How-to: Correct an Incorrect Camera Time on Photos

When you import photos into HoudahGeo, it asks about your camera clock settings. HoudahGeo needs accurate time information so it can match photos to GPS tracklogs. Thus HoudahGeo needs to know what time zone your camera clock was set to and if the clock was going slow or fast.

Let’s look at an example. You traveled to Croatia but left your camera clock set to UK time. The camera had been left unused for a while and the clock is going 5 minutes fast.

Camera clock settings. Camera was set to UK time going 5 minutes fas
Camera clock set to UK time. Going 5 minutes fast

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Is HoudahSpot Optimized for Upcoming Versions of macOS?

You may have seen the following warning: “HoudahSpot” is not optimized for your Mac and needs to be updated. Worry not, HoudahSpot 5.0 is “optimized” for current and future versions of macOS.

Caveat: macOS 10.15 Catalina bans third-party applications from searching the Mail.app Spotlight index. On macOS Catalina, HoudahSpot will thus no longer be able to find your Apple Mail messages. If you rely on HoudahSpot to search your mail messages, we recommend that you voice your concerns through Apple’s Feedback Assistant.

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Using HoudahGeo With Cameras That Provide Altitude Measurements but No GPS Coordinates

This blog post applies to HoudahGeo 5. HoudahGeo 6 offers much more flexibility in handling multiple sources of altitude and heading information.

Some GPS cameras use a barometer to determine the current altitude. These cameras can write altitude information to photos even when the GPS feature is switched off. This is often seen in Panasonic cameras.

The camera creates photos that have altitude information, but lack latitude and longitude coordinates. This comes as a bit of a surprise to HoudahGeo and requires a few additional clicks on your part.

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Other Uses for macOS File Tags

We have seen that file tags can be used to build or complement a filing system.

File tags can also be used to temporarily mark files. Since macOS has the handy ability to assign colors to file tags, such tags can be used to visually identify files. Both Finder and HoudahSpot flag the tagged files with colors of their tags.

This is particularly useful when shifting files around, merging folders, exporting photos to files, etc.

Screenshot: File tags in Finder used to mark files in a merged folder
Merged Folder: Files from 3 Different Sources

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Search DEVONthink 3 Databases using HoudahSpot

This is a follow-up to an older post. It has been updated for the new DEVONthink 3. Users of the older DEVONthink Pro (Office) can refer to the original post.

DEVONthink is a smart document management solution for Mac. It lets you organize and work with all your documents — bookmarks, email messages, text files, images, PDFs — in one place, regardless of where they come from.

Now that you have all your documents stored and organized in DEVONthink, you can rely on both DEVONthink and HoudahSpot to always find the piece of information you need.

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