Hi,
V5
I have never used the background Bitmap option, and I am clealy doing something wrong.
I run the command, browse to the .bmp file
choose 0,0 as the first point then drag out a box shape when in ortho view and click for the other corner and nothing appears.
How does one use this command ?
I see a line of options during the run and dont seem to need to alter any of them so hit enter, and nothing happens.
Hi,
I create a new file, and in ortho front place the .bmp, it appears.
I dont see it in perspective view.
I wanted to orientate and angle my object to match the view in the image, so would need to be doing so in perspective view.
How is this done ?
That’s normal… Read the Help for BackgroundBitmap. It is applied to one viewport only. That is one of the main important differences between BB and Picture (frame). It is not an object like a picture surface, it is just an image that is in the background of a viewport (hence the name) and that will zoom in and out with the camera.
Place the BB directly in the Perspective viewport.
I think a much better tool for this use would be PictureFrame.
It creates a surface and applies the image to it. You can position, move, and scale the surface put get it where you want it.
It also is not part of the viewport definition as it is geometry.
Then “Lock” it so you can trace over it.
You will need to align your CPlane with the image so the curves end up where you expect them to go.
As I rotate and alter the view of my object in PerspectiveView, the image would also move about !
I need it static in background whilst I make the drawn object match the real thing in the non moving background image.
Imagine I have drawn a tractor, and I want to check I have the bonnet the right length and the artwork on the cab side in the right place, by making the drawn object match the photo which was taken at an oblique angle by someonwe else decades ago, I can see if I am ok.
with image not moving about in perspective view, I can rotate and zoom until my tractor best fits with the image.
Hi,
that looks like top view though, I was after seeing the picture standing upwards from the floor, with the grid as the ‘floor’,
is that what you see when placing the bmp into a ‘front’ view window ?
Hi,
with my tractor sitting on the grid in perspective view, I need the image behind it, not below it.
How is that done ?
looking a bit like this, imagine the picture is an actaul photo, I then rotate and alter my view on my model until it matches the background.
Imagine the background has logos on tractor, I can suss if I have them correct on model.
I do need the image up behind the tractor, like a drive in movie. with one tractor attending !
but picture frame will move aroind as I move around the tractor.
I need a background that stays put independent of whatever rotations etc I am doing in perspective view.
PictureFrame is related to the grid, I need a background image that stays static whatever tumbling and rotation I am doing in perspective view.
I use parallel view at most times as its the only way to zoom in close, and for this it will need to be perspective view to get perspective on the object, as if taken with a camera.
Go to a front or side view where you want the bitmap to be in the background and set the bitmap then switch to top view. Don’t change viewports just change the view to Top. Then change the viewport property to perspective. Don’t worry about the name of the viewport any viewport with any name can be switched to perspective and back using the viewport properties.
You may need to adjust the lens length also to get the perspective to match the photo.
Set the image as Wallpaper in your Perspective viewport.
Align the 3D model to the image with zooming, panning, and changing the lens length as necessary.
I didn’t take that much time to line up the one below, so it’s not exact, but you get the idea.
