PROBLEM TO BE SOLVED: To improve visibility of serial physical value distribution in an organ.SOLUTION: A rendering apparatus 300 comprises an acquiring section 301 for acquiring an organ model which is a set of elements each having a physical value corresponding to each position of an organ, a setting section 302 for setting a plurality of planes which intersect with the organ model and are at predetermined angles with respect to the direction of a point of view line extending from a predetermined point of view position, an allocating section 303 for allocating physical values corresponding to elements that intersects with the set plurality of planes among the set of elements to cross-sections of the plurality of elements where the set plurality of planes intersect with the elements of the organ model, and a rendering section 304 for rendering the cross-sections of the plurality of elements of the organ model to which the corresponding physical values are allocated on the basis of the corresponding physical values.COPYRIGHT: (C)2014,JPO&INPIT【課題】臓器における連続的な物理値分布の視認性の向上を図ること。【解決手段】描画装置300は、臓器の各位置に応じた物理値を有する要素の集合である臓器モデルを取得する取得部301と、所定の視点位置からの視線方向と所定の角度をなす前記臓器モデルと交わる複数の平面を設定する設定部302と、前記要素の集合のうち、設定された前記複数の平面と交わる要素に対応する物理値を、前記複数の平面が前記臓器モデルの要素とそれぞれ交わる面である複数の要素の断面に割り当てる割当部303と、前記対応する物理値が割り当てられた前記臓器モデルの前記複数の要素の断面を、前記対応する物理値に基づいて描画する描画部304と、を有する。【選択図】図3