1answer
2k 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?
7
votes
3answers
6k views

Merging shapefiles with different geometries (point and polygon) to get single layer with multiple geometries?

I want to merge two shape files in which one is of point geometry type and other is polygon type in order to get a single layer containing both points and polygon in a single map.
1
vote
1answer
96 views

QGIS version of Arc's “ungenerate” command?

I'm attempting to export the coordinates of the vertices of a vector layer in QGIS 2.8.9-Wien. I need them to be in a specific format for a simulation program to load them. The documentation for ...
12
votes
0answers
624 views

Parsing 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, ...
18
votes
3answers
2k views

What is the wire format for Google's new vector map tiles?

Google recently released new vector cartography for their mobile maps. I'm curious if anyone here has any insight into the wire format they use for transmission? I've experimented with a few formats ...
7
votes
1answer
5k views

Can QGIS projects be opened in ArcGIS for Desktop?

I am about to start a project with a number of people for a nonprofit organization. I am wanting to create the files in QGIS, but some of the people that I am working with are city officials and might ...
12
votes
3answers
4k views

Where can I find country borders data in plain text format? (XML, JSON, CSV, etc)

I'm trying to obtain some data representing the borders of all countries in the world. This data doesn't have to be very precise, it is to draw the countries on a computer screen. I did a bit of ...
16
votes
5answers
1k views

Most pervasive GIS formats?

Where can one find 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 ...
1
vote
1answer
416 views

Syntax to load wkt or (x,y) formatted geometry from .csv files on PyQGIS

I'm trying to load some points through a vectorlayer on my QMainWindow, part of my pyqgis application. The code is: uri = 'file:///C:/Users/.../data/Targets_com.csv?delimiter=,&crs=epsg:4326&...
25
votes
7answers
5k 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 ...
1
vote
2answers
520 views

How to extract coherence and covariance matrices of TerraSAR-X data?

I have obtained quad-polarized level 1b TerraSAR-X data from DLR. When I tried to read the data using PolSARpro, I understood that it is only capable of reading SSC format But my data is in MGD (...
0
votes
1answer
70 views

Can GIS software be used to open .ulf files?

I was sent a .ulf file and I have been trying to open it using various software. I read at http://fileinfo.com/extension/ulf that this file can be open using gis software. Data file formatted in ...
-2
votes
1answer
78 views

Loading files in Whitebox GeoSpatial [closed]

I just discovered Whitebox geospatial but cannot figure out how to load or open a shapefile.
7
votes
5answers
2k 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 "...
0
votes
1answer
89 views

What has prevented a “better” format than shapefiles from being widely adopted? [closed]

Reading through this answer got me thinking: Why hasn't a better format than the shapefile been widely adopted? Shapefiles have (as I'm sure most of us have noticed) many annoying quirks, ...
1
vote
0answers
126 views

What is a good data structure and file format for describing road network geometry AND topology?

I am trying to emulate the road network from OSM or Google (or Waze, etc.) locally, so that I can run some algorithms on it. For that, I want to represent these roads as graphs, where each edge would ...
2
votes
1answer
248 views

How to digitize 3D geospatial data using FOSS applications

I need to digitize soil horizon data from photos to be later used in a 3-dimensional GIS workflow. For each photo I have DGPS coordinates of the top left and right corner and the depth of the profile....
2
votes
1answer
509 views

.DWG and .DGN will not drop in to ArcMap 10.2.2

I am attempting to bring in Microstation data (.DGN) into a working ArcMap file. Every time I attempt to drop the data in the map I get the following error message... (Error could not open the ...
3
votes
1answer
190 views

.MXD file shows as *.DOC file after upgrading machine with ArcGIS 10.3.1 for Desktop to Windows 10? [closed]

I created an .mxd file on a computer with an earlier version of Windows (I was at a college campus; not sure what version). Now, on a computer with Windows 10, the file appears as a Word .DOC and ...
5
votes
1answer
379 views

Location/format of inserted pictures used for marker symbols in ArcGIS Desktop?

I have an old mxd that uses several hundred custom made picture marker symbols. We don't know where the image files that were inserted as pictures marker symbols are, or what format they were in. We'...