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ID:11746170
大小:1.29 MB
页数:12页
时间:2018-07-13
《素描画陶罐(柱体静物)的方法、技法、理论知识(超经典)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、素描画陶罐(柱体静物)的方法、技法、理论知识一、圆面与圆柱体的透视1.圆面的一点透视是我们最常见的透视之一,只有当圆面的中线与视中线重合andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlocki
2、ngofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.1
3、4.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisof
4、generallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacemen
5、t;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinter
6、facetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)
7、1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)的情况下,才称之为圆面的一点透视。我们常画的陶罐、玻璃杯、盘子、饮料瓶等所有人工制造的圆面都存在一点透视。2
8、.圆面也存在两点透视,但这经常是容易被忽略的透视现象。其实道理很简单,圆寓于方,方存在两点透视,那么圆面也就存在两点透视。我们画组合静物的时候,把一个盘子放在画面的左右两边,也就是说盘子的中线在视中线的两边,必然会存在两点透视。3.圆柱的两点透视,圆柱的中线与视中线重合的情况下,圆柱就是两点透视。我们常常会忽略竖线的地点透视,因此体会不到从上到下俯视的空间感。在以后画柱体静物的时候一定把竖线的透视画出来,让画面的透视是整体的。
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