A standard way that information is encoded for storage in a computer file
5
votes
3answers
98 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
28 views
what are sketch vectors? [closed]
From http://www.tad.org/ftp_data/DataFiles/DIST2013.pdf:
The CSK1 format:
14 4 Ch Record_Type "CSK1"
18 3 N Seq_Num 000 – nnn one record per sketch per account
21 17 Ch Tax_Object_ID This consists ...
2
votes
2answers
43 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 ...
11
votes
3answers
857 views
Are the ESRI .lyr and .mxd data format specs published?
Are the binary formats of .lyr and .mxd files published?
1
vote
0answers
81 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 ...
4
votes
2answers
795 views
How to read this GRIB data
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 ...
0
votes
1answer
50 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.
1
vote
0answers
54 views
retrieve some info from GRIB2 file with JAVA
I've just started parsing some info inside GRIB2 file with NOAA weather forecast, and I am realizing this task is not as easy as I could think 'a priori'. I need to process some info inside JAVA ...
0
votes
0answers
28 views
ENVI Header (.hdr) Wavelength Units and NDV?
Two ENVI Header (.hdr) questions, so I wrapped them together:
Any resource for information on what valid parameters for 'wavelength unit' are? I see a reference to the parameter and the need for a ...
4
votes
2answers
129 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
90 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 ...
3
votes
3answers
75 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 ...
3
votes
2answers
42 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 ...
8
votes
2answers
1k 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
26 views
Suggestions for vector format for polygons
I am using two polygon tables in postgis (A and B ).
I need to make a vector file that incorporates information of the overlapped polygons B intersecting each polygon on (A).
I can make a single ...
