From the course: Deke's Techniques (2018-2021)
715 Contour map + arbitrary map
From the course: Deke's Techniques (2018-2021)
715 Contour map + arbitrary map
- [Instructor] In this movie, I'll show you how to combine a contour map as we're seeing here, along with an arbitrary map, which you achieve using a curves adjustment layer. And we'll also see how an arbitrary map compares to a gradient map, as we saw in the previous movie. Now the interesting thing about this is both of these effects are relying on exactly the same colors, as I'm gonna demonstrate in just a moment. However, we end up achieving a differently colored composition, and that's because arbitrary maps work on a channel by channel basis, whereas gradient maps affect the composite image. And a thing to note here is that gradient maps amount to a more modern approach. They're a lot more straightforward as well. Whereas gradient maps are old school, but they provide you with a little bit of additional flexibility. And we're actually gonna see how the two compare side by side. So I'm gonna go ahead and switch over to this gradient demo file right here, in which we have a black to white horizontal gradient on this bottom layer, and then we have this top layer which is that very gradient map that we assigned in the previous movie. All right, for the sake of comparison here, I'm gonna go up to the Image menu and choose the Duplicate command, and I'm gonna go ahead and call this Gradient arb map. And this is a very common abbreviation for arbitrary maps. All right, now I'll go ahead and click OK to create that file, and I'll press the Backspace key or the Delete key on the Mac to get rid of that layer, and we'll create a new adjustment layer by going up to the Layer menu, choosing New Adjustment Layer, and choosing Curves. And I'll just go ahead and call this guy arb map once again, and then I'll click OK. And that's gonna bring up the Properties panel. I'm gonna make that panel larger, so that I can see the entire curve. All right, now you want to switch from RGB to the Red channel. So we're gonna edit the Red channel independently, and I'm gonna go ahead and click on that top right point by the way. Notice the Input value is 255, which is white. I'm gonna change the Output value to 180. Now you might wonder why in the world I'm doing this. Obviously, I'm getting a blue effect here in the background. Let me demonstrate the method to my madness. I'll switch back to the Gradient demo file so we can see the gradient that I assigned using a gradient map adjustment layer. I'll click on it to bring up the Gradient Editor dialog box, and I'll double-click on this left most gradient stop in order to bring up the Color Picker dialog box. And I want to direct your attention to the RGB values. Notice that G is 255, so we don't need to map white in the white channel to anything different. It's going to be 255 as it is by default. Same with blue. But red, we need to make slightly different, and I just went ahead and rounded out the value. Instead of going with 178, I came up with 180. That's the big difference, and then I'll click OK. All right, now notice that this color stop has a location value of 80%. Well, if you whip out a calculator and you multiply .8, which is the same as 80%, times 255, which is white, you get 204. And so, at an Input value of 204, that's what that's gonna mean. Notice I'll double-click on that swatch. Blue is still gonna be 204. So it's gonna map to its default value. In other words we don't have to make any modification. Green however is going to be 153, but I took it down to 150 just for the sake of rounding things out. And then R, red, is going to be 100. Again just rounding out these values, and click OK. Now I'll select this guy. Its Location value is 50%. That is, a luminance level of 128. I'll go ahead and double-click on it. Notice blue is still 128, no different. Green is 64, and red is zero, and so I'll be dialing those values in to my curves adjustment layer in just a moment. Leave those guys alone, click OK. Go ahead and select this guy. Its location value is 20%. If you multiply .2, which is the same as 20%, by 255, white, you'll end up getting a luminance level of 51. So not surprisingly when I double-click on this guy, the blue value is 51. The green value is zero, and then the red value is 51. I'm gonna take it down to 50, just so we have more of a match here. And then I'll click OK and I'll click OK again in order to update that layer. All right, now let's go back to the arbitrary map in process. So this is advanced stuff not for the squeamish, but I do want you to have a sense for how it works. All right, so I'll switch back to the Red channel once again, and I will click right there, and I'm really looking for an input value of 200. So again, that's very close to that 80% Location value, and I'm gonna set the Output value to 100. How do I remember this from my gradient map that I just showed you? Well of course, I wrote the values down. All right, now I'll click right there, Input 128, that's exactly what I want. I'll go ahead and set the Output value to zero. So we're taking it all the way down to black inside the Red channel only. Then I'll click right about there, and we'll say the Input value is 50, so approximately the 20% Location value. Then I'll set the Output value to that same thing, 50. And now what we need to do is switch to the Green channel. Now I'll click right about there. I'm really looking for an Input value of 200, so that's approximately equal to a Location value of 80%. And I'll set the Output value to 150, so a little bit darker than by default. Click right about there, I'm looking for an Input value of 128, and I'll set the Output value to 64, and you can see we're already getting very similar results. And now I'll click here, and I want that Input value to be 50, and I'm gonna Tab over to the Output value and set it to zero. Now we don't need to make any changes to the Blue channel, because all those blue values were linear. In other words, we're not changing any of the default settings here. And then, I'll go ahead and hide the Properties panel, and now I want you to see how very similar these effects are. This is the arbitrary map, and this is the gradient map. So they're not absolutely identical, and we do have a little bit of banding by the way, but that's not going to affect the photograph. So once again, gradient map, here's the arbitrary map. Ever so slightly different, and yet this is going to affect the RGB photograph very differently, because after all, curves is working on a channel by channel basis. And so what I'm gonna do is right-click inside the image window using my Rectangular Marquee Tool, that's very important, and then I'll choose Duplicate Layer in order to bring up this dialog box right here. And I'm gonna change the document to that composition we created a couple of movies ago, which is Contour creature, by the way .psd, and I'll click OK, and now I'll switch over to that file, and you can see this is the effect. Now if you were to switch to the effect we achieved in the previous movie, you can see it's very different indeed. Well, part of that is that we have different settings associated with this file. And so let's go ahead and replay those settings by switching back to the file in progress. I'll click on the h lines layer right there and I'll change its blend mode from Overlay to Soft Light, as we did before. I'll select my arbitrary map layer, I'll change its blend mode to Color, as we did in the last movie. And then I need to darken up this background, and so I'll go up to the Layer menu, choose New Adjustment Layer, and choose the Levels command. And I'm gonna go ahead and call this layer blacken, just as I did before. Click OK, that's gonna replace curves with levels here inside the Properties panel. And I'll press the Alt key or the Option key on the Mac and drag this black slider triangle until the background goes entirely black, which doesn't really happen at 40 this time around, so I'm gonna take this guy up to 50, like so. And then I'll go ahead and click in the gamma value there and press Shift + Up Arrow a couple of times to take that value up to 1.2, which is gonna brighten my midtones, and I'll go ahead and hide that panel. And so this is our final effect that we're achieving using an arbitrary map. Compare it once again to that effect we achieved using a gradient map. Now if you wanted something along these lines with an arbitrary map, then you would switch back to that file in progress, click in the background, go up to the Image menu, choose Adjustments, and then choose Desaturate. And that way all three of the channels are gonna be identical to each other, and we'd end up with a very similar, however not identical effect. So this is gradient map, and this is arbitrary map. So things are slightly different. But in my mind that kind of defeats the purpose of using an arbitrary map. If I wanted an effect like this, I should just go with a gradient map because it's a lot easier to use. So I'll just go ahead and undo that modification, and I'll press Shift + F in order to switch to the full screen mode, and I will zoom on in as well. And that's at least one way to combine a contour map along with an old school arbitrary map here inside the most powerful image editor on the planet, Adobe Photoshop.
Practice while you learn with exercise files
Download the files the instructor uses to teach the course. Follow along and learn by watching, listening and practicing.
- 669_custom_QR.zip
- 670_more_QR.zip
- 671_hidden_circles.zip
- 673_shade_panels.zip
- 672_more_rectangles.zip
- 674_cafe_wall.zip
- 675_skewed_walls.zip
- 676_magic_checkers.zip
- 677_magic_dots.zip
- 678_reverse_illusion.zip
- 679_illusion_decor.zip
- 680_more_gizmos.zip
- 681_connect_gizmos.zip
- 682_wifi_symbol.zip
- 683_bluetooth_logo.zip
- 684_trajan_color.zip
- 685_trajan_AIcc.zip
- 686_stylistic_PsCC.zip
- 687_stylistic_AIcc.zip
- 688_grad_molecules.zip
- 689_sharper_moles.zip
- 690_smart_cules.zip
- 691_explore_cules.zip
- 692_blend_cules.zip
- 693_high_pass_cules.zip
- 694_cell_pattern.zip
- 695_hemoglobin.zip
- 696_edgy_cells.zip
- 697_springy_cells.zip
- 698_accordian_letters.zip
- 699_skew_blends.zip
- 700_cross_blends.zip
- 701_slice_blend.zip
- 702_blend_distort.zip
- 703_dynamic_roughen.zip
- 704_fish_twist.zip
- 705_dynam_bgnd_1.zip
- 706_dynam_bgnd_2.zip
- 707_quieter_art.zip
- 708_disintegration.zip
- 709_more_flakes.zip
- 710_mask_ashes.zip
- 711_flakes_to_ash.zip
- 712_note_tool.zip
- 713_contour_map.zip
- 714_contour_grad.zip
- 715_contour_arb.zip
- 716_contour_riff.zip
- 717_smooth_contour.zip
- 718_contour_cash.zip
- 719_color_of_money.zip
- 720_AI_adjust.zip
- 721_computer_key.zip
- 722_key_type.zip
- 723_faux_hedcut.zip
- 724_hedcut_lines.zip
- 725_color_hedcut.zip
- 726_ET_moon.zip
- 727_ET_trees.zip
- 728_ET_TRex.zip
- 729_global_glow.zip
- 730_content_aware.zip
- 731_space_portal.zip
- 732_enhance_portal.zip
- 733_rushing_stars.zip
- 734_AIcc_puppet.zip
- 735_puppet_tricks.zip
- 736_complex_puppet.zip
- 737_puppet_shortcut.zip
- 738_pentagons.zip
- 739_reinhardt.zip
- 740_kershner.zip
- 741_james_pentagon.zip
- 742_rice_pentagons.zip
- 743_stein_pentagon.zip
- 744_15th_pentagon.zip
- 745_tessellate_15.zip
- 746_pentatiles.zip
- 747_mod_pattern.zip
- 748_complement_tiles.zip
- 749_image_pattern.zip
- 750_pattern_fit.zip
- 751_candy_keeper.zip
- 752_keeper_text.zip
- 753_monster_movie.zip
- 754_mono_halftone.zip
- 755_word_haunted.zip
- 756_cheat_letters.zip
- 757_alt_adjust.zip
- 758_scuba_mono.zip
- 759_backscatter.zip
- 760_sample_outside.zip
- 761_Ps_vector_logo.zip
- 762_trans_shapes.zip
- 763_photo_logo.zip
- 764_high_res_snow.zip
- 765_enhance_snow.zip
- 766_snowflake_bokeh.zip
- 767_mandala_ps.zip
- 768_mandala_pattern.zip
- 769_mandala_dots.zip
- 770_mandala_color.zip
- 771_mandala_final.zip
- 772_AI_trim_view.zip
- 773_AI_presentation.zip
- 774_global_edits.zip
- 775_global_control.zip
- 776_freeform_grads.zip
- 777_freeform_lines.zip
- 778_freeform_gotcha.zip
- 779_great_white.zip
- 780_sharper_shark.zip
- 781_vibrance_sat.zip
- 782_vib_sat_sharp.zip
- 783_hedcut_action.zip
- 784_action_actions.zip
- 785_color_lines.zip
- 786_combine_lines.zip
- 787_clip_to_group.zip
- 788_color_outside.zip
- 789_flip_horizontal.zip
- 790_white_walker.zip
- 791_walker_begins.zip
- 792_digital_shave.zip
- 793_deep_wrinkles.zip
- 794_deep_brows.zip
- 795_pale_lips.zip
- 796_glowing_blue.zip
- 797_lifeless_pupils.zip
- 798_cold_gloomy.zip
- 799_brittle_flakes.zip
- 800_trans_shapes.zip
- 801_range_mask.zip
- 802_flip_photo.zip
- 803_actual_dream.zip
- 804_augment_dream.zip
- 805_smart_distortions.zip
- 806_blend_distortions.zip
- 807_star_negative.zip
- 808_star_pattern.zip
- 809_shaded_stars.zip
- 810_grad_pattern.zip
- 811_pattern_fade.zip
- 813_gobstopper.zip
- 814_gobpattern.zip
- 815_galignment.zip
- 816_etched_lines.zip
- 817_blend_pattern.zip
- 818_cubical_holes.zip
- 819_grad_pattern.zip
- 820_iso_arrows.zip
- 821_position_tips.zip
- 822_fill_gaps.zip
- 823_cartoon_teeth.zip
- 824_triangle_eye.zip
- 825_add_windows.zip
- 826_perfect_tessellate.zip
- 827_triangle_tunnels.zip
- 828_triangles_pattern.zip
- 829_colorful_triangles.zip
- 830_recolor_triangles.zip
- 831_rainbow_blends.zip
- 832_pattern_blends.zip
- 833_imposs_trident.zip
- 834_shade_trident.zip
- 835_opposing_grads.zip
- 836_trident_shadows.zip
- 837_impossible_hex.zip
- 838_impossible_lattice.zip
- 839_Joan_Miro.zip
- 840_watercolor_wash.zip
- 841_Miro_signature.zip
- 842_Photoshop_Miro.zip
- 843_enlarge_Miro.zip
- 844_Miro_Peele.zip
- 845_color_Us.zip
- 846_red_rorschach.zip
- 847_finish_Us.zip
- 848_CAF_fails.zip
- 849_turkey_2019.zip
- 850_trace_hand.zip
- 851_articulated_hand.zip
- 852_colorful_hand.zip
- 853_paint_fingernails.zip
- 854_paint_turkey.zip
- 855_turkey_feathers.zip
- 856_drop_shadow.zip
- 857_Ps_iPad_1.zip
- 858_Ps_iPad_2.zip
- 859_Ps_iPad_3.zip
- 860_iPad_Sidecar.zip
- 861_Adobe_Fresco.zip
- 862_Fresco_halftones.zip
- 863_live_brushes.zip
- 864_oil_paint.zip
- 865_Fresco_masks.zip
- 866_repurpose_mask.zip
- 867_vector_brush.zip
- 868_fresco_ps.zip
- 869_auto_color.zip
- 870_ACR_pano.zip
- 871_correct_pano.zip
- 872_diffusion.zip
- 873_simplify_2020.zip
- 874_fill_gaps.zip
- 875_posterize.zip
- 876_paint_bucket.zip
- 877_nonD_poster.zip
- 878_dynamic_poster.zip
- 879_filmstrip.zip
- 880_awful_awesome.zip
- 881_rembrandt.zip
- 882_recolor_freeform.zip
- 883_recolor_group.zip
- 884_over_under.zip
- 885_dev_over_under.zip
- 886_3D_metal_star.zip
- 887_heavy_metal.zip
- 888_wonder_poster.zip
- 889_wonder_displace.zip
- 890_wonder_woman.zip
- 891_metadata_template.zip
- 892_edit_metadata.zip
- 893_quilt_warp.zip
- 894_warp_object.zip
- 895_gopro_images.zip
- 896_content_aware.zip
- 897_gopro_combo.zip
- 898_blend_vignette.zip
- 899_photo_painting.zip
- 900_cue_ball.zip
- 901_pool_ball.zip
- 902_stripe_ball.zip
- 903_transform_each.zip
- 904_recolor_pool.zip
- 905_pool_cues.zip
- 906_rotate_cues.zip
- 907_repeat_face.zip
- 908_rainbow_faces.zip
- 909_mask_lips.zip
- 910_single_many.zip
- 911_symmetrical_mask.zip
- 912_colorize_grads.zip
- 913_mask_grads.zip
- 914_lantern_type1.zip
- 915_lantern_type2.zip
- 916_lantern_type3.zip
- 917_blend_steps.zip
- 918_blended_blends.zip
- 919_reverse_order.zip
- 920_pattern_colors.zip
- 921_blend_pattern.zip
- 922_polygons.zip
- 923_equil_triangle.zip
- 924_mercedes.zip
- 925_star_ring.zip
- 926_perfect_star.zip
- 927_lets_review.zip
- 928_basic_shapes.zip
- 929_triangle_man.zip
- 930_paint_grads.zip
- 931_adv_grads.zip
- 932_trans_vectors.zip
- 933_free_distort.zip
- 934_dynamic_fx.zip
- 935_cats_eye.zip
- 936_cat_iris.zip
- 937_primitives.zip
- 938_zig_zag.zip
- 939_dynamic_hilight.zip
- 940_reptile_scales.zip
- 941_shade_eye.zip
- 942_variable_shade.zip
- 943_dragon_eye.zip
- 945_single_thumbnail.zip
- 946_ai_home.zip
- 947_unlock_object.zip
- 948_unlock_icon.zip
- 949_line_tool.zip
- 950_broken_candy.zip
- 951_candy_rhino.zip
- 952_wrap_pattern.zip
- 953_ice_shadows.zip
- 954_illustrator_ipad.zip
- 955_pencil_points.zip
- 956_ipad_blob.zip
- 957_ipad_pen.zip
- 958_grads_repeats.zip
- 959_color_grading.zip
- 960_grading_tricks.zip
- 961_blend_balance.zip
- 962_font_height.zip
- 963_camera_profile.zip
- 964_JPEG_raw.zip
- 965_match_detail.zip
- 966_Ps_line_tool.zip
- 967_troubleshoot_line.zip
- 968_blend_vectors.zip
- 969_curve_line.zip
- 970_point_glyphs.zip
- 971_area_glyphs.zip
- 972_snap_glyphs.zip
- 973_snap_letterform.zip
- 974_glyph_shape.zip
- 975_glyph_pen.zip
- 976_playing_cards.zip
- 977_scale_shape.zip
- 978_card_suits.zip
- 979_enhance_path.zip
- 980_power_symbol.zip
- 981_huge_artboard.zip
- 982_new_artboard.zip
- 983_triceratops.zip
- 984_pen_tricks.zip
- 985_round_corner.zip
- 986_draw_round.zip
- 987_reshape_round.zip
- 988_AI_brushed.zip
- 989_AI_rivets.zip
- 990_blend_grad.zip
- 991_binoculars.zip
- 992_blue_halo.zip
- 993_bi_aberrations.zip
- 994_hide_shapes.zip
- 995_subwoofer.zip
- 996_deep_cone.zip
- 997_gradient_frame.zip
- 998_hex_screws.zip
- 999_thats_all.zip
Contents
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669 Customizing a QR code in Photoshop11m 22s
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670 Adding more color to your QR code4m 29s
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671 Coffer illusion and the hidden circles18m 10s
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672 Filling out the hidden circles illusion9m 30s
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673 Shading the panels in a Coffer illusion13m 1s
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674 Drawing a classic “café wall” illusion11m 20s
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675 Skewing your crazy café walls in Illustrator9m 25s
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676 Creating a “magical checkers” illusion20m 8s
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677 Swapping magical checkers for dots8m 35s
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678 Reversing the direction of your illusion8m 33s
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679 Decorating your illusion9m 47s
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680 Adding more and more gizmos11m 52s
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681 Connecting the gizmos wirelessly4m 59s
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682 Drawing a Wi-Fi symbol in Illustrator9m 48s
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683 Drawing the official Bluetooth logo10m 8s
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684 Introducing Trajan Color Concept13m 10s
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685 Trajan Color Concept in Illustrator CC7m 10s
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686 Using stylistic sets in Photoshop CC9m 37s
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687 Using stylistic sets in Illustrator CC6m 47s
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688 Creating gradient molecules in Photoshop10m 17s
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689 Sharpening your very soft molecules4m 41s
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690 Editing your smart-filtered molecules6m 32s
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691 Exploring regular molecule patterns17m 41s
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692 Blending opposing rows of colorful molecules8m 49s
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693 Sharpening molecules with High Pass6m 3s
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694 Creating shimmering cells in Illustrator12m 25s
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695 Turning regular hexagons into organic cells11m 50s
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696 Enhancing your organic cells in Photoshop8m 58s
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697 Making dead cells spring to life7m 41s
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698 Creating letters with accordion extrusions13m 58s
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699 Combining object blends with skews11m 28s
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700 Making one object blend cut through another9m 44s
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701 Making one object blend slice across another13m 27s
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702 Object blends and dynamic distortions in Illustrator8m 11s
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703 Another random distortion: Roughen7m 57s
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704 Dynamic warp distortions: Fish and Twist8m 52s
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705 Adding a dynamic background, part 110m 14s
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706 Adding a dynamic background, part 27m 44s
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707 “Quieting down” an overly elaborate design9m 25s
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708 The Marvel disintegration effect9m 14s
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709 Building up more flakes and ashes7m 33s
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710 Enhancing and masking your disintegration8m 12s
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711 Turning your flakes into dull, dead ash4m 10s
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712 Jogging your memory with the Note tool9m 59s
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713 Contour mapping with Distort > Displace10m 23s
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714 Contour map + gradient map6m 54s
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715 Contour map + arbitrary map8m 22s
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716 Riffing on a contour map in Photoshop5m 24s
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717 Smoothing out jagged contour lines4m 11s
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718 Contour mapping for cash in Photoshop9m 27s
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719 Infusing an image with the color of money2m 53s
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720 Simulating an adjustment layer in Illustrator9m 25s
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721 Drawing a stylish computer key12m 9s
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722 Spelling a word in computer keys6m 55s
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723 Creating a faux hedcut in Photoshop13m 7s
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724 Tracing outlines around your hedcut7m 47s
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725 Creating a full-color hedcut effect7m 32s
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726 Creating an E.T. moon in Photoshop8m 42s
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727 Adding a forest of trees for your E.T. moon10m 41s
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728 Combining the best of E.T. and Jurassic Park10m 59s
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729 Tracing vectors with a universal glow6m 17s
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730 Creative uses for Content-Aware Fill11m 47s
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731 Creating a porthole to a far-away galaxy7m 42s
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732 Enhancing your crazy space porthole7m 3s
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733 Creating a galaxy of rushing stars5m 42s
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734 Using the Puppet Warp tool in Illustrator CC6m 7s
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735 Illustrator Puppet Warp tips and tricks7m 20s
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736 Puppet-Warping very complicated selections6m 18s
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737 Shift-P for Puppet Warp!2m 59s
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738 Introducing the Pentagon Patterns7m 29s
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739 Types 1–5: The Reinhardt pentagons14m 17s
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740 Types 6–8: The Kershner pentagons5m 47s
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741 Type 10: The James pentagon5m 53s
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742 Types 9, 11, 12, and 13: The Rice pentagons7m 58s
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743 Type 14: The Stein pentagon3m 53s
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744 Creating a type 15 pentagon in Illustrator9m 27s
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745 Tessellating your type 15 pentagon14m 22s
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746 Expressing pentagons as proper tile patterns12m 9s
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747 Applying and modifying a tile pattern11m
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748 Combining complementary patterns7m 43s
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749 Combining a tile pattern with a photograph6m 33s
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750 Adjusting a tile pattern to fit its photo5m 36s
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751 Creating a creepy Candy Keeper in Photoshop3m 59s
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752 Enhancing the Candy Keeper text4m 46s
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753 Creating an old monster movie poster7m 3s
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754 Adding a monochrome halftone effect4m 3s
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755 Enhancing a special word, such as “Haunted”4m 27s
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756 Cheating letters into an ancient border2m 25s
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757 Naming an adjustment layer as you create it4m 13s
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758 Under the sea in strict monochrome6m 29s
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759 Backscatter and split toning7m 21s
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760 Sampling any color outside Photoshop3m 17s
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761 Designing a vector-based logo in Photoshop9m 20s
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762 Free-transforming shape layers7m 56s
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763 Adding a photo element to your vector logo6m 34s
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764 High-resolution snowflakes in Photoshop5m 45s
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765 Enhancing your big, juicy snowflakes7m 19s
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766 Adding a snowflake bokeh “on the lens”6m 8s
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