ARIS ASCII Grid Reader for ArcGIS User`s Manual
Contents
1. 2 The automatic setup arisasciigrid exe needs to be executed by a user with administrative privileges The setup procedure checks if ArcGIS is installed and determines the installation directory Any necessary changes in configuration files for ArcGIS are carried out automatically 2 3 ArcGIS 9 3 and ArcGIS 9 3 1 In ArcGIS 9 3 and 9 3 1 disable the default asc e Open in ArcMap or ArcCatalog the menu Tools Options Select the tab Raster On this tab click button File Formats Uncheck the Arc Info ASCII GRID asc format Currently this will have no effect This is a bug being fixed by ESRI in ArcGIS 10 Raster File Formats Properties Jey Search Mode Search all files to Find valid raster formats this option takes time Search only files that match the following file extensions to find valid raster Formats Raster Formats Format Name File Extensions a ADRG Image img ADRG Legend log ADRG Overview ovr ArcInfo amp Space Imaging BIL bil ArcInfo amp Space Imaging BIP bip ArcInfo amp Space Imaging BSQ bsq O rc Info ASCII GRID asc Ascii Grid agr ARIS agr Ascii Grid aig ARIS aig M ascii Grid asc ARIS asc Ascii Grid grd ARIS grd ASRP or USRP Image img FA onan hmn Mi Advanced To disable the default asc format until the ESRI bug fix do the following e Inthe lt program files gt ArcGIS bin directory ma2. Reader work with ArcIMS It should work with ArcIMS version 4 0 1 or higher If you have version 4 0 1 you need to install the correct patch see http support esri com index cfm fa knowledgebase techarticles articleShow amp d 264 13 for details In ArcGIS 9 2 and higher default support has been added for ASCII grid Do still need the ARIS ASCII Grid Reader The default ASCII Grid support in ArcGIS 9 2 and higher shows the grid stretched between a theoretically minimum and maximum This usually results in a grey or black image The ARIS ASCII Grid Reader shows your grid stretched between the 10 ARIS ARIS ASCII Grid Reader for ArcGIS User s Manual minimum and maximum values in the ASCII Grid file and thus gives a realistic view of you grid In ArcGIS 9 2 default only asc is supported by ESRI The ARIS ASCII Grid Reader supports asc agr aig and grd In ArcGIS 9 3 and 9 3 1 asc does not show a realistic view of the grid Due to a bug in ArcGIS 9 3 and 9 3 1 disabling the Arc Info ASCII GRID asc does not have any effect ArcGIS still uses the ESRI reader for asc See chapter 2 for instructions to remove the default asc reader 11 ARIS ASCII Grid Reader for ArcGIS User s Manual 7 History This is the version history for the ARIS ASCII grid reader The version number can be found by locating the file asc di in a default ArcGIS installation this file should be in the folder C Program Files Comm
3. Systems Geographic Coordinate Systems World Just copy this file to the folder containing your ASCII grid and rename the copy to match the base name of the grid ARIS zO zO zO ARIS ARIS ASCII Grid Reader for ArcGIS User s Manual FAQ Only Administrator can see ASCII Grids Log in to your ordinary user account Then from the Start Menu choose Programs gt ARIS ASCII Grid Reader gt Install for current user installed the ASCII Grid Reader but ArcMap and ArcCatalog still don t see ASCII Grids There can be several reasons for ArcGIS not to recognize ASCII Grids some of which are You have Windows NT 4 0 There is an issue with that version of Windows that we haven t been able to work around yet In most cases it should work though Please contact us at helpdesk aris nl for more information Something went wrong during the installation You can try to run ArcMap or ArcCatalog as administrator once open at least one raster file then try again from your ordinary user account If it still doesn t work contact us at helpdesk aris nl If you have ArcGIS version 9 x you can try to manually install the ASCII Grid Reader locate asc dll on your filesystem and then use the menu Tools gt Options gt Raster gt File Formats to add it to ArcMap or ArcCatalog Some ASCII Grids work others don t why is that The ASCII Grid Reader currently only recognizes files that have a file extension asc g
4. ARIS ADVIESBURO VOOR RUIMTELIJKE INFORMATIE SYSTEMEN ARIS ASCII Grid Reader for ArcGIS User s Manual 16 February 2010 ARIS B V http www aris nl ARIS ASCII Grid Reader for ArcGIS User s Manual Table of contents ARIS 2 ARIS ASCII Grid Reader for ArcGIS User s Manual 1 Introduction The ARIS ASCII Grid Reader for ArcGIS makes it possible to view files in the ESRI ASCII Grid format in ArcCatalog and ArcMap without having to convert those files Spatial models which have been written outside of standard GIS applications i e written in C C or Fortran often use the ASCII Grid format for storing intermediate and or final results In order to view this data in ArcMap it is necessary to use ArcToolbox to perform a conversion from ASCII Grid to a native ESRI GRID This ESRI GRID can then be viewed in ArcMap Another option would be to use ArcObjects to perform the conversion in the background and show the result ARIS now has a solution which makes it possible to preview ASCII Grids directly and without conversion in ArcCatalog and to add them to ArcMap All the default raster operations in ArcMap for example the Raster Calculator can be applied to the ASCII Grid Using ASCII Grid files directly also improves overall performance compared to a background conversion Initially there is a time gain of about 50 several seconds for a raster of 500 000 cells if the same file is used again the gain is even bigge
5. ciiGrid Fi stgrid asc atloz ribgis E demo E msdownld tmp E program E tmp Q P project Q Data GB Database Connections EA Coordinate Systems amp Geocoding Services ep Internet Servers E Search Results H A A Preview Geography x Raster Dataset selected Figure 1 Preview of an ASCII Grid shown in ArcCatalog With the ARIS ASCII Grid Reader an ASCII Grid is automatically stretched between the low and high values within the grid ARIS 8 ARIS ASCII Grid Reader for ArcGIS User s Manual 5 Projections Projection information is passed to ArcMap and ArcCatalog if a projection file accompanies the ASCII grid Projection files should have the same name as the ASCII file but with a prj extension For instance if the ASCII grid is named myraster asc the projection file should be called myraster prj Both files should be placed in the same folder Even if all your data uses the same projection you can still add a projection file to the asciigrid since this will stop ArcMap from warning you that your raster doesn t contain projection information The easiest way to find a valid projection file is to browse the ArcGIS installation folder in the subfolder Coordinate Systems For instance the projection file for WGS 1984 can be found in C Program Files ArcG S Coordinate
6. e documentation in other documents for LICENSEE s own internal use only with the purpose of using or encouraging to use the PRODUCT Uses not permitted The LICENSEE shall not sell rent lease assign timeshare or transfer in whole or in part or provide unlicensed third parties access to prior or present versions of the PRODUCT any updates or the LICENSEE s rights under this AGREEMENT The LICENSEE shall not reverse engineer decompile or disassemble the PRODUCT or make any attempt to alter the license number and other license information shown in the about box The LICENSEE shall not remove or obscure any ARIS copyright or trademark notices The LICENSEE shall not make additional copies of the PRODUCT beyond what is laid down in the permitted uses section of this AGREEMENT The license granted by this AGREEMENT shall commence upon LICENSEE s receipt of the PRODUCT and shall continue until such time as the LICENSEE elects to discontinue the use of the PRODUCT ARIS terminates the agreement due to the LICENSEE s material breach of this AGREEMENT Upon termination of this AGREEMENT in either instance LICENSEE shall return to ARIS the PRODUCT and any whole or partial copies in any form The parties hereby agree that all provisions operating to protect the rights of ARIS shall remain in force should breach occur ARIS 14 ARIS ASCII Grid Reader for ArcGIS User s Manual Limited Warranty ARIS warrants
7. ke a backup copy of RasterFormats dat e Edit RasterFormats dat with Notepad or any other text editor e Remove the reference to asc this is the row that looks like lt e on y nm Arc Info ASCII GRID ex asc et ASC at 0x2f gt e Save RasterFormats dat and start ArcMap or ArcCatalog ARIS 4 ARIS ASCII Grid Reader for ArcGIS User s Manual 2 4 De installation De installation of the ASCII Grid Reader is straightforward but make sure you exit all ArcGIS applications before de installing the ASCII Grid Reader ARIS ARIS ASCII Grid Reader for ArcGIS User s Manual 3 Registration The distributed version of the ASCII Grid Reader is a fully functional version except that there is a reminder message shown each time you open an ASCII Grid file Reminder This is the trial version of ARIS Ascii Grid Reader for ArcGIS If you would like to purchase it press Buy Now If you already purchased this program and would like to enter the registration code press Enter Key OK button will be enabled in 4 seconds Pressing the Buy Now button will take you to our online store where you can order this product Note that you will need the hardware fingerprint of the computer where you want to install the tool shown in the dialog below appears when you press Enter Key After you complete your purchase a personal registration key will be sent to you by email Please store this key in a safe place Pressing the Ente
8. nt of license ARIS and its third party licensor s retain exclusive rights title and ownership of the copy of the PRODUCT licensed under this AGREEMENT and hereby grant to LICENSEE a personal non exclusive non transferable license to use the PRODUCT based on the terms and conditions of this AGREEMENT From the date of receipt the LICENSEE shall agree to make reasonable efforts to protect the PRODUCT from unauthorized use reproduction distribution or publication Copyright The PRODUCT is owned by ARIS and partly by its third party licensor s and is protected by Dutch copyright laws and subject to international laws treaties and or conventions The LICENSEE agrees not to export the PRODUCT into a country that does not have copyright laws that will protect ARIS s proprietary rights Permitted uses The LICENSEE may use the number of copies of the PRODUCT for which license fees have been paid on computer system s and or specific computer network s for the LICENSEE s own internal use The LICENSEE may install the number of copies of the PRODUCT for which license or update fees have been paid onto permanent storage device s on computer system s and or specific computer network s The LICENSEE may make one 1 copy of the PRODUCT for archival purposes only during the term of this AGREEMENT unless the right to make additional copies has been granted by ARIS to the LICENSEE in writing The LICENSEE may use parts of th
9. on Files ESRI Raster usrib NTx86 RasterFormats Right click on this file and choose Properties The Version tab contains version information Version Features First release Added support for grd and agr file name extensions Added support for projections in a prj file ArcGIS does not crash anymore when removing ASCII grids ArcGIS 9 1 does not disappear anymore when starting up with ASCII Grid Reader Solved the popup message flood occurring sometimes when starting an unregistered version of ASCII Grid Reader ArcGIS does not crash anymore when previewing a prj file Check on locked files when removing updating ASCII grid reader installation 2 0 1 Installation procedure support for installing with ArcGIS 9 2 Added support for aig file name extension 2 0 2 Documentation update for ArcGIS 9 3 and 9 3 1 ee ee ee e Y NNN Nha ARIS 12 ARIS ASCII Grid Reader for ArcGIS User s Manual 8 The ESRI ASCII Grid Format This description is taken from the ArcGIS Desktop documentation The ASCII file must consist of header information containing a set of keywords followed by cell values in row major order The file format is lt NCOLS xxx gt lt NROWS xxx gt lt XLLCENTER xxx XLLCORNER xxx gt lt YLLCENTER xxx YLLCORNER xxx gt lt CELLSIZE xxx gt NODATA_ VALUE xxx row 1 row 2 row n where xxx is a number and the keyword nodata_value is optional and defaults to 9999 Row 1 of the data is at the top of
10. r over 95 Also no temporary files are created whereas a conversion always produces a new file on the hard disk which need to be cleaned up after some time Floating point and integer type ASCII Grids are recognized automatically whereas ArcToolbox creates a floating point grid by default unless explicitly specified by the user An important difference between floating point and integer type rasters is that a Unique Value Classification is available for integer rasters The ARIS ASCII Grid Reader is implemented as a dll which once placed in the correct ArcGIS directory is used to identify files in the ASCII Grid format The ARIS ASCII Grid Reader can be used with any version of ArcGIS ArcView ArcEditor and Arclnfo version 8 0 or higher ARIS ARIS ASCII Grid Reader for ArcGIS User s Manual 2 Installation 2 1 ArcGIS 8 x Installation of the ASCII Grid Reader is accomplished with the following two steps 1 The automatic setup arisasciigrid exe needs to be executed by a user with administrative privileges The setup procedure checks if ArcGIS is installed and determines the installation directory Any necessary changes in configuration files for ArcGIS are carried out automatically 2 Using ArcGIS 8 x other users who want to use the ASCII Grid Reader will need to finish the setup procedure by clicking on the Start button and choosing Programs ARIS ASCII Grid Reader for ArcGIS Install for current user 2 2 ArcGIS 9
11. r Key button will present you with the following dialog where you must enter your name and the registration key Enter Key Enter the registration name and key below exactly as given to you Hardware fingerprint F856 C4E0 Name Key Cancel Buy Now Once you have entered a valid registration key press OK This key will be stored on your pc Key Valid i Key is valid and has been stored ARIS ARIS ASCII Grid Reader for ArcGIS User s Manual 4 Using ASCII Grid files After the setup procedure has finished ASCII Grid files can be used in ArcMap and ArcCatalog with the standard functions In ArcMap use the Add Data button to add an ASCII Grid to the map Add Data Lookin E ascigids alala 6153 grd ahn_25 aig scenario_5c agr test asc wwe Show of type Datasets and Layers Ipr z Cancel Note Only ASCII Grid files that have a file extension asc grd agr or aig can be used Other file extensions will be ignored Likewise all standard function such as the Raster Calculator and other Spatial Analyst functions are available ArcCatalog recognizes ASCII Grids automatically ARIS ARIS ASCII Grid Reader for ArcGIS User s Manual 3 ArcCatalog Arc iew D datat AsciiGrid Testgrid asc Ele Edt view Go Tools Help e sw Gam x E 2 A AS QQqnee s X Contents Preview Metadata Catalog fern i D 3 data 3 As
12. rd agr or aig If your files are called say myraster ras or any other file extension you have no option other than renaming it If that s not feasible for you send us an email and we ll consider adding your file extension in the next version Possibly your ASCII Grid is not in the correct format see chapter B to check if your file complies with the ESRI ASCII Grid Format All my ASCII Grids show up twice in ArcCatalog why One of those two has this icon the other has this one a right This is caused by ArcGIS recognizing asc files as text tables by default It doesn t harm but if you want you can turn off the text tables Start ArcCatalog open the Tools gt Options menu and choose the General tab Under Which types of data do you want the Catalog to show make sure Text Files is unchecked Does the ASCII Grid Reader work with ArcGIS 9 2 9 3 and 9 3 1 Yes ASCII Grid Reader version 2 x works with ArcGIS 9 2 9 3 and 9 3 1 in ArcGIS 9 3 and 9 3 1 a bug is present see question below have removed ASCII Grid Reader However when start ArcGIS still see pop up messages telling me have to register Before de installing ASCII Grid Reader make sure you have no ArcGIS applications running If by accident you did remove ASCII grid reader when ArcMap or ArcCatalog was still running your best bet is to re install ASCII grid reader and then remove it again after you exited all ArcGIS applications Does the ASCII Grid
13. s without references to conflict of laws principles Entire Agreement The parties agree that this constitutes the sole and entire agreement of the parties as to the matter set forth herein and supersedes any previous agreements understandings and arrangements between the parties relating hereto and is effective valid and binding upon the parties ARIS is a registered trademark the Netherlands ARIS 15
14. that the media upon which the PRODUCT is provided will be free from defects in materials and workmanship under normal use and service for a period of ninety 90 days from the date of receipt Except for the above express limited warranties the PRODUCT is provided as is without warranty of any kind either express or implied including but not limited to the implied warranty of merchantability and fitness for a particular purpose Exclusive Remedy and Limitation of Liability During the warranty period ARIS s entire liability and the LICENSEE s exclusive remedy shall be the return of the license fee paid for the PRODUCT that does not meet ARIS s limited warranty and that is returned to ARIS or its dealers with a copy of the LICENSEE s proof of payment ARIS shall not be liable for indirect special incidental or consequential damages related to LICENSEE s use of the PRODUCT even if ARIS is advised of the possibility of such damage Waivers No failure or delay by ARIS in enforcing any right or remedy under this AGREEMENT shall be construed as a waiver of any future or other exercise of such right or remedy by ARIS Order of Precedence Any conflict and or inconsistency between the terms of this AGREEMENT and any purchase order or other terms shall be resolved in favour of the terms expressed in this AGREEMENT subject to Dutch law unless agreed otherwise Governing Law This AGREEMENT is governed by the laws of the Netherland
15. the raster row 2 is just under row 1 and so on For example ncols 480 nrows 450 xllcorner 378923 YLLCORNER 4072345 cellsize 30 nodata_value 32768 43 245 7 3 56 2 5 23 65 34 6 32 54 57 34 2 2 54 6 35 45 65 34 2 6 78 42 6 89 3 27 45 23 5841 62 The nodata_value is the value in the ASCII file to be assigned to those cells whose true value is unknown In the raster they will be assigned the keyword NODATA Cell values should be delimited by spaces No carriage returns are necessary at the end of each row in the raster The number of columns in the header is used to determine when a new row begins The number of cell values must be equal to the number of rows times the number of columns or an error will be returned ARIS 13 ARIS ASCII Grid Reader for ArcGIS User s Manual Appendix A License Agreement ARIS Software License Agreement for ARIS ASCII Grid Reader for ArcGIS This is a license agreement and not an agreement for sale This license agreement hereinafter referred to as AGREEMENT is between the end user hereinafter referred to as LICENSEE and ARIS b v The Netherlands hereinafter referred to as ARIS and gives the LICENSEE certain limited rights to use the proprietary ARIS software ASCII Grid Reader for ArcGIS examples on line and hardcopy documentation and updates if applicable hereinafter referred to as PRODUCT All rights not specifically granted in this AGREEMENT are reserved to ARIS Ownership and gra
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