Page tools: Scale, Rotate, Straighten, Color/Text, Fade, Layers, Page Type, Page Properties

Partly availableSome of what this page describes is in DimSum today and some is still coming. Parts marked Coming are designed but not built yet.

The Page ribbon tab tools that prepare a sheet for takeoff: set its scale, straighten and rotate it, tone it down, hide its text or layers, and set its type and properties.

Overview

Before measuring, a page has to be scaled (or every number is meaningless) and ideally easy to read: straight, right way up, with the plan's own colors and clutter toned down so your takeoff colors stand out. These tools change how the page is displayed and interpreted; none of them alter the original plan file (everything is non-destructive and undoable).

The usual workflow: after the pages are ordered and renamed, Auto Scale every page at once, then go back and fix the few pages drawn at a different scale, "still set automatically" where possible. Auto Scale always asks for confirmation, because it can be wrong.

Other Page-tab tools have their own docs: Overlay & Align → overlay-align.md; Page Versions → page-versions.md; Elevation Face and Face Align → elevation-faces.md; Select / Pan → shared tool behavior; protected pages → Search, Media & Attachments. Compare is replaced in v1 by Page Versions (both versions overlaid); automatic change highlighting is v1.1.

Where to find it

The Page ribbon tab, when the ribbon comes. Until then the canvas tool strip has Scale ▾ and Page ▾: Rotate, Straighten, Color, Text, Fade / Contrast, then the overlay's entries (Overlay & Align). The same entries are on the canvas right-click menu, on an empty spot, and each tool's value and its Reset are in Page Properties' Page view section.

Shortcuts: K manual scale (calibrate), Shift+K Auto Scale, Ctrl+Shift+C Color On/Off and Ctrl+Shift+T Text On/Off. Rotate has no shortcut: Ctrl+R is reserved, for reloading the window. Page Properties also opens by double-clicking a page in the Project Tree.

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Scale

How it looks

• Ribbon split-button "Scale ▾" with Auto Scale and Manual Scale — and, Region scale.
• The current scale shows in the status bar and on the page badge.
• Unscaled pages show a ⚠ badge in the tree and a banner on the canvas.
• During calibration a calibration line shows briefly.
• A scale region shows as a dashed amber outline, with its scale in a chip at its top-left corner. Selected, it has 8 handles.

How to use it

Auto Scale all pages (the usual start)

1. Scale ▾ → Auto Scale all pages.
2. DimSum scans every page's text for scale notes and builds a review list: one row per page with the best candidate and its confidence (e.g. A-101 — 1/4" = 1'-0" (title block) — 98%).
3. Confirm each row (or "Confirm all" after looking them over), change the ones that are wrong, and skip pages with no candidate. Nothing is applied until you confirm.
4. Pages still unscaled keep their ⚠ badge. Fix them with Auto Scale on that page, a preset, or Calibrate.

Auto Scale one page (Shift+K)

1. Open the page and press Shift+K (or Scale ▾ → Auto Scale).
2. DimSum scans the page text (PDF text, or OCR text on scans) for scale notes like SCALE: 1/4" = 1'-0" or 1:50, and checks them against printed dimension strings where it can.
3. A list of candidates appears with confidence, e.g. Found 1/4" = 1'-0" (title block) — 98%. Each candidate is highlighted on the page where it was found. A sheet can list several scales (one per drawing); each shows as its own candidate, and you can turn one into a region scale (below).
4. Click the right candidate to accept it. Auto Scale never applies silently, and DimSum suggests a quick Verify measurement afterwards.
5. Optionally apply it to multiple pages at once (e.g. every floor plan in the set).

Manual Scale, Option A: Calibrate (K)

1. Find a long, known dimension on the plan (the longer the better, e.g. an overall 36'-0" wall dimension).
2. Press K. Click the first end of the dimension (snap to the extension line or tick).
3. Click the second end.
4. A dialog asks for the real length. Type 36' (feet-inches like 36' 4 1/2" work) and press Enter.
5. DimSum computes the scale. The calibration line shows briefly.
6. Recommended: click Verify and measure a second known dimension. If it reads correctly, the scale is good.

Manual Scale, Option B: Preset

1. Scale ▾ → Manual Scale → Preset.
2. Pick the list: Architectural (1/8", 3/16", 1/4", 3/8", 1/2", 3/4", 1", 1-1/2", 3" = 1'-0"), Engineering (1" = 10' … 1" = 100'), or Metric (1:1 … 1:1000).
3. Set the paper size the sheet was printed for (e.g. 24×36). This handles half-size prints: a 1/4" scale drawing printed on 11×17 is corrected automatically.
4. OK.

Separate X/Y scale (advanced)

1. In Manual Scale, turn on Separate X/Y.
2. Calibrate a known horizontal dimension, then a known vertical one. Use for scans stretched unevenly by the scanner.

Viewport / region scales

): the rules in the core, and the screens — the command, the outline and its handles, the Scale dialog's region mode, Page Properties, the Measured at line and the print. What isn't finished is under Not yet.

Make one

1. Scale ▾ → Region scale — or right-click an empty spot on the canvas → Region scale. The Scale ▾ button shows it's on, and the status bar says Drag a box around the drawing at another scale — Esc puts Region scale away. A tool you had armed stays armed underneath. In the middle of a run it says Finish the run first (Enter or Esc), then draw the scale region.
2. Left-drag a box around a drawing at a different scale (e.g. the 1/4" rear elevation on a 1/8" sheet). The corner you drag snaps, and the cursor lines cross at it. The box may hang off the edge of the sheet, as long as part of it is on the page.
3. Let go, and the Scale dialog opens in region mode, titled Region scale: Everything drawn with its first point inside this box is measured at the scale you set here. The rest of the page keeps 1/8" = 1'-0". Set the scale the usual three ways:

• Auto Scale — the tab it opens on (Preset, on a blank page) — lists only the scale notes whose centre is inside the box.
• Calibrate on a dimension inside the box. A point picked outside it is refused: A point you picked is outside the region. Pick a dimension inside the box — that is the drawing this scale is for.
• Preset — pick a standard scale.

The toast says Scale region added at 1/4" = 1'-0". The outline is labelled with its scale, so a region must have one — without it DimSum says a scale region needs a label, such as 1/4" = 1'-0". 4. Region scale is put away once a box is drawn. Start it again for the next drawing that differs.

A box that can't be a region is refused where you let go — a note on the sheet, and the same words on a toast. Region scale stays on, so the next drag is a second try; Esc puts it away.

• A box that partly overlaps another region turns red while you drag, labelled Partly overlaps a scale region, and is refused in the words below.
• A box wholly off the page: A scale region has to be on the page.
• A plain click, or a box only a few pixels across: Drag a box around the drawing at the other scale: press, hold and drag.

Change one: with Select, click the region's outline (where no shape is) or its scale chip. It gets 8 handles — the corners and the middle of each side — and its row in Page Properties is highlighted.

• Resize: drag a handle. A region isn't moved whole; drag its handles. A resize that would partly overlap another region is refused at the handle you let go, and the region goes back.
• Rescale: double-click the outline or the chip, or right-click it → Change region scale…. The Scale dialog opens on Preset, with Calibrate and Auto Scale a tab away. The toast says Region scale set to ….
• Delete: press Delete, or right-click → Delete scale region.
• Each is one Undo.

Drawing inside a region: a shape whose first point is inside the region uses the region's scale while you draw it — its full-width band, the segment lengths, the live quantity chip, the snap box and clicking on it — so what you see is what's measured.

In Properties

• Page Properties (nothing selected) shows the page scale, then Regions: None — the whole page is at its scale, or how many. Each region is listed by its scale and its size on paper (3.5" × 2.0" of paper), with Change… and Delete; click a row to select that region on the plan. The selected region's row is highlighted. Add region scale starts Region scale.
• An item's Properties says, in one line beside its quantities, which scale measured it:
• every shape at the page scale: Page scale 1/8" = 1'-0";
• every shape in one region: Measured at 1/4" = 1'-0" (region);
• more than one scale, each with its shape count: Measured at 1/4" = 1'-0" (region, 2 shapes) · 1/8" = 1'-0" (page, 3 shapes).
• A shape that crosses an edge adds a link — 1 shape crosses a region's edge — see Needs attention — that opens the Estimating tab at its line.

On the print: regions print by default, dashed and labelled as on screen, under the takeoff. Untick Scale regions in the print dialog to leave them off. See Marked-Up Plans.

Which scale a shape uses

• The smallest region that holds the shape's first point decides the scale for the whole shape — a point on a region's edge counts as inside. Outside every region, the page scale.
• A region inside another wins inside itself, so a 1/2" detail boxed inside a 1/8" elevation's region measures at 1/2".
• Two regions side by side, sharing an edge: a first point exactly on that edge belongs to both, so the same rule decides — the smaller of the two wins, and if they're the same size, the one made first.
• A cutout uses the scale of the area it cuts, wherever its own first point is, so a hole is never measured at a different scale from its area.
• Counts are counted the same anywhere; a count mark needs no scale.

A shape that crosses an edge is never silent

• A shape crosses when it leaves its region (or a region around it), or goes into another one. Running along an edge or touching a corner doesn't count.
• It is still measured, whole, at its first point's scale, and gets one warning in Needs attention, under Scale region, saying which scale it used:
• *Crosses a scale region's edge.
• Crosses a scale region's edge. Measured at 1/8" = 1'-0", the page scale, because its first point is outside every region.
• On a page with no scale: Crosses a scale region's edge. Not measured: its first point is outside every region, and the page has no scale.
• Fix it by redrawing the shape so it starts where it belongs, or by splitting it at the edge.

Regions nest or stay apart

• One region wholly inside another is fine, and so are two side by side sharing an edge.
• One that partly overlaps another is refused, and nothing is drawn: This scale region partly overlaps the 1/8" = 1'-0" region. Draw it wholly inside that region, or wholly outside it.
• One exactly on top of another is refused too: There is already a scale region there (1/8" = 1'-0").

On a page with no scale: a region still measures what's inside it. A shape outside every region isn't measured; its item still adds up the shapes that were, and its total shows ⚠ because it leaves one out.

Auto Scale inside a region reads only the scale notes whose centre is inside the box. A box drawn around a detail that takes in its title (REAR ELEVATION, SCALE: 1/4" = 1'-0") finds that note, and never the sheet's title block unless the box takes that in too. They are still only candidates: nothing is applied until you pick one.

What changes when a region does

• Making, resizing, rescaling or deleting a region recalculates every quantity on that page at once, as changing the page scale does. Nothing you drew moves.
• Each is one Undo, named in the Undo History: Add scale region 1/4" = 1'-0", Change region scale to …, Resize scale region, Delete scale region.
• Quantities say which scale they used. DimSum keeps, for every shape, the region (or the page) and the scale it was measured at — that's what the crossing warning quotes, and what an item's Measured at line shows (above).

The record: regions are stored per page version in the .dsum — migration 0022, which only adds. An older DimSum opening the job never reads them: it measures everything at the page scale, and writes nothing wrong, because quantities are worked out when they're read, not stored. Deleting a page takes its regions with it, and Undo brings them back. See .dsum format.

Not yet

• Link a region to a Side — later, with the elevation work: right-click the region → Link to Side. Each region then carries its own Side, its own scale and its own Face Align, so one sheet holding Front and Rear elevations at different scales works without duplicating the page. See Elevation Faces.
• Page Versions: a region belongs to the page's current version. When Page Versions arrive, a new version will need to carry its page's regions forward, as it does the page scale.

How it operates

• Scale is stored per page (and per scale region). Geometry is stored in page units, so changing a scale recalculates every quantity on that page instantly and exactly.
• Each shape is measured at the scale of the region its first point is in, else the page's (above).
• CAD (DXF) pages take their scale from the drawing units automatically.

How to edit it

• Run Auto or Manual Scale again at any time; all quantities update.
• Change it in Page Properties (scale field).
• Scale regions: click the outline or its scale chip, then drag a handle to resize it; double-click to change its scale; Delete to remove it. Each is one Undo. Page Properties has Change…, Delete and Add region scale too.

Properties

Property	What it does	Default
Scale	Page scale (e.g. 1/4"=1'-0", 1:50)	Unscaled (⚠), or from the New Project Process / Settings → Defaults → default scale
Method	Auto / Calibrated / Preset / CAD units
Printed paper size	Paper size the drawing was made for (presets)	Page's own size
Separate X/Y	Independent X and Y scale factors	Off
Region scales	Rectangles with their own scale, each labelled with it (scale regions, )	None
{Page > Scale}	Referenceable in formulas, labels and reports. Reads the page scale, never a region's

Uses on a plan

• Required before any measurement is meaningful.
• Auto Scale the whole set, confirm, then fix the odd pages.
• Regions: an elevation sheet with mixed scales, detail sheets with many scales, enlarged stair/deck/footing details on the plan sheet.
• Verify mode catches "NOT TO SCALE" reprints and half-size sets.

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Rules for every page tool

These hold for Rotate, Straighten, Color On/Off, Text On/Off and Fade / Contrast / Brightness.

• Page ▾ in the canvas tool strip, next to Scale ▾: Rotate 90° clockwise, Rotate 90° counter-clockwise, Rotate 180°, Custom angle…, Straighten…, Reset rotation, then Color Off (Ctrl+Shift+C; it reads Color On when the colour is off), Color options…, Text Off (Ctrl+Shift+T; Text On when it's off) and Fade / Contrast…. The overlay's entries come last. The button is highlighted while the page is turned or toned.
• The canvas right-click menu, on an empty spot: the same entries, after Fit page, 100%, Properties and Region scale. The menu now always stays inside the pane: near the bottom or the right edge it opens up or to the left.
• Page Properties (nothing selected): a Page view section with each tool's value and its Reset. Custom angle…, Color options… and Fade / Contrast… open the same controls as a small Page view panel over the plan.
• An entry that can't run is greyed, with the reason. With no page open: Open a page first.

Non-destructive:

• The plan inside the job is never changed, and no stored coordinate moves. Your takeoff, scale regions and alignment points stay exactly where they were drawn on the sheet.
• Your takeoff turns with the sheet. It's drawn through the same view as the plan, so nothing loses its place, and a click on a turned sheet lands on the point you aimed at.
• Quantities don't change. Turning a sheet keeps every length and area, and the scale is still the page's.

One Undo each, named in the Undo History: Rotate Page 4 90° clockwise, Rotate Page 4 to 12.5°, Straighten Page 4 (1.3°), Reset rotation — Page 4, Color Off — Page 4, Faded 60% — Page 4, Blueprint — Page 4, Text Off — Page 4, Fade 40% — Page 4, Contrast +25% — Page 4, Brightness -10% — Page 4. A slider previews live while you hold it and is one Undo when you let go, not one per step.

Per page: each page keeps its own settings. In split view, both panes change together when they show the same sheet.

Apply to all pages: with more than one page in the job, the Page view has Color to all pages, Text to all pages and Fade / Contrast to all pages. Each gives every page this page's setting, as one Undo (Color Off — all pages). Pages that can't take it are skipped — blank pages, and scans for Text — and the toast says how many: Applied to 5 pages; 2 left as they were (blank, or a scan for Text). Rotation has no to all pages.

Print and Export PDF:

• Rotate and Straighten: the sheet prints the way it's turned, at true scale, with labels upright. Orientation: Auto follows the turned shape.
• Fade, Contrast, Brightness and Text Off print as they show on screen, and the preview and the PDF agree.
• An overlay isn't printed. In split view, Print prints the focused pane's page. See Marked-Up Plans.

While a page is turned:

• Ortho, locked angles and the arrow keys follow the screen, so after Straighten, ortho lines up with the building.
• The cursor lines stay level and plumb on screen. Labels, chips and handles stay upright.
• Draw Side keeps its side. A turn never swaps left and right.
• After a turn, a page that was at Fit fits again; otherwise it turns about the middle of the screen.

Fast: turning a sheet is one turn on the graphics card: instant, and no plan tile is drawn or sent again. Color, Fade, Contrast and Brightness are a setting on the same drawing, so they're instant too. Only Text Off draws the plan again, the first time you switch it.

On a blank page: Rotate and Straighten work. Color, Text and Fade are greyed, with A blank page has no plan to tone. On a scan, Text is greyed with its own reason (below).

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Rotate

How it looks

Page ▾ → Rotate 90° clockwise, Rotate 90° counter-clockwise, Rotate 180°, Custom angle… and Reset rotation. In the Page view: the Rotation figure with ⟲ and ⟳ buttons and 180°, then an Angle box with Straighten… and Reset.

How to use it

1. Open a sideways sheet.
2. Page ▾ → Rotate 90° clockwise, Rotate 90° counter-clockwise or Rotate 180°, or the same on the canvas right-click menu. There's no shortcut: Ctrl+R is reserved, for reloading the window.
3. For an exact angle (e.g. to put north up), Page ▾ → Custom angle…. The Page view opens with the Angle box ready. Type the degrees, clockwise (e.g. 12.5 or -90), and press Enter. Something that isn't a number turns the box red: An angle in degrees, e.g. 12.5 or -90. Esc puts the old angle back.

How it operates

Rotates the page view and all tools on it together; geometry stays attached to the plan. The rotation is saved per page. No stored point moves and no quantity changes, and each turn is one Undo.

Any angle is kept as quarter turns plus a remainder of up to 45°, so free rotation needs no new column, and Page Properties shows one Rotation figure, from −180° to 180°. A 90° turn keeps any Straighten you've made.

How to edit it

Rotate again, or type in the Angle box in Page Properties → Page view. Reset there, or Page ▾ → Reset rotation, sets it back to 0° (greyed with The page isn't turned when it's already 0°).

Properties

Property	What it does	Default
Rotation	Page view rotation in degrees, clockwise, including Straighten	0°

Uses on a plan

Fix sheets bound sideways in the set; orient site plans to north; match the orientation of two sheets before comparing them.

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Straighten (Deskew)

Renamed from "Level" so it is never confused with the building Plan Levels in the tree.

How it looks

Page ▾ → Straighten…, or Straighten… beside the Angle box in the Page view. The Fine-rotate slider is in the Page view.

How to use it

1. Open the crooked page (e.g. a hand-drawn plan scanned at an angle).
2. Page ▾ → Straighten…. The status bar says Straighten: click a point on a line that should be level or plumb — Esc to stop.
3. Click point 1 on something that should be level or plumb: a long wall line, the title-block border, a dimension line. The status bar says Straighten: now click a second point along the same line.
4. Click point 2 far along the same line. Too close, and a note says Click a second point further along the line.
5. The page turns by that small angle so the line is level on screen, or plumb, whichever is nearer.
6. Fine-tune with the Fine-rotate slider (±5°) in the Page view if needed. It previews while you drag and is one Undo when you let go.

Wheel and right-drag pan and zoom between the clicks. Esc stops. In the middle of a takeoff run it says Finish the run first (Enter or Esc), then straighten the page.

Auto-deskew is not built: it needs line detection, which comes later.

How it operates

The page view rotates by the measured angle. Tools already drawn on the page rotate with it, so nothing loses its place. A new Straighten replaces the last one: it's the small remainder part of the page's Rotation (a 90° turn is kept), and one Undo, named Straighten Page 4 (1.3°).

How to edit it

Run Straighten again, drag the Fine-rotate slider, or type the angle in Page Properties → Page view.

Properties

Property	What it does	Default
Straighten	The small correction angle, part of the page's Rotation	0°
Fine-rotate	Slider for small tweaks, ±5° (wider if the page is already straightened further)
Auto-deskew	One-click detection for scans (later)

Uses on a plan

Crooked scans of hand drawings, phone photos of plans, slightly skewed prints, so that Ortho drawing (0/45/90°) lines up with the building.

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— dropped

Coming The passage below is kept struck through, for the record. The .dsum's crop_json column stays unused.

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Color On/Off (Ctrl+Shift+C)

How it looks

Page ▾ → Color Off (it reads Color On while the colour is off) and Color options…. In the Page view, Color has four buttons: On, Gray, Faded and Blueprint, with a Faded slider under them when Faded is picked.

How to use it

1. Page ▾ → Color Off, or press Ctrl+Shift+C. The plan turns grayscale.
2. For another look, Page ▾ → Color options… and pick Gray, Faded (grey, lightened by a slider from 30% to 90%, 50% to start) or Blueprint (white lines on blue).
3. Ctrl+Shift+C again, Page ▾ → Color On, or On in the Page view, for full colour.

How it operates

Only the plan changes; your takeoff keeps its colours. It's a setting on how the plan is drawn, so it's instant and the plan isn't drawn again. It's saved with the page and is one Undo; Color to all pages sets every page the same. It's greyed on a blank page.

Properties

Property	What it does	Default
Color	On / Gray / Faded / Blueprint. Set per page and remembered with it, so a colored site plan and a grayscale floor plan can sit in one job; Color to all pages is beside it	On (full colour)
Faded	How light Faded makes the plan, 30–90%. Kept while another look is on	50%

Uses on a plan

Colored architectural sets (landscape greens, highlighted rooms) where your takeoff colors get lost; Blueprint for a high-contrast look.

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Text On/Off (Ctrl+Shift+T)

How it looks

Page ▾ → Text Off (it reads Text On while the text is hidden). In the Page view, Text has On and Off.

How to use it

1. Page ▾ → Text Off, or press Ctrl+Shift+T. The plan's text (notes, dimension text, labels) disappears and the linework stays.
2. Press again, or Page ▾ → Text On, to bring it back.

How it operates

• Vector PDFs: the plan is drawn again with the PDF's text hidden.
• What it can't hide: text a CAD program exploded into linework (it's lines, not text), and text drawn as Type 3 glyphs or inside fill patterns. Those stay.
• Scans: greyed, with This page is a scan — hiding its text needs OCR, which comes later. Later, it will mask the text boxes OCR finds (best effort, marked as such).
• Your own DimSum text, notes and labels are not affected.
• Auto Scale still reads the plan's text while it's hidden.
• The first view after switching takes a moment, like a fresh page, because the plan is drawn again without its text.

Properties

Property	What it does	Default
Text	On (shown) / Off (hidden). Text to all pages skips scans	On

Uses on a plan

Clean up cluttered plans for tracing walls and for Pick Region, where text inside rooms can break the boundary.

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Fade / Contrast / Brightness

How it looks / how to use it

1. Page ▾ → Fade / Contrast… opens the Page view with three sliders, Fade, Contrast and Brightness, plus Reset and Fade / Contrast to all pages.
2. Drag Contrast up and Brightness down to darken faint lines on a pale scan; drag Fade to push the plan into the background. The plan changes live while you drag, and each slider is one Undo when you let go.
3. Reset puts all three back to neutral (greyed when they already are).

They're a setting on how the plan is drawn, like Color, so they're instant.

Properties

Property	What it does	Default
Fade	Knocks the plan back toward the paper, 0–90%	0% (none)
Contrast	Plan contrast, −100 to +100	0 (neutral)
Brightness	Plan brightness, −100 to +100	0 (neutral)

Uses on a plan

Faint scans, blueprints copied many times, pencil drawings.

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PDF / CAD Layers

How it looks / how to use it

1. Click PDF Layers. A panel lists the page's PDF optional content groups (OCGs) or CAD layers, each with a toggle.
2. Switch off what you don't need (furniture, electrical, dimensions) while taking off framing.
3. Switch them back on at any time.

Properties

Property	What it does	Default
Layer visibility	On/off per OCG or CAD layer	As saved in the file

Uses on a plan

Architectural PDFs exported with layers; DXF files; hide the topo layer on a site plan. Pages without layers show an empty list.

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Page Type (Plan / Elevation / Detail)

How to use it

1. Open the page.
2. Click Page Type and pick Plan, Elevation or Detail.

How it operates

Type	Meaning in 3D
Plan	Horizontal; sits at its Level's elevation
Elevation	Vertical; mapped onto a Side's face plane (needs Face Align)
Detail	2D only; not placed in 3D

Takeoff on Detail pages is allowed, especially point counts; those tools stay 2D. Detail pages are also where you define Detail Callouts: box a detail, name it, and drop a clickable bubble for it on any plan page. See Annotation tools → Detail Callout Button.

Properties

Property	Default
Page Type	See assumption above

Uses on a plan

Tell DimSum which sheets become part of the 3D model: floor/roof plans (Plan), building elevations (Elevation, for siding/trim takeoff on faces), sections and schedules (Detail).

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Page Properties

How to use it

Double-click the page in the Project Tree, or click Page Properties on the Page tab. Edit fields and click OK.

Properties

Property	What it does
Name	Page name (defaults to the sheet title found on the page, or "Page n")
Number	Sheet number (e.g. A-101)
Assigned level	Plan Level or Details
Scale(s)	Page scale, then each scale region — its scale and size on paper, with Change… and Delete — and Add region scale
Page view	Rotation (Rotate plus Straighten) with ⟲, ⟳, 180°, the Angle box, Straighten…, Reset and the Fine-rotate slider; Color, Text, Fade, Contrast and Brightness with Reset and the to all pages buttons
Overlay / As an overlay	What shows over this page, its tint, opacity and alignment; and this page's own Position and alignment when it's shown over another, with Clear alignment (Overlay & Align)
Revision / version	Revision label and the current page version (e.g. v2). A version can carry its own scale, alignment or even a different sheet/location; reports can print which version was used
Protected	Marks the page as protected by the project's one optional password (protected pages). While locked, the page is hidden everywhere — canvas, search, screenshots, 3D, "Show on plan" and printing — and the password can't be recovered
Attachments	Files attached to this page (attachments)
Notes	Free text
Custom page properties	Any user-defined fields

All are Properties ({Page > Name}, {Page > Number}, {Page > Scale}…) usable in formulas, labels, stamps and reports. There is no automatic page naming you have to fight: pages start as "Page n" (or a best-effort sheet-title suggestion you accepted) and you rename them.

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Examples

• Framing takeoff on an architect's set: Auto Scale all pages, confirm the review list (floor plans 1/4" at 98% from the title block), fix the site plan by hand, Verify on one overall dimension, Color Off (grayscale) so the takeoff colors pop.
• Old hand-drawn addition plan: Straighten on the rear wall line, Contrast up, Calibrate on the 24'-0" dimension, Verify on the 12'-0" dimension.
• Elevation sheet with mixed scales: page scale 1/8"; a scale region at 1/4" around the rear elevation. Siding on all four elevations is taken off on one page, no duplicate page needed. Later, each region is linked to its Side with its own Face Align.
• Detail sheet with mixed scales: page scale 1/4", region scale 3/4" around the deck framing detail; the joist takeoff inside the region measures correctly.

Tips & shortcuts

Action	Shortcut
Manual scale (calibrate)	K
Auto Scale	Shift+K
Rotate page 90°	No shortcut: Page ▾ → Rotate 90° clockwise / counter-clockwise, or right-click the canvas
Straighten	No shortcut: Page ▾ → Straighten…. Esc stops
Color On/Off	Ctrl+Shift+C
Text On/Off	Ctrl+Shift+T
Region scale	No key: Scale ▾ → Region scale, or right-click the canvas. Esc puts it away

• Calibrate on the longest dimension you can find; always Verify on a second.
• Scale before drawing; if you forget, just scale afterward, everything re-quantifies.
• Start every job with Auto Scale all pages; it's the fastest way to find the odd pages.

Rules, limits & edge cases

• A takeoff on an unscaled page has no meaningful quantity; the page keeps its ⚠ until scaled.
• Auto Scale never applies a scale without your confirmation, on one page or many.
• A shape crossing a scale region's edge is measured at the scale of the region its first point is in (else the page's) and gets one Scale region warning in Needs attention. Running along an edge or touching a corner isn't crossing (scale regions).
• Text Off on scans and Auto Scale on scans require OCR (later).
• There's no Crop, so a sheet always shows whole.
• Page tools never move a stored point or change a quantity.
• Compare (revision overlay) is covered by Page Versions; change highlighting is v1.1.
• Printing a page produces the marked-up plan: the page as you see it, plus an auto legend whose rows are swatch · instance name + its Report Section · qty + unit · color swatch, and per-member labels printed exactly as they are drawn. Page view settings (Rotate, Straighten, Color Off, Text Off, Fade, Contrast, Brightness) apply to the print (above): a turned page prints turned at true scale, and a page with its own Color Off look prints that look while Grayscale plan greys the rest. Protected pages are left out unless the password has been entered. Scale regions print too, dashed and labelled, unless Scale regions is unticked. See Marked-Up Plans.

Related features

• Overlay & Align · Elevation Faces & Face Align
• Plan import & auto-conversion · Project Tree
• Shared tool behavior (Ortho, snapping)
• Line extraction (Pick Region benefits from Text Off)
• 3D viewport (Page Type) · Marked-Up Plans (printing, legends)