webglimpse/esm2020/webglimpse/plot/plot_layout.mjs

Webglimpse is a data visualization library for the web.

import { Side } from '../misc';
import { hasval } from '../util/util';
export function newPlotLayout(options) {
    const horizAxisHeight = (hasval(options) && hasval(options.horizAxisHeight) ? options.horizAxisHeight : 60);
    const vertAxisWidth = (hasval(options) && hasval(options.vertAxisWidth) ? options.vertAxisWidth : 70);
    return {
        updateChildViewports: function (children, parentViewport) {
            const topAxes = [];
            const leftAxes = [];
            const rightAxes = [];
            const bottomAxes = [];
            const centers = [];
            const others = [];
            for (let c = 0; c < children.length; c++) {
                const child = children[c];
                switch (child.layoutArg) {
                    case Side.TOP:
                        topAxes.push(child);
                        break;
                    case Side.LEFT:
                        leftAxes.push(child);
                        break;
                    case Side.RIGHT:
                        rightAxes.push(child);
                        break;
                    case Side.BOTTOM:
                        bottomAxes.push(child);
                        break;
                    case null:
                        centers.push(child);
                        break;
                    default:
                        others.push(child);
                        break;
                }
            }
            const numVertAxes = leftAxes.length + rightAxes.length;
            const numHorizAxes = topAxes.length + bottomAxes.length;
            const centerWidth = Math.max(vertAxisWidth, parentViewport.w - numVertAxes * vertAxisWidth);
            const centerHeight = Math.max(horizAxisHeight, parentViewport.h - numHorizAxes * horizAxisHeight);
            const vertAxisWidth2 = (numVertAxes === 0 ? 0 : (parentViewport.w - centerWidth) / numVertAxes);
            const horizAxisHeight2 = (numHorizAxes === 0 ? 0 : (parentViewport.h - centerHeight) / numHorizAxes);
            const iCenterStart = parentViewport.iStart + leftAxes.length * vertAxisWidth2;
            const iCenterEnd = parentViewport.iEnd - rightAxes.length * vertAxisWidth2;
            const jCenterStart = parentViewport.jStart + bottomAxes.length * horizAxisHeight2;
            const jCenterEnd = parentViewport.jEnd - topAxes.length * horizAxisHeight2;
            for (let c = 0; c < topAxes.length; c++) {
                const jStart = Math.round(jCenterEnd + c * horizAxisHeight2);
                const jEnd = (c === topAxes.length - 1 ? parentViewport.jEnd : Math.round(jCenterEnd + (c + 1) * horizAxisHeight2));
                topAxes[c].viewport.setEdges(iCenterStart, iCenterEnd, jStart, jEnd);
            }
            for (let c = 0; c < bottomAxes.length; c++) {
                const jStart = (c === bottomAxes.length - 1 ? parentViewport.jStart : Math.round(jCenterStart - (c + 1) * horizAxisHeight2));
                const jEnd = Math.round(jCenterStart - c * horizAxisHeight2);
                bottomAxes[c].viewport.setEdges(iCenterStart, iCenterEnd, jStart, jEnd);
            }
            for (let c = 0; c < leftAxes.length; c++) {
                const iStart = (c === leftAxes.length - 1 ? parentViewport.iStart : Math.round(iCenterStart - (c + 1) * vertAxisWidth2));
                const iEnd = Math.round(iCenterStart - c * vertAxisWidth2);
                leftAxes[c].viewport.setEdges(iStart, iEnd, jCenterStart, jCenterEnd);
            }
            for (let c = 0; c < rightAxes.length; c++) {
                const iStart = Math.round(iCenterEnd + c * vertAxisWidth2);
                const iEnd = (c === rightAxes.length - 1 ? parentViewport.iEnd : Math.round(iCenterEnd + (c + 1) * vertAxisWidth2));
                rightAxes[c].viewport.setEdges(iStart, iEnd, jCenterStart, jCenterEnd);
            }
            for (let c = 0; c < centers.length; c++) {
                centers[c].viewport.setEdges(iCenterStart, iCenterEnd, jCenterStart, jCenterEnd);
            }
            for (let c = 0; c < others.length; c++) {
                others[c].viewport.setEdges(0, 0, 0, 0);
            }
        }
    };
}
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Redistributions of source code must retain the above copyright notice, this\r\n *    list of conditions and the following disclaimer.\r\n *\r\n * 2. Redistributions in binary form must reproduce the above copyright notice,\r\n *    this list of conditions and the following disclaimer in the documentation\r\n *    and/or other materials provided with the distribution.\r\n *\r\n * 3. Neither the name of the copyright holder nor the names of its contributors\r\n *    may be used to endorse or promote products derived from this software without\r\n *    specific prior written permission.\r\n *\r\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\r\n * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\r\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\r\n * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\r\n * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\r\n * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\r\n * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\r\n * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\r\n * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r\n */\r\nimport { Layout, LayoutEntry } from '../core';\r\nimport { BoundsUnmodifiable } from '../bounds';\r\nimport { Side } from '../misc';\r\nimport { hasval } from '../util/util';\r\n\r\nexport function newPlotLayout(options?: { horizAxisHeight?: number; vertAxisWidth?: number }): Layout {\r\n    const horizAxisHeight = (hasval(options) && hasval(options.horizAxisHeight) ? options.horizAxisHeight : 60);\r\n    const vertAxisWidth = (hasval(options) && hasval(options.vertAxisWidth) ? options.vertAxisWidth : 70);\r\n\r\n    return <Layout>{\r\n\r\n        updateChildViewports: function (children: LayoutEntry[], parentViewport: BoundsUnmodifiable) {\r\n            const topAxes = <LayoutEntry[]>[];\r\n            const leftAxes = <LayoutEntry[]>[];\r\n            const rightAxes = <LayoutEntry[]>[];\r\n            const bottomAxes = <LayoutEntry[]>[];\r\n            const centers = <LayoutEntry[]>[];\r\n            const others = <LayoutEntry[]>[];\r\n            for (let c = 0; c < children.length; c++) {\r\n                const child = children[c];\r\n                switch (child.layoutArg) {\r\n                    case Side.TOP: topAxes.push(child); break;\r\n                    case Side.LEFT: leftAxes.push(child); break;\r\n                    case Side.RIGHT: rightAxes.push(child); break;\r\n                    case Side.BOTTOM: bottomAxes.push(child); break;\r\n                    case null: centers.push(child); break;\r\n                    default: others.push(child); break;\r\n                }\r\n            }\r\n\r\n            const numVertAxes = leftAxes.length + rightAxes.length;\r\n            const numHorizAxes = topAxes.length + bottomAxes.length;\r\n            const centerWidth = Math.max(vertAxisWidth, parentViewport.w - numVertAxes * vertAxisWidth);\r\n            const centerHeight = Math.max(horizAxisHeight, parentViewport.h - numHorizAxes * horizAxisHeight);\r\n            const vertAxisWidth2 = (numVertAxes === 0 ? 0 : (parentViewport.w - centerWidth) / numVertAxes);\r\n            const horizAxisHeight2 = (numHorizAxes === 0 ? 0 : (parentViewport.h - centerHeight) / numHorizAxes);\r\n\r\n            const iCenterStart = parentViewport.iStart + leftAxes.length * vertAxisWidth2;\r\n            const iCenterEnd = parentViewport.iEnd - rightAxes.length * vertAxisWidth2;\r\n            const jCenterStart = parentViewport.jStart + bottomAxes.length * horizAxisHeight2;\r\n            const jCenterEnd = parentViewport.jEnd - topAxes.length * horizAxisHeight2;\r\n\r\n            for (let c = 0; c < topAxes.length; c++) {\r\n                const jStart = Math.round(jCenterEnd + c * horizAxisHeight2);\r\n                const jEnd = (c === topAxes.length - 1 ? parentViewport.jEnd : Math.round(jCenterEnd + (c + 1) * horizAxisHeight2));\r\n                topAxes[c].viewport.setEdges(iCenterStart, iCenterEnd, jStart, jEnd);\r\n            }\r\n\r\n            for (let c = 0; c < bottomAxes.length; c++) {\r\n                const jStart = (c === bottomAxes.length - 1 ? parentViewport.jStart : Math.round(jCenterStart - (c + 1) * horizAxisHeight2));\r\n                const jEnd = Math.round(jCenterStart - c * horizAxisHeight2);\r\n                bottomAxes[c].viewport.setEdges(iCenterStart, iCenterEnd, jStart, jEnd);\r\n            }\r\n\r\n            for (let c = 0; c < leftAxes.length; c++) {\r\n                const iStart = (c === leftAxes.length - 1 ? parentViewport.iStart : Math.round(iCenterStart - (c + 1) * vertAxisWidth2));\r\n                const iEnd = Math.round(iCenterStart - c * vertAxisWidth2);\r\n                leftAxes[c].viewport.setEdges(iStart, iEnd, jCenterStart, jCenterEnd);\r\n            }\r\n\r\n            for (let c = 0; c < rightAxes.length; c++) {\r\n                const iStart = Math.round(iCenterEnd + c * vertAxisWidth2);\r\n                const iEnd = (c === rightAxes.length - 1 ? parentViewport.iEnd : Math.round(iCenterEnd + (c + 1) * vertAxisWidth2));\r\n                rightAxes[c].viewport.setEdges(iStart, iEnd, jCenterStart, jCenterEnd);\r\n            }\r\n\r\n            for (let c = 0; c < centers.length; c++) {\r\n                centers[c].viewport.setEdges(iCenterStart, iCenterEnd, jCenterStart, jCenterEnd);\r\n            }\r\n\r\n            for (let c = 0; c < others.length; c++) {\r\n                others[c].viewport.setEdges(0, 0, 0, 0);\r\n            }\r\n        }\r\n\r\n    };\r\n}\r\n\r\n"]}