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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Losing data from ASCII file converted from Raster

Over the past six weeks I've been attempting to create a grid box for a multiple scenario approach model. I felt the best way to do this was to download some SRTM tif files for my location. The ...
3
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1answer
20 views

ASCII Raster Statistics?

I have downloaded the following precipitation data in .nc4 format(attached). I have opened the 'PRECIPITATION' variable in the file in QGIS and I have made a note of its statistics. As working with nc ...
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0answers
20 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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1answer
30 views

How to prepare so many raster data into one ascii format [closed]

I have a number of spatial data on which I will like to perform an econometric analysis. The data include land use data, soil data, population data and so on which are all in raster format. I need to ...
2
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1answer
34 views

Determining CRS from ASCII file?

It is possible to know the CRS from an ascii file? The information I have about it in the heading of the ascii file is the x and y corners: xllcorner -10,000416206603 yllcorner 34,...
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1answer
43 views

Creating an elevation profile along a KML road based on ASC files

I want to make the elevation profile of a road in KML. I've found this online tool but its does not gives accurate elevations. I already have .asc files of the whole area that includes the KML route ...
4
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0answers
56 views

Why do first returns have more blanks than last returns in LiDAR data? [closed]

I'm working on an ASCII LiDAR file that has the first and last pulse returns included. Can anyone tell me why a first pulse return may come back with more blank spaces in the data than a last pulse ...
3
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1answer
108 views

QGIS 2.14 Couldn't load plugin 'processing' due to an error when calling its classFactory() method

I understand that my problem originates from the letters in my username which apparently are non-ascii and very Nordic. I just have absolutely no clue how to get around this. I'm on Windows 10 64bit ...
2
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1answer
35 views

How to maintain data in attribute table when importing ASCII file to ArcMap

I am very new to using ArcGIS. I have an Excel sheet with data in it where each cell represents a grid from a model output and contains a value (eg. amount of precipitation in that grid cell from the ...
3
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1answer
149 views

QGIS 2.14 Plugin Encoding Error

I've developed a plugin for QGIS 2.12 which uses data that is encoded in UTF-8. The plugin works fine for 2.12, but when I try to start it in QGIS 2.14 it throws me the following error: ...
4
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1answer
124 views

Importing LAS files in QGIS with LAStools gives an 'ascii encode error'

I'm new to QGIS environment and I am trying to load LAS files into QGIS with lasground but when I run the following process an error occurs: 'ascii' codec can't encode character u'\u0105' in ...
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0answers
28 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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2answers
96 views

XyTools QGIS plugin for attribute export

I want to export an attribute table to Excel. I see XyTools is used for that (is there another plugin?). Since I installed QGIS from OSGeo4W, I have the required library. However, when I tell XyTools ...
2
votes
3answers
280 views

ASCII file with latitude, longitude and data to GeoTiff using Python

I have a .asc file with three columns of data: longitude, latitude and a data value. Each latitude and longitude point represents the location of a centriod of a 1/8 degree unprojected grid. I want ...
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0answers
18 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
140 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 ...
2
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1answer
117 views

Importing xyz text ascii GPS time-series for velocity visualization using QGIS?

How i can import text ascii xyz gps time-series in QGIS for velocity visualization? Example xyz MLBU 07SEP17 2007.7098 -0.119998752351520E+07 0.626106994328102E+07 -0.199557178074915E+06 0....
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0answers
21 views

UK Environment Agency Lidar data [duplicate]

I have recently downloaded LIDAR data from the Environment Agency website in the form of asc file. In order to perform some viewshed analysis do I have to convert these files into a raster file and ...
3
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1answer
52 views

Assigning spatial info for NetCDF files using ArcGIS for Desktop?

I have quite a few NetCDF files that arrive from a air quality model without any spatial reference. However, I do have the spatial reference information that is required. Within Arc I use "make a ...
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0answers
57 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
60 views

Raster to ascii tool converting all data to one value (ArcMap) [closed]

I am having an issue when converting a raster to ascii. With extract by mask I have selected the area I am interested in and subsequently resampled the data from 5km to 2 by 2 m (required for use in ...
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1answer
49 views

How to create a map from separate ascii files without merging them?

I have three ascii files including longitudes, latitudes and pixel values. I just wonder whether there is anyway to display a map from the three files and save it in geotiff without merging them into ...
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1answer
199 views

convert dbf file to txt file using arcpy

I have a series of dBase files and I'd like to convert them to text files Anyone can help me? I've tried table to table, doesn't seem to work. The idea is to get ASCII files so I can do further ...
3
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0answers
97 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
58 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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1answer
42 views

Exporting output in ASCII from a QGIS model

I'm trying to find a geoalgorithm in QGIS's Graphical Modeler that can convert and export a vector to ASCII. Could anyone enlighten me if there's an option for that? Perhaps through some script but I ...
1
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1answer
362 views

Is it possible to use non-printable characters as delimiter for text file layer in QGIS?

I am trying to import a Delimited Text File Layer from a .csv file in QGIS. Because this caused a lot of errors, I posted a question here and got the hint towards using ASCII non-printable control ...
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1answer
43 views

Properly placing my raster over a shapefile on my map

I have an ASCII file that I converted to a raster. My heading on the ASCII file is: NCOLS 156 NROWS 720 XLLCORNER -170989.3011812 m YLLCORNER 1417628.464462 m CELLSIZE 1 ...
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2answers
392 views

Convert x y coordinates to polyline shapefile

I am trying to process output from a model that simulates the movement of particles in groundwater. The program outputs the particle ID number, the x and y coordinates, and the time at which the ...
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1answer
490 views

Convert ASCII to Raster, then build attribute table

I recently obtained precipitation normals from the PRISM dataset online. I'm trying to import the ASCII files into ArcMap, but have stumbled across a few issues. 1) I converted the ASCII to raster. I ...
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1answer
214 views

How to create ASCII time-series files to make TSM_GUI in TIMESAT? [duplicate]

I would like to create TSM_GUI in TIMESAT, but as an input i have to choose ASCII time-series files, but I have only .tif images. How can i do that? Many thanks
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1answer
196 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
260 views

How to convert ASCII file to TIN where XY is YX in ArcGIS?

I have some ASCII files (you can download it from: http://analizasan.kvprojekty.pl/underwork/gisse/M3451Ca1.zip) that I would like to create TIN. First I used "ASCII3DToFeatureClass" tool to create ...
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1answer
90 views

National Bridge Inventory (NBI) data coordinate system

I am trying to import the National Bridge Inventory Lat/Long data into ArcGIS. But when I do it with WGS 1984 Geographic coordinate system, they don't match with the base maps. I don't where I am ...
1
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1answer
174 views

Problems opening ASC files in QGIS

I am trying to open an .asc file (pick, for example, that one for 2014) from the German Federal Ministry of Transport and Digital Infrastructure. It contains information on the annual solar radiation. ...
0
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1answer
111 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.
3
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1answer
105 views

How to read .asc format DEMs that have headers with #comments

I have around twenty 2 GB DEMs (xyz) in .asc format. The header has 13 lines of metadata, and then the basic data in three columns # # The DTM grid had lower left (southwest) corner coords: # X ...
4
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1answer
100 views

Importing LiDAR .txt in QGIS for map conversion

I have LiDAR data in .txt files (1000 to 26000 KB), where 2nd column marks x-coordinates, 3rd col y and 4th col z. 8 485000.16 6508997.48 1.84 66 Last 2 485001.27 6508998.92 1.86 82 Last 2 485001.02 ...
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1answer
737 views

how to convert ascii to .tiff in arcgis [closed]

I have a *.txt file which is a matrix, and I add the heading info. The tool called ASCII To Raster was used but the generated raster is not in *.tiff. How to solve this problem?
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1answer
187 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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1answer
1k views

Z-value missing in attribute table of shapefile from ASCII 3D to Feature Class?

i'm trying to convert some *.xyz files into shapefiles but unfortunately it does't work out correctly! I use the tool "ASCII 3D to Feature Class" (ArcMap extension "3D Analyst") because I've read this ...
4
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2answers
2k views

Creating DEM from geoTIFF or asciiGRID LiDAR data?

For a home project I want to 3D print an area from a map. I have downloaded a geoTIFF file and an asciiGRID file from the Tasmanian governments spatial program "TheList". The two files are here: ....
4
votes
1answer
301 views

Convert downloaded LiDAR info to DEM in GRASS

I have downloaded LiDAR information as a .asc file and a .tif file, and even though I have tried multiple methods to convert them to a dem I am having no luck. Grass GIS says there is an invalid ...
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0answers
213 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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2answers
711 views

Creating spatial Reference to ASCII file

I have produced ASCII files in MaxEnt. These files are able to be loaded into Arcmap10.1 and display as an image, but I cannot interpret them or create them into a polygon for further analysis. I have ...
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0answers
125 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....
5
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3answers
5k views

Create a Raster file out of a ASCII grid file?

im using a special system to do geomagnetic surveys. Its software let me output the information as image files, ASCII or in its own proprietary file format. Now i want to get its information in my GIS ...
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0answers
585 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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1answer
57 views

problem with viewing ASCII data files in ArcGIS

I have some problem viewing an ASCII file in a structured way in arcGIS. I have tried running this code but it seems problematic at least with me. I am unable to run this. I think the code needs ...
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0answers
125 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, ...