JGW File Extension

What is JGW file?

JGW is a geospatial information format that stores data in plain text. JGW files contain such information as image size, scale, and coordinates of the upper left pixel. Data in JGW files allow users to reconstruct actual area images on a map. JPG image referenced in JGW file stores aerial view image used for generating orthophoto maps.

Orthophotomap

Orthophotomap is a map image created based on a collection of simple raster images and some additional data. Orthophotomaps use images that are adjusted for camera tilt and the earth curvature to achieve uniform scale. Orthophotomaps are used to track geographical changes and confirm existence of objects marked on maps. Ortophotomap image data stored in JGW maps should not be confused with a satellite images.

Programs which support JGW file extension

Programs that can handle JGW files are as follows. Files with JGW suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Updated: 01/31/2023

How to open file with JGW extension?

Being unable to open files with JGW extension can be have various origins. What is important, all common issues related to files with JGW extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the AutoCAD Map

Problems with opening and working with JGW files are most probably having to do with no proper software compatible with JGW files being present on your machine. This one is an easy one. Select AutoCAD Map or one of the recommended programs (for example, Text editor) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. If you want to download AutoCAD Map installer in the most secured manner, we suggest you visit website and download from their official repositories.

Step 2. Verify the you have the latest version of AutoCAD Map

You still cannot access JGW files although AutoCAD Map is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. The reason that AutoCAD Map cannot handle files with JGW may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using AutoCAD Map.

Step 3. Associate JPEG World Format files with AutoCAD Map

If you have the latest version of AutoCAD Map installed and the problem persists, select it as the default program to be used to manage JGW on your device. The method is quite simple and varies little across operating systems.

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the JGW file
• Click Choose another app and then select More apps option
• Finally select Look for another app on this PC, point to the folder where AutoCAD Map is installed, check the Always use this app to open JGW files box and conform your selection by clicking OK button

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with JGW extension, select Information
• Open the Open with section by clicking its name
• Select AutoCAD Map and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with JGW extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the JGW is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the JGW file in question. Problems with opening the file may arise due to various reasons.

1. Check the JGW file for viruses or malware

If the JGW is indeed infected, it is possible that the malware is blocking it from opening. Scan the JGW file as well as your computer for malware or viruses. If the scanner detected that the JGW file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If you obtained the problematic JGW file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with JGW extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the JPEG World Format file again.

4. Verify that your device fulfills the requirements to be able to open AutoCAD Map

The operating systems may note enough free resources to run the application that support JGW files. Close all running programs and try opening the JGW file.

5. Ensure that you have the latest drivers and system updates and patches installed

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with JPEG World Format files. It may be the case that the JGW files work properly with updated software that addresses some system bugs.

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