Match Photo Lite – Part IV

– Locating the sides
CPGraphicTMtoolIn Match Photo – Part III before I drifted off talking about Scaling the model I had added a plane down the center from Right Side to Left Side. The intent is for this to act as a guide – bisecting the graphic. This will allow us to locate the near side of the Chimney.

Zoom into the upper section of the graphic so you have a clear view of the top of the chimney and the bisecting plane. This structure as I indicated has what was called the “Feeder Trough” at the very top. That’s the boxlike object the pipe is shown entering. Since this is centered on the chimney and since the bisecting plane bisects the center we can use this to locate the side of the chimney.

Select the Tape Measure Tool (T). Now, left click right on the vertical edge nearest the camera. Then move the mouse to the left. You will see a red line extending from that vertical edge – and a vertical black dashed line that follows the tip of the Tape Measure cursor. Move this back and forth until that dashed line divides the Feeder Trough exactly at the center – and left click.

Note: This is a very useful tool. Note that while you are moving the tool there is a Tool Tip that indicates how far you have moved from the vertical. It is repeated in the lower right of the screen under “Measurements”. If in a project you wanted to move that reference line (as that is what it is) a specific distance all you have to do is move it in the direction you want then simply enter directly on the keyboard the distance and hit enter. Simple as that the line will move there.

CPGraphicTMtool2Here, I rotated the model slightly counter-clockwise to make the graphic go away and what we did more obvious. The plane now has a dashed reference line that indicates where the side of the chimney was.
– Removing Excess
CPGraphicLtopNext we will use this reference line and draw a line directly on top of it. Select the Line Tool (L) and hover over where the dashed Reference line crosses. A red X will appear under the pencil shaped cursor and a Tool Tip indicating “Intersection” will appear. Left click to anchor the start of the line at this point.
CPGraphicLbottomMove down to the bottom of the plane and repeat where the reference line crosses the bottom of the plane. A blue line and rex x will show you when you are at the right place .. left click to set the line.
– Measure that distance
SideSliceRightLet’s see how far we moved in from the edge of the pan to the side of the chimney. I rotated the model so what we do next is clear. Select the Dimension Tool. Click the upper corner of the plane and the intersection of the top of the plane and the line we just made. The drag the dimension up just a bit. 44-1/4 in.
SideSliceLeftNow. Select the Tape Measure Tool (T) and repeat the process from the left side. Click the left vertical on the plane and move the mouse to the right on the X-axis (red). Don’t worry about how far just when the red line shows let go of the mouse and type 44.25 on the keyboard and hit enter. The dashed reference line will jump to that 44-1/4 in. distance. Select the Line Tool (L) and create the line on top of the dashed reference line. I added the dimension here – just because.
SideSliceDoneFinally – select the Eraser Tool (E). Erase the outside vertical lines, the horizontal lines connecting them to the inner verticals, the dimensions and the dashed reference lines.

Remember .. if you mess up and delete something you should not have (it WILL happen) .. Cntrl + Z is your friend. Alt + Backspace will also Unerase (and you can also select that from the menu)

– Chimney Thickness
PushPlane1Ok. Click the Filename Button at the top left of the screen – Fig.43-cropped. The graphic will show up and the narrowed plane will rotate back. This is the length of the chimney. We will use it to create the thickness.

With the black arrow cursor (tap spacebar to get to it if necessary). Select the surface of the plane. It will fill with a halftone (dots) showing it is selected. Select the Push/Pull Tool (P). Now PUSH on that selected plane. The plane with extrude. Push until the outer edge aligns with the edge of the chimney .. and let go of the mouse. Success!

Note: The Push/Pull Tool pushed that plane 47 in. It showed that both in the Tool Tip and in the box and the bottom (labeled “Distance” in this instance)

HalfChimmneyI rotated the model a bit so the graphic went away and added that 47 in. dimension (in case you forgot or were asleep!). I have pre-selected the face of the plane for the next step.
FullChimneySelect the Push/Pull Tool (P) and pull out on that face. Release the mouse and enter 47 on the keyboard and hit enter. We are getting close here .. just need to fix the height.
– Chimney Height
TapeTopChimneyClick the Filename button (Fig.43_cropped) to bring back the graphic and rotate the model into place. Zoom in at the top so you have a good view where you will be working. Select the Tape Measure Tool (T). Click the top edge of the chimney box (the plane we just finished extruding) and come down on the Z-axis (blue) until the dashed reference line aligns with the top of the chimney.

Note: I just came to the tops of what looks like cross-timbers. You could just as easily came to the top of the two end beams. This is a general reference for modeling after all.

ShortenChimney1Now. Rotate the model so you are looking down at the top of the model. You can see the top of the chimney and the dashed reference line. I pre-selected the top surface for the next step.
ShortenChimney2Select the Push/Pull Tool (P). Push down on the selected surface. While you do this move the tool so it touches the reference line we had. The tool will infer to that line and the tool tip “On Line” will appear so you know that the top of the model is even with that line. Click to set.
ModelingCompletedWe are almost finished. I clicked the File name button (Fig.32_cropped) to show the graphic and rotate the model back. Get rid of the dashed reference line. You could use the Eraser tool (E) or select Edit -> Delete Guides from the menu. Horray! We only need to add dimensions.
– Final Dimensions
FinalDimensionsFractionalSo we get to the end. The multiple pages of me pontificating can be done in just a few minutes. In the end what I wanted was to bring this structure back to life using the drawing. This is really just the “tip of the iceberg” as to what you can do. You could go in now and get a good idea of the sizes of the timbers .. simply use the Tape Measure Tool (T). I used the ladder rung spacing to scale the drawing but if you have a building you can use a door. Most of them are about 32 in. wide. If you haven’t that .. a person standing there will work.

Here I have gone and added all of the dimensions. This is still in Fractional Format.

FinalDimensionsArchitectural.. and Architectural Format.
Musings
I hope you find this helpful. You can recreate entire buildings using this. In fact – if you two photographs of the front and back of a building .. or sides .. with a common corner the program can combine them so you have a 360° model. (Note: with a common corner in both photos that means you put the origin at the same point. Ah ha! See .. there is a reason behind the madness!)

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