{"id":1177,"date":"2015-12-16T00:40:18","date_gmt":"2015-12-15T13:40:18","guid":{"rendered":"http:\/\/www.ronthedon.com\/VFX\/?p=1177"},"modified":"2016-02-23T06:50:50","modified_gmt":"2016-02-22T19:50:50","slug":"houdini-dem-based-terrain-modelling","status":"publish","type":"post","link":"https:\/\/www.ronthedon.com\/VFX\/houdini-dem-based-terrain-modelling\/","title":{"rendered":"Houdini DEM based Terrain modelling"},"content":{"rendered":"<p>Having used Terragen exclusively for these sorta things I wanted to see if I could replicate\u00a0some\u00a0scenarios in Houdini and sure enough it wasn&#8217;t all that hard. \u00a0<!--more--> Mind you this was just a quick test for what I needed and by far doesn&#8217;t encompass all of TG&#8217;s functionality.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_1179\" aria-describedby=\"caption-attachment-1179\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/1_DEM_Projected_on_grid.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-1179 size-thumbnail\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/1_DEM_Projected_on_grid-150x150.jpeg\" alt=\"1_DEM_Projected_on_grid\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1179\" class=\"wp-caption-text\">DEM projected on grid<\/figcaption><\/figure>\n<figure id=\"attachment_1180\" aria-describedby=\"caption-attachment-1180\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/2_GridProcedurallyShrunk2UsableTile.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-1180\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/2_GridProcedurallyShrunk2UsableTile-150x150.jpeg\" alt=\"grid procedurally shrunk 2 u sable tile\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1180\" class=\"wp-caption-text\">grid procedurally shrunk 2 u sable tile<\/figcaption><\/figure>\n<figure id=\"attachment_1181\" aria-describedby=\"caption-attachment-1181\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/3_extrudedby5.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-1181 size-thumbnail\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/3_extrudedby5-150x150.jpeg\" alt=\"extruded based on color values by 5\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1181\" class=\"wp-caption-text\">extruded based on color values by 5<\/figcaption><\/figure>\n<figure id=\"attachment_1182\" aria-describedby=\"caption-attachment-1182\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/4_extrudedby29.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-1182\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/4_extrudedby29-150x150.jpeg\" alt=\"extruded based on color values by 29\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1182\" class=\"wp-caption-text\">extruded based on color values by 29<\/figcaption><\/figure>\n<figure id=\"attachment_1183\" aria-describedby=\"caption-attachment-1183\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/5_extrudedby29_noDEMColor.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-1183\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/5_extrudedby29_noDEMColor-150x150.jpeg\" alt=\"extruded based on color values by 5 DEM color removed\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1183\" class=\"wp-caption-text\">extruded based on color values by 5 DEM color removed<\/figcaption><\/figure>\n<figure id=\"attachment_1184\" aria-describedby=\"caption-attachment-1184\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/6_closeUpShowingDEMArtefacts.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-1184\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/6_closeUpShowingDEMArtefacts-150x150.jpeg\" alt=\"closeUp showing DEM artifacts in height extrusion\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1184\" class=\"wp-caption-text\">closeUp showing DEM artifacts in height extrusion<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_1185\" aria-describedby=\"caption-attachment-1185\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/7_CloseUpDEMARTIFACTFIXBasedonslopAngle.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-1185\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/7_CloseUpDEMARTIFACTFIXBasedonslopAngle-150x150.jpeg\" alt=\"clseUp showing fixed artifacts only in flat areas, so no detail is lost in peaks\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1185\" class=\"wp-caption-text\">clseUp showing fixed artifacts only in flat areas, so no detail is lost in peaks<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_1186\" aria-describedby=\"caption-attachment-1186\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/9_visualizingFlats.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-1186 size-thumbnail\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/9_visualizingFlats-150x150.jpeg\" alt=\"visualizing flat surface groups - adjustable via slider\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1186\" class=\"wp-caption-text\">visualizing flat surface groups &#8211; adjustable via slider<\/figcaption><\/figure>\n<figure id=\"attachment_1187\" aria-describedby=\"caption-attachment-1187\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/10_visualizingSteeps.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-1187\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/10_visualizingSteeps-150x150.jpeg\" alt=\"visualizing steep surface groups - adjustable via slider\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1187\" class=\"wp-caption-text\">visualizing steep surface groups &#8211; adjustable via slider<\/figcaption><\/figure>\n<figure id=\"attachment_1188\" aria-describedby=\"caption-attachment-1188\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/11_distanceViewfixedDEMOnly.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-1188\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/11_distanceViewfixedDEMOnly-150x150.jpeg\" alt=\"wideshot fixed DEM\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1188\" class=\"wp-caption-text\">wideshot fixed DEM<\/figcaption><\/figure>\n<figure id=\"attachment_1189\" aria-describedby=\"caption-attachment-1189\" style=\"width: 150px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/12_AddedSteepSlopeDetail.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-1189\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/12_AddedSteepSlopeDetail-150x150.jpeg\" alt=\"wideshot added slope detail\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1189\" class=\"wp-caption-text\">wideshot added slope detail<\/figcaption><\/figure>\n<figure id=\"attachment_1190\" aria-describedby=\"caption-attachment-1190\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/13_DistanceViewAddedDetailStepsFlats.jpeg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-1190\" src=\"http:\/\/www.ronthedon.com\/VFX\/wp-content\/uploads\/2015\/12\/13_DistanceViewAddedDetailStepsFlats-150x150.jpeg\" alt=\"wide shot added detail in slopes and flats\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-1190\" class=\"wp-caption-text\">wide shot added detail in slopes and flats<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Having used Terragen exclusively for these sorta things I wanted to see if I could replicate\u00a0some\u00a0scenarios in Houdini and sure enough it wasn&#8217;t all that hard. \u00a0<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":[],"categories":[13,8,7],"tags":[],"_links":{"self":[{"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/posts\/1177"}],"collection":[{"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/comments?post=1177"}],"version-history":[{"count":18,"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/posts\/1177\/revisions"}],"predecessor-version":[{"id":1297,"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/posts\/1177\/revisions\/1297"}],"wp:attachment":[{"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/media?parent=1177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/categories?post=1177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ronthedon.com\/VFX\/wp-json\/wp\/v2\/tags?post=1177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}