Qualify gallery depth annotations

Decide what the annotation is supposed to tell visitors

A fictional digital exhibition presents a gallery containing a foreground display and a rear pedestal. The designer wants to add a numerical label beside the rear installation, hoping that a precise-looking annotation will make the reconstruction feel authoritative. The curator must decide whether that number helps visitors understand the exhibition and whether the available evidence supports its meaning.

Write the proposed label and its explanatory legend before selecting a number. Identify the object, the intended reference and the point or feature the annotation concerns. A label attached somewhere near a pedestal is not enough: the reader should not have to guess whether it describes the pedestal, its displayed object or another feature of the room. Keep the original exhibition photograph available for that editorial discussion.

Ask why the audience needs the annotation. If the story concerns the order of exhibits, an ordinary descriptive view may communicate that effectively. If the story depends on the numerical relationship, the production needs a corresponding reference rather than a decorative number. Do not turn a design preference for technical-looking labels into an unsupported claim about the installation.

Inspect the complete conditional calculation

Stipulate rectified parallel cameras and correct correspondences. Focal length f = 600 pixels; baseline B = 0.1 m. Camera-axis depth Z = f × B / d, not Euclidean distance. Disparities d = 30 and 5 pixels give Z = 2 and 12 m. With stipulated ±1 pixel bounds, invert endpoints: [60 / 31, 60 / 29] m and [60 / 6, 60 / 4] m = [10, 15] m. These conditional ranges are not confidence intervals or accuracy guarantees.

The companion fixture records the executed numerical results. It processes no photographs and performs no camera calibration or image matching. Its invented numbers are teaching inputs, not a survey of the fictional gallery. Keep the numerical exercise identified as such when discussing the proposed annotation with the design team.

Use the quantity defined above consistently in the label request and the commissioned reference. Do not ask a supplier for a different convenient measurement and then place it beneath the original legend. The curator should approve what the label means before a technical owner supplies a result. If the intended meaning changes, revise the request and the presentation together.

Choose a descriptive view or the matching reference

For the descriptive option, omit the numerical annotation and preserve the exhibition’s useful identifying information. Name the installation, explain its role and maintain a clear visual connection to its caption. The page can still communicate the sequence of works and the relationship between foreground and background without pretending to be a measured record. Avoid replacing the removed number with wording such as precisely positioned unless that claim has its own support.

For the reference-led option, give the responsible specialist the exact quantity definition, identified feature and intended display wording. Include the relevant source images and whatever authorized capture information the production already holds. Ask what additional evidence is required and what the resulting reference could legitimately support. Do not prescribe a new physical arrangement or claim that the teaching inputs describe the actual equipment.

Agree how the reference will be delivered to the editor. It should identify the object and the definition it answers, rather than arriving as an isolated spreadsheet cell. The editor needs to connect the result with the correct annotation and know which limitations belong beside it. A number copied from an unrelated plan may be internally correct while answering a different question from the one the exhibition is asking.

Compare the costs of these choices against the story. If the label contributes little, removing it can improve the page by reducing distracting detail. If the numerical relationship is central, delaying that portion may be more honest than publishing a confident placeholder. Keep the exhibition’s identifying text and visual narrative available while the stronger claim is investigated, rather than treating the entire project as unusable.

Carry the chosen meaning through the finished presentation

Review the page with the annotation in its actual position, or with it deliberately omitted. The heading, caption and legend should all describe the same approved role. A restrained caption does not solve the problem if a hover panel or downloadable graphic still presents the old number as established. Search the planned derivatives before approving the final design.

If a specialist supplies the requested reference, have the editor verify that it concerns the same installation version and identified feature. Preserve the connection between the evidence and the displayed label. A later rearrangement of the exhibition may leave the photographs attractive while changing what the annotation is supposed to describe. The next editor needs to know why the original label was used, not merely what number it contained.

Close with a clear decision: publish the descriptive presentation without the unsupported annotation, or retain the annotation only after reviewing the corresponding reference. Keep the rejected label in the editorial record with the reason it was removed. That protects the page from acquiring the same unsupported precision during a future redesign. No real gallery, camera arrangement or published artifact is changed by this exercise.

Make the reasoning concrete.

A fictional curator reviews a rear-pedestal annotation that the designer added to make an exhibition reconstruction look more authoritative.

The curator omits the annotation unless it is essential to the exhibition story and the corresponding reference can support its defined meaning.

Take the questions into your next brief.

Use these prompts in your own notes. Nothing is submitted from this page.

1. Purpose

   What does the proposed label add to the visitor’s understanding?

2. Definition

   What exact quantity and reference does its legend describe?

3. Feature

   Which identified part of the installation does the label concern?

4. Reference

   What evidence answers that same request?

5. Derivatives

   Where else must the accepted or removed wording be reflected?

Watch for the wrong conclusion.

• Adding a number merely to make a reconstruction look authoritative.
• Accepting a convenient measurement that answers another question.
• Removing a label from the page but leaving it in a downloadable graphic.

Sources & scope

Original fictional exhibition choices and numerical inputs. The source supports the specified relationship. Local arithmetic only; no actual image, camera or gallery was tested.

• Depth Map from Stereo Images →Primary documentation · Supports: Geometry.