Photoshop :: How To Create Height Maps To Simulate Water?
Jul 23, 2007
I'm trying to simulate water in a community game I am building. I need to create a good number of frames to test one method, but I don't know how to go about it. Since these would be height (bump) maps, color is really not necessary. Basically, I need to create frame by frame to simulate water. The game engine will actually paste them together to form the animation.
The problem is I just don't know how I can go about creating the ripples frame by frame. I'd probably like to try to make 50 frames or so. I know about the ripple filters, but how would I use them to create a series of frames?
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May 28, 2011
I am currently rendering 3D models' height maps using a gradient ramp with an UVW map. The models can be trees, characters etc, it's not terrain.
I would really like to know how to use all 16,777,216 colors so that my height maps have that many different values.
So far I only managed to used the gradient ramp and gain a total of 766 different height values. I use 4 colors in the gradient, here is how:
- First gradient ramp color is full black, and placed at position 0
- Second one is at position 33 and is RGB(0, 0, 255)
- Third one is at position 67 and is RGB(0, 255, 255)
- Fourth one is full white at position 100
This totals 766 different height values retrieved using R+G+B (0 to 255+255+255). What should I do to use the full 16 millions colors?
With my current gradient ramp I cannot use the whole RGB value (i.e. a 24 bits integer, 0 - 16,777,215). I have to separate channels into 8 bits integers (0-255), because with 24 bits a higher value is not necessarily representing a higher height. That's due to the way my gradient is made, and I couldn't find better than what I use.
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Apr 23, 2012
Basically I want to create a heightmap from a colormap (a game texture). Heightmaps are used by my shader to add additional detail to surfaces (see herefor a such a surface). This technique is called Relief Bump Mapping and produces pretty cool result if the shader gets a decent heightmap.
My problem is that I only have colormaps and want to create the heightmaps in Paint.Net. So far I simply played around with the contrast and and brightness of the picture, but the results are not perfect...
I uploaded some scaled down pictures which illustrate my problem a bit better:
This is my colormap texture:
If I am using my technique (changing contrasts and brightness) I don't get good results.
The red parts show the most problematic zones of the heightmaps. Since black means no height and white means height, these regions don't contain any height informations...I already thought about using a edgre filter, but the built in one doesn't seem to be very good.
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Oct 2, 2007
I'm trying to create or simulate a back light as highlights for a portrate photo. When the picture was taken there is no back light and the picture looks very flat. How or what are some of the methods use to creat back light as highlights for a portrait photo?
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Oct 2, 2007
I'm trying to create or simulate a back light as highlights for a portrait image. When the picture was taken there is no back light and the picture looks very flat. How or what are some of the methods/tecniques use to creat back light as highlights for a portrait photo?
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Jul 28, 2004
way to create a good bump map from a picture?
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Jul 14, 2012
I'm trying to create a bump map for use in 3D rendering (3ds Max). This is the diffuse map i've created:
Problem is, no matter how much i fuss around with exposure, curves, hight pass filter, this is all i'm getting:
As you can see it is very "jagged" and looks terrible when rendered. I tried to clean it, but despeckle doesn't do it. I need something clean looking, like this one:
What is the proper way of creating this kind of bump map?
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Apr 13, 2009
How to create this water effect ?
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Mar 3, 2013
How do i remake this type of reflective image?
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Mar 21, 2008
I want to apply geographic map over another image but to look like water stamp over the image. How can I create such effect with photoshop or some plugin is aveilable.
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Sep 1, 2004
i have 2 questions:
1) how can i create water?
2)how can i place sunglasses on somebody's face?? i meen i can't get it perfect.
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Oct 25, 2013
I've been using Blender a lot recently, and, not wanting to front the money to buy a Normal Map generation program or (oh dear) use GIMP of all things, I decided to try creating a Normal Map in Paint.NET.
What is a Normal Map, you ask? Normal Maps are images that are used in conjunction with a texture to give the texture false 'depth', allowing, say, light to shine onto the bricks in a texture while not getting into the cracks between, or making light come from a specific side.
The original texture:
The normal map:
The result:
Not the best, as you can clearly see.
How could I make improvements? Is this even practical?
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Jul 4, 2004
I have a pic that has a really pretty view of a bridge over a little stream. Only problem is the water is covered with slimy green algee.
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Mar 7, 2012
any tutorial to transform a brush of water, in "water authentic"? Color, brightness, etc .........
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Apr 22, 2013
how to create a 'front' line for a map such as the one attached? Other than taking individual arrowheads and rotating them, I mean.
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Jan 16, 2013
how to create a moister steam flow similar to the image attached,is there some some plug-in or other way of doing it easily?
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Mar 24, 2013
I have for a long time struggled with obtaining hi resolution maps to include in my movies of trips I have done.
I have searched the internet for images of such maps for download and even used screen shots when using Google Earth.
I always wanted a higher resolution so that I could ZOOM in without the image becoming too fuzzy due to the fact that I was ending with an image of only (say) 512 x 288.
I am also a fan of FSX (M/S Flight Simulator) and recently taught myself how to create photo-realistic scenery which uses the TILES from Google Earth to create extra large (in pixels) images of parts of the world.
Today I realised that I could use the same to create images for maps to use in movies (I recently created an image around 5200 x 3000 pixels - the only limit to image size is how much memory you have and so using a 64bit processor and system works a lot.
It is named sBuilderX and it is available from [URL]....There is documentation within the zip file HOWEVER to create the image files for hires maps you will need to search for and download file make_photo-real_ground_textures_in_fs_x.zip which is available as a free download at [URL]...
You may need to join the web site (FREE) to enable the download.
Within sBuilderX you can choose to use Google Earth or or Microsoft Live Virtual Earth, terrain or streets. Also note that the image files are BGL files only however you can change those to JPG if required.
Hope this may have useful for few people who like to include hires maps (which they can use zoom without loosing sharpness) in their movies.
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Aug 20, 2013
Any finding the Create Water Drop very slow in 2014?
IDSP Premium 2014 (mainly Civil 3D 2014 UKIE SP1 & Infraworks with some limited 3ds Max Design)
Win 7 Pro x64, 256Gb SSD, 300Gb 15,000 rpm HDD
16Gb Ram Intel Xeon CPU E5-1607 0 @ 3.00GHz (4 CPUs), ~3.0GHz
NVIDIA Quadro 4000, Dual 27" Monitor, Dell T3600
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Nov 1, 2005
possibilities to create water surface in Gimp. I found a simple way that creates the water surface mostly found in 3d games. Further you can create ripples animation using script-fu called water waves.
Follow steps below.
[*] Start with new image of desired dimensions
[*] Go through menus Script-Fu > Render > Lava
a new window will appear, select gradient named Horizon 2 (if you do not have this gradient in list, then download attached file, I do not remember from where I downloaded this file, credit goes to respective author.
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Jan 4, 2014
I would like to ask how can I create white foam in a water simulation like the photos bellow....Of course this has been done in a 3D software and specifically in Maya. I want to ask if something similar can be done entirely in After effects (in a smaller scale).
Using Red Giant Psunami for creating the water simulation is OK. But psunami doesn't support foam so it is not that realistic. Some plugins combination maby that can provide the foam effect?
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Feb 28, 2011
I would like to know if I can import my AutoCAD 3d file into 3DS MAX, with the lighting maps and material maps intact. This is because I am doing my thesis on AutoCAD 2011 but I would like to use 3DS Max to do a walk through video.
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Mar 1, 2013
I have this HUGE maps I have to import to create pan and zooms. The file is a PNG with a resolution of 25000 x 16400px. Smoke doesn't play nice when I import this dil. It's all black and won't render. If there a max file resolution in Smoke? Or is it a problem with PNG files? (I tried with PSD adn it did the same).
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Jul 14, 2013
Had tried several unconvincing efforts to create background for my flyers with droplets splashing outwards. But is there any way of doing in convincingly?
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Jul 7, 2011
I want to make a fountain that has water jets that cause ripples when they hit the water. I have tried the basic reactor water and Pflow setup, as well as super spray, but neither seem to work. Is there any way to accomplish this without "faking" it by doing something creative with the water's texture?
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Nov 16, 2012
We are creating a parametric family for our window product. We have managed to create maximum constraints for both height and width. However combined with the maximum height and width we have a maximum area alllowance. We are struggling to find a way to build this into our parametric family. How this might be achieved? Is it possible to display warning text boxes within Revit?
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Mar 23, 2004
I have photoshop 7 and like to create some 3D water drop which I can see throw it. I preferred the realistic looking ones.
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Feb 24, 2009
I am trying to create a website for my company. I am trying to make it an auto height adjusting website. How do I do that in CorelDraw 12? Also, what is the optimum pixel size that I should set to the page? Right now I have it at 1140 pixels x 900 pixels.
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Apr 19, 2013
I'm trying to create a dynamic block that stretches between a minimum and maximum height. The block I'm trying to create is an "Acrow Prop" which has a height that ranges between 1050-1830mm. Is there any way to set a function that will stop stretching out side of these figures?
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Oct 25, 2012
how to apply a filter to a Floor Plan to color code my Walls by Unconnected Height for coordination purposes?
I want to disseminate which walls are currently modeled to deck and which ones stop short so I can selectively coordinate this.
This seems completely logical, but I don't see the option to allow this.
Why does Revit allow me to schedule the Length of a Wall, but not it's Height - am I missing something?
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Nov 15, 2012
I am trying to create a custom message box with variable width and height by passing width height title and list of text. I can get the routine to work if I use preset width and height, but would like to make the box adjustable.
Here is what I have so far -
;--dialog box--
MYmessage :dialog{
label="Custom message box";
:column {
:text {
key="MY_message_Title";
fixed_width_font=true;
[code].......
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Mar 12, 2008
I want to create the opposite of 'simulate pressure', that is when stroking a path, I want the beginning (and end) of my line to be thicker and in the middle smaller..
how can you do that with PS 7 ?
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