postext.dev
Try the Postext typesetting engine live: edit markdown, manage figures and tables, tune Knuth-Plass justification, and export print-ready PDF and EPUB — in the browser.
First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com
Answer 8 · Act 48 · Transact 5 · Score: Not yet scored
Tool inspector
sandbox_inspect_point
What lies at a point of a page and what a click there does in the Canvas: the block, the place in the chapter's Markdown source (line, column, offset and the word there), a link and the page it leads to (a :ref, a footnote marker, an index page number, a row of the contents) or its URL, the resource (a table cell, a caption, a note, a text of an SVG figure, a picture a design draws, a comic panel's art) and the part of a comic. x and y are fractions of the page from its top left corner, the space of sandbox_render_page's crop, so a spot seen in a picture can be asked about (pass trimmed as it was passed there). select also does what the click does short of following a link: it opens the Manuscript panel with the caret there (word: the word there selected, as a double click; to: a selection dragged to a second point), or the Resources panel on the resource, with the caret in its text. elements lists what lies at the point, innermost first, as a click picks it and each further click or Esc climbs (a glyph, its paragraph, the box round it, the frame of a composed page, its group, the page and its template; or a design element and its slot), each with its stable id, its source (Markdown range, config path, attribute, resource) and its name in the path the Sandbox shows (path); select with level picks one of them. sandbox_inspect_pages lists every block of a page; sandbox_go_to_page with anchor goes where a link leads.
Page: /en/sandbox
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
chapter |
integer,string | no | The chapter: its position in the book (from 1), its title or its id. The chapter the reader is at when left out. |
page |
integer | no | The page number as printed on the page. |
position |
integer | no | The page by its position among the chapter's pages (from 1). The page on screen when neither is given. |
x |
number | yes | Across the page, from its left edge (0) to its right edge (1). |
y |
number | yes | Down the page, from its top edge (0) to its bottom edge (1). |
trimmed |
boolean | no | x and y are fractions of the page without its margin of bleed and crop marks, as in a picture rendered with trimmed. |
select |
boolean | no | Also put the caret (or the selection) there in the Manuscript panel, or open the resource in the Resources panel. |
word |
boolean | no | With select: select the word at the point, as a double click does. |
level |
string | no | With select: pick the element of that level at the point (the path lists them), as clicking again on the spot or pressing Esc climbs to it: block the paragraph, frame the frame of a composed page, template the page and its template, design an element of a running head, a folio or the decoration. Content mode then selects its Markdown; Design mode opens its frame, style or template; a design element opens its settings in either mode. |
to |
object | no | With select: a second point of the same page; the text from the first point to this one is selected, as a drag does. |
Raw JSON schema
{
"type": "object",
"properties": {
"chapter": {
"type": [
"integer",
"string"
],
"description": "The chapter: its position in the book (from 1), its title or its id. The chapter the reader is at when left out."
},
"page": {
"type": "integer",
"description": "The page number as printed on the page."
},
"position": {
"type": "integer",
"minimum": 1,
"description": "The page by its position among the chapter's pages (from 1). The page on screen when neither is given."
},
"x": {
"type": "number",
"minimum": 0,
"maximum": 1,
"description": "Across the page, from its left edge (0) to its right edge (1)."
},
"y": {
"type": "number",
"minimum": 0,
"maximum": 1,
"description": "Down the page, from its top edge (0) to its bottom edge (1)."
},
"trimmed": {
"type": "boolean",
"description": "x and y are fractions of the page without its margin of bleed and crop marks, as in a picture rendered with trimmed."
},
"select": {
"type": "boolean",
"description": "Also put the caret (or the selection) there in the Manuscript panel, or open the resource in the Resources panel."
},
"word": {
"type": "boolean",
"description": "With select: select the word at the point, as a double click does."
},
"level": {
"type": "string",
"enum": [
"text",
"attr",
"label",
"resource",
"block",
"box",
"frame",
"group",
"design",
"slot",
"template"
],
"description": "With select: pick the element of that level at the point (the path lists them), as clicking again on the spot or pressing Esc climbs to it: block the paragraph, frame the frame of a composed page, template the page and its template, design an element of a running head, a folio or the decoration. Content mode then selects its Markdown; Design mode opens its frame, style or template; a design element opens its settings in either mode."
},
"to": {
"type": "object",
"description": "With select: a second point of the same page; the text from the first point to this one is selected, as a drag does.",
"properties": {
"x": {
"type": "number",
"minimum": 0,
"maximum": 1
},
"y": {
"type": "number",
"minimum": 0,
"maximum": 1
}
},
"required": [
"x",
"y"
],
"additionalProperties": false
}
},
"required": [
"x",
"y"
],
"additionalProperties": false
}
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