Calculations

Calculations

• Equality in post conditions

  The == and != tests a post definition can make on two values.

  G-code written by text post definitions cam-postdef.js

  • PartCraft
  64-bit

• Stock size variables

  The stock's diameter, side lengths and corners that a post can print in its header.

  sx = maxₓ − minₓ; d = 2 × r

  G-code written by text post definitions cam-postdef.js

  • PartCraft
  64-bit

• Number and position text

  How a number and a position are turned into text for the script.

  number → 12 significant digits; position → 9 decimals, then 12 significant digits

  Numbers in a PartCraft script file script.js

  • PartCraft
  64-bit

• Sketch geometry and dimensions

  Writes a sketch's points, circles, relations and dimension values.

  Numbers in a PartCraft script file script.js

  • PartCraft
  64-bit

• A feature value read from a script

  Reads a setting such as a depth, given as a number or as an expression.

  Numbers in a PartCraft script file script.js

  • PartCraft
  64-bit

• Mesh points in meters, Z up

  Converts the part's mesh vertices for the USD file.

  (x, y, z) mm → (x, −z, y) ÷ 1000 m

  USD export of a part or assembly usd-partcraft.js

  • PartCraft
  64-bit

• Instance placement

  Turns an assembly instance's placement matrix from millimeters, Y up, to meters, Z up.

  M′ = A · M · A⁻¹; translation ÷ 1000

  USD export of a part or assembly usd-partcraft.js

  • PartCraft
  64-bit

• Volume and mass attributes

  The volume in cubic meters and the mass in kilograms written on each part.

  volume m³ = V mm³ × 10⁻⁹; mass kg = V mm³ × ρ g/cm³ × 10⁻⁶

  USD export of a part or assembly usd-partcraft.js

  • PartCraft
  64-bit

• Parameter values per variant

  The value each driving parameter ends up with in each variant.

  value = parameter to 12 significant digits

  Variant pack: parameter table, sizes and library bodies variants.js

  • PartCraft
  64-bit

• Numbers in variants.csv

  How a table value is written into the CSV file.

  Variant pack: parameter table, sizes and library bodies variants.js

  • PartCraft
  64-bit

• Size of a variant

  The width, depth and height of each variant written to variants.json.

  size = max − min per axis, to 4 decimals

  Variant pack: parameter table, sizes and library bodies variants.js

  • PartCraft
  64-bit

• Volume written per variant

  The volume_mm3 figure of each variant in variants.json.

  volume to 9 significant digits

  Variant pack: parameter table, sizes and library bodies variants.js

  • PartCraft
  64-bit

• Variant body in library coordinates

  Turns a variant's mesh to Z up, anchors it at the back middle bottom and rounds it for the library item.

  (x, y, z) → (x, −z, y), shifted to the anchor, rounded to d decimals

  Variant pack: parameter table, sizes and library bodies variants-item.js

  • PartCraft
  64-bit

• Rounding helper

  Rounds a value to a number of decimals for the library item.

  r(v, d) = round(v × 10ᵈ) ÷ 10ᵈ

  Variant pack: parameter table, sizes and library bodies variants-item.js

  • PartCraft
  64-bit

• Preset figures

  The gravity, pressure and temperature each world starts from.

  Environment: gravity, ambient pressure and temperature env/env.js

  • PartCraft
  64-bit

• Gravity in solver units

  Gravity in mm/s² for a gravity load.

  g mm/s² = g m/s² × 1000

  Environment: gravity, ambient pressure and temperature env/env.js

  • PartCraft
  64-bit

• Ambient pressure in MPa

  The ambient pressure in the solvers' unit.

  p MPa = p Pa ÷ 10⁶

  Environment: gravity, ambient pressure and temperature env/env.js

  • PartCraft
  64-bit

• Gauge pressure

  The pressure that loads the wall of a sealed volume.

  gauge = absolute − ambient

  Environment: gravity, ambient pressure and temperature env/env.js

  • PartCraft
  64-bit

• Weight of a mass

  Weight in newtons from a mass in kilograms.

  W = m × g

  Environment: gravity, ambient pressure and temperature env/env.js

  • PartCraft
  64-bit

• Loads filled in from the environment

  Gives a solver job its gravity, gauge pressures and ambient temperatures.

  Environment: gravity, ambient pressure and temperature env/env.js

  • PartCraft
  64-bit

• Cache key

  A short text that says whether the environment changed since a result was made.

  Environment: gravity, ambient pressure and temperature env/env.js

  • PartCraft
  64-bit

• Default thresholds

  The heights the filter uses when the caller gives none.

  h₀ = 0.3 × cell; h_max = 6 × cell; low noise = slope × cell × 3 + 3 × h₀

  Ground points from an unclassified point cloud ground-classify.js

  • CivilCraft
  64-bit

• Lowest point per cell

  Sorts the points into grid cells and keeps the lowest of each.

  column = ⌊(x − minₓ) ÷ cell⌋; row = ⌊(y − min_y) ÷ cell⌋

  Ground points from an unclassified point cloud ground-classify.js

  • CivilCraft
  64-bit

• Stray low points

  Drops single points that lie far below their neighbors.

  stray when median(neighbors) − z > low-noise limit

  Ground points from an unclassified point cloud ground-classify.js

  • CivilCraft
  64-bit

• Opening with growing windows

  Marks cells that stand above the opened surface as objects, round by round.

  wₖ = 2ᵏ + 1; dhₖ = min(h_max, slope × (wₖ − wₖ₋₁) × cell + h₀); object when z − opened > dhₖ

  Ground points from an unclassified point cloud ground-classify.js

  • CivilCraft
  64-bit

• Morphological opening

  The minimum, then the maximum, over a square window around each cell.

  Ground points from an unclassified point cloud ground-classify.js

  • CivilCraft
  64-bit

• Coordinates read from a row

  Takes the northing, easting and elevation of one line of a point file.

  Survey point files: reading and writing points.js

  • CivilCraft
  64-bit

• Points written as a PNEZD file

  Writes point number, northing, easting, elevation and description, comma separated.

  N, E and Z written with dec decimals (3 by default)

  Survey point files: reading and writing points.js

  • CivilCraft
  64-bit

• Point count per group

  Counts the points of each description group.

  Survey point files: reading and writing points.js

  • CivilCraft
  Exact

• Stand-in ground for a road with no survey

  The elevation and extent of the flat ground a corridor is drawn on when the project has no surface.

  z = mean of the PVI elevations, rounded to 0.01; margin = (60 m or 200 ft) + 6 × (z_max − z_min)

  Project: stand-in ground, volumes and saved points project.js

  • CivilCraft
  64-bit

• Cut and fill inside the daylight lines

  The total cut and fill and the figures per graded item.

  Project: stand-in ground, volumes and saved points project.js

  • CivilCraft
  64-bit

• Points in the project file

  Writes each survey point to the .civilcraft.json file.

  Project: stand-in ground, volumes and saved points project.js

  • CivilCraft
  64-bit

• Conversion constants and two-decimal rounding

  The pound and inch factors and the helper that writes two decimals.

  lb = kg × 2.20462262185; in = mm ÷ 25.4; f2(v) = round(v × 100) ÷ 100

  KISS file: quantities, sizes and weights kiss.js

  • DetailCraft
  64-bit

• Weight and plate area fields

  The weight and area written on a line, in metric or imperial units.

  weight = kg, or kg × 2.20462262185 lb; area = m², or m² × 10.7639104167 sq ft

  KISS file: quantities, sizes and weights kiss.js

  • DetailCraft
  64-bit

• Inches as a fraction to 1/16

  Writes a plate or bolt size in inches and sixteenths.

  n = round(inches × 16); whole = ⌊n ÷ 16⌋; fraction reduced by halving

  KISS file: quantities, sizes and weights kiss.js

  • DetailCraft
  64-bit

• Size designation

  The type code and size text of a part's profile.

  KISS file: quantities, sizes and weights kiss.js

  • DetailCraft
  64-bit

• Detail line: quantity, length, weight, area

  One D line of the file for a part mark.

  plate area m² = width × length ÷ 10⁶

  KISS file: quantities, sizes and weights kiss.js

  • DetailCraft
  64-bit

• Hole counts by size

  The labor lines that count a part's holes by diameter and thickness.

  KISS file: quantities, sizes and weights kiss.js

  • DetailCraft
  64-bit

• Area, mass per meter, width, depth and perimeter

  Fills in the values every member, bill of materials and drawing reads from a profile.

  mass kg/m = published value, else area mm² × 10⁻⁶ × ρ kg/m³

  Steel profiles: area, mass per meter and sizes profiles.js

  • DetailCraft
  64-bit

• Plate name

  The name of a plate profile from its thickness and width.

  PL<t>x<w>, each to 2 decimals

  Steel profiles: area, mass per meter and sizes profiles.js

  • DetailCraft
  64-bit

• Thickness a hole goes through

  The material thickness on the face a hole is made in.

  Steel profiles: area, mass per meter and sizes profiles.js

  • DetailCraft
  64-bit

• Profile summary in the properties panel

  The rows of sizes, area and mass shown for a profile.

  area cm² = area mm² ÷ 100

  Steel profiles: area, mass per meter and sizes profiles.js

  • DetailCraft
  64-bit

• Custom profile sizes

  Checks the sizes of a profile a person defines.

  Steel profiles: area, mass per meter and sizes profiles.js

  • DetailCraft
  64-bit

• A part's solid

  Builds the side faces and end caps of one steel part.

  USD export of the steel model usd-detailcraft.js

  • DetailCraft
  64-bit

• Millimeters to meters

  Converts a world point for the USD file.

  (x, y, z) m = (x, y, z) mm ÷ 1000

  USD export of the steel model usd-detailcraft.js

  • DetailCraft
  64-bit

• Length and weight attributes

  The length in meters and the weight in kilograms written on each part.

  length m = length mm ÷ 1000

  USD export of the steel model usd-detailcraft.js

  • DetailCraft
  64-bit

• Paper length of a notation in inches

  Reads a fraction, a mixed number or a decimal as inches.

  1-1/2 → 1 + 1 ÷ 2; 1/4 → 1 ÷ 4

  Sheet scale read from the sheet's text scaletext.js

  • TakeoffCraft
  64-bit

• Ratio of a notation and its listed scale

  Every scale notation in the text, each matched to a listed scale.

  ratio = (feet × 12 + inches) ÷ paper inches, rounded to 3 decimals

  Sheet scale read from the sheet's text scaletext.js

  • TakeoffCraft
  64-bit

• Which scale a sheet gets

  The most frequent scale on the sheet, and the other scales found.

  Sheet scale read from the sheet's text scaletext.js

  • TakeoffCraft
  Exact

• Stock figure from text

  Reads a stock cell such as 1,200 or Out of stock as a number, or as in stock or not.

  Supplier stock and lead-time check lib-supply/supply.js

  • TakeoffCraft
  • DetailCraft
  64-bit