The American Standard Code for Information Interchange (ASCII) is a character encoding scheme for text representation in computers. For questions about .asc files, use the [esri-ascii-raster] tag instead.

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181 views

Export attribute table values to CSV

I am getting false parsing and un-necessary quotes for 3 numeric fields when exporting table to ascii (CSV). Items are all DOUBLE. "675,654","5,567,000" is the resulting export format which should be ....
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1answer
107 views

change projection in an ascii (x,y,z) file

I am having an ASCII file (lat,long,depth) in the Mars projection. I need this file to be converted into WGS-84 projection. How can I do the conversion for the ASCII files.
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1answer
183 views

How do I view ovl files on Geogrid or Top50 then convert the data to shapefiles?

I have some .ovl files which can only opened on Geogrid or Top50 viewer which shows me where everything is. How do I take these ovl files and convert the properties to Shapefiles to be used on ArcMap ...
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0answers
92 views

Using QGIS' “network protocol” to import data from OPeNDAP

After looking at the OPeNDAP documentation I assumed I could import data into QGIS by downloading the .ascii file OPeNDAP generates. However the downloaded OPeNDAP .ascii doesn't seem to be compatible ...
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0answers
383 views

Best method to convert CSV file of lat/lon and depth data to bathymetry polygon?

I'm trying to create bathymetry polygons based on lat/long and depth data. I have tried several methods and the resulting polygons are clunky. Make XY Event Layer-->Copy Features--> Project--> ...
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0answers
102 views

My QGIS keeps me returning “ascii” errors

First, whenever I open QGIS, the extension "Quickmap Services" returns an error with this tracker: Impossible to load the extension quick_map_services because of an error on calling InitGui() method ...
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0answers
51 views

Handling warning about DX and DY in gdal_translate from .Gtiff to .ASC?

When I try to convert Gtiff to .asc file, QGIS shows the warning: Producing Golden Surfer style file with DX and DY instead of CELL SIZE since the input pixels are non-square. Use the FORCE CELL SIZE ...
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0answers
57 views

Extra white space in ASCII file due to Translate GDAL from QGIS Modeler

Could anyone enlighten me why do I get an extra white space in from of my first column in an ASCII file generated through a model? With ArcGIS it doesn't happen. Output raster type: Int32 Output size:...
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0answers
192 views

Converting *.asc to *.shp without using ArcGIS for Desktop or QGIS?

I am trying to perform file conversion programmatically, using C#. I have read the ESRI Shapefile Technical Description (An ESRI White Paper—July 1998). I cannot calculate records for *.shp file ...
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0answers
121 views

How can I get a .asc file to load into QGIS?

I got some files from an ag plane that are in ASCII format. I cannot seem to be able to get them to load into QGIS without the This is a link to the file I am trying to use. https://drive.google....
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0answers
565 views

How to convert shapefiles into ascii grid .asc in QGIS?

I downloaded multiple zips that cover a small island from the Rhode Island Geographic Information System webpage, specifically the geographic files that make up Block Island. Here's the source: http:/...
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0answers
123 views

Maxent output clips to minimum extent of all input variables

I am experiencing an issue with the spatial extent of my output ASC files. I am using the UK Land Cover Map (LCM) 2007 at 25 metres resolution as a categorical variable in my Maxent modelling, ...
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0answers
918 views

How to use paths with non ASCII characters for subprocess calls with ArcGIS

I know that it is possible to create calls using unicode character encoding like \xf8 for non ASCII characters but how do I do it writing a path in a script just like: 'e:\gis\python_ø\notepad.exe' ...
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0answers
109 views

How to export raster into ascii without losing the statistics?

I had a problem in Mike Urban with a difference between a DEM (Digital Elevation Model) and a 2D overflood model and the support group requested me to remove the difference because the problems were ...
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0answers
17 views

How to resolve issue with model output in degrees and ASCII format cell size in meters when converting to a raster?

I am new to using Arc. I have data from a model output where each grid cell is 1/16 of a degree resolution. I have put the data into ASCII text format, however the header for ASCII under "cell size" ...
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0answers
26 views

Combine latitude, longitude and value ascii files

I have three ascii files of latitude, longitude and value. How to combine these three ascii files into a single raster of GTiff format?
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0answers
17 views

Specifying column to use in gdal_translate

I am using gdal_translate to convert a tiff file to ascii. The tiff file is a raster with several columns in the attribute table. How do I specify to gdal_translate, which column to use for creating ...
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0answers
92 views

Bi-Weekly NDVI data into monthly Datasets

I have NDVI data in both Ascii Grid format (0.250 degrees resolution) and raster format twice a month like: ndvi1981_07a ndvi1981_07b I would like to combine these bi-weekly values (average) into ...
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0answers
271 views

How to create .dem file in QGIS?

I have an elevation data in .asc file, but need to convert it to .dem file to later use in COMSOL. However, in Raster--> Analyzes-->DEM I got just error message: ERROR 1: DEM Default Setup: Importing ...
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286 views

Maxent out of bound error?

I selected my climate data from wordclim ( tile 29 ) and then used QGis to convert the data to .asc format . My occurrence data is in degree decimal.But when I run Maxent on any layer it says that the ...