Convert TER to EXR

Understanding TER and EXR file formats

TER files are terrain data files primarily used by Terragen, a landscape generation and rendering software. These files store heightmap information that defines the elevation and shape of virtual terrains. EXR files, on the other hand, are OpenEXR images, a high-dynamic-range (HDR) raster image format developed by Industrial Light & Magic. EXR is widely used in visual effects and animation for storing images with a wide color and luminance range.

Why convert TER to EXR?

Converting a TER file to EXR is useful when you want to use terrain heightmaps in visual effects, 3D rendering, or compositing workflows that require HDR image formats. EXR files can store the height data as grayscale images, making them compatible with many 3D and compositing applications.

How to convert TER to EXR

There is no direct one-step converter for TER to EXR, but you can achieve the conversion through a two-step process:

1. Export the TER file as a heightmap image (such as PNG or TIFF) using Terragen or a compatible terrain editor.
2. Convert the exported image to EXR using an image editor like Adobe Photoshop or GIMP (with the EXR plugin).

Recommended software for conversion

• Terragen: Open your TER file, then use File → Export → Heightfield to save as PNG or TIFF.
• Adobe Photoshop: Open the exported image, then use File → Save As and select OpenEXR (*.exr) as the format.
• GIMP (with EXR plugin): Open the image, then use File → Export As and choose EXR as the output format.

Tips for best results

• Ensure the heightmap is exported in 16-bit or 32-bit grayscale to preserve elevation detail.
• When saving as EXR, select the appropriate bit depth (16-bit or 32-bit float) for maximum quality.