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Google SketchUp - Politecnico di Milano

Google SketchUpGoogle SketchUp -- A A brief brief introductionintroduction--Luana ValentiniInternetGIS course - 2011 Create 3D models and share them with the worldCreate 3D models and share them with the worldGoogle SketchUp is software that allows you to create 3D modelsof anything you like. Model anything you can imagine: Redecorate your living room. Design a new piece of furniture. Model , ,thenexportan animation and share it on YouTube. There's no limit to whatyou cancreate with SketchUp .You can build models fromscratch, or you can download what youneed. People all over the world share what they've made on theGoogle 3D Warehouse. It's a huge, searchable repository ofmodels and it's tools3D toolsOrbit tool to look around the 3D modelZoom tool to zoom in/zoom outBasic Tools:Pan tool to move your view (without orbiting)or use the scroll wheel to navigate:Roll the wheel forward and backward to zoomPress and hold the wheel to orbitPress + Shift to panDraw shapes (1)Draw shapes (1)Rules:1.

Create 3D models and share them with the world Google SketchUp is software that allows you to create 3D models of anything you like. • Model anything you can imagine:

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Transcription of Google SketchUp - Politecnico di Milano

1 Google SketchUpGoogle SketchUp -- A A brief brief introductionintroduction--Luana ValentiniInternetGIS course - 2011 Create 3D models and share them with the worldCreate 3D models and share them with the worldGoogle SketchUp is software that allows you to create 3D modelsof anything you like. Model anything you can imagine: Redecorate your living room. Design a new piece of furniture. Model , ,thenexportan animation and share it on YouTube. There's no limit to whatyou cancreate with SketchUp .You can build models fromscratch, or you can download what youneed. People all over the world share what they've made on theGoogle 3D Warehouse. It's a huge, searchable repository ofmodels and it's tools3D toolsOrbit tool to look around the 3D modelZoom tool to zoom in/zoom outBasic Tools:Pan tool to move your view (without orbiting)or use the scroll wheel to navigate:Roll the wheel forward and backward to zoomPress and hold the wheel to orbitPress + Shift to panDraw shapes (1)Draw shapes (1)Rules:1.

2 Draw a closed loop of edges to create a surface2. Watch the axis directions and use inferring to line un edgesInferring:ability of SketchUp to line edges for youSimply hold on to the point you want to line up with for few seconds and thengo back and draw slowly until SketchUp shows you a dotted lineDraw shapes (2)Draw shapes (2)Rules:1. Learn and use the different inference points End point Middle of an edge Intersection On the edge1. Always draw to and from existing edges don t draw new edges over existing edges On the facemidpoint -midpointDrawing (1)Drawing (1)Rectangle:to be accurate with the rectangle type thedimensions separated by a comma ( : 3m,5m) andpress Enter .Line:you can type the length of the line. Any edge canbesubdivided:rightclickandchoose Divide ,thenmovebesubdivided:rightclickandchoos e Divide ,thenmovethe cursor to choose the number of Esc to stop using any tool.

3 Right click to see Entity Info .Circle/Polygon:you can type the radius of the can change the number of sides by typing a numberfollowed by the letter s (circles have a default of 24sides, polygons 6). Hover your cursor over the edges tosnap to center (2)Drawing (2)Arc:is a 3 steps process:1) define the first end point of the arc;2) define the second end point of the arc;3) ) can type an exact radius if needed and also snap to a half circle inference or draw arcs tangent to adjacent edges (magenta lines andarcs to indicate tangency), also in sequence (blue: the new arc istangentto the previous one).By default arcs have 12 segments, type a new number + s if you wantto change be careful not to cross over edgesTools (1)Tools (1)Push/Pool toolIt works on any flat shape, in anydirection (direction perpendicular tothesurface)thesurface)Accuracy: begin an action(such as push/pool) type in a value( : 15cm for 15 centimeters, for meters) press the Enter keyTools (2)Tools (2)Push/Pool toolUse the inferring capacity to be sides are parallel you can also cutopenings(unlessyouhaveanedgeopenings( unlessyouhaveanedgeon the other side).

4 Move toolYou can move: Endpoints Edges Surfaces Selected Entities Grouped ObjectsFollowme tool: this tool requires aprofile shape and a path to pull theshape (3)Tools (3)Tape Measure tool:1) measure edges and distances;2) create construction geometry/dashed guidelines;3) resize individual groups or the entire tool:tomeasureanglesandcreateconstructio n guide lines. To measure an angle, click onceand release to anchor the center point. Then click again todefine a reference point and a third time to finish and createthe guide line. You can always type a tool:allows you to reorient red, green, blue axes. Clickonce to place the axes origin, then move the red axis in thedesiderated position and click again to place it. Do the samefor the other two (4)Tools (4)Eraser toolIt only affects edges, not surfaces.

5 You can hold the button down anddrag over multiple edges. Toggle X-Rays mode on to erase edgesbehind a Shift keytohideedges youdon Shift keytohideedges youdon the Ctrl key to soften an edge surfaces with a smoothgradient. Unsoften edges by holding Ctrl + Shift Selection toolYou can select individual entities by clicking on them with the Select single click will select edges, surfaces and objects that are : one click select the surface, a double click selects the surface andits bounding edges. A triple click selects all connected vs GroupsComponents vs GroupsThere are 2 ways to isolate geometry in SketchUp . You can create aGroupor aComponent. Groups and Components look very similar, but they behavedifferently.

6 Select all the necessary geometry, then choose Make Group from the Edit menu. That geometry now behaves as one entity. Selectthegeometryforalltheobjects,thench oosethe Makecomponent Selectthegeometryforalltheobjects,thench oosethe Makecomponent icon from the toolbar.(Click the Create button on the CreateComponent window that appears).Groups and Components appear the same, with a bounding box indicating theyare unique :*Groups have no relation to each other; any copy of a Group is acompletely unique entity.*Components are linked to each other, any change to one componentisreflected in every instance of that Component. If you are not going to make any copies of your object, make it make changes to geometry inside a component you need to edit thatcomponent: right click on the component and choose Edit Component , thenmake changes (or double click on the component with the Select tool).

7 Rightclick outside the component and choose Close Component when finished (orleft click outside the component with the Select tool).Any components you create are stored in the Components Browser: Window > Components Goal:get great levels of detail into your model withoutovertaxing people systems who want to browse the scenesthat you have for Google Earth (1)Modeling for Google Earth (1) Clean surfacesthat are not seen in anyway ( : interior surfaces,bottomsurfaces, etc.) or invisible geometries. Important detain only, according to the scope. Whenever possible, usesingle flat faces. Simplify curves: the default arcs and circles in SketchUp are toocomplicated to work well in Google Earth ( : 8 faces instead of anarc).

8 Colours:forsmallfacesorhardtophotographa reasinyourmodel,Modeling for Google Earth (2)Modeling for Google Earth (2) Colours:forsmallfacesorhardtophotographa reasinyourmodel,plain coordinated colours can work nicely. Hide edges: once you have put the texture, turn on hidden geometry,select all and right click on edges to hide them. Resizeand cut yourimagesbefore using themas textures beforeimporting Optimization in Photoshop (1)Texture Optimization in Photoshop (1)View > Show > Grid> Gridif you want to see a grid as a Optimization in Photoshop (2)Texture Optimization in Photoshop (2)Save for Web & smaller the images the better the performances will beFile > navigate to the optimizedimage that you want to use as ApplicationTexture on the lower left cornerand drag till you cover thesurface, then right click:Texture > PositionRight click and uncheck fixed pins.

9 Move the yellow pins freely in the position on thephoto of the actual building and drag the pins in the correct position on the You can start creating the model in the correct locationimporting the viewfromGoogle Earth. Click on the icon 'Add Location'to select the area youwanttoimport:Model Positioning (1)Model Positioning (1)wanttoimport: Google Earth tools:Model Positioning (2)Model Positioning (2)Obtain Google Earth viewObtain Google Earth viewView terrainAdd a new buildingObtain/share model or componentStreetView Photo texturePreview in Google EarthModel Positioning (3)Model Positioning (3) If you haven t created the model in the correct position, you canalways click on the lower left corner icon ( Model Info ) andgo to the Position tab: some cities where Google has a proper imagery dataset you have thepossibility to easily build up a 3D model of Building MakerGoogle Building MakerLevels of Detail.

10 CityGML plugCityGML plug-- surface types:CityGML plugCityGML plug--in (1)in (1) :CityGML plugCityGML plug--in (2)in (2)


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