In Sunrise you have the possibility to upload a high resolution image via Products/upload images.
There you can select a high resolution image up to 10MB.
you can upload .jpg, .png images and the image name need to be an existing product_id.
When uploading Sunrise will upload the picture and create the necessary images for the tooltip, catalogue and product detail image using the following channel 0 settings:
WEBSHOP_DETAIL_IMAGE_WIDTH
WEBSHOP_DETAIL_IMAGE_HEIGHT
WEBSHOP_CATALOGUE_IMAGE_WIDTH
WEBSHOP_CATALOGUE_IMAGE_HEIGHT
TOOLTIP_IMAGE_WIDTH
TOOLTIP_IMAGE_HEIGHT
Notes:
If these values are not set, the default value is 150 x 150 Pixels.
Sunrise uses the *WIDTH* value as a reference so when resizing the proportions of the original image are maintained.
If the Width and height are the same, Sunrise will validate that the image should be a Square.
Its important the the permissions and image folder are set correct in the IIS settings of the site .