document raster and contour#1386
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mbostock
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| * The resolution of the underlying raster grid may be specified with the | ||
| * following options: | ||
| * | ||
| * * **width** - the number of pixels on each horizontal line | ||
| * * **height** - the number of lines; a positive integer | ||
| * | ||
| * The raster dimensions may also be imputed from the extent of *x* and *y* and | ||
| * a pixel size: | ||
| * | ||
| * * **x1** - the starting horizontal position; bound to the *x* scale | ||
| * * **x2** - the ending horizontal position; bound to the *x* scale | ||
| * * **y1** - the starting vertical position; bound to the *y* scale | ||
| * * **y2** - the ending vertical position; bound to the *y* scale | ||
| * * **pixelSize** - the screen size of a raster pixel; defaults to 1 |
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I don’t think we should repeat the options here; that should be covered by the ContourOptions/RasterOptions interface. (This description is quite long and we should look for ways to pare it down.)
mbostock
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mbostock
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Mar 25, 2023
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| * The resolution of the rectangular raster image may be specified with the following options: | ||
| * | ||
| * * **width** - the number of pixels on each horizontal line | ||
| * * **height** - the number of lines; a positive integer | ||
| * | ||
| * The raster dimensions may also be imputed from the extent of *x* and *y* and a pixel size: | ||
| * | ||
| * * **x1** - the starting horizontal position; bound to the *x* scale | ||
| * * **x2** - the ending horizontal position; bound to the *x* scale | ||
| * * **y1** - the starting vertical position; bound to the *y* scale | ||
| * * **y2** - the ending vertical position; bound to the *y* scale | ||
| * * **pixelSize** - the screen size of a raster pixel; defaults to 1 |
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Same comment re. enumeration of options.
mbostock
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Mar 25, 2023
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| random?: RandomSource; | ||
| minDistance?: number; | ||
| maxSteps?: number; |
mbostock
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| * The [image-rendering | ||
| * attribute](https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/image-rendering); |
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I’ve started using footnote-style links in Markdown to reduce the wrapping problems with long URLs.
mbostock
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Mar 25, 2023
mbostock
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Mar 25, 2023
| * from the frame’s dimensions and the *x* and *y* extents. | ||
| */ | ||
| interval?: Interval; | ||
| /** |
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Use a blank line between options (unless using the dense form with one-line comments).
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| * The lower value of *x*, on the left edge of the raster (right edge if | ||
| * reversed). |
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This and other options need the defaults described (which is a bit tedious to describe because there are a lot of different defaults at play here, but that’s a big part of the value that documentation provides).
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I hope I got those right.
mbostock
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Mar 31, 2023
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| /** | ||
| * The sampling interval, used to determine the height and width of the raster | ||
| * from the frame’s dimensions and the *x* and *y* extents. | ||
| */ | ||
| interval?: Interval; |
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The raster mark doesn’t support the interval option; that’s only for the contour mark.
mbostock
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Mar 31, 2023
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* a weird space * document raster * document contour * cleaner * better contour, raster * defaults for x1, x2, y1, y2 (I think) * edits * edits * edits --------- Co-authored-by: Mike Bostock <mbostock@gmail.com>
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for #1343
Note: added interval in the raster options, and explicitly discarded the raster interval option from the type, to add the contour interval option instead—not sure it's needed, but it felt like the right thing to do.