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

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0
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0answers
13 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 ...
1
vote
2answers
891 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
86 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, ...
68
votes
20answers
58k 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
790 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
283 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
15 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
3answers
37 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 ...
2
votes
1answer
143 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
75 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
222 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
77 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
50 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
26 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
4k 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 ...
3
votes
1answer
69 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
29 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
96 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
97 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 ...
20
votes
5answers
36k 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
2k views
1
vote
1answer
89 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
125 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
110 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
1k 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
16 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
481 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
445 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
125 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 ...
0
votes
0answers
28 views

File format to describe road network in text format (similar to KML)

I would like to know if there is some text file format similar to KML (collections of LineStrings, etc.), but describing the connectivity of a road network. Edges would be represented by polylines, ...
2
votes
0answers
102 views

Convert from GeoTiff to SVG

Basically, the title says it all: I have a customer who can only export structured map data as a GeoTiff file. My job is to convert this file into proper SVG. How can this be done? I have googled ...
10
votes
2answers
3k views

Grid vs TIF vs IMG

As the title suggests both of the above three formats are raster files. In ArcGIS, apparently there's no difference between them. So what's the difference between these three formats?
3
votes
0answers
389 views

How to save geopackage gpkg file with QGIS

I read about the new geopackage file which shall have the potential to be the shapefile of the future. But i can't find a way to save a file in QGIS as gpkg. In ArcGIS it might be possible. I would ...
0
votes
0answers
40 views

How to write a UNIX ANSI text file under windows by IDL

I want to use openw in IDL to write a UNIX ANSI text file under windows. But the result are always in the format of PC UTF-8. Does some one know how to solve this issue? Thanks!
5
votes
3answers
1k views

Can we merge shapefiles with different geometries (point and polygon) to get a single layer which shows both 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.
4
votes
2answers
2k views

How to read this GRIB data [closed]

on this open FTP server (ftp://ftpdatos.aemet.es/modelos_numericos/hirlam005_peninsula/) you can find HIRLAM models from the Spanish meteorological service. The documentation in the LEEME files (in ...
1
vote
0answers
55 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 ...
1
vote
0answers
15 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 ...
2
votes
0answers
351 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, ...
1
vote
1answer
562 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?
1
vote
1answer
1k 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
594 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 ...
4
votes
0answers
183 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, ...
0
votes
1answer
44 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 ...
0
votes
1answer
729 views

Lowrance sl2 format… is it GIS data and/or can it be made into GIS data

I have been asked to investigate if Lowrance SL2 (side-scan sonar) format can be put into maps for reports. As I understand it the SL2 format comprises 3 "bands" left-down-right and is more of a ...
5
votes
3answers
609 views

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?
4
votes
1answer
110 views

Comparison of vector file formats

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, ...
0
votes
1answer
334 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
votes
1answer
176 views

file formats to represent georeferenced 3D data

I am looking for an overview of file formats that can store geo-referenced 3D geometries. There are no further requirements such as texture support, etc. I have found the following formats so far and ...