Install GRIME2

GRIME2 is a Windows program for managing and analyzing imagery of water bodies. Current functionality includes automatic calibration and water level measurement. Gaugecam Remote Image Manager – Educational is open source and free.

• Latest Windows installer: GRIME2 (v0.3.0.8 Beta) is available via GitHub
• How to: Download and install GRIME2

Performance of the stop sign (octagon) target is documented in a dissertation (Chapman 2023) and the functionality is available in the latest version of GRIME2.

This animation shows the bowtie target background (legacy method) in action. Performance of GRIME2 with bowtie target has been documented in lab and field studies.

Use GRIME2

Learn how to automatically measure water level using a simple target background in the image. Images can be captured with stationary ground-based cameras, including game cams. View videos, tutorials, and technical documents to find out more. 

• Suggested file name convention
  • GRIME2 can use EXIF data or extract the date and time from the image filename
  • We suggest using filename format of YYYYMMDD_HHMM_GC_yoursitename
• Target background installation 
  • Tips and tricks for installing the Gaugecam background in a stream
  • Octagon target background template (RECOMMENDED for most applications, see performance in Chapman 2023)
    • Guidance on the size of octagon needed for your site
  • Alternative field fabrication of mini-octagon target
  • Bowtie target background template (legacy method for high precision, published in WRR)
• Video Tutorials
  • Download and install GRIME2 (v0.0.1.5)
  • Demo of water level measurement (v0.0.1.0)
  • Managing image overlays and measuring tape tool (v0.0.1.8)
  • Create an animation of your results (v0.0.1.8)
  • Automatically extract timestamp information (v0.1.0.1)

Imagery from the Kearney Outdoor Learning Area (Kearney, NE); Image courtesy of https://apps.usgs.gov/hivis/.