Motion paths need measurements and constraints
There should be a modfier key to constrain the shape of motion paths. Currently if you insert a "Circle" motion path, you actually get an oval the same aspect ratio as the slide. At the same time, the motion relative to the path is set to be constant along the oval. If you stretch the oval back to a circle, the object on the path speeds up and slows down instead of moving at a constant rate. If you could hold down the a modifier key and get a perfect circle, all this hassle would be avoided. We also need to be able to apply sizes and positions to motion paths using numeric input.
Kurt Daisley commented
Being able to precisely determine the position at which motion paths begin and end (using Position coordinates) would banish hours of tweaking guesswork. It would be a real step up for PowerPoint.It might be worth asking users which animations they no longer use, and take those out, replacing them with useful features like this one.
Jem Shaw commented
Yes, yes, a thousand times yes! It makes absolutely no sense at all for the motion path to be related to display aspect. A circle should be a circle irrespective.
Modifier constraints should allow for forced circle/square and corner or centre origin.
Numeric co-ordinates are needed to allow a motion path destination to be re-used as the origin for ensuing slides. And they need to be in pixels rather than centimetres! If we're animating then by definition we're working to screen not to print.
Nick Frewin commented
as i used my measly 3 votes up a long time ago (yet am a constant contributor to this forum), i can't vote - but completely agree about this.