Aquari V2 Texture Pack

[Magdalen Dano]

Thebeginning of spring awakens buzzing bees, blooming flowers and one of the season's earliest risers, the croaking frog ... or is it a toad? Frogs and toads are both amphibians in the order Anura, called anurans. Scientists actually categorize toads as a type of frog. Generally, they follow the rule that all toads are frogs, but not all frogs are toads. Both amphibians are also indicator species, which means that their health reflects their habitats' health. Frogs and toads are an essential part of the food chain, which makes them a vital part of their ecosystems.

Frogs have thin, permeable skin that lets them absorb water and oxygen. A layer of mucus helps keep frogs moist and makes them feel slimy. On the other hand, toads have dry, thick skin. The thickened skin of their upper body helps them retain water so they can live in drier habitats. Toads usually absorb water through the thinner skin of their bellies.

If you look closely, you can see that even these amphibians' skin texture is different. Frogs have a smooth skin texture, but toads have bumps mistakenly referred to as warts. These "warts" are large, kidney-shaped poison glands behind toads' eyes called paratoid glands. These glands secrete a white, milky poison that tastes terrible and protects toads from predators.

Toads have stumpy hind legs and move in short hops. Their poisonous skin deters most predators from attacking them, so they don't need to rely on their legs to get away. Alternatively, frogs typically depend on their legs to escape predators. Their long, muscular hind legs make lengthy leaps a piece of cake.

Each frog and toad species has a unique song or call males sing to attract females during the breeding season. Most frogs and toads produce calls by filling their throats with air to inflate an air sac like a balloon. But some frogs have vocal sacs on the sides of their head. During the breeding season, male toads will let out a long trill call to attract female toads, which is longer and more melodic than the typical frog call.

Toads are often found in dryer terrestrial habitats than frogs because their thicker skin helps to retain water. Frogs lose more water through their skin, so they often live closer to aquatic habitats.

A frog's tadpole stage is often much longer than a toad's. In northern climates, bullfrog tadpoles can take as long as two years to grow and metamorphose into frogs. Depending on water temperatures, tiny black toad tadpoles can hatch in a few days and metamorphose into tiny toadlets in only four weeks. Toads sometimes lay their eggs in puddles or even water-filled tire ruts on dirt roads, so they must develop quickly before these temporary aquatic habitats dry up.

Despite their differences, both frogs and toads are in danger. From habitat destruction to a crisis-level fungal disease called chytridiomycosis, these amphibians need our help. One way to help protect these amphibians is to make space for them in our yards, community parks and other green spaces. For example, you can make a toad abode by creating a hole in the rim of a flowerpot and turning it upside down. Or you can place slabs of tree bark, curve side down, in shaded, mulched areas of gardens to provide a moist daytime refuge for toads. Both options provide shelter and shade for the amphibians that find it.

Does anyone have any idea on how I can create a realistic shader to emulate clear water? I am struggling because while clear water looks clear it also tends to change the color temperature of the water and there still tends to be a small amount of fine debris in the water. If anyone has any tips that would be great, I am using cycles rendering engine! (I can share the file with anyone if you want to get a better idea)

It's typical to use the glass shader for water. This gives you the transparency, reflection, and refraction needed, but has some issues. First, it renders too dark and too noisy, and second, setting the color ends up looking too uniform (I guess that's how I'd describe it...).

To fix the first problem, I suggest using a "fast glass" shader. It's the regular glass shader, but we make it fully transparent to any rays that we don't care about by mixing it with a transparent shader using only a few light paths as our factor. We only want it to look like the glass shader to shadow, diffuse, and glossy rays. This will render much faster since the water will now be invisible to any other rays (basically, invisible to most rays).

Now for color. If you look at water, it's color gets darker as you look at deeper water. This is because the water is absorbing light as it passes through. This is what the volume absorption shader was made for. Plug one into the volume input of your material output and pick a color and a density to see the light get absorbed and colored more in deeper areas than in thinner ones.

There are a few "gotchas" with the cycles volumetrics at the moment. First, they don't work on AMD GPUs. I think (but am not certain) that they finally work on Nvidia GPUs, and they should work on all CPUs now. Also, they're computationally expensive, so they increase render time noticeably. If you need to speed up renders and can't bear to cut volumetrics, google for tutorials on how to fake them. There are a couple of good workarounds out there.

As for the particles, you can mix your water with your particles' material using a noise texture as the factor. Running the texture through a greater/less than node allows you to select out just some of the noise. You'll have more control, however, if you run it through a color ramp node instead. Basically, sliding the black level up will choose your particle density just like a greater/less than node's factor and sliding the white level closer to the black level will control how fuzzy the particles are which is something you can't do with a greater/less than node.

The factor mixing from above can never cause particles to show up inside a mesh in a render that uses surface rendering. Blender and Cycles would expect you to do that by adding a particle system to the mesh. See below for a quick one.

This unique light weight sheet is made with a blend of cotton and synthetic fibers. This fiber combination allows this sheet to resist buckling and the need for stretching when applying light to medium wash. The lightly textured cold press surface is excellent when combining drawing media with watercolor and for fine detail work.

timas suas consideraes, muito esclarecedoras. Parece muito diferente do Strathmore que conheci. Que era muito leve, enrugava tremendamente mas produzia efeitos magnificos de fuses de manchas. Em tempo: jamais trabalhei com papel previamente esticado nem grampeado. Sempre ficam enrugados e quase nunca os estiquei com gua e vidros prensados. Emolduro-os enrugados mesmo. bem verdade que muitos no gostam; e sobretudo a folha precisa ficar praticamente solta dentro da moldura.

Madewell Polymer Lining Systems can be used to waterproof, corrosion-proof, and restore concrete structures in aquariums, zoos, and fish hatcheries. These lining systems provide a safe living environment for fresh and salt water fish and marine mammals.

Long time no see. I was busy on something else and so far not much time on this development for many months. In the holiday I manage to add the bubble effects, some waving plants and the jelly fishes.

Nice.

How did you do the underwater caustics?

I wanted to do a similar scene and thought of projected seamless texture and a lerp function interval to change the uv position.

How about the sun rays? Is it camera angle dependant?

Well, my ocean floor model will be a bit big so I might still use a projected texture (I think it might be faster than tiling a texture on it few dozen times).

But thanks for the info.

Also you could have a look at function lerp intervals: panda3d.org/manual/index.php/Lerp_Intervals (bottom of page).

Thats a pretty easy way to animate uvs:

a pirate boat with a huge octopus inside and it would much cooler if you have swarm formations in. do smaler fishes but descrease the count much up. and do in one shark which is splitting the swarm all the time.

Mazuri Spartan Aquarium Gel Diet is an easy-to-prepare exotic fish food for aquarium fish feeding that contains additional B12 which aids in digestion and slime coat production. Made from fish meal, this Mazuri fish food is shipped as a powder that is designed to be made into a gel prior to feeding. In addition to all the vitamins and trace minerals you need in an aquatic diet, Mazuri aquatic gel is highly palatable, is supplemented for vibrant coloration and has a long shelf life as a dry powder.

NEVER FEED DRY PRODUCT.Combine by weight 70% boiling water and 30% Mazuri gel powder. Adjust ratios to desired texture and need.Mix fully, pour into shallow pan. Refrigerate until firm.Cut to desired size and feed. Intake of 50% prepared Mazuri gel is recommended.Always provide plenty of fresh, clean water.Prepared gel should be consumed or discarded within 24 hours or stored no longer than 7 days

under refrigeration or up to 1 month frozen.If frozen, it is recommended that frozen batches be individually sealed in amount of usage, as repeated entry into the container exposes gel to oxygen.Thoroughly wash feed and water bowls on a regular basis. It is always good practice to wash hands thoroughly after feeding and/or handling animals.This diet is not for human consumption.Storage Conditions

Mazuri Gel Diets have a 1 year shelf life in the dry powder form when stored in a dry environment. For best results, tightly affix lid on canister after removal of desired dosage or store contents of open bag in container with sealing lid. Store in a cool (75F or colder), dry (approximately 50% RH) location. The mixed product should be stored under refrigeration for no longer than 7 days or frozen for up to 1 month. It is recommended that frozen batches be individually sealed in amount of usage, as repeated entry into the container exposes gel to oxygen. Once this product is mixed with water to form a gel, it should be handled like raw fish.

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