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Questions tagged [esri-grid-format]

Use for questions about the Esri Grid format (which may be recognised by its *.adf files)

21 questions with no upvoted or accepted answers
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3 votes
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Extra row and column in a raster after GDAL grid import

I'm exporting an ESRI grid to TIFF format and after that I'm reading this exported raster file into SAGA GIS. However when Saga reads this file in there appears to be an additional row and column in ...
reima's user avatar
  • 638
3 votes
0 answers
131 views

simple raster format to use in Web applications?

I'm building a Web application in which users create and edit very coarse raster data. They're assigning values to cells in a georeferenced grid. Right now I'm storing the values in a multidimensional ...
Drew Dara-Abrams's user avatar
2 votes
0 answers
242 views

Problems with latitude/longitude grid in QGIS 2

I try to produce a thematic map in QGIS, like this one done in MapInfo: I want to do this in QGIS. I work in projection "Albers-Siberia" projection ( PROJ.4: +proj=aea +lat_1=52 +lat_2=64 +lat_0=0 +...
Владимир Кузовкин's user avatar
2 votes
0 answers
137 views

Numpy Array to ArcGIS GRID gives dimensional error with masked array

I have an 84x73 masked numpy array to load into ArcGIS (version 10.3.1, Windows 8.1). To overcome the fact that Masked Numpy arrays cannot be saved to .npy file as of yet, I am saving my array from ...
FaCoffee's user avatar
  • 823
2 votes
0 answers
167 views

Researching into the nuts and bolts of displaying ESRI Grids in QGIS

I am trying to load an Arc/Info Binary Grid into QGIS 2.2.0 Valmiera installed in OS Windows 8.0. As far as I know, I only need to load the "w001001.adf" file contained in the "altitud" folder while ...
Luciano La Sala's user avatar
2 votes
0 answers
1k views

Downloading NED Data: GridFloat versus IMG versus ESRI Grid (ArcGrid)

What are the advantages/disadvantages of each of these three file types? They are all available as formats for downloading NED data from The National Map. Which should generally be downloaded for ...
traggatmot's user avatar
  • 2,100
2 votes
1 answer
398 views

Moving Esri grid format and info folder inside working directory using ArcPy?

Using the below code, I want to extract a new raster from an original raster using value field and I want to automate the process for 70 more rasters. However, for testing purpose, I'm using only 3 ...
Inception's user avatar
  • 333
2 votes
0 answers
65 views

Using pyqgis with existing ArcGIS files

I'm pretty new to GIS. I have some files that seem to have been created using ArcGIS (I got them from here http://www.fao.org/ag/againfo/resources/en/glw/GLW_dens.html). I would like to do some ...
Pacopag's user avatar
  • 29
1 vote
0 answers
178 views

Newer ESRI software not able to read legacy ESRI grids created with ArcHydro

I'm trying to migrate older data generated using the ArcHydro (when it was standalone plugin that you could add to ArcMap). The data are standard hydrological raster products (flow direction, stream ...
Ben Vining's user avatar
1 vote
0 answers
178 views

Trim the grid in boundaries of a shapefile

I have extracted the London Shapefile from https://data.gov.uk/dataset/6cdebf5d-c69b-4480-8c9c-53ab8a816b9d/statistical-gis-boundary-files-for-london and uploaded London_Borough_Excluding_MHW.shp in ...
EricA's user avatar
  • 143
1 vote
0 answers
294 views

Aligning multiple images with different spatial resolutions

I am using 2 different satellite images that have different spatial resolutions. One of them has 1 degree and other has 0.25 degree resolution. I want to subtract one image from another. So I should ...
Gokhan's user avatar
  • 11
1 vote
0 answers
234 views

Extract info from adf file into json

I have a .adf file which contains altitude data. Is it possible to read and convert this file in JSON format for a next loading on mongoDB? My directory structure is: SRTM_1km_GRD | --- info ...
Alessio Frabotta's user avatar
1 vote
0 answers
114 views

Unable to load Arc Binary Grids in QGIS

I have a single band 32-bit integer Arc Binary Grid. Using QGIS 2.12.3, when I try to add this Grid, it is listed in the table of contents, but nothing shows in the map window. To add the Grid, I use ...
Stu Smith's user avatar
  • 8,140
1 vote
0 answers
706 views

Converting *.adf files to *.xyz for XPSWMM?

i am trying to convert adf files to xyz files in order to import them to XPSWMM. i also need the elevation values. however, when i use QGIS to translate the raster files (adf files) to xyz these ...
mark92's user avatar
  • 11
0 votes
1 answer
316 views

Linking attribute table with a tif in R

I have a TIFF output from FRAGSTATS along with an attribute table with different variables. I'd like to add this to R with the end goal of extracting a map of each variable from the attribute table so ...
Buffy Smith's user avatar
0 votes
0 answers
122 views

Creating Rasyer object from .adf file using ArcPy gives ERROR 000732

I am trying to use Raster class in Arcpy, to create a raster object from a .adf file My folder contains all the related .adf files but I am unsure how can I "point" the correct one to create the ...
GeoF's user avatar
  • 391
0 votes
0 answers
509 views

Converting shapefile to .grd file?

I am new in ArcMap while using R Crisis software. I need to convert a shapefile into a .grd file. I read back the previous questions and answer and tried to execute and pop up that it was ...
Warda's user avatar
  • 1
0 votes
0 answers
82 views

Batch Importing 3.0ft Esri Grid to QGIS?

How to batch import Esri Grid files to QGIS? I have received Bare Earth DEM files for a large swath of land. Each file has a unique identifier referencing a certain ESRI grid (eg. be_ef_001,...
Dan Kaler's user avatar
0 votes
0 answers
1k views

Extracting information from Esri Grid Format (ADF) file using R?

I have an adf file that has a variety of "attribute" or field layers, and I am trying to extract one layer from that adf file, and convert it to a tiff image for further processing in python. Here is ...
user1738753's user avatar
0 votes
0 answers
127 views

How do Arc Grids and file geodatabase rasters differ?

I know that they are stored differently, but I'm interested in comparisons such as storage capabilities, access speed and data types. I've searched the web but haven't found any such technical ...
Stu Smith's user avatar
  • 8,140
0 votes
1 answer
158 views

How to create grid/fishnet based on the cell resolution of a raster

I am interested in using water quality stations that are distributed throughout the Chesapeake Bay to attempt to explain waterbird distribution. For the sake of this question, we are only focused on ...
Devin Mendez's user avatar