Arcmap Png Transparent Background

Part of the image can be displayed as transparent in a web browser allowing backgrounds images or colors to show through.

Arcmap png transparent background. Part of the image can display as transparent in a web browser allowing backgrounds images or colors to show through. The background displays either as white or the same color as the windows background. Png files also have the ability to define a transparent color. Maps exported from arcmap to either the png or gif format do not have a transparent background even if the background was set to no data.

This would be a great enhancement and improvement to the sharing feature in pro. Open the file in irfan view or a similar. To export a png file make sure a map or layout view is active. This question was originally raised in july 2016 in thread exporting png image with background transparency from arcgis pro.

Creating a png file with a transparent background using irfan view if you have a jpg or other file type that does not have a transparent background you can convert it to a png file which can have a transparent background such that arcmap will recogognize it using irfan view or some other graphics editor program such as photoshop etc. Currently when the layout is exported as a png with a transparent background it defaults to white. For the emf file format there is no background color setting to be specified. In arcmap this is not an issue as you can set the background and transparent color.

Later versions of arcgis may contain different functionality as well as different names and locations for menus commands and geoprocessing tools. Pngs exported from the data view in arcmap can be generated with an accompanying world file for use as georeferenced. For the png and gif file formats select any same color combination for both the background color and transparent color fields except for the no color no color combination. Png files also have the ability to define a transparent color.

Pngs can be generated with an accompanying world file for use as georeferenced raster data. You can set layer transparency on the display tab on the layer properties dialog box. On most images png can achieve greater compression and thus smaller file sizes than gif. You can also set layer transparency using the effects toolbar as described in the following steps.