![]() No carriage returns are necessary at the end of each row in the ASCII file. NODATA_VALUE is the value that is to represent NoData cells.Ĭell values should be delimited by spaces. You can also use XLLCENTER and YLLCENTER to specify the origin by the coordinates of the center of the lower left cell. XLLCORNER and YLLCORNER are the coordinates of the lower left corner of the lower left cell. NCOLS and NROWS are the number of columns and rows in the raster defined by the ASCII file. The definitions of the keywords are as follows: The format of the file in general is: NCOLS xxx One identifies the origin by the coordinates of the lower left corner of the lower left cell, the other as the center of the lower left cell. There are two variations of the structure of the ASCII file. The structure of the ASCII file consists of header information containing a set of keywords, followed by cell values in row-major order. ![]() For most files you download from that website, there is a “More Info” link that can help you with that.The input file is an ASCII-formatted text file. If you downloaded your data from the GIS Data Depot (Geocommunity), you will probably need to get some metadata to make sense of what you are seeing. Often, however, ArcMap handles the conversion for you when you add the new layer. If so, try it anyway, but if things are misaligned, you may need to redefine the Geographic Coordinate System of your base map to match the new data. They may have names like “_annotation,” “_polygon,” and “_tic”ġ4) You want the “_polygon” file if your data is polygon data (or “_point” and “_polyline” and “_line”, accordingly.ġ5) In ArcMap, you may add the new “coverage” data your map normallyġ6) You may get a warning about mismatched projections. ![]() This file is a “coverage file” (an older name for shape file).ġ3) Inside the coverage file, You will find a number of things that look like shape files. The file will be exported as a “coverage” file setġ2) In ArcMap, “Add Data” and browse to the place you exported the converted. No spaces allowed in the file name!!!ġ1) Click OK. e00 file is).ġ0) Type in an “Output Name” for the converted file. ![]() e00 file) and select it.ĩ) Browse to the “Output Folder” where you want the converted files to be created (the default is to the folder where the. ![]() e00 file to a folder with no spaces anywhere in the path.ħ) Double-click “Import from E00” a conversion window will open.Ĩ) Browse to the “Input Interchange File” (the. NOTE: USE FOLDER and FILE NAMES WITH NO SPACES!ġ) Download the. e00 File Conversion (ArcInfo Interchange files) ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |