In this lesson video, we are going to discuss on how to precisely transform objects by inputting the values. But before we do that, let's discuss about the measurement unit for us. If you open the properties editor, and then open the sin Properties panel, which is this tab here, in the unit's section, you can see the vendor by default uses the metric system for the measurement unit. If you live in the US, you might want to switch to the imperial system here. For our course, we will stick with the default, which is the metric system. Knowing the measurement unit is important because Blender will use that unit system for a value input and for displaying the transformation values.

We can transform an object using a value input with two methods, first, via the less operation parameters, and second by using the keyboard shortcuts. Let's discuss each of these methods one by one First is the less operation parameters. If you move or rotate or scale an object using the tools here, or using the shortcut method, for example, I can select this object and then press G and then move it like this, then left click to confirm the new location, you will see a small collapse panel show up here. With this panel, you can revise the left operation right after it is executed. To access this panel, you can also press f9 if you prefer a floating panel near your mouse cursor location, here we can see some values in the X, Y and Z axis. Now you need to understand that these values are not coordinates.

I repeat, these are not coordinates that you see in the sidebar or in the Properties panel. These values are the amount of movement in x, y and z directions that happened during the last operation. If you have Over one of these input fields, and then press backspace it will zero out all of them and essentially make the object back to its original position. If you click on the X value, and then type one, then enter, we can see the object moved one meter to the positive x direction. Now because Blender understands the measurement unit, if you type 150 cm, for example, then hit enter the object move 1.5 meters. So yes, besides the number, you can type in the measurement unit such as millimetre, decimeter centimeter kilometre, etc.

Essentially, you can use every unit exists in the metric system, but if you type in the value in meter, you don't really need to type em behind the number because meter is already the default unit. If you are using the imperial system, render also understands inches fit Miles, etc. Now, you might be wondering, can I use images inside the metric system? The answer is yes, you can. This is what's so great about vendor. Even if you have the metric system active you can input in imperial units, Blender will convert that value correctly.

For example, if I type 100, and then type double quote, we get the correct result in meter. Now double quote is just one way of expressing the end unit. You can also type inch then enter, or you can do this just by typing in. So for example 100, then in then enter. So as you can see, blender is quite smart for accepting different types of formats and units. Something that you need to remember is that this panel only shows up once right after you execute the operation.

If you do something else after that, then the parameters will be gone forever replaced by The parameters of the new operation. So for example, if I scale this object, we can see the scale values we did before in here, then you can still revise it if you want to. But if you do something else, like rotating the object, now the parameters here are about the rotation and not about the previous scale anymore. Even if you just click on empty space like this to the select the object, the panel and the parameters are gone forever. The next method of transforming objects using value input is by using the keyboard shortcut. Let's say we want to move this object up for three meters.

To do this via shortcut, first, press G to go to the move mode, then press z to constrain it to the z axis, then type three, then hit enter or spacebar. We can see the cube just move upward for three meters. So essentially, if we have the metric unit system, active Every time you type in a value, that value will be considered as meter. Now what if we want to move the object for 10 centimeter then well, we can type 0.1. To do that, for example, we want to move this cube to minus x axis direction for 10 centimeter. To do that, first, press G, then x, then type minus 0.1, then hit enter.

Now sometimes when typing values like this, we make mistakes, perhaps we forget to type in the minus symbol, or perhaps we type too many zero. If this ever happens to you, don't worry, you can always revise it as you go as long as you haven't pressed the enter key. So for example, let's say you want to move this object minus two meters in the z axis direction. So you press G, then z, and then you mistakenly type 20. You forget the minus symbol and also you have More zero than you need. Notice at the top left area Blender actually displays the value that you type.

If you press backspace, you can see the value now is back to two meters. If you press five, for example, then you get 25 meters, pressing zero now we'll get you 250 meters. Now, pressing backspace once will get you 25 meters again, and if you press backspace, now you will get two meters again, basically, this is like typing in value inside an input field except you don't see the text cursor. Now to fix the minus symbol, you can actually press the minus key anytime you like. It doesn't have to be before typing the number. So at this stage, pressing the minus key will get you minus two meters.

But if you press minus again, then this will get you a positive value of two meters again. So that is how you use it. shortcut to input transformation value. You can do this also through rotation and scale transformation. The concept is basically the same. But just to give you an example, let's say we want to scale this monkey head model twice the size of the current size.

We can do that by selecting the object, then press S, and then press to then enter. Another example, let's say we want to rotate the monkey model so it is facing up straight. To do this, we can rotate it in x axis by 90 degrees. So press R, then x and then type 90. Notice 90 degrees actually make the monkey head facing down straight. This is not what we want.

So in this condition, simply hit the minus key on the keyboard. The rotation now happens in reverse. the minus key is like a toggle button, so you can press it again to reverse the rotation of the dead. Just press Enter or spacebar