PhotoSlate is the location aware workflow assistant for digital photographers. PhotoSlate displays enhanced metadata, providing information that is not recorded by the digital camera. PhotoSlate identifies GPS coordinates, compass heading, location name and address. The photographer can enter the type of shot and the number of frames that will make up a photographic sequence.  Photographing the PhotoSlate display marks the details of the upcoming photographic sequence.


PhotoSlate is ideal for photographers whose DSLRs do not have a built in GPS, or who perform complex photographic sequences like HDR, photo-stacking, panoramic, multi-frame photo stitching, and multiple exposures.

In the field after composing a shot, the photographer simply Start up Photo Slate and in a few seconds, the app will determine the GPS location, heading, and using reverse geocoding will also find the location name and address. Tap the SHOT and FRMS fields, and quickly change the type of photo sequence and number of frames. Tap the LOC or ADDRESS fields, and the photographer can override the data with local location name and address. When the photographer returns to that location in the future Photo Slate remembers the local inputs and uses them.

No internet or cell service? Although Photo Slate will be unable to reverse geocode, as long as the GPS is functioning, the photographer can still manually enter local location and address information, and when they return to the same spot in the future, Photo Slate will remember this information and will reverse geocode using the photographer’s local data.

Back in the digital darkroom, the photographer imports and sequences the photos in the order they were taken. The PhotoSlate photographs provide a cue-card for each photo/photo-sequence. This facilitates Geotagging, and grouping photos that belong together.



Since both the GPS and compass heading are recorded, the photographer can use tools like the Photographer’s Ephemeris, to plan a return trip when the lighting conditions are ideal.

PhotoSlate also allows the photographer to override the location name and address by simply tapping on the field to be changed. The location name and address will turn blue and a pencil icon will appear indicating that the reverse geocoding information has been overridden.

For complex sequences, or several repeats of the same scene (like shooting bracketed exposures the same subject, as the light changes) there is a “DONE” slate that can be photographed indicating that the sequences at this location are finished. For example, The photographer may set up a camera for a three shot exposure bracket, and then perform the bracket every 15 minutes until the sun sets. Back in the digital darkroom, the photographer groups each three images together until Reaching the DONE image.

PhotoSlate has many power-saving features to prevent GPS draining on the battery. When PhotoSlate is not displayed, the GPS is suspended. The GPS automatically shuts off after two minutes.Simply click the menu-icon in the lower right hand corner and then the GPS icon to start/stop the GPS.

Once PhotoSlate has found the location name and address it will not perform another reverse geocoding unless the iPhone has moved. Clicking the recycle icon to the right of the location name will refresh the displayed location name and address.

PhotoSlate has two ways of displaying the GPS coordinates: Continuous which means the most recent GPS reading is used regardless of its accuracy; Best uses only the best reading at the current location.

You may be interested in the PhotoSlate Manual as well.


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