ol/reproj.d.ts

OpenLayers mapping library

/**
 * Calculates ideal resolution to use from the source in order to achieve
 * pixel mapping as close as possible to 1:1 during reprojection.
 * The resolution is calculated regardless of what resolutions
 * are actually available in the dataset (TileGrid, Image, ...).
 *
 * @param {import("./proj/Projection.js").default} sourceProj Source projection.
 * @param {import("./proj/Projection.js").default} targetProj Target projection.
 * @param {import("./coordinate.js").Coordinate} targetCenter Target center.
 * @param {number} targetResolution Target resolution.
 * @return {number} The best resolution to use. Can be +-Infinity, NaN or 0.
 */
export function calculateSourceResolution(sourceProj: import("./proj/Projection.js").default, targetProj: import("./proj/Projection.js").default, targetCenter: number[], targetResolution: number): number;
/**
 * Renders the source data into new canvas based on the triangulation.
 *
 * @param {number} width Width of the canvas.
 * @param {number} height Height of the canvas.
 * @param {number} pixelRatio Pixel ratio.
 * @param {number} sourceResolution Source resolution.
 * @param {import("./extent.js").Extent} sourceExtent Extent of the data source.
 * @param {number} targetResolution Target resolution.
 * @param {import("./extent.js").Extent} targetExtent Target extent.
 * @param {import("./reproj/Triangulation.js").default} triangulation
 * Calculated triangulation.
 * @param {Array<{extent: import("./extent.js").Extent,
 *                 image: (HTMLCanvasElement|HTMLImageElement|HTMLVideoElement)}>} sources
 * Array of sources.
 * @param {number} gutter Gutter of the sources.
 * @param {boolean=} opt_renderEdges Render reprojection edges.
 * @return {HTMLCanvasElement} Canvas with reprojected data.
 */
export function render(width: number, height: number, pixelRatio: number, sourceResolution: number, sourceExtent: number[], targetResolution: number, targetExtent: number[], triangulation: import("./reproj/Triangulation.js").default, sources: {
    extent: number[];
    image: HTMLCanvasElement | HTMLImageElement | HTMLVideoElement;
}[], gutter: number, opt_renderEdges?: boolean): HTMLCanvasElement;
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