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New Effects > Edge > Gradient flow tool
I'm doing some promising prototyping on a magnetic lasso tool, but testing the results interactively has proven difficult because it's hard to see how PD si analyzing object boundaries when attempting to "magnetize" the lasso to nearby boundaries. So I wrote a visualizer for showing gradient flow calculations in the current image, and it's been so helpful that I may as well expose it to users. I've cleaned up the prototype code a bit and added some options to make output easier to understand. In this context, "gradient" doesn't refer to the Photoshop-esque term of smoothly fading between colors - instead it refers to something closer to edge-detection: https://en.wikipedia.org/wiki/Image_gradient PD uses various internal functions to calculate gradient magnitude and direction for each pixel in an image, and those results are used as inputs for all kinds of other effects. The purpose of this new tool is to paint those gradient calculations directly onto the image, so you can see where object boundaries lay, at least as far as PD knows. The most interesting setting on this new tool is the "direction" output, which paints little arrows across the image, with each arrow's direction and length showing where PD detects an object boundary (and how strong it thinks that boundary is). For an obvious example of how it works, paint a black-and-white reflection gradient using PD's gradient tool, then run this new Effects > Edge > Gradient tool on the result, with the "direction" setting active. (If your base image is large, you may need to crank up the boost and/or sample radius settings.)
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‎App/PhotoDemon/Languages/French.xml‎

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<langid>fr-FR</langid>
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<langname>Français</langname>
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<langversion>6.7.507</langversion>
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<langversion>6.7.508</langversion>
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<langstatus>Complete</langstatus>
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<author>Jean Jacques Piedfort (orig. Frank Donckers)</author>
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<translation>Recherche des contours</translation>
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</phrase>
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<phrase>
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<original>Gradient flow</original>
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<translation></translation>
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</phrase>
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<phrase>
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<original>Range filter</original>
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<translation>Filtre de gamme</translation>
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<translation>Effacer la liste récente des macros</translation>
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</phrase>
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<phrase>
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<original>All supported palettes</original>
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<translation>Langue changée avec succès.</translation>
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</phrase>
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<phrase>
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<original>Monochrome Conversion</original>
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<phrase>
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<original>render</original>
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<translation></translation>
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</phrase>
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<phrase>
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<original>boost</original>
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<translation></translation>
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</phrase>
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<phrase>
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<original>foreground color</original>
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<translation></translation>
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</phrase>
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<phrase>
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<original>Calculating gradient flow</original>
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<translation></translation>
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</phrase>
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<phrase>
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<original>magnitude</original>
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<translation></translation>
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</phrase>
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<phrase>
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<original>direction</original>
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<translation></translation>
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</phrase>
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<phrase>
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<original>dynamic</original>
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<translation></translation>
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</phrase>
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<phrase>
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<original>static</original>
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<translation></translation>
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</phrase>
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<phrasecount>2568</phrasecount>
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<phrasecount>2577</phrasecount>
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</pdData>

‎App/PhotoDemon/Languages/German.xml‎

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<langid>de-DE</langid>
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<langname>Deutsch (DE)</langname>
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<langversion>9.0.57</langversion>
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<langversion>9.0.62</langversion>
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<langstatus>Up-to-date</langstatus>
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<author>rk (ehem. Frank Donckers, Helmut Kuerbiss)</author>
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<phrase>
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<original>Add it to the current image as a new layer.</original>
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<translation>Es dem aktuellen Bild als einen neuen Layer hinzufügen.</translation>
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<translation>Es dem aktuellen Bild als neuen Layer hinzufügen.</translation>
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</phrase>
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<phrase>
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<phrase>
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<original>Go to layer above</original>
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<translation>Gehe zu Layer oberhalb</translation>
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<translation>Gehe zu Layer darüber</translation>
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</phrase>
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<phrase>
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<original>Go to layer below</original>
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<translation>Gehe zu Layer unterhalb</translation>
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<translation>Gehe zu Layer darunter</translation>
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</phrase>
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<translation>Kanten finden</translation>
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</phrase>
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<original>Gradient flow</original>
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<translation></translation>
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</phrase>
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<original>Range filter</original>
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<translation>Bereichsfilter </translation>
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<translation>Liste jüngster Makros löschen</translation>
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</phrase>
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<original>All supported palettes</original>
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<translation>Sprache erfolgreich geändert.</translation>
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</phrase>
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<original>Monochrome Conversion</original>
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<original>1) By manually adding one or more image file(s) using a standard Open Image dialog.</original>
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<translation>1) Durch manuelle Hinzufügung einer oder mehrerer Bilddatei(en) unter Verwendung eines Standarddialogs "Bild öffnen".</translation>
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<translation>1) Durch manuelle Hinzufügung einer oder mehrerer Bilddatei(en) unter Verwendung eines Standard-Dialogs "Bild öffnen".</translation>
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<original>This button only affects the preview above. The repeat setting on the right is what will be used by the exported image file.</original>
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<translation>Dieser Button wirkt sich nur auf die obige Vorschau aus. Die Wiederholungseinstellung auf der rechten Seite ist das, was von der exportierten Bilddatei verwendet wird.</translation>
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<translation>Dieser Button wirkt sich nur auf die Vorschau oberhalb aus. Die Wiederholungseinstellung auf der rechten Seite ist das, was von der exportierten Bilddatei verwendet wird.</translation>
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<original>standard PNG</original>
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<translation>Standard PNG</translation>
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<translation>Standard-PNG</translation>
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<original>top of layer stack</original>
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<translation>Ganz oben von Layer-Stapel</translation>
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<translation>Ganz oben des Layer-Stacks</translation>
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<original>bottom of layer stack</original>
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<translation>Ganz unten von Layer-Stapel</translation>
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<translation>Ganz unten des Layer-Stacks</translation>
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<original>Click: show the "New layer" dialog</original>
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<translation>Klick: Den Dialog "Neuer Layer" zeigen</translation>
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<original>Shift + Click: add a blank layer</original>
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<translation>Shift+Mausklick: Einen blanken Layer hinzufügen</translation>
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<original>Add layer</original>
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<translation>Layer hinzufügen</translation>
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<original>Click: delete this layer</original>
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<translation>Klick: Diesen Layer löschen</translation>
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<original>Click: move this layer up the layer stack</original>
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<translation>Klick: Diesen Layer im Layer-Stack nach oben verschieben</translation>
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<original>Shift + Click: merge this layer with the layer above it</original>
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<translation>Shift+Mausklick: Diesen Layer mit dem Layer darüber zusammenführen</translation>
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<original>Move or merge layer up</original>
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<translation>Layer nach oben verschieben oder zusammenführen</translation>
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<original>Click: move this layer down the layer stack</original>
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<translation>Klick: Diesen Layer im Layer-Stack nach unten verschieben</translation>
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<original>Shift + Click: merge this layer with the layer beneath it</original>
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<translation>Shift+Mausklick: Diesen Layer mit dem Layer darunter zusammenführen</translation>
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<translation>Layer nach unten verschieben oder zusammenführen</translation>
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<original>Click: add a duplicate of this layer</original>
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<translation>Klick: Ein Duplikat dieses Layers hinzufügen</translation>
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<original>Duplicate layer</original>
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<translation>Layer duplizieren</translation>
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<original>boost</original>
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<original>foreground color</original>
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<original>Calculating gradient flow</original>
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<original>magnitude</original>
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<original>direction</original>
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</pdData>

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