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操作介面設計模式 第二版
book

操作介面設計模式 第二版

by Jenifer Tidwell
January 2012
Intermediate to advanced
584 pages
11h 56m
Chinese
GoTop Information, Inc.
Content preview from 操作介面設計模式 第二版
308
|
第七章
動態查詢(
Dynamic Queries
7
-
23
Google Public Data Explorer
這是什麼
sliders)和勾選方塊(checkbox),用於定義顯示的資料部分。隨著使用者調整
這些控制元件,立即反映在資料顯示區域。
何時使用
當你要展示一個大且具有多變量(multivariate)的資料集合時;集合可能是任何形
狀、任何表達方式。使用者需要過濾某些資料,以完成數個目標 包括擺脫不相
關的資料、觀察哪些資料點符合準則、瞭解多種資料屬性之間的關連、或只是探究
資料集合,隨便看看有什麼東西。
資料集合本身具有一群固定且可預期的屬性(或稱為參數、變數、維度……等各人
愛用的說法),是使用者感興趣的東西。它們通常是數字且有一定範圍;也可能是
可排序的字串、日期、類目或列舉(以一組數值代表非數字的值)。也可能是資訊
圖表上可見的資料區域,可以用互動的方式選取。
動態查詢也能套用在搜尋結果上。Faceted searches 就有可能用到動態查詢介面,
讓使用者能探索豐富的項目資料庫,例如產品、圖像或文字資料庫等等。
DI_2e_ch07.indd 308 2012/1/5 下午 04:00:36
模式
|
309
為何使用
首先,動態查詢相當容易學習。使用者不需要學會複雜的查詢語言;這是利用大家都
熟悉的控制元件來表達常用的布林表示 ...
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Publisher Resources

ISBN: 9789862762554