You can use your ESRI projection file as a custom WKT when doing Reprojections in GeoExpress.
Instructions:
In versions 7.0 and later of GeoExpress:
- Add your image to the job list in GeoExpress.
- Choose Reproject from the Tools The Reprojection Manager appears.
- Select the Reproject Image checkbox if it is not yet selected, then click Select Coordinate Reference System for either Source Image or Output Image. The Coordinate Reference System Select appears.
- Choose the Region, Subregion and System from the drop-down menus (in GeoExpress 8 and later you may simply begin entering a projection system in the System field and select from the automatically generated choices) or select one from the Recently Used Systems drop-down menu.
- Select the Use Custom WKT The “Select WKT” drop-down list becomes available.
- Select Add a new WKT from the drop-down list. The “Edit User Defined WKT” dialog box appears.
- Enter a name in the WKT Name
- Enter the text string in the WKT field either by hand or by copying and pasting from another source. You can also use a text file or ESRI CRS file (*.prj) as input by clicking Browse. ESRI .prj files are typically installed in “C:/Program Files/ArcGIS/Coordinate Systems”.
- Click OK once to save the new WKT, then twice more to exit all dialogs.
In GeoExpress 6.0, follow these steps:
- Add your image to the job list in GeoExpress.
- Choose Encode Options from the Options
- Select the Reprojection
- Select the Reproject Image checkbox if it is not already selected, then click Select Coordinate Reference System for either Source Image or Output Image. The Coordinate Reference System Select appears.
- Choose the Region, Subregion and System from the drop-down menus.
- Follow Steps 5 – 9in the procedure for versions 7.0 and later above.